Omega Healthcare Investors (OHI) 10-K 22 Feb 21 2020 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2020	Feb. 12, 2021	Jun. 30, 2020
Document and Entity Information [Abstract]
Document Type	10-K
Document Period End Date	Dec. 31, 2020
Document Fiscal Year Focus	2020
Entity Registrant Name	OMEGA HEALTHCARE INVESTORS, INC.
Entity Central Index Key	0000888491
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Document Annual Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	MD
Entity File Number	1-11316
Entity Tax Identification Number	38-3041398
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock Shares Outstanding		231,776,284
Entity Public Float			$ 6,747,008,166
Amendment Flag	false
Document Fiscal Period Focus	FY
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Address, Address Line One	303 International Circle, Suite 200
Entity Address, City or Town	Hunt Valley
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21030
City Area Code	410
Local Phone Number	427-1700
Title of 12(b) Security	Common Stock
Trading Symbol	OHI
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
ICFR Auditor Attestation Flag	true

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Real estate properties
Real estate investments	$ 8,702,154	$ 8,985,994
Less accumulated depreciation	(1,996,914)	(1,787,425)
Real estate investments - net	6,705,240	7,198,569
Investments in direct financing leases - net	10,764	11,488
Mortgage notes receivable - net	885,313	773,563
Total	7,601,317	7,983,620
Other investments - net	467,442	419,228
Investments in unconsolidated joint ventures	200,638	199,884
Assets held for sale - net	81,452	4,922
Total investments	8,350,849	8,607,654
Cash and cash equivalents	163,535	24,117
Restricted cash	4,023	9,263
Contractual receivables - net	10,408	27,122
Other receivables and lease inducements	234,666	381,091
Goodwill	651,737	644,415
Other assets	82,231	102,462
Total assets	9,497,449	9,796,124
LIABILITIES AND EQUITY
Revolving line of credit	101,158	125,000
Term loans - net	186,349	804,738
Secured borrowings	369,524	389,680
Senior notes and other unsecured borrowings - net	4,512,221	3,816,722
Accrued expenses and other liabilities	280,824	312,040
Deferred income taxes	10,766	11,350
Total liabilities	5,460,842	5,459,530
Equity:
Preferred stock $1.00 par value authorized - 20,000 shares, issued and outstanding - none
Common stock $.10 par value authorized - 350,000 shares, issued and outstanding - 231,199 shares as of December 31, 2020 and 226,631 as of December 31, 2019	23,119	22,663
Common stock - additional paid-in capital	6,152,887	5,992,733
Cumulative net earnings	2,594,735	2,463,436
Cumulative dividends paid	(4,916,097)	(4,303,546)
Accumulated other comprehensive loss	(12,768)	(39,858)
Total stockholders' equity	3,841,876	4,135,428
Noncontrolling interest	194,731	201,166
Total equity	4,036,607	4,336,594
Total liabilities and equity	$ 9,497,449	$ 9,796,124

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Statement Of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	350,000,000	350,000,000
Common stock, shares issued	231,199,000	226,631,000
Common stock, shares outstanding	231,199,000	226,631,000

CONSOLIDATED STATEMENTS OF OPER

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue
Rental income	$ 753,427	$ 804,076	$ 767,340
Income from direct financing leases	1,033	1,036	1,636
Mortgage interest income	89,422	76,542	70,312
Other investment income	44,864	43,400	40,228
Miscellaneous income	3,635	3,776	2,166
Total revenues	892,381	928,830	881,682
Expenses
Depreciation and amortization	329,924	301,683	281,279
General and administrative	59,889	57,869	63,508
Real estate taxes	12,316	14,933
Acquisition, merger and transition related costs	2,018	5,115	383
Impairment on real estate properties	72,494	45,264	29,839
(Recovery) impairment loss on direct financing leases	(3,079)	7,917	27,168
Provision for credit losses	37,997		6,689
Interest expense	223,389	208,715	201,422
Total expenses	734,948	641,496	610,288
Other income (expense)
Other (expense) income - net	(879)	814	345
Loss on debt extinguishment	(13,340)
Gain on assets sold - net	19,113	55,696	24,774
Total other income	4,894	56,510	25,119
Income before income tax expense and income from unconsolidated joint ventures	162,327	343,844	296,513
Income tax expense	(4,925)	(2,844)	(3,010)
Income from unconsolidated joint ventures	6,143	10,947	381
Net income	163,545	351,947	293,884
Net income attributable to noncontrolling interest	(4,218)	(10,824)	(12,306)
Net income available to common stockholders	$ 159,327	$ 341,123	$ 281,578
Basic:
Net income available to common stockholders	$ 0.70	$ 1.60	$ 1.41
Diluted:
Net income	$ 0.70	$ 1.58	$ 1.40

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive (Loss) Income [Abstract]
Net income	$ 163,545	$ 351,947	$ 293,884
Other comprehensive income (loss):
Foreign currency translation	7,762	8,114	(14,532)
Cash flow hedges	20,087	(6,363)	2,531
Total other comprehensive income (loss)	27,849	1,751	(12,001)
Comprehensive income	191,394	353,698	281,883
Comprehensive income attributable to noncontrolling interest	(4,977)	(10,781)	(11,807)
Comprehensive income attributable to common stockholders	$ 186,417	$ 342,917	$ 270,076

CONSOLIDATED STATEMENTS OF CHAN

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total Stockholders' Equity [Member]Cumulative Effect, Period of Adoption, Adjustment [Member]	Total Stockholders' Equity [Member]Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Total Stockholders' Equity [Member]	Common StockCumulative Effect, Period of Adoption, Adjusted Balance [Member]	Common Stock	Additional Paid-in CapitalCumulative Effect, Period of Adoption, Adjusted Balance [Member]	Additional Paid-in Capital	Cumulative Net EarningsCumulative Effect, Period of Adoption, Adjustment [Member]	Cumulative Net EarningsCumulative Effect, Period of Adoption, Adjusted Balance [Member]	Cumulative Net Earnings	Cumulative DividendsCumulative Effect, Period of Adoption, Adjusted Balance [Member]	Cumulative Dividends	Accumulated Other Comprehensive LossCumulative Effect, Period of Adoption, Adjusted Balance [Member]	Accumulated Other Comprehensive Loss	Noncontrolling InterestCumulative Effect, Period of Adoption, Adjustment [Member]	Noncontrolling InterestCumulative Effect, Period of Adoption, Adjusted Balance [Member]	Noncontrolling Interest	Cumulative Effect, Period of Adoption, Adjustment [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Total
Beginning balance at Dec. 31, 2017	$ 9,577	$ 3,564,668	$ 3,555,091	$ 19,831	$ 19,831	$ 4,936,302	$ 4,936,302	$ 9,577	$ 1,848,933	$ 1,839,356	$ (3,210,248)	$ (3,210,248)	$ (30,150)	$ (30,150)	$ 423	$ 333,590	$ 333,167	$ 10,000	$ 3,898,258	$ 3,888,258
Increase (Decrease) In Stockholders' Equity [Roll Forward]
Stock related compensation			16,240		7		16,233													16,240
Vesting/exercising of equity compensation plan, net of tax withholdings			(1,654)		9		(1,663)													(1,654)
Dividend reinvestment plan			46,801		155		46,646													46,801
Equity Shelf Program			75,532		228		75,304													75,532
Common dividends declared			(528,949)									(528,949)								(528,949)
Conversion and redemption of Omega OP Units to common stock			1,727		5		1,722													1,727
Redemption of Omega OP Units to common stock																	(1,861)			(1,861)
Omega OP Units distributions																	(23,493)			(23,493)
Comprehensive income:
Foreign currency translation			(13,924)											(13,924)			(608)			(14,532)
Cash flow hedges			2,422											2,422			109			2,531
Net income			281,578							281,578							12,306			293,884
Total comprehensive income																				281,883
Balance , ending at Dec. 31, 2018	(8,198)		3,444,441		20,235		5,074,544	(8,198)		2,130,511		(3,739,197)		(41,652)	(292)		320,043	(8,490)		3,764,484
Increase (Decrease) In Stockholders' Equity [Roll Forward]
Stock related compensation			15,093		2		15,091													15,093
Vesting/exercising of equity compensation plan, net of tax withholdings			(4,318)		15		(4,333)													(4,318)
Dividend reinvestment plan			115,051		304		114,747													115,051
Equity Shelf Program			108,996		313		108,683													108,996
Issuance of common stock			577,495		1,498		575,997													577,495
Common dividends declared			(564,349)									(564,349)								(564,349)
Vesting/exercising of Omega OP Units			(6,648)				(6,648)										6,648
Conversion and redemption of Omega OP Units to common stock			114,948		296		114,652										(114,948)
Omega OP Units distributions																	(21,294)			(21,294)
Noncontrolling interest - consolidated joint venture																	228			228
Comprehensive income:
Foreign currency translation			7,931											7,931			183			8,114
Cash flow hedges			(6,137)											(6,137)			(226)			(6,363)
Net income			341,123							341,123							10,824			351,947
Total comprehensive income																				353,698
Balance , ending at Dec. 31, 2019	$ (28,028)	$ 4,107,400	4,135,428	$ 22,663	22,663	$ 5,992,733	5,992,733	$ (28,028)	$ 2,435,408	2,463,436	$ (4,303,546)	(4,303,546)	$ (39,858)	(39,858)	$ (757)	$ 200,409	201,166	$ (28,785)	$ 4,307,809	4,336,594
Increase (Decrease) In Stockholders' Equity [Roll Forward]
Stock related compensation			19,064		3		19,061													19,064
Vesting/exercising of equity compensation plan, net of tax withholdings			(4,669)		17		(4,686)													(4,669)
Dividend reinvestment plan			3,747		9		3,738													3,747
Equity Shelf Program			152,783		423		152,360													152,783
Common dividends declared			(612,551)									(612,551)								(612,551)
Vesting/exercising of Omega OP Units			(11,551)				(11,551)										11,551
Conversion and redemption of Omega OP Units to common stock			1,236		4		1,232										(1,236)
Omega OP Units distributions																	(20,970)			(20,970)
Comprehensive income:
Foreign currency translation			7,540											7,540			222			7,762
Cash flow hedges			19,550											19,550			537			20,087
Net income			159,327							159,327							4,218			163,545
Total comprehensive income																				191,394
Balance , ending at Dec. 31, 2020			$ 3,841,876		$ 23,119		$ 6,152,887			$ 2,594,735		$ (4,916,097)		$ (12,768)			$ 194,731			$ 4,036,607

CONSOLIDATED STATEMENTS OF CH_2

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Increase (Decrease) In Stockholders' Equity [Roll Forward]
Dividend per Common Share	$ 2.68	$ 2.65	$ 2.64

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities
Net income	$ 163,545	$ 351,947	$ 293,884
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	329,924	301,683	281,279
Impairment on real estate properties	75,972	48,939	35,014
(Recovery) impairment loss on direct financing leases	(3,079)	7,917	27,168
Provision for rental income	146,608	11,120
Provision for credit losses	37,997		6,689
Amortization of deferred financing costs and loss on debt extinguishment	11,608	9,564	8,960
Accretion of direct financing leases	30	13	109
Stock-based compensation expense	18,822	15,359	15,987
Gain on assets sold - net	(19,113)	(55,696)	(24,774)
Amortization of acquired in-place leases - net	(14,187)	(5,904)	(10,707)
Effective yield receivable on mortgage notes	(719)	(173)	(1,068)
Interest paid-in-kind	(7,718)	(7,160)	(6,360)
(Income) loss from unconsolidated joint ventures	(1,315)	22
Change in operating assets and liabilities - net:
Contractual receivables	5,709	(5,931)	2,368
Straight-line rent receivables	(28,968)	(46,580)	(61,559)
Lease inducements	(22,443)	(42,071)	(32,738)
Other operating assets and liabilities	15,583	(29,302)	(34,879)
Net cash provided by operating activities	708,256	553,747	499,373
Cash flows from investing activities
Acquisition of a business, net of cash acquired	(5,058)	(59,616)
Acquisition of real estate	(105,663)	(377,841)	(105,119)
Acquisition deposit	(2,500)
Net proceeds from sale of real estate investments	180,851	219,262	309,586
Investments in construction in progress	(75,111)	(139,678)	(139,441)
Proceeds from direct financing lease and related trust	15,414	93,730	20,979
Placement of mortgage loans	(62,432)	(20,702)	(65,340)
Collection of mortgage principal	9,867	54,529	26,088
Investments in unconsolidated joint ventures	(2,471)	(103,963)
Distributions from unconsolidated joint ventures in excess of earnings	6,291	9,079	5,471
Capital improvements to real estate investments	(31,072)	(52,892)	(29,824)
Receipts from insurance proceeds	897	8,170	8,717
Investments in other investments	(167,936)	(100,312)	(385,707)
Proceeds from other investments	149,866	91,281	181,371
Net cash used in investing activities	(89,057)	(378,953)	(173,219)
Cash flows from financing activities
Proceeds from credit facility borrowings	1,164,466	1,507,000	1,291,000
Payments on credit facility borrowings	(1,193,000)	(1,980,100)	(1,268,000)
Receipts of other long-term borrowings	687,743	494,985
Payments of other long-term borrowings	(645,155)	(101,222)	(2,049)
Payments of financing related costs	(18,183)	(4,787)	(8)
Receipts from dividend reinvestment plan	3,747	115,051	46,801
Payments for exercised options and restricted stock	(4,669)	(4,556)	(1,654)
Net proceeds from issuance of common stock	152,783	404,863	75,532
Dividends paid	(612,310)	(564,127)	(528,696)
Noncontrolling members' contributions to consolidated joint venture		228
Redemption of Omega OP Units			(134)
Distributions to Omega OP Unit Holders	(20,970)	(21,294)	(23,493)
Net cash used in financing activities	(485,548)	(153,959)	(410,701)
Effect of foreign currency translation on cash, cash equivalents and restricted cash	527	874	(590)
Increase (decrease) in cash, cash equivalents and restricted cash	134,178	21,709	(85,137)
Cash, cash equivalents and restricted cash at beginning of year	33,380	11,671	96,808
Cash, cash equivalents and restricted cash at end of year	$ 167,558	$ 33,380	$ 11,671

ORGANIZATION AND BASIS OF PRESE

ORGANIZATION AND BASIS OF PRESENTATION	12 Months Ended
	Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
ORGANIZATION AND BASIS OF PRESENTATION	NOTE 1 - ORGANIZATION AND BASIS OF PRESENTATION Organization Omega Healthcare Investors, Inc. (“Omega”) was incorporated in the State of Maryland on March 31, 1992 and has elected to be taxed as a real estate investment trust (“REIT”) for federal income tax purposes. Omega is structured as an umbrella partnership REIT (“UPREIT”) under which all of Omega's assets are owned directly or indirectly by, and all of Omega's operations are conducted directly or indirectly through, its operating partnership subsidiary, OHI Healthcare Properties Limited Partnership, a Delaware limited partnership (“Omega OP”). Unless stated otherwise or the context otherwise requires, the terms “Omega”, the “Company,” “we,” “our” and “us” refer to Omega Healthcare Investors, Inc. and its consolidated subsidiaries, including Omega OP, references to Parent refer to Omega Healthcare Investors, Inc. without regard to its consolidated subsidiaries, and references to “Omega OP” mean OHI Healthcare Properties Limited Partnership and its consolidated subsidiaries. Omega has one reportable segment consisting of investments in healthcare-related real estate properties located in the United States (“U.S.”) and the United Kingdom (“U.K.”). Our core business is to provide financing and capital to the long-term healthcare industry with a particular focus on skilled nursing facilities (“SNFs”), assisted living facilities (“ALFs”), and to a lesser extent, independent living facilities (“ILFs”), rehabilitation and acute care facilities (“specialty facilities”) and medical office buildings (“MOBs”). Our core portfolio consists of long-term leases and mortgage agreements. All of our leases to our operators are “triple-net” leases, which require the operators (we use the term “operator” to refer to our tenants and mortgagors and their affiliates who manage and/or operate our properties) to pay all property-related expenses. Our mortgage revenue derives from fixed rate mortgage loans, which are secured by first mortgage liens on the underlying real estate and personal property of the mortgagor. Our other investment income derives from fixed and variable rate loans to our operators and/or their principals to fund working capital and capital expenditures. These loans, which may be either unsecured or secured by the collateral of the borrower, are classified as other investments. ​ Omega has exclusive control over Omega OP’s day-to-day management pursuant to the partnership agreement governing Omega OP. As of December 31, 2020, Parent owned approximately 97% of the issued and outstanding units of partnership interest in Omega OP (“Omega OP Units”), and other investors owned approximately 3% of the outstanding Omega OP Units. Consolidation Omega’s consolidated financial statements include the accounts of (i) Parent, (ii) Omega OP, (iii) all direct and indirect wholly owned subsidiaries of Omega and (iv) other entities in which Omega or Omega OP has a majority voting interest and control. All intercompany transactions and balances have been eliminated in consolidation, and Omega’s net earnings are reduced by the portion of net earnings attributable to noncontrolling interests.

SUMMARY OF SIGNIFICANT ACCOUNTI

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	12 Months Ended
	Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	NOTE 2 – SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Accounting Estimates The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Fair Value Measurement The Company measures and discloses the fair value of nonfinancial and financial assets and liabilities utilizing a hierarchy of valuation techniques based on whether the inputs to a fair value measurement are considered to be observable or unobservable in a marketplace. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. This hierarchy requires the use of observable market data when available. These inputs have created the following fair value hierarchy: ● Level 1 - quoted prices for identical instruments in active markets; ● Level 2 - quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which significant inputs and significant value drivers are observable in active markets; and ● Level 3 - fair value measurements derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable. The Company measures fair value using a set of standardized procedures that are outlined herein for all assets and liabilities which are required to be measured at fair value. When available, the Company utilizes quoted market prices from an independent third-party source to determine fair value and classifies such items in Level 1. In some instances where a market price is available, but the instrument is in an inactive or over-the-counter market, the Company consistently applies the dealer (market maker) pricing estimate and classifies such items in Level 2. If quoted market prices or inputs are not available, fair value measurements are based upon valuation models that utilize current market or independently sourced market inputs, such as interest rates, option volatilities, credit spreads and/or market capitalization rates. Items valued using such internally-generated valuation techniques are classified according to the lowest level input that is significant to the fair value measurement. As a result, these items could be classified in either Level 2 or Level 3 even though there may be some significant inputs that are readily observable. Internal fair value models and techniques used by the Company include discounted cash flow and Monte Carlo valuation models. Risks and Uncertainties The Company is subject to certain risks and uncertainties affecting the healthcare industry, including those stemming from the novel coronavirus (“COVID-19”) global pandemic described below, which has disproportionately impacted the senior care sector, as well as, those stemming from healthcare legislation and changing regulation by federal, state and local governments, including those driven by the COVID-19 pandemic. Additionally, we are subject to risks and uncertainties as a result of changes affecting operators of nursing home facilities due to the actions of governmental agencies and insurers to limit the rising cost of healthcare services. In addition to experiencing outbreaks of positive cases and deaths of residents and employees during the pandemic, our operators have been required to adapt their operations rapidly throughout the pandemic to manage the spread of the COVID-19 virus as well as the implementation of new treatments and vaccines, and to implement new requirements relating to infection control, personal protective equipment (“PPE”), quality of care, visitation protocols, staffing levels, and reporting, among other regulations, throughout the pandemic. While we expect the approval of multiple vaccines for COVID-19 to reduce the spread and impact of the virus, particularly with respect to residents in our facilities given the prioritization of these populations in receiving the vaccines, there remain risks associated with the speed, distribution, and delivery of the vaccine in our facilities, as well as participation levels in vaccination programs among the residents and employees of our operators. In addition to the risks associated with managing the spread of the virus, delivery of the vaccines and care of their patients and residents, many of our operators reported incurring significant cost increases as a result of the COVID-19 pandemic, with dramatic increases for facilities with positive cases. We believe these increases primarily stem from elevated labor costs, including increased use of overtime and bonus pay, as well as a significant increase in both the cost and usage of PPE, testing equipment and processes and supplies, as well as implementation of new infection control protocols and vaccination programs. In addition, many of our operators have reported experiencing declines, in some cases that are material, in occupancy levels as a result of the pandemic. We believe these declines may be in part due to COVID-19 related fatalities at our facilities, the delay of SNF placement and/or utilization of alternative care settings for those with lower level of care needs, the suspension and/or postponement of elective hospital procedures, fewer discharges from hospitals to SNFs and higher hospital readmittances from SNFs. ​ While substantial government support, primarily through the federal CARES Act in the U.S. and distribution of PPE, vaccines and testing equipment by the federal government, has been allocated to SNFs and to a lesser extent to ALFs, further government support will likely be needed to continue to offset these impacts and it is unclear whether and to what extent such government support has been and will continue to be sufficient and timely to offset these impacts. Further, to the extent these impacts continue or accelerate and are not offset by additional government relief that is sufficient and timely, the operating results of our operators are likely to be adversely affected, some may be unwilling or unable to pay their contractual obligations to us in full or on a timely basis and we may be unable to restructure such obligations on terms as favorable to us as those currently in place. Even if operators are able to avail themselves of government relief to offset some of these costs, they may face challenges in complying with the terms and conditions of government support and may face longer-term adverse impacts to their personnel and business operations from the COVID-19 pandemic, including potential patient litigation and decreased demand for their services, loss of business due to an interruption in their operations, or other liabilities related to gathering restrictions, quarantines, reopening plans, vaccine distribution or delivery, spread of infection or other related factors. ​ The extent of the COVID-19 pandemic’s effect on our and our operators’ operational and financial performance will depend on future developments, including the ability to control the spread of the outbreak generally and in our facilities and the delivery of and participation in vaccination programs and other treatments for COVID-19, government funds and other support for the senior care sector and the efficacy of other policies and measures that may mitigate the impact of the pandemic, all of which are uncertain and difficult to predict. Due to these uncertainties, we are not able at this time to estimate the effect of these factors on our business, but the adverse impact on our business, results of operations, financial condition and cash flows could be material. ​ Business Combinations We record the purchase of properties to net tangible and identified intangible assets acquired and liabilities assumed at fair value. Transaction costs are expensed as incurred as part of a business combination. In making estimates of fair value for purposes of recording the purchase, we utilize a number of sources, including independent appraisals that may be obtained in connection with the acquisition or financing of the respective property and other market data. We also consider information obtained about each property as a result of our pre-acquisition due diligence, marketing and leasing activities as well as other critical valuation metrics such as current capitalization rates and discount rates used to estimate the fair value of the tangible and intangible assets acquired (Level 3). When liabilities are assumed as part of a transaction, we consider information obtained about the liabilities and use similar valuation metrics (Level 3). In some instances when debt is assumed and an identifiable active market for similar debt is present, we use market interest rates for similar debt to estimate the fair value of the debt assumed (Level 2). The Company determines fair value as follows: ● Land is determined based on third party appraisals which typically include market comparables. ● Buildings and site improvements acquired are valued using a combination of discounted cash flow projections that assume certain future revenues and costs and consider capitalization and discount rates using current market conditions as well as the residual approach. ● Furniture and fixtures are determined based on third party appraisals which typically utilize a replacement cost approach. ● Mortgages and other investments are valued using a discounted cash flow analysis, using interest rates being offered for similar loans to borrowers with similar credit ratings. ● Investments in joint ventures are valued based on the fair value of the joint ventures’ assets and liabilities. Differences, if any, between the Company’s basis and the joint venture’s basis are generally amortized over the lives of the related assets and liabilities, and such amortization is included in the Company’s share of earnings of the joint venture. ● Intangible assets and liabilities acquired are valued using a combination of discounted cash flow projections as well as other valuation techniques based on current market conditions for the intangible asset or liability being acquired. When evaluating below market leases we consider extension options controlled by the lessee in our evaluation. ● Other assets acquired and liabilities assumed are typically valued at stated amounts, which approximate fair value on the date of the acquisition. ● Assumed debt balances are valued by discounting the remaining contractual cash flows using a current market rate of interest. ● Noncontrolling interests are valued using a stock price on the acquisition date. ● Goodwill represents the purchase price in excess of the fair value of assets acquired and liabilities assumed. Goodwill is not amortized. ​ Asset Acquisitions For asset acquisitions, assets acquired and liabilities assumed are recognized by allocating the cost of the acquisition, including transaction costs, to the individual assets acquired and liabilities assumed on a relative fair value basis. The fair value of the assets acquired and liabilities assumed in an asset acquisition are determined in a consistent manner with the immediately preceding “Business Combinations” section. Variable Interest Entities GAAP requires us to identify entities for which control is achieved through means other than voting rights and to determine which business enterprise, if any, is the primary beneficiary of variable interest entities (“VIEs”). A VIE is broadly defined as an entity with one or more of the following characteristics: (a) the total equity investment at risk is insufficient to finance the entity’s activities without additional subordinated financial support; (b) as a group, the holders of the equity investment at risk lack (i) the ability to make decisions about the entity’s activities through voting or similar rights, (ii) the obligation to absorb the expected losses of the entity, or (iii) the right to receive the expected residual returns of the entity; or (c) the equity investors have voting rights that are not proportional to their economic interests, and substantially all of the entity’s activities either involve, or are conducted on behalf of, an investor that has disproportionately few voting rights. We may change our original assessment of a VIE upon subsequent events such as the modification of contractual arrangements that affects the characteristics or adequacy of the entity’s equity investments at risk and the disposition of all or a portion of an interest held by the primary beneficiary. Our variable interests in VIEs may be in the form of equity ownership, leases, guarantees and/or loans with our operators. We analyze our agreements and investments to determine whether our operators or unconsolidated joint ventures are VIEs and, if so, whether we are the primary beneficiary. We consolidate a VIE when we determine that we are its primary beneficiary. We identify the primary beneficiary of a VIE as the enterprise that has both: (i) the power to direct the activities of the VIE that most significantly impact the entity’s economic performance; and (ii) the obligation to absorb losses or the right to receive benefits of the VIE that could be significant to the entity. Factors considered in determining whether we are the primary beneficiary of an entity include: (i) our voting rights, if any; (ii) our involvement in day-to-day capital and operating decisions; (iii) our risk and reward sharing; (iv) the financial condition of the operator or joint venture and (iv) our representation on the VIE’s board of directors. We perform this analysis on an ongoing basis. As of December 31, 2020, we have not consolidated any VIEs, as we do not have the power to direct the activities of any VIEs that most significantly impact their economic performance and we do not have the obligation to absorb losses or receive benefits of the VIEs that could be significant to the entities. Real Estate Investments and Depreciation The costs of significant improvements, renovations and replacements, including interest are capitalized. In addition, we capitalize leasehold improvements when certain criteria are met, including when we supervise construction and will own the improvement. Expenditures for maintenance and repairs are charged to operations as they are incurred. Depreciation is computed on a straight-line basis over the estimated useful lives ranging from 20 to 40 years for buildings, eight three Assets Held for Sale We consider properties to be assets held for sale when (1) management commits to a plan to sell the property; (2) it is unlikely that the disposal plan will be significantly modified or discontinued; (3) the property is available for immediate sale in its present condition; (4) actions required to complete the sale of the property have been initiated; (5) sale of the property is probable and we expect the completed sale will occur within one year; and (6) the property is actively being marketed for sale at a price that is reasonable given our estimate of current market value. Upon designation of a property as an asset held for sale, we record the property’s value at the lower of its carrying value or its estimated fair value, less estimated costs to sell, and we cease depreciation. Real Estate Investment Impairment Management evaluates our real estate investments for impairment indicators at each reporting period, including the evaluation of our assets’ useful lives. The judgment regarding the existence of impairment indicators is based on factors such as, but not limited to, market conditions, operator performance including the current payment status of contractual obligations and expectations of the ability to meet future contractual obligations, legal structure, as well as our intent with respect to holding or disposing of the asset. If indicators of impairment are present, management evaluates the carrying value of the related real estate investments in relation to management’s estimate of future undiscounted cash flows of the underlying facilities. The estimated future undiscounted cash flows are generally based on the related lease which relates to one or more properties and may include cash flows from the eventual disposition of the asset. In some instances, there may be various potential outcomes for a real estate investment and its potential future cash flows. In these instances, the undiscounted future cash flows used to assess the recoverability of the assets are probability-weighted based on management’s best estimates as of the date of evaluation. Provisions for impairment losses related to long-lived assets are recognized when expected future undiscounted cash flows based on our intended use of the property are determined to be less than the carrying values of the assets. An adjustment is made to the net carrying value of the real estate investments for the excess of carrying value over fair value. The fair value of the real estate investment is determined based on current market conditions and consider matters such as rental rates and occupancies for comparable properties, recent sales data for comparable properties, and, where applicable, contracts or the results of negotiations with purchasers or prospective purchasers. Additionally, our evaluation of fair value may consider valuing the property as a nursing home or other healthcare facility as well as alternative uses. All impairments are taken as a period cost at that time, and depreciation is adjusted going forward to reflect the new value assigned to the asset. Management’s impairment evaluation process, and when applicable, impairment calculations involve estimation of the future cash flows from management’s intended use of the property as well as the fair value of the property. Changes in the facts and circumstances that drive management’s assumptions may result in an impairment to our assets in a future period that could be material to our results of operations. Lease Accounting On January 1, 2019, we adopted Accounting Standards Codification (“ASC”) 842, Leases Upon adoption of Topic 842, we applied the package of practical expedients that allowed us to not reassess (i) whether any expired or existing contracts are or contain leases, (ii) lease classification for any expired or existing leases and (iii) initial direct costs for any expired or existing leases. Furthermore, we applied the optional transition method, which allowed us to initially apply Topic 842 at the adoption date and recognize a cumulative effect adjustment to the opening balance of equity in the period of adoption. During the year ended December 31, 2019, we made an adjustment of approximately $8.5 million to the equity balance to reflect our assessment of the collectibility of certain operator’s future contractual lease payments based on the facts and circumstances that existed as of January 1, 2019. In addition, we recorded total initial non-cash right of use assets and lease liabilities ​ Lessor Accounting Topic 842 requires lessors to account for leases using an approach that is substantially equivalent to the previous guidance for sales type leases, direct financing leases and operating leases. As a lessor, our leased real estate properties are leased under provisions of single or master leases with initial terms typically ranging from 5 to 15 years, plus renewal options. As of December 31, 2020, we have determined that all but one of our leases should be accounted for as operating leases. One lease is accounted for as a direct financing lease. Under the terms of the leases, the lessee is responsible for all maintenance, repairs, taxes and insurance on the leased properties. For leases accounted for as operating leases, we retain ownership of the asset and record depreciation expense, see “Business Combinations”, “Asset Acquisitions” and “Real Estate Investments and Depreciation” above for additional information regarding our investment in real estate leased under operating lease agreements. For leases accounted for as direct financing leases, we record the present value of the future minimum lease payments (utilizing a constant interest rate over the term of the lease agreement) as a receivable and record interest income based on the contractual terms of the lease agreement. Certain direct financing leases include annual rent escalators, see “Lessor Accounting for Direct Financing Lease Income” below for further discussion regarding the recording of interest income on our direct financing leases. Lessor Accounting for Rental Income Substantially all of our operating leases contain provisions for specified annual increases over the rents of the prior year and are generally computed in one of three methods depending on the specific provisions of each lease as follows: (i) a specific annual increase over the prior year’s rent, generally between 2.0% and 3.0%; (ii) an increase based on the change in pre-determined formulas from year to year (e.g., increases in the Consumer Price Index); or (iii) specific dollar increases over prior years. Rental income from operating leases is generally recognized on a straight-line basis over the lease term when we have determined that the collectibility of substantially all of the lease payments is probable. We assess the probability of collecting substantially all payments due under our leases on several factors, including, among other things, payment history, the financial strength of the lessee and/or borrower and any guarantors, historical operations and operating trends, current and future economic conditions, and expectations of performance (which includes known substantial doubt about an operator’s ability to continue as a going concern). If our evaluation of these factors indicates it is probable that we will be unable to collect substantially all rents, we recognize a charge to rental income and limit our rental income to the lesser of lease income on a straight-line basis plus variable rents when they become accruable or cash collected. If we change our conclusion regarding the probability of collecting rent payments required by a lessee, we may recognize an adjustment to rental income in the period we make a change to our prior conclusion, potentially resulting in increased volatility of rental income. Provisions for uncollectible lease payments are recognized as a direct reduction to rental income. Prior to our adoption of Topic 842, provisions for uncollectible lease payments were recorded in provision for uncollectible accounts on our Consolidated Statements of Operations and were not reclassified to conform to the current period presentation. Some of our leases have options to extend, terminate or purchase the facilities, which are considered when determining the lease term. We do not include in our measurement of our lease receivables certain variable payments, including changes in an index until the specific events that trigger the variable payments have occurred. Certain of our operating leases require the operators to reimburse us for property taxes and other expenditures that are not considered components of the lease and therefore no consideration is allocated to them as they do not result in the transfer of a good or service to the operators. We have determined that all of our leases qualify for the practical We have elected to exclude sales and other similar taxes from the measurement of lease revenue and expense. Lessor Accounting for Real Estate Sales ​ On January 1, 2018, we adopted ASC 606, Revenue from Contracts with Customers Lessee Accounting ​ Topic 842 requires a lessee to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase of the leased asset by the lessee. This classification will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. As a lessee, the Company is party to ground and/or facility leases which are classified as operating leases. Substantially all of our operating leases contain provisions for specified annual increases over the rents of the prior year and are generally computed in one of three methods depending on the specific provisions of each lease as follows: (i) a specific annual increase over the prior year’s rent, generally between 1.0% and 3.0%; (ii) an increase based on the change in pre-determined formulas from year to year (e.g., increases in the Consumer Price Index); or (iii) specific dollar increases over prior years. The initial terms of our ground leases range between 10 years and 100 years. Our office leases have initial terms of approximately 10 years. Certain leases have options to extend terminate On a monthly basis, we remeasure our lease liabilities at the present value of the future lease payments using the discount rate determined at lease commencement. Rental expense from operating leases is generally recognized on a straight-line basis over the lease term. We do not include in our measurement of our lease liability certain variable payments, including changes in an index until the specific events that trigger the variable payments have occurred. As a lessee, certain of our operating leases contain non-lease components, such as our proportionate share of common area expenses. We have determined that all of our operating leases qualify for the practical expedient Upon adoption of Topic 842, we began recording on a straight-line basis rental income and ground lease expense for those assets we lease and are reimbursed by our operators and/or are paid for directly by our operators. In-Place Leases In-place lease assets and liabilities result when we assume a lease as part of an asset acquisition or business combination. The fair value of in-place leases consists of the following components, as applicable (1) the estimated cost to replace the leases and (2) the above or below market cash flow of the leases, determined by comparing the projected cash flows of the leases in place at the time of acquisition to projected cash flows of comparable market-rate leases. Above market leases, net of accumulated amortization, are included in other assets on our Consolidated Balance Sheets. Below market leases, net of accumulated amortization, are included in accrued expenses and other liabilities on our Consolidated Balance Sheets. The net amortization related to the above and below market leases is included in our Consolidated Statements of Operations as an adjustment to rental income over the estimated remaining term of the underlying leases. Should a tenant terminate the lease, the unamortized portion of the lease intangible is recognized immediately as an adjustment to rental income. Mortgages, Other Investments and Direct Financing Leases (collectively, our “loans”) and Allowance for Credit Losses Mortgage Interest Income and Other Investment Income Mortgage interest income and other investment income is recognized as earned over the terms of the related mortgage notes or other investment. Interest income is recorded on an accrual basis to the extent that such amounts are expected to be collected using the effective interest method. In applying the effective interest method, the effective yield on a loan is determined based on its contractual payment terms, adjusted for prepayment terms. Lessor Accounting for Direct Financing Lease Income We record direct financing lease income on a constant interest rate basis over the term of the lease. Costs related to originating direct financing leases are deferred and amortized on a straight-line basis as a reduction to income from direct financing leases over the term of the direct financing leases. Allowance for Credit Losses In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses The allowance for credit losses on loans is measured using relevant information about past events, including historical credit loss experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the remaining cash flows over the contractual term of the loans. Changes to the allowance for credit losses on loans resulting from quarterly evaluations are recorded through provision for credit losses on the Consolidated Statements of Operations. The Company’s unfunded lending commitments are calculated using the same as the methodology for the loans over the contractual term of the commitment. The loss estimate is recorded in accrued expenses and other liabilities on the Consolidated Balance Sheets with quarterly changes to the liability recorded through provision for credit losses on the Consolidated Statements of Operations. ASU 2016-13 specifically excludes from its scope receivables arising from operating leases accounted for under Topic 842. We adopted ASU 2016-13 on January 1, 2020 using the modified retrospective approach and we recorded an initial $28.8 million allowance for expected credit losses with a corresponding adjustment to equity. Transition Impact of Adopting Topic 326 ​ ​ ​ ​ ​ ​ ​ ​ ​ Pre-adoption balance as of ​ Impact of adopting ​ Post-adoption balance as of Financial Statement Line Item ​ December 31, 2019 ​ Topic 326 ​ January 1, 2020 ​ ​ (in thousands) Mortgage Notes Receivable $ 773,563 $ (21,386) $ 752,177 Investment in Direct Financing Leases ​ 11,488 ​ (611) ​ 10,877 Other Investments ​ 419,228 ​ (6,688) ​ 412,540 Off-Balance Sheet Commitments ​ 20,777 ​ (100) ​ 20,677 Total $ 1,225,056 $ (28,785) $ 1,196,271 ​ We elected to disaggregate our financial assets within the scope of Topic 326 based on the type of financial instrument. These segments were further disaggregated based on our internal credit ratings. We assess our internal credit ratings on a quarterly basis. Our internal credit ratings consider several factors including the collateral and/or security, the performance of borrowers underlying facilities, if applicable, available credit support (e.g., guarantees), borrowings with third parties, and other ancillary business ventures and real estate operations of the borrower. Our internal ratings range between 1 and 7. An internal rating of 1 reflects the lowest likelihood of loss and a 7 reflects the highest likelihood of loss. Amortized Cost Basis By Year of Origination and Credit Quality Indicator ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Rating Financial Statement Line Item 2020 2019 2018 2017 2016 2015 2014 & older Revolving Loans ​ Balance as of December 31, 2020 ​ ​ (in thousands) 1 Mortgage Notes Receivable $ - $ - $ - $ - $ - $ 67,012 $ - $ - ​ $ 67,012 2 Mortgage Notes Receivable ​ 43,150 ​ - ​ - ​ - ​ - ​ - ​ - ​ - ​ ​ 43,150 3 Mortgage Notes Receivable ​ - ​ - ​ - ​ - ​ - ​ - ​ 35,964 ​ - ​ ​ 35,964 4 Mortgage Notes Receivable ​ 89,006 ​ 17,383 ​ 44,426 ​ 46,474 ​ 37,076 ​ 9,561 ​ 495,438 ​ - ​ ​ 739,364 5 Mortgage Notes Receivable ​ - ​ - ​ 19,000 ​ - ​ - ​ - ​ 7,691 ​ - ​ ​ 26,691 6 Mortgage Notes Receivable ​ - ​ - ​ - ​ - ​ - ​ - ​ 6,377 ​ - ​ ​ 6,377 ​ Sub-total ​ 132,156 ​ 17,383 ​ 63,426 ​ 46,474 ​ 37,076 ​ 76,573 ​ 545,470 ​ - ​ ​ 918,558 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 3 Investment in Direct Financing Leases ​ - ​ - ​ - ​ - ​ - ​ 11,458 ​ - ​ - ​ ​ 11,458 ​ Sub-total ​ - ​ - ​ - ​ - ​ - ​ 11,458 ​ - ​ - ​ ​ 11,458 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 1 Other Investments ​ 17,556 ​ - ​ - ​ - ​ - ​ - ​ - ​ - ​ ​ 17,556 2 Other Investments ​ - ​ - ​ - ​ - ​ - ​ 2,082 ​ - ​ 15,265 ​ ​ 17,347 3 Other Investments ​ - ​ 22,442 ​ 31,491 ​ - ​ - ​ 363 ​ 3,756 ​ 161,591 ​ ​ 219,643 4 Other Investments ​ - ​ 12,131 ​ 114,375 ​ - ​ 82,960 ​ - ​ - ​ 5,000 ​ ​ 214,466 5 Other Investments ​ - ​ 22,662 ​ 5,925 ​ - ​ 600 ​ - ​ - ​ 700 ​ ​ 29,887 ​ Sub-total ​ 17,556 ​ 57,235 ​ 151,791 ​ - ​ 83,560 ​ 2,445 ​ 3,756 ​ 182,556 ​ ​ 498,899 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total ​ $ 149,712 $ 74,618 $ 215,217 $ 46,474 $ 120,636 $ 90,476 $ 549,226 $ 182,556 ​ $ 1,428,915 ​ We have a limited history of incurred losses and consequently have elected to employ external data to perform our expected credit loss calculation. We have elected a probability of default (“PD”) and loss given default (“LGD”) methodology. Our model’s historic inputs co

PROPERTIES

PROPERTIES	12 Months Ended
	Dec. 31, 2020
PROPERTIES [Abstract]
PROPERTIES	NOTE 3 – PROPERTIES Leased Property Our leased real estate properties, represented by 737 SNFs, 115 ALFs, 28 specialty facilities and two medical office buildings at December 31, 2020, are leased under provisions of single or master operating leases. Also see Note 4 – Direct Financing Leases for information regarding additional properties accounted for as direct financing leases. A summary of our investment in leased real estate properties is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ Buildings ​ $ 6,961,509 ​ $ 7,056,106 ​ Land ​ 883,765 ​ 901,246 ​ Furniture and equipment ​ 518,664 ​ 515,421 ​ Site improvements ​ 308,087 ​ 287,655 ​ Construction in progress ​ 30,129 ​ 225,566 ​ Total real estate investments ​ 8,702,154 ​ 8,985,994 ​ Less accumulated depreciation ​ (1,996,914) ​ (1,787,425) ​ Real estate investments – net ​ $ 6,705,240 ​ $ 7,198,569 ​ ​ For the years ended December 31, 2020, 2019 and 2018, we capitalized $10.0 million, $13.9 million and $11.1 million, respectively, of interest to our projects under development. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31 ​ ​ 2020 ​ 2019 ​ ​ (in thousands) ​ (in thousands) Rental income – operating leases ​ $ 741,681 ​ $ 792,010 Variable lease income – operating leases ​ ​ 11,746 ​ ​ 12,066 Total lease income ​ $ 753,427 ​ $ 804,076 ​ ​ ​ ​ ​ ​ ​ Real estate tax expense ​ $ 12,316 ​ $ 14,933 General and administrative – ground lease expense ​ ​ 1,448 ​ ​ 1,208 Total ​ $ 13,764 ​ $ 16,141 ​ The following amounts reflect the estimated contractual rents due to us for the remainder of the initial terms of our operating leases as of December 31, 2020: ​ ​ ​ ​ ​ ​ ​ (in thousands) 2021 ​ $ 867,780 2022 ​ ​ 868,976 2023 ​ ​ 863,985 2024 ​ ​ 875,099 2025 ​ ​ 878,956 Thereafter ​ ​ 4,259,773 Total ​ $ 8,614,569 ​ As of December 31, 2020 and 2019, the Company is a lessee under ground and/or facility leases related to 11 SNFs and two offices with annual rent of approximately $2.2 million. 2020 Acquisitions and Other ​ The following table summarizes the significant asset acquisitions that occurred in 2020: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Number of ​ ​ ​ Total ​ Initial ​ ​ Facilities Country/ Investment Annual ​ Period ​ SNF ALF ​ State ​ (in millions) ​ Cash Yield (1) ​ Q1 — 2 U.K. ​ $ 12.1 ​ 8.00 % Q1 ​ 1 — ​ IN ​ ​ 7.0 ​ 9.50 % Q2 ​ 1 — ​ OH ​ ​ 6.9 ​ 9.50 % Q4 ​ 6 1 ​ VA ​ ​ 78.4 ​ 9.50 % Total 8 3 ​ $ 104.4 ​ ​ (1) Initial annual cash yield reflects the initial annual contractual cash rent divided by the purchase price. ​ 2019 Acquisitions and Other The following table summarizes the significant transactions that occurred in 2019: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Number of ​ ​ ​ Total ​ ​ Initial ​ ​ Facilities Country/ Investment Annual ​ Period ​ SNF ALF Specialty MOB ​ State ​ (in millions) ​ ​ Cash Yield (1) ​ Q1 1 — — — OH ​ $ 11.9 (3) 12.00 % Q2 20 1 11 1 CA, CT, IN, NV, SC, TN, TX ​ 440.7 (2) 9.82 % Q2 7 1 3 — PA, VA ​ 131.8 (3) 9.35 % Q3 ​ 3 — — — NC, VA ​ 24.9 ​ 9.50 % Q4 ​ 58 2 — — FL, ID, KY, LA, MS, MO, MT, NC ​ 735.2 ​ 8.71 % Total 89 4 14 1 ​ $ 1,344.5 ​ ​ (1) Initial annual cash yield reflects the initial annual contractual cash rent divided by the purchase price. (2) The acquisition was accounted for as a business combination. The other acquisitions were accounted for as asset acquisitions. (3) Acquired via a deed-in-lieu of foreclosure. ​ Encore Portfolio Acquisition ​ On October 31, 2019, we completed the $757 million portfolio acquisition of 60 facilities (the “Encore Portfolio”). Consideration consisted of approximately $369 million of cash and the assumption of approximately $389 million in mortgage loans guaranteed by HUD. See Note 13 – Borrowing Arrangements for additional information. The following table highlights the fair value of the assets acquired and liabilities assumed on October 31, 2019: ​ ​ ​ ​ ​ ​ ​ (in thousands) Fair value of net assets acquired: ​ ​ ​ Real estate investments ​ $ 735,182 Other investments ​ 600 Contractual receivables ​ ​ 2,216 Cash ​ 227 Other assets ​ 28,173 Total investments ​ ​ 766,398 Secured borrowings ​ ​ (388,627) Accrued expenses and other liabilities ​ ​ (8,978) Fair value of net assets acquired ​ $ 368,793 ​ MedEquities Merger ​ On May 17, 2019, we completed our merger with MedEquities and its subsidiary operating partnership and the general partner of its subsidiary operating partnership. Pursuant to the Agreement and Plan of Merger, as amended by the First Amendment to the Agreement and Plan of Merger, dated March 26, 2019, (the “Merger Agreement”) we acquired MedEquities and MedEquities was merged with and into Omega (the “Merger”) at the effective time of the Merger with Omega continuing as the surviving company. In accordance with the Merger Agreement, each share of MedEquities common stock issued and outstanding immediately prior thereto was converted into the right to receive (i) 0.235 of a share of Omega common stock plus the right to receive cash in lieu of any fractional shares of Omega common stock, and (ii) an amount in cash equal to $2.00 (the “Cash Consideration”). In connection with the MedEquities Merger, we issued approximately 7.5 million shares of Omega common stock and paid approximately $63.7 million of cash consideration to former MedEquities stockholders. We borrowed approximately $350 million under our existing senior unsecured revolving credit facility to fund the cash consideration and the repayment of MedEquities’ previously outstanding debt. As a result of the MedEquities Merger, we acquired 33 facilities subject to operating leases, four mortgages, three other investments and an ​ Our purchase price allocation was finalized during the second quarter of 2020, with no material adjustments recorded. The following table highlights the final fair value of the assets acquired and liabilities assumed on May 17, 2019: ​ ​ ​ ​ ​ ​ ​ (in thousands) Fair value of net assets acquired: ​ ​ ​ Real estate investments ​ $ 440,690 Mortgage notes receivable ​ 108,097 Other investments ​ 19,192 Investment in unconsolidated joint venture ​ 73,834 Cash ​ 4,067 Contractual receivables ​ 1,002 Other assets (1) ​ 7,698 Total investments ​ ​ 654,580 Debt ​ ​ (285,100) Accrued expenses and other liabilities (2) ​ ​ (23,931) Fair value of net assets acquired ​ $ 345,549 ​ (1) Includes approximately $ 2.5 million in above market lease assets. (2) The MedEquities facilities acquired in 2019 are included in our results of operations from the date of acquisition. For the period from May 17, 2019 through December 31, 2019, we recognized approximately $35.2 million of total revenue from the assets acquired in connection with the MedEquities Merger. For the year ended December 31, 2019, we incurred approximately $5.1 million of acquisition and merger related costs associated with the MedEquities Merger. ​ Pro Forma Acquisition Results ​ The following unaudited pro forma information presents consolidated financial information as if the MedEquities Merger occurred on January 1, 2018. In the opinion of management, all significant necessary adjustments to reflect the effect of the merger have been made. The following pro forma information is not indicative of future operations. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pro Forma ​ ​ Year Ended December 31, ​ ​ 2019 ​ 2018 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pro forma revenues ​ $ 950,318 ​ $ 938,782 Pro forma net income ​ $ 362,220 ​ $ 321,232 ​ ​ ​ ​ ​ ​ ​ Earnings per share – diluted: ​ ​ ​ ​ ​ ​ Net income – as reported ​ $ 1.58 ​ $ 1.40 Net income – pro forma ​ $ 1.60 ​ $ 1.48 ​ 2018 Acquisitions and Other The following table summarizes the significant asset acquisitions that occurred in 2018: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Number of ​ ​ ​ Total ​ ​ Initial ​ ​ Facilities Country/ Investment Annual ​ Period ​ SNF ​ ALF/ILF ​ State ​ (in millions) ​ Cash Yield (3) ​ Q1 — 1 U.K. ​ $ 4.0 (1) 8.50 % Q1 — 1 U.K. ​ 5.7 (2) 8.50 % Q1 1 — PA ​ 7.4 ​ 9.50 % Q1 1 — VA ​ 13.2 ​ 9.50 % Q2 5 — TX ​ 22.8 ​ 9.50 % Q4 ​ 3 ​ 1 ​ PA ​ ​ 35.1 ​ ​ 9.50 % Q4 1 — IN ​ 8.3 ​ 9.50 % Q4 1 — OH ​ 9.2 ​ 9.50 % Total 12 3 ​ $ 105.7 ​ ​ (1) We recorded a non-cash deferred tax liability of approximately $0.4 million in connection with this acquisition. (2) We recorded a non-cash deferred tax liability of approximately $0.2 million in connection with this acquisition. (3) Initial annual cash yield reflects the initial annual contractual cash rent divided by the purchase price. ​ During 2018, we transitioned 21 SNFs and one ALF subject to direct financing leases (not reflected in the table above) with a net carrying value of approximately $184.5 million from an existing operator to five other existing operators subject to single or master operating leases with an initial annual cash yield of approximately 9%. We recorded approximately $184.5 million of real estate investments consisting of land ($11.2 million), building and site improvements ($159.1 million) and furniture and fixtures ($14.2 million) in partial satisfaction of the direct financing leases. In connection with these transitions, we provided the new operators with working capital loans with a maximum borrowing capacity of $45.7 million, commitments to fund capital improvements up to $10.6 million and indemnities with a maximum funding of $7.4 million. Claims against these indemnities must occur within 18 months to 36 months of the transition date. These indemnities were provided to the new operators upon transition and would be utilized in the event that the prior operator does not perform under their transition agreements. As of December 31, 2020, we have not and we do not expect to fund a material amount under these indemnity agreements. Asset Sales, Impairments and Other During the fourth quarter of 2020, we sold 16 facilities (12 were previously held for sale at September 30, 2020) for approximately $63.7 million in net cash proceeds recognizing a gain on sale of approximately $5.2 million. In addition, we recorded impairments on real estate properties of approximately $30.2 million on seven facilities (none of which were reclassified to held for sale). In 2020, we sold 43 facilities (six were previously held for sale at December 31, 2019) for approximately $180.9 million in net cash proceeds recognizing a net gain of approximately $19.1 million. In addition, we recorded impairments on real estate properties of approximately $76.0 million on 25 facilities. After considering the impairments recorded and facilities sold during the year, the total net recorded investment in these properties was approximately $12.3 million as of December 31, 2020, with approximately $0.2 million related to properties classified as assets held for sale. Our impairments were offset by approximately $3.5 million of insurance proceeds received related to a facility In 2019, we sold 34 facilities (one was previously held for sale at December 31, 2018) for approximately $219.3 million in net cash proceeds recognizing a net gain of approximately $55.7 million. In addition, we recorded net impairments on real estate properties of approximately $45.3 million on 23 facilities. After considering the impairments recorded and facilities sold during the year, the total net recorded investment in these properties was approximately $23.4 million as of December 31, 2019, with approximately $4.6 million related to properties classified as assets held for sale. Our impairments were offset by approximately $3.7 million of insurance proceeds received related to two facilities that were previously destroyed and impaired. ​ In 2018, we sold 78 facilities (22 previously held for sale at December 31, 2017) subject to operating leases for approximately $309.6 million in net proceeds recognizing a gain on sale of approximately $24.8 million. In addition, we recorded impairments on real estate properties of approximately $35.0 million on 35 facilities. Our impairments were offset by $5.2 million of insurance proceeds received related to a facility destroyed in November 2017. After considering the impairments recorded and facilities sold during the year, the total net recorded investment in these properties was approximately $14.8 million as of December 31, 2018, with approximately $1.0 million related to properties classified as assets held for sale. ​ Of the 78 facilities sold during 2018, we sold 12 SNFs on June 1, 2018 secured by HUD mortgages to subsidiaries of an existing operator. The Company sold the 12 SNF facilities with carrying values of approximately $62 million for approximately $78 million which consisted of $25 million of cash consideration and their assumption of approximately $53 million of our HUD mortgages. See Note 13 – Borrowing Arrangements for additional details. Simultaneously, subsidiaries of the operator assumed our HUD restricted cash accounts, deposits and escrows. The Company recorded a gain on sale of approximately $11 million after approximately $5 million of closing and other transaction related costs. In connection with this sale, we provided a principal of an existing operator an unsecured loan of approximately $39.7 million. ​

DIRECT FINANCING LEASES

DIRECT FINANCING LEASES	12 Months Ended
	Dec. 31, 2020
Direct Financing Leases [Abstract]
DIRECT FINANCING LEASES	NOTE 4 – DIRECT FINANCING LEASES The components of investments in direct financing leases consist of the following: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ Minimum lease payments receivable ​ $ 25,947 ​ $ 27,227 ​ Less unearned income ​ (14,489) ​ (15,522) ​ Investment in direct financing leases ​ 11,458 ​ 11,705 ​ Less allowance for credit losses on direct financing leases ​ (694) ​ (217) ​ Investment in direct financing leases – net ​ $ 10,764 ​ $ 11,488 ​ ​ ​ ​ ​ ​ ​ ​ ​ Properties subject to direct financing leases ​ 1 ​ 2 ​ Number of direct financing leases ​ 1 ​ 2 ​ ​ ​ Orianna Direct Financing Lease ​ On January 11, 2019, pursuant to a bankruptcy court order, affiliates of Orianna Health Systems (“Orianna”) purchased the remaining 15 SNFs (during 2018 we recorded $27.2 million of additional impairment to reduce the remaining investment in the direct financing lease covering 15 facilities located in the Southeast region of the U.S. to their estimated fair values) subject to the direct financing lease with Orianna for $176 million of consideration, comprised of $146 million in cash received by Orianna and a $30.0 million seller note held by the Company. The $30.0 million note bears interest at 6% per annum and matures on January 11, 2026. Interest on the unpaid principal balance is due quarterly in arrears. Commencing on January 11, 2022, quarterly principal payments are due based on a 15-year amortization schedule on the then outstanding principal balance of the loan. On the same date, Orianna repaid $25.0 million of our then outstanding debtor in possession financing, including all related interest. On January 16, 2019, the bankruptcy court confirmed Orianna’s plan of reorganization, creating a Distribution Trust (the “Trust”) to distribute the proceeds from Orianna’s sale of the remaining 15 SNFs, as well as the Trust’s collections of Orianna’s accounts receivable portfolio. In January 2019, we reclassified our net investment in direct financing lease of $115.8 million from the Trust to other assets on our Consolidated Balance Sheets. For the period from January 16, 2019 through December 31, 2019, we received approximately $94 million from the Trust as a partial liquidation. ​ In March 2019, we received updated information from the Trust indicating diminished collectibility of the accounts receivable owed to us. As a result, we recorded an additional $7.7 million allowance. As of December 31, 2019, our remaining receivable from the Trust was approximately $14.1 million which was recorded in other assets on our Consolidated Balance Sheets. During 2020, we received approximately $17.2 million from the Trust of which approximately $3.1 million is recorded in (recovery) impairment of direct financing leases on our Consolidated Statements of Operations.

MORTGAGE NOTES RECEIVABLE

MORTGAGE NOTES RECEIVABLE	12 Months Ended
	Dec. 31, 2020
Mortgage Notes Receivable [Abstract]
MORTGAGE NOTES RECEIVABLE	NOTE 5 - MORTGAGE NOTES RECEIVABLE As of December 31, 2020, mortgage notes receivable relate to nine fixed rate mortgages on 62 long-term care facilities. The mortgage notes are secured by first mortgage liens on the borrowers’ underlying real estate and personal property. The mortgage notes receivable relate to facilities located in eight states, operated by seven independent healthcare operating companies. We monitor compliance with mortgages and when necessary have initiated collection, foreclosure and other proceedings with respect to certain outstanding loans. The principal amounts outstanding of mortgage notes receivable, net of allowances, were as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ Mortgage note due 2027; interest at 10.59% ​ $ 112,500 ​ $ 112,500 ​ Mortgage notes due 2029; interest at 10.53% (1) ​ 670,015 ​ 526,520 ​ Other mortgage notes outstanding (2) ​ 136,043 ​ 139,448 ​ Mortgage notes receivable, gross ​ 918,558 ​ 778,468 ​ Allowance for credit losses on mortgage notes receivable ​ (33,245) ​ (4,905) ​ Total mortgages — net ​ $ 885,313 ​ $ 773,563 ​ (1) Approximates the weighted average interest rate on 46 facilities. Two notes totaling approximately $29.7 million are construction mortgages with maturities in 2021 . Two mortgage notes totaling $43.2 million mature in 2021 and the remaining loan balance matures in 2029 . (2) Other mortgage notes outstanding have a weighted average interest rate of 9.41% per annum and maturity dates through 2028 . ​ $112.5 On January 17, 2014, we entered into a $112.5 million first mortgage loan with an existing operator. The loan is secured by seven SNFs and two ALFs located in Pennsylvania and Ohio, respectively. The mortgage is cross-defaulted and cross-collateralized with our existing master lease with the operator. In March 2018, we extended the maturity date to January 31, 2027 and provided an option to extend the maturity for a five year period through January 31, 2032 and a second option to extend the maturity through September 30, 2034. $670 ● $415 million amortizing mortgage (the “Master Mortgage”) that matures in 2029 . The Master Mortgage note bore an initial interest rate of 9.0% per annum which increases by 0.225% per annum. In May 2020, we amended the Master Mortgage to increase the interest rate by 54 basis points from 10.13% per annum to 10.67% per annum and we sold eight SNFs and one ALF located in Michigan to Ciena for $83.5 million (as discussed below). As of December 31, 2020, the outstanding principal balance of the Master Mortgage note is approximately $374.6 million and is secured by 25 facilities. ● Additional borrowings in the form of incremental facility mortgages, construction and/or improvement mortgages with maturities through 2029 with initial annual interest rates ranging between 8.5% and 10% and fixed annual escalators of 2% or 2.5% over the prior year’s interest rate, or a fixed increase of 0.225% per annum. As of December 31, 2020, the outstanding principal balance of these mortgage notes which are secured by five facilities is approximately $124.9 million. ● $44.7 million mortgage note related to five SNFs located in Michigan. The mortgage note matures on June 30, 2029 and bears an initial annual interest rate of 9.5% which increases each year by 0.225%. As of December 31, 2020, the outstanding principal balance of this mortgage note is approximately $43.9 million. Additionally, the Company committed to fund an additional $9.6 million to Ciena if certain performance metrics are achieved by the portfolio. ● $83.5 million mortgage note related to eight SNFs and one ALF located in Michigan. These nine facilities were formerly leased to Ciena and were sold to Ciena by issuance of a first mortgage on May 1, 2020. In connection with this sale, we recorded a loss of $3.6 million related to the write-off of the nine facilities’ straight-line rent receivable. The mortgage note matures on June 30, 2029 and bears an initial annual interest rate of 10.31% which increases each year by 2% . As of December 31, 2020, the outstanding principal balance of this mortgage note is approximately $83.4 million. ● $43.2 million of mortgage notes related to two SNFs located in Ohio. The mortgage notes mature on June 30, 2021 and bears an initial annual interest rate of 9.5% . As of December 31, 2020, the outstanding principal balance of these mortgage notes is approximately $43.2 million. The mortgage notes with Ciena are cross-defaulted and cross-collateralized with our existing master lease and other investment notes with the operator.

OTHER INVESTMENTS

OTHER INVESTMENTS	12 Months Ended
	Dec. 31, 2020
Other Investments [Abstract]
OTHER INVESTMENTS	NOTE 6 - OTHER INVESTMENTS A summary of our other investments is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ ​ (in thousands) ​ Other investment notes due 2022; interest at 13.12% (1) ​ $ 83,636 $ 77,087 ​ Other investment notes due 2024-2025; interest at 8.12% (1) ​ ​ 56,987 ​ 58,687 ​ Other investment note due 2023; interest at 12.00% ​ 49,973 ​ ​ 52,213 ​ Other investment notes due 2030; interest at 7.00% ​ 147,148 ​ 65,000 ​ Other investment notes outstanding (2) ​ 161,155 ​ 166,241 ​ Total other investments, gross ​ ​ 498,899 ​ ​ 419,228 ​ Allowance for credit losses on other investments ​ ​ (31,457) ​ ​ — ​ Total other investments - net ​ $ 467,442 ​ $ 419,228 ​ (1) Approximate weighted average interest rate as of December 31, 2020. (2) Other investment notes have a weighted average interest rate of 7.75% and maturity dates through 2028 . Other investment notes due 2022 ​ Also on March 6, 2018, we provided Genesis an additional $16.0 million secured term loan bearing interest at a fixed rate of 10% per annum, of which 5% per annum is paid-in-kind, and was initially scheduled to mature on July 29, 2020. The maturity date of this loan was extended to January 1, 2022. As of December 31, 2020, approximately $18.4 million is outstanding on this term loan. ​ Other investment notes due 2024-2025 ​ On September 30, 2016, we acquired and amended a term loan with a fair value of approximately $37.0 million with Agemo. A $5.0 million tranche of the term loan that bore interest at 13% per annum was repaid in August 2017. The remaining $32.0 million tranche of the term loan bears interest at 9% per annum and currently matures on December 31, 2024. The $32.0 million term loan is secured by a security interest in certain collateral of Agemo. During the third quarter of 2020, we concluded that the $32.0 million term loan was impaired, based in part on our consideration of information we received in the quarter from the operator regarding substantial doubt as to its ability to continue as a going concern. We recorded a provision for credit loss of $22.7 million to reduce the carrying value of this loan to the fair value of the underlying collateral, which was limited to our $9.3 million letter of credit (a Level 1 input) and placed the loan on a cash basis. We also fully reserved approximately $3.8 million of contractual interest receivable related to the $32.0 million term loan (see Note 2 – Summary of Significant Accounting Policies). As of December 31, 2020, the carrying amount of the loan, net of allowances is approximately $9.3 million. On May 7, 2018, we provided Agemo a $25.0 million secured working capital loan bearing interest at 7% per annum that matures on April 30, 2025. The working capital loan is primarily secured by a collateral package that includes a second lien on the accounts receivable of the borrowers. The proceeds of the working capital loan were used to pay operating expenses, settlement payments, fees, taxes and other costs approved by the Company. As of December 31, 2020, approximately $25.0 million is outstanding on this working capital loan. During 2020, no incremental provision for credit loss was recorded for this loan given the underlying collateral value. ​ On November 5, 2019, we provided Agemo a $1.7 million term loan (which was added to the $32.0 million term loan) bearing interest at a fixed rate of 9% per annum with a scheduled maturity in January 2021. This loan was repaid in 2020. ​ ​ At December 31, 2020, the total carrying value of our loans outstanding with Agemo and its affiliates, net of allowances for credit losses, is approximately $34.3 million. ​ Other investment note due 2023 ​ On February 26, 2016, we acquired and funded a $50.0 million mezzanine loan at a discount of approximately $0.75 million. In May 2018, the Company amended the mezzanine loan with the borrower which is secured by an equity interest in subsidiaries of the borrower. As part of the refinancing, we increased the mezzanine loan by $10.0 million, extended the maturity date to May 31, 2023 and fixed the interest rate at 12% per annum. The mezzanine loan requires semi-annual principal payments of $2.5 million commencing December 31, 2018. As of December 31, 2020, our total other investments outstanding with this borrower was approximately $50.0 million. In connection with the amendment, we recognized fees of approximately $1.1 million of which $0.5 million was paid at closing with the remainder due at maturity. The discount and loan fees are deferred and are being recognized on an effective basis over the term of the loan. ​ Other investment notes due 2030 ​ ​ Other investment note outstanding ​ On April 17, 2020, we provided a $17.6 million unsecured loan to a subsidiary of Second Spring Healthcare Investments (an entity in which we have an approximate 15% ownership interest, see Note 8 – Investments in Joint Ventures). The loan bears interest at the greater of the prime interest rate or 3-month LIBOR plus 2.75% per annum and is due on demand. As of December 31, 2020, the loan bears interest at 3.25% per annum and has a total outstanding balance of $17.6 million.

VARIABLE INTEREST ENTITIES

VARIABLE INTEREST ENTITIES	12 Months Ended
	Dec. 31, 2020
Variable Interest Entities [Abstract]
VARIABLE INTEREST ENTITIES	NOTE 7 – VARIABLE INTEREST ENTITIES The following operators are considered VIEs as of December 31, 2020 and 2019. Below is a summary of our assets and liabilities associated with each operator: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ December 31, 2019 ​ ​ ​ Agemo Maplewood ​ Agemo ​ ​ ​ (in thousands) ​ (in thousands) ​ Assets ​ ​ ​ ​ ​ ​ ​ ​ ​ Real estate investments – net ​ $ 371,010 $ 750,488 ​ $ 403,389 ​ Other investments ​ 34,253 147,148 ​ ​ 58,687 ​ Contractual receivables ​ 346 887 ​ ​ 18,113 ​ Straight-line rent receivables ​ — (56,664) ​ ​ 46,247 ​ Lease inducement ​ ​ — ​ 69,666 ​ ​ 6,810 ​ Subtotal ​ 405,609 911,525 ​ ​ 533,246 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Liabilities ​ ​ ​ ​ ​ ​ ​ ​ ​ Net in-place lease liability ​ ​ — ​ (331) ​ ​ — ​ Contingent liability ​ ​ — ​ (43,915) ​ ​ — ​ Subtotal ​ — (44,246) ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Collateral ​ ​ ​ ​ Letters of credit ​ (9,253) — ​ ​ (9,253) ​ Personal guarantee ​ (8,000) (40,000) ​ ​ (8,000) ​ Other collateral ​ (371,010) (750,488) ​ ​ (403,389) ​ Subtotal ​ (388,263) (790,488) ​ ​ (420,642) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Maximum exposure to loss ​ $ 17,346 $ 76,791 ​ $ 112,604 ​ ​ In determining our maximum exposure to loss from these VIEs, we considered the underlying value of the real estate subject to leases with these operators and other collateral, if any, supporting our other investments, which may include accounts receivable, security deposits, letters of credit or personal guarantees, if any, as well as other liabilities. See Note 6 – Other Investments regarding the terms of our Other Investments with these two operators. The table below reflects our total revenues from Agemo and Maplewood for the years ended December 31, 2020, 2019 and 2018: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 ​ 2019 ​ 2018 ​ ​ ​ ​ Agemo ​ Maplewood ​ Agemo ​ Maplewood ​ Agemo ​ Maplewood ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Revenue ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Rental (loss) income (1) ​ ​ ​ $ (22,387) ​ $ 52,442 ​ $ 60,639 ​ $ 39,111 ​ $ 59,291 ​ $ 33,892 Other investment income ​ ​ ​ 4,913 ​ 6,951 ​ 4,502 ​ 4,821 ​ 3,500 ​ 4,615 Total (2) ​ ​ ​ $ (17,474) ​ $ 59,393 ​ $ 65,141 ​ $ 43,932 ​ $ 62,791 ​ $ 38,507 (1) The rental income related to Agemo for the year ended December 31, 2020, reflects the write-off of approximately $75.3 million of contractual rent receivable, straight-line rent receivable and lease inducements (see Note 2 – Summary of Significant Accounting Policies). (2) For the years ended December 31, 2020, 2019 and 2018, we received cash rental income and other investment income from Agemo of approximately $53.9 million, $53.7 million and $56.8 million, respectively. For the years ended December 31, 2020, 2019 and 2018, we received cash rental income and other investment income from Maplewood of approximately $69.6 million, $ 44.9 million and $35.5 million, respectively. ​

INVESTMENTS IN JOINT VENTURES

INVESTMENTS IN JOINT VENTURES	12 Months Ended
	Dec. 31, 2020
INVESTMENTS IN JOINT VENTURES [Abstract]
INVESTMENTS IN JOINT VENTURES	NOTE 8 – INVESTMENTS IN JOINT VENTURES Unconsolidated Joint Ventures The Company owns interests in the following entities that are accounted for under the equity method (dollars in thousands): ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Carrying Amount ​ ​ Ownership ​ Initial Investment ​ ​ ​ ​ Facility ​ Facilities at ​ December 31, ​ December 31, Entity (1) ​ % ​ Date ​ ​ Investment (2) ​ Type ​ 12/31/2020 ​ 2020 2019 Second Spring Healthcare Investments (3) ​ 15% ​ 11/1/2016 ​ $ 50,032 ​ SNF ​ 21 ​ $ 17,700 $ 22,504 Lakeway Realty, L.L.C. (4) ​ 51% ​ 5/17/2019 ​ ​ 73,834 ​ Specialty facility ​ 1 ​ ​ 72,318 ​ ​ 73,273 Cindat Joint Venture (5) ​ 49% ​ 12/18/2019 ​ ​ 105,688 ​ ALF ​ 67 ​ ​ 110,360 ​ ​ 103,976 OMG Senior Housing, LLC ​ 50% ​ 12/6/2019 ​ ​ — ​ ILF ​ 1 ​ — ​ — OH CHS SNP, Inc. ​ 9% ​ 12/20/2019 ​ ​ 746 ​ N/A ​ N/A ​ ​ 260 ​ ​ 131 ​ ​ ​ ​ ​ ​ $ 230,300 ​ ​ ​ ​ ​ $ 200,638 ​ $ 199,884 (1) These entities and their subsidiaries are not consolidated by the Company because it does not control, through voting rights or other means, the joint venture. (2) Our investment includes our transaction costs, if any. (3) The Company made a loan of $17.6 million to the venture which is included in other investments. See Note 6 – Other Investments. During 2020, this joint venture sold 16 SNFs subject to an operating lease for approximately $259.1 million in net cash proceeds and recognized a gain on sale of approximately $40.4 million. During 2019, this joint venture sold 14 SNFs subject to an operating lease for approximately $311.8 million in net cash proceeds and recognized a gain on sale of approximately $64.0 million. During 2018, this joint venture sold 13 SNFs subject to an operating lease for approximately $164.0 million in net cash proceeds and recognized a loss on sale of approximately $4.6 million. During 2018, this joint venture also recorded $4.2 million of impairment expense on these real estate properties. (4) We acquired an interest in a joint venture that owns the Lakeway Regional Medical Center (the “Lakeway Hospital”) in Lakeway, Texas. Our initial basis difference of approximately $69.9 million is being amortized on a straight-line basis over 40 years to income (loss) from unconsolidated joint ventures in the Consolidated Statements of Operations. The lessee of the Lakeway Hospital has an option to purchase the facility from the joint venture. The lessee also has a right of first refusal and a right of first offer in the event the joint venture intends to sell or otherwise transfer Lakeway Hospital. (5) We acquired a 49% interest in Cindat Ice Portfolio JV, GP Limited, Cindat Ice Portfolio Holdings, LP and Cindat Ice Portfolio Lender, LP. Cindat Ice Portfolio Holdings, LP owns 67 care homes leased to two operators in the U.K. pursuant to operating leases. Cindat Ice Portfolio Lender, LP holds loans to a third-party operator. Our investment in Cindat Joint Venture consists primarily of real estate. Our initial basis difference of approximately $35 million is being amortized on a straight-line basis over approximately 40 years to income (loss) from unconsolidated joint ventures in the Consolidated Statements of Operations. The following table reflects our income (loss) from unconsolidated joint ventures for the years ended December 31, 2020, 2019 and 2018: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, Entity ​ 2020 2019 2018 ​ ​ (in thousands) ​ ​ ​ Second Spring Healthcare Investments ​ $ 2,807 ​ $ 9,490 ​ $ 381 Lakeway Realty, L.L.C. ​ ​ 2,483 ​ 1,479 ​ — Cindat Joint Venture ​ 1,812 ​ (22) ​ — OMG Senior Housing, LLC ​ (497) ​ — ​ — OH CHS SNP, Inc. ​ (462) ​ — ​ — Total ​ $ 6,143 ​ $ 10,947 ​ $ 381 ​ Lakeway Realty, L.L.C. In connection with the MedEquities Merger on May 17, 2019, the Company acquired a first mortgage lien issued to Lakeway Realty, L.L.C in the original principal amount of approximately $73.0 million bearing interest at 8% per annum based on a 25-year amortization schedule and maturing on March 20, 2025. We determined the acquisition date fair value of the acquired mortgage was $69.1 million. As of December 31, 2020 and 2019, this mortgage has a carrying value of $67.0 million and $68.3 million, respectively. Asset Management Fees We receive asset management fees from certain joint ventures for services provided. For the years ended December 31, 2020, 2019 and 2018, we recognized approximately $1.2 million, $0.9 million and $1.8 million, respectively, of asset management fees. These fees are included in miscellaneous income in the accompanying Consolidated Statements of Operations.

ASSETS HELD FOR SALE

ASSETS HELD FOR SALE	12 Months Ended
	Dec. 31, 2020
Assets Held for Sale [Abstract]
ASSETS HELD FOR SALE	NOTE 9 – ASSETS HELD FOR SALE The following is a summary of our assets held for sale: ​ ​ ​ ​ ​ ​ ​ Properties Held For Sale ​ Number of Net Book Value ​ Properties ​ (in thousands) December 31, 2018 3 ​ $ 989 Properties sold (1) (8) ​ ​ (6,486) Properties added (2) 11 ​ ​ 10,419 December 31, 2019 6 ​ ​ 4,922 Properties sold (1) (25) ​ ​ (126,532) Properties added (2) 41 ​ ​ 203,062 December 31, 2020 (3) 22 ​ $ 81,452 (1) In 2019, we sold seven facilities for approximately $22.9 million in net proceeds recognizing a gain on sale of approximately $14.8 million. One facility classified as held for sale at December 31, 2018 was no longer considered held for sale during the second quarter of 2019 and was reclassified to leased property at approximately $0.3 million which represents the facility’s then carrying value adjusted for depreciation that was not recognized while classified as held for sale. In 2020, we sold 25 facilities and a parcel of land for approximately $142.8 million in net proceeds recognizing a gain on sale of approximately $16.2 million. (2) In 2019, we recorded approximately $9.2 million of impairment expense to reduce eight facilities’ book values to their estimated fair values less costs to sell before they were reclassified to assets held for sale. In 2020, we recorded approximately $36.4 million of impairment expense to reduce 11 facilities’ book values to their estimated fair values less costs to sell before they were reclassified to assets held for sale. (3) We plan to sell the facilities classified as held for sale at December 31, 2020 within the next twelve months. ​

INTANGIBLES

INTANGIBLES	12 Months Ended
	Dec. 31, 2020
Intangibles [Abstract]
INTANGIBLES	NOTE 10 – INTANGIBLES The following is a summary of our lease intangibles as of December 31, 2020 and 2019: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 ​ 2019 ​ ​ ​ (in thousands) ​ Assets: ​ ​ ​ ​ Above market leases ​ $ 22,822 ​ $ 49,240 ​ Accumulated amortization ​ (20,882) (21,227) ​ Net above market leases ​ $ 1,940 ​ $ 28,013 ​ ​ ​ ​ ​ ​ ​ ​ ​ Liabilities: ​ ​ ​ ​ Below market leases ​ $ 139,515 ​ $ 147,292 ​ Accumulated amortization ​ (100,996) (87,154) ​ Net below market leases ​ $ 38,519 ​ $ 60,138 ​ ​ For the years ended December 31, 2020, 2019 and 2018, our net amortization related to intangibles was $14.2 million, $5.9 million and $10.7 million, respectively. The estimated net amortization related to these intangibles for the subsequent five years is as follows: 2021 – $6.8 million; 2022 – $4.7 million; 2023 – $4.5 million; 2024 – $4.4 million; 2025 – $4.2 million and $11.9 million thereafter. As of December 31, 2020, the weighted average remaining amortization period of above market lease assets is approximately ten years and of below market lease liabilities is approximately eight years. The following is a summary of our goodwill: ​ ​ ​ ​ ​ (in thousands) Balance as of December 31, 2019 ​ $ 644,415 Add: foreign currency translation ​ 438 Add: goodwill from business combination ​ 6,884 Balance as of December 31, 2020 ​ $ 651,737 ​

CONCENTRATION OF RISK

CONCENTRATION OF RISK	12 Months Ended
	Dec. 31, 2020
Concentration of Risk [Abstract]
CONCENTRATION OF RISK	NOTE 11 - CONCENTRATION OF RISK As of December 31, 2020, our portfolio of real estate investments consisted of 967 healthcare facilities, located in 40 states and the U.K. and operated by 69 third-party operators. Our investment in these facilities, net of impairments and allowances, totaled approximately $9.7 billion at December 31, 2020, with approximately 97% of our real estate investments related to long-term care facilities. Our portfolio is made up of 738 SNFs, 115 ALFs, 28 specialty facilities, two medical office buildings, fixed rate mortgages on 56 SNFs, three ALFs and three specialty facilities and 22 facilities that are held for sale. At December 31, 2020, we also held other investments of approximately $467.4 million, consisting primarily of secured loans to third-party operators of our facilities and $200.6 million of investment in five unconsolidated joint ventures. At December 31, 2020 and 2019, we had investments with one operator/or manager that exceeded 10% of our total investments: Ciena Healthcare (“Ciena”). Ciena generated approximately 11%, 10% and 11% of our total revenues for the years ended December 31, 2020, 2019 and 2018, respectively. As of December 31, 2020 and 2019, we had approximately $16.0 million and $21.6 million, respectively of other investments outstanding with Ciena and $30.3 million and $32.6 million, respectively of contractual receivables, other receivables and lease inducements with Ciena. At December 31, 2020, the three states in which we had our highest concentration of investments were Florida (14%), Texas (9%) and Michigan (7%).

LEASE AND MORTGAGE DEPOSITS

LEASE AND MORTGAGE DEPOSITS	12 Months Ended
	Dec. 31, 2020
Security Deposits and Letters Of Credit [Abstract]
LEASE AND MORTGAGE DEPOSITS	NOTE 12 - LEASE AND MORTGAGE DEPOSITS We obtain liquidity deposits and other deposits, security deposits and letters of credit from certain operators pursuant to our lease and mortgage agreements. These generally represent the rental and/or mortgage interest for periods ranging from three ​ The liquidity deposits and other deposits, security deposits and the letters of credit may be used in the event of lease and/or loan defaults, subject to applicable limitations under bankruptcy law with respect to operators filing under Chapter 11 of the United States Bankruptcy Code. Liquidity deposits and other deposits are recorded as restricted cash on our Consolidated Balance Sheets with the offset recorded as a liability in accrued expenses and other liabilities on our Consolidated Balance Sheets. Security deposits related to cash received from the operators are primarily recorded in cash and cash equivalents on our Consolidated Balance Sheets with a corresponding offset in accrued expenses and other liabilities on our Consolidated Balance Sheets. Additional security for rental and mortgage interest revenue from operators is provided by covenants regarding minimum working capital and net worth, liens on accounts receivable and other operating assets of the operators, provisions for cross-default, provisions for cross-collateralization and by corporate or personal guarantees. ​

BORROWING ARRANGEMENTS

BORROWING ARRANGEMENTS	12 Months Ended
	Dec. 31, 2020
BORROWING ARRANGEMENTS [Abstract]
BORROWING ACTIVITIES AND ARRANGEMENTS	NOTE 13 - BORROWING ARRANGEMENTS The following is a summary of our long-term borrowings: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Annual ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Interest Rate ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ as of ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ ​ December 31, ​ Net Proceeds Maturity 2020 ​ 2020 2019 ​ (in millions) ​ ​ ​ (in thousands) Secured borrowings: ​ ​ ​ HUD mortgages (1)(2) ​ ​ ​ 2046-2052 ​ 3.01 % ​ $ 367,249 ​ $ 387,405 Term loan (3) ​ 2021 3.50 % ​ ​ 2,275 ​ ​ 2,275 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 369,524 ​ ​ 389,680 Unsecured borrowings: ​ ​ ​ ​ Revolving line of credit (4)(5) ​ 2021 1.27 % ​ 101,158 ​ 125,000 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ U.S. term loan (5) ​ N/A N/A ​ ​ — ​ 350,000 Sterling term loan (5)(6) ​ 2022 1.47 % ​ 136,700 ​ 132,480 Omega OP term loan (7) ​ 2022 3.29 % ​ 50,000 ​ 75,000 2015 term loan (5) ​ N/A N/A ​ ​ — ​ 250,000 Deferred financing costs – net ​ ​ ​ (351) ​ (2,742) Total term loans – net ​ ​ ​ 186,349 ​ 804,738 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Senior Notes: (5) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2023 notes $ 692.0 2023 4.375 % ​ 700,000 ​ 700,000 2024 notes ​ 394.3 2024 4.950 % ​ 400,000 ​ 400,000 2025 notes ​ 397.7 2025 4.500 % ​ 400,000 ​ 400,000 2026 notes ​ 594.4 2026 5.250 % ​ 600,000 ​ 600,000 2027 notes ​ 683.0 2027 4.500 % ​ 700,000 ​ 700,000 2028 notes ​ 540.8 2028 4.750 % ​ 550,000 ​ 550,000 2029 notes ​ 487.8 2029 3.625 % ​ 500,000 ​ 500,000 2031 notes (8) ​ 680.5 ​ 2031 ​ 3.375 % ​ ​ 700,000 ​ ​ — Subordinated debt (2) ​ 2021 9.000 % ​ 20,000 ​ 13,541 Discount – net ​ ​ (31,709) ​ (23,041) Deferred financing costs – net ​ ​ (26,070) ​ (23,778) Total senior notes and other unsecured borrowings – net ​ ​ 4,512,221 ​ 3,816,722 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total unsecured borrowings – net ​ ​ 4,799,728 ​ 4,746,460 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total secured and unsecured borrowings – net (9) ​ ​ $ 5,169,252 ​ $ 5,136,140 (1) Reflects the weighted average annual contractual interest rate on the mortgages at December 31, 2020. Secured by real estate assets with a net carrying value of $571.2 million as of December 31, 2020. (2) Wholly owned subsidiaries of Omega OP are the obligor on these borrowings. (3) Borrowing is the debt of a consolidated joint venture. (4) The Revolving line of credit matures on May 25, 2021, subject to an option by us to extend such maturity date for two , six month periods. (5) Guaranteed by Omega OP. (6) Actual borrowing in British Pounds Sterling and remeasured to USD. (7) Omega OP is the obligor on this borrowing. (8) We used the proceeds from this offering to repay the outstanding balance on our U.S. term loan, our 2015 term loan and pay down the Omega OP term loan and Revolving line of credit. (9) All borrowings are direct borrowings of Parent unless otherwise noted. ​ Secured Borrowings HUD Mortgage Debt ​ On October 31, 2019, we assumed approximately $389 million in mortgage loans guaranteed by HUD. The HUD loans have maturity dates between 2046 and 2052 with fixed interest rates ranging from 2.82% per annum to 3.24% per annum. The HUD loans may be prepaid subject to an initial penalty of 10% of the remaining principal balances in the first year and the prepayment penalty decreases each subsequent year by 1% until no penalty is required. On August 26, 2020, we paid approximately $13.7 million to retire two mortgage loans guaranteed by HUD that were assumed in 2019 and had an average interest rate of 3.08% per annum with maturities in 2051 and 2052. The payoff included a $0.9 million prepayment fee which is included in loss on debt extinguishment on our Consolidated Statements of Operations. ​ HUD Mortgage Disposition On June 1, 2018, subsidiaries of an existing operator assumed approximately $53 million of our indebtedness guaranteed by HUD that secured 12 separate facilities located in Arkansas. In connection with our disposition of the mortgages, we wrote-off approximately $0.6 million of unamortized deferred costs that are recorded in gain on assets sold – net on our Consolidated Statements of Operations. These fixed rate mortgages had a weighted average interest rate of approximately 3.06% per annum and matured in July 2044 Unsecured Borrowings 2017 Omega Credit Facilities On May 25, 2017, Omega entered into a credit agreement (the “2017 Omega Credit Agreement”) providing us with a new $1.8 billion senior unsecured revolving and term loan credit facility, consisting of a $1.25 billion senior unsecured multicurrency revolving credit facility (the “Revolving Credit Facility”), a $425 million senior unsecured U.S. Dollar term loan facility (the “U.S. Term Loan Facility”), and a £100 million senior unsecured British Pound Sterling term loan facility (the “Sterling Term Loan Facility” and, together with the Revolving Credit Facility and the U.S. Term Loan Facility, collectively, the “2017 Omega Credit Facilities”). The 2017 Omega Credit Agreement contains an accordion feature permitting us, subject to compliance with customary conditions, to increase the maximum aggregate commitments under the 2017 Omega Credit Facilities to $2.5 billion. The Revolving Credit Facility bears interest at LIBOR plus an applicable percentage (with a range of 100 to 195 basis points) based on our ratings from Standard & Poor’s, Moody’s and/or Fitch Ratings. The Revolving Credit Facility matures on May 25, 2021, subject to an option by us to extend such maturity date for two, six month periods. The 2017 Omega Credit Agreement provides for the Revolving Credit Facility to be drawn in Euros, British Pounds Sterling, Canadian Dollars (collectively, “Alternative Currencies”) or U.S. Dollars, with a $900 million tranche available in U.S. Dollars and a $350 million tranche available in U.S. Dollars or Alternative Currencies. For purposes of the 2017 Omega Credit Facilities, references to LIBOR include the Canadian dealer offered rates for amounts offered in Canadian Dollars and any other Alternative Currency rate approved in accordance with the terms of the 2017 Omega Credit Agreement for amounts offered in any other non-London interbank offered rate quoted currency, as applicable. The U.S. Term Loan Facility and the Sterling Term Loan Facility bear interest at LIBOR plus an applicable percentage (with a range of 90 to 190 basis points) based on our ratings from Standard & Poor’s, Moody’s and/or Fitch Ratings. The U.S. Term Loan Facility and the Sterling Term 2017 Omega OP Term Loan Facility On May 25, 2017, Omega OP entered into a credit agreement (the “2017 Omega OP Credit Agreement”) providing it with a new $100 million senior unsecured term loan facility (the “2017 Omega OP Term Loan Facility”). The 2017 Omega OP Term Loan Facility bears interest at LIBOR plus an applicable percentage (with a range of 90 to 190 basis points) based on our ratings from Standard & Poor’s, Moody’s and/or Fitch Ratings. The 2017 Omega OP Term Loan Facility matures on May 25, 2022. In September 2019 and October 2020, we used $25.0 million and $25.0 million, respectively of proceeds from our senior notes issuances to repay borrowings under the 2017 Omega OP Term Loan Facility. At December 31, 2020, we had $50.0 million in outstanding borrowings under this facility. In connection with the MedEquities Merger on May 17, 2019, we assumed various interest rate swap contracts. We designated the interest rate swap contracts as cash flow hedges of interest rate risk associated with the 2017 Omega OP Credit Agreement. The assumed interest rate swap contracts effectively convert $75 million of our 2017 Omega OP Credit Agreement to an aggregate fixed rate of approximately 3.29% through February 10, 2022. The effective fixed rate achieved by the combination of the 2017 Omega OP Credit Agreement and the interest rate swaps could fluctuate up by 55 basis points or down by 45 basis points based on future changes to our credit ratings. The 2017 Omega OP Credit Agreement will be unhedged for the period after February 10, 2022 through its maturity on May 25, 2022. In October 2020, we terminated $25.0 million of notional value interest rate swaps in connection with the partial repayment and paid our swap counterparty $0.6 million which is recorded in loss on debt extinguishment on our Consolidated Statements of Operations. Amended 2015 Term Loan Facility On May 25, 2017, Omega entered into an amended and restated credit agreement (the “Amended 2015 Credit Agreement”), which amended and restated our previous $250 million senior unsecured term loan facility (the “Amended 2015 Term Loan Facility”). The Amended 2015 Term Loan Facility bore interest at LIBOR plus an applicable percentage (with a range of 140 to 235 basis points) based on our ratings from Standard & Poor’s, Moody’s and/or Fitch Ratings. We repaid the Amended 2015 Term Loan Facility in October 2020 with proceeds from the senior notes issuance and wrote-off $0.7 million of unamortized deferred costs to loss on debt extinguishment on our Consolidated Statements of Operations. As a result of exposure to interest rate movements associated with the Amended 2015 Term Loan Facility, on December 16, 2015, we entered into various forward-starting interest rate swap arrangements, which effectively converted $250 million of our variable-rate debt based on one-month LIBOR to an aggregate fixed rate of approximately 3.8005% effective December 30, 2016. The effective fixed rate achieved by the combination of the Amended 2015 Term Loan Facility and the interest rate swaps could fluctuate up by 55 basis points or down by 40 basis points based on future changes to our credit ratings. Each of these swaps had a scheduled maturity date of December 15, 2022. In October 2020, we terminated these $250.0 million of notional value interest rate swaps in connection with the repayment of the Amended 2015 Term Loan Facility and paid our swap counterparties $10.3 million which is recorded in loss on debt extinguishment on our Consolidated Statements of Operations. Subordinated Debt $400 Million Forward Starting Swaps On March 27, 2020, we entered into five forward starting swaps totaling $400 million. We designated the forward starting swaps as cash flow hedges of interest rate risk associated with interest payments on a forecasted issuance of fixed rate long-term debt, initially expected to occur within the next five years. The swaps are effective on August 1, 2023 and expire on August 1, 2033 and were issued at a fixed rate of approximately 0.8675%. In October 2020, we issued $700 million aggregate principal amount of our 3.375% Senior Notes due 2031 and discontinued hedge accounting. Amounts reported in accumulated other comprehensive loss related to these discontinued cash flow hedging relationships will be reclassified to interest expense as interest payments are made on the Company’s debt. Simultaneously, we re-designated these swaps in new cash flow hedging relationships of interest rate risk associated with interest payments on another forecasted issuance of long-term debt. We are hedging our exposure to the variability in future cash flows for forecasted transactions over a maximum period of 46 months (excluding forecasted transactions related to the payment of variable interest on existing financial instruments). Other Debt Assumption and Repayment In connection with the MedEquities Merger on May 17, 2019, we assumed a $125.0 million term loan and outstanding borrowings of $160.1 million under MedEquities’ previous revolving credit facility. We repaid the total outstanding balance on both the term loan and the revolving credit facility and terminated the related agreements on May 17, 2019. General Certain of our other secured and unsecured borrowings are subject to customary affirmative and negative covenants, including financial covenants. As of December 31, 2020 and 2019, we were in compliance with all affirmative and negative covenants, including financial covenants, for our secured and unsecured borrowings. Parent and Omega OP, on a combined basis, have no material assets, liabilities or operations other than financing activities (including borrowings under the senior unsecured revolving and term loan credit facility, Omega OP term loan and the outstanding senior notes) and their investments in non-guarantor subsidiaries. Substantially all of our assets are held by non-guarantor subsidiaries. The required principal payments, excluding the premium or discount and deferred financing costs on our secured and unsecured borrowings, for each of the five years following December 31, 2020 and the aggregate due thereafter are set forth below: ​ ​ ​ ​ ​ ​ (in thousands) 2021 $ 130,876 2022 ​ 194,370 2023 ​ 707,904 2024 ​ 408,144 2025 ​ 408,393 Thereafter ​ 3,377,695 Total ​ $ 5,227,382 ​ In 2020, we paid approximately $10.9 million to our swap counterparties to settle certain interest rate swaps with an aggregate notional value of $275 million related to the 2015 term loan and the Omega OP term loan. In addition, we recorded approximately $1.5 million of write-offs of unamortized deferred financing costs. We also paid $0.9 million in prepayment penalties associated with two mortgage loans guaranteed by HUD and costs associated with the repayment of the U.S. term loan, the 2015 term loan and the partial paydown of the Omega OP term loan.

FINANCIAL INSTRUMENTS

FINANCIAL INSTRUMENTS	12 Months Ended
	Dec. 31, 2020
Financial Instruments [Abstract]
FINANCIAL INSTRUMENTS	NOTE 14 - FINANCIAL INSTRUMENTS The net carrying amount of cash and cash equivalents, restricted cash, contractual receivables, other assets and accrued expenses and other liabilities reported in the Consolidated Balance Sheets approximates fair value because of the short maturity of these instruments (Level 1). At December 31, 2020 and 2019, the net carrying amounts and fair values of other financial instruments were as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 ​ 2019 ​ Carrying Fair Carrying Fair ​ Amount Value Amount Value ​ ​ (in thousands) Assets: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Investments in direct financing leases – net ​ $ 10,764 ​ $ 10,764 $ 11,488 $ 11,488 Mortgage notes receivable – net ​ 885,313 ​ ​ 924,353 ​ ​ 773,563 ​ 819,083 Other investments – net ​ 467,442 ​ ​ 474,552 ​ ​ 419,228 ​ 412,934 Total ​ $ 1,363,519 ​ $ 1,409,669 ​ $ 1,204,279 ​ $ 1,243,505 Liabilities: ​ ​ ​ ​ Revolving line of credit ​ $ 101,158 ​ $ 101,158 $ 125,000 ​ $ 125,000 Term loan ​ ​ 2,275 ​ ​ 2,275 ​ ​ 2,275 ​ ​ 2,275 U.S. term loan ​ — ​ ​ — ​ ​ 348,878 ​ 350,000 Sterling term loan ​ 136,453 ​ ​ 136,700 ​ ​ 132,059 ​ 132,480 Omega OP term loan ​ 49,896 ​ ​ 50,000 ​ ​ 74,763 ​ 75,000 2015 term loan ​ — ​ ​ — ​ ​ 249,038 ​ 250,000 4.375% notes due 2023 – net ​ 696,981 ​ ​ 770,635 ​ ​ 695,812 ​ 749,693 4.95% notes due 2024 – net ​ 396,714 ​ ​ 441,194 ​ ​ 395,702 ​ 442,327 4.50% notes due 2025 – net ​ 396,924 ​ ​ 444,652 ​ ​ 396,163 ​ 430,529 5.25% notes due 2026 – net ​ 596,437 ​ ​ 697,993 ​ ​ 595,732 ​ 675,078 4.50% notes due 2027 – net ​ 690,909 ​ ​ 794,294 ​ ​ 689,445 ​ 759,475 4.75% notes due 2028 – net ​ 542,899 ​ ​ 633,950 ​ ​ 541,891 ​ 602,967 3.625% notes due 2029 – net ​ ​ 489,472 ​ ​ 532,248 ​ ​ 488,263 ​ ​ 500,792 3.375% notes due 2031 – net ​ ​ 681,802 ​ ​ 731,541 ​ ​ — ​ ​ — HUD mortgages – net ​ ​ 367,249 ​ ​ 409,004 ​ ​ 387,405 ​ ​ 379,866 Subordinated debt – net ​ 20,083 ​ ​ 21,599 ​ ​ 13,714 ​ 15,253 Total ​ $ 5,169,252 ​ $ 5,767,243 ​ $ 5,136,140 ​ $ 5,490,735 ​ Fair value estimates are subjective in nature and are dependent on a number of important assumptions, including estimates of future cash flows, risks, discount rates and relevant comparable market information associated with each financial instrument (see Note 2 – Summary of Significant Accounting Policies). The use of different market assumptions and estimation methodologies may have a material effect on the reported estimated fair value amounts. The following methods and assumptions were used in estimating fair value disclosures for financial instruments. ​ ● Direct financing leases: The fair value of the investments in direct financing leases are estimated using a discounted cash flow analysis, using interest rates being offered for similar leases to borrowers with similar credit ratings (Level 3). ● Mortgage notes receivable: The fair value of the mortgage notes receivables are estimated using a discounted cash flow analysis, using interest rates being offered for similar loans to borrowers with similar credit ratings (Level 3). ● Other investments: Other investments are primarily comprised of notes receivable. The fair values of notes receivable are estimated using a discounted cash flow analysis, using interest rates being offered for similar loans to borrowers with similar credit ratings (Level 3). ● Revolving line of credit, secured borrowing and term loans: The fair value of our borrowings under variable rate agreements are estimated using a present value technique based on expected cash flows discounted using the current market rates (Level 3). ● Senior notes and subordinated debt: The fair value of our borrowings under fixed rate agreements are estimated using a present value technique based on inputs from trading activity provided by a third party (Level 2). ● HUD mortgages: The fair value of our borrowings under HUD debt agreements are estimated using an expected present value technique based on quotes obtained by HUD debt brokers (Level 2).

TAXES

TAXES	12 Months Ended
	Dec. 31, 2020
Taxes [Abstract]
TAXES	NOTE 15 – TAXES Omega and Omega OP, including their wholly owned subsidiaries were organized, have operated, and intend to continue to operate in a manner that enables Omega to qualify for taxation as a REIT under Sections 856 through 860 of the Code. On a quarterly and annual basis we perform several analyses to test our compliance within the REIT taxation rules. If we fail to meet the requirements for qualification as a REIT in any tax year, we will be subject to federal income tax on our taxable income at regular corporate rates and may not be able to qualify as a REIT for the four We are also subject to federal taxation of 100% of the net income derived from the sale or other disposition of property, other than foreclosure property, that we held primarily for sale to customers in the ordinary course of a trade or business. We believe that we do not hold assets for sale to customers in the ordinary course of business and that none of the assets currently held for sale or that have been sold would be considered a prohibited transaction within the REIT taxation rules. As a REIT under the Code, we generally will not be subject to federal income taxes on the REIT taxable income that we distribute to stockholders, subject to certain exceptions. In 2020, 2019, and 2018, we distributed dividends in excess of our taxable income. We currently own stock in an entity that has elected to be taxed as a REIT. This subsidiary entity is required to individually satisfy all of the rules for qualification as a REIT. We have elected to treat certain of our active subsidiaries as TRSs. Our domestic TRSs are subject to federal, state and local income taxes at the applicable corporate rates. Our foreign TRSs are subject to foreign income taxes. As of December 31, 2020, one of our TRSs that is subject to income taxes at the applicable corporate rates had a net operating loss (“NOL”) carry-forward of approximately $5.7 million. Our NOL carry-forward was fully reserved as of December 31, 2020, with a valuation allowance due to uncertainties regarding realization. Under current law, our NOL carry-forwards generated up through December 31, 2017 may be carried forward for no more than 20 years, and our NOL carry-forwards generated in our taxable years ended December 31, 2020, December 31, 2019 and December 31, 2018 may be carried forward indefinitely. The Coronavirus Aid, Relief, and Economic Security Act (the “CARES Act”) modified the NOL carryback rules to limit recovery of taxes paid in prior tax periods. We do not anticipate that such changes will materially impact the computation of Omega’s taxable income, or the taxable income of any Omega entity, including our TRSs. We also do not expect that Omega or any Omega entity, including our TRSs, will realize a material tax benefit as a result of the changes to the provisions of the Code made by the CARES Act. The following is a summary of our provision for income taxes: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ 2020 2019 ​ 2018 ​ ​ (in millions) Provision for federal, state and local income taxes ​ $ 1.3 ​ $ 0.8 ​ $ 0.8 Provision for foreign income taxes ​ ​ 3.6 ​ ​ 2.0 ​ ​ 2.2 Total provision for income taxes (1) ​ $ 4.9 ​ $ 2.8 ​ $ 3.0 (1) The above amounts do not include income or franchise taxes payable to certain states and municipalities. ​ The following is a summary of deferred tax assets and liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ 2020 2019 ​ ​ (in thousands) Deferred tax assets: ​ ​ Federal net operating loss carryforward ​ $ 1,194 ​ $ 1,199 ​ ​ ​ ​ ​ ​ ​ Deferred tax liability: ​ ​ Foreign deferred tax liability (1) ​ (10,766) ​ (11,350) Valuation allowance on deferred tax asset ​ (1,194) ​ (1,199) Net deferred tax liability ​ $ (10,766) ​ $ (11,350) (1) The deferred tax liability primarily resulted from inherited basis differences resulting from our acquisition of entities in the U.K. Subsequent adjustments to these accounts result from GAAP to tax differences related to depreciation, indexation and revenue recognition. ​

STOCKHOLDERS EQUITY

STOCKHOLDERS EQUITY	12 Months Ended
	Dec. 31, 2020
Stockholders Equity [Abstract]
STOCKHOLDERS EQUITY	NOTE 16 – STOCKHOLDERS’ EQUITY Forward Equity Sales Agreement ​ In connection with a $300 million underwritten public offering, we entered into a forward equity sales agreement on September 9, 2019 to sell 7.5 million shares of our common stock at an initial net price of $40.01 per share, after underwriting discounts and commissions. On December 27, 2019, we settled the forward equity sale agreement by physical delivery of 7.5 million shares of common stock at $39.45 per share, net of dividends paid and interest received, for net proceeds of approximately $295.9 million. $200 Million Stock Repurchase Program On March 20, 2020, Omega’s Board of Directors authorized the repurchase of up to $200 million of its outstanding common stock from time to time over the twelve months ending March 20, 2021. We are authorized to repurchase shares of our common stock in open market and privately negotiated transactions or in any other manner as determined by Omega’s management and in accordance with applicable law. The timing and amount of stock repurchases will be determined, in management’s discretion, based on a variety of factors, including but not limited to market conditions, other capital management needs and opportunities, and corporate and regulatory considerations. Omega has no obligation to repurchase any amount of its common stock, and such repurchases, if any, may be discontinued at any time. Omega did not repurchase any of its outstanding common stock under this announced program during 2020. $500 Million Equity Shelf Program On September 3, 2015, we entered into separate Equity Distribution Agreements (collectively, the “Equity Shelf Agreements”) to sell shares of our common stock having an aggregate gross sales price of up to $500 million (the “2015 Equity Shelf Program”) with several financial institutions, each as a sales agent and/or principal (collectively, the “Managers”). Under the terms of the Equity Shelf Agreements, we may sell shares of our common stock, from time to time, through or to the Managers having an aggregate gross sales price of up to $500 million. Sales of the shares, if any, are made by means of ordinary brokers’ transactions on the New York Stock Exchange at market prices, or as otherwise agreed with the applicable Manager. We pay each Manager compensation for sales of the shares up to 2% of the gross sales price per share for shares sold through such Manager under the applicable Equity Shelf Agreements. The table below presents information regarding the shares issued under the Equity Shelf Program for each of the years ended December 31, 2018, 2019, and 2020: ​ ​ ​ ​ ​ ​ ​ ​ Shares issued Average Price Net Proceeds Year Ended (in millions) Per Share (in millions) December 31, 2018 2.3 $ 33.18 $ 75.5 December 31, 2019 3.1 ​ 34.79 ​ 109.0 December 31, 2020 4.2 ​ 36.16 ​ 152.6 ​ Dividend Reinvestment and Common Stock Purchase Plan We have a Dividend Reinvestment and Common Stock Purchase Plan (the “DRSPP”) that allows for the reinvestment of dividends and the optional purchase of our common stock. On March 23, 2020, we temporarily suspended the DRSPP and on December 17, 2020, we reinstated the DRSPP. The table below presents information regarding the shares issued under the DRSPP for each of the years ended December 31, 2018, 2019, and 2020: ​ ​ ​ ​ ​ ​ Shares issued Gross Proceeds Year Ended (in millions) (in millions) December 31, 2018 1.5 $ 46.8 December 31, 2019 3.0 ​ 115.1 December 31, 2020 0.1 ​ 3.7 ​ Common Dividends The Board of Directors has declared common stock dividends as set forth below: ​ ​ ​ ​ ​ ​ ​ Record ​ Payment ​ Dividend per Date Date Common Share January 31, 2020 ​ February 14, 2020 ​ $ 0.67 April 30, 2020 ​ May 15, 2020 ​ ​ 0.67 July 31, 2020 ​ August 14, 2020 ​ ​ 0.67 November 2, 2020 ​ November 16, 2020 ​ ​ 0.67 February 8, 2021 ​ February 16, 2021 ​ ​ 0.67 ​ Per Share Distributions Per share distributions by our Company were characterized in the following manner for income tax purposes (unaudited): ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, Common 2020 2019 2018 Ordinary income ​ $ 1.961 ​ $ 1.763 ​ $ 1.691 Return of capital ​ 0.654 ​ 0.591 ​ 0.931 Capital gains ​ 0.065 ​ 0.296 ​ 0.018 Total dividends paid ​ $ 2.680 ​ $ 2.650 ​ $ 2.640 ​ For additional information regarding dividends, see Note 15 – Taxes. Accumulated Other Comprehensive Loss The following is a summary of our accumulated other comprehensive loss, net of tax where applicable: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ As of and for the ​ ​ Year Ended December 31, ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 2019 2018 ​ ​ (in thousands) Foreign Currency Translation: ​ ​ ​ ​ Beginning balance ​ $ (35,100) ​ $ (47,704) ​ $ (26,033) Translation gain (loss) ​ 16,595 ​ 12,646 ​ (21,703) Realized gain (loss) ​ 78 ​ (42) ​ 32 Ending balance ​ (18,427) ​ (35,100) ​ (47,704) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Derivative Instruments: ​ ​ ​ Cash flow hedges: ​ ​ ​ Beginning balance ​ (2,369) ​ 3,994 ​ 1,463 Unrealized gain (loss) ​ 34,712 ​ (7,071) ​ 2,593 Realized (loss) gain (1) ​ (14,625) ​ 708 ​ (62) Ending balance ​ 17,718 ​ (2,369) ​ 3,994 Net investment hedge: ​ ​ ​ Beginning balance ​ (4,420) ​ 70 ​ (7,070) Unrealized (loss) gain ​ (8,911) ​ (4,490) ​ 7,140 Ending balance ​ (13,331) ​ (4,420) ​ 70 Total accumulated other comprehensive loss before noncontrolling interest ​ (14,040) ​ (41,889) ​ (43,640) Add: portion included in noncontrolling interest ​ 1,272 ​ 2,031 ​ 1,988 Total accumulated other comprehensive loss for Omega ​ $ (12,768) ​ $ (39,858) ​ $ (41,652) (1) Recorded in interest expense and loss on debt extinguishment on the Consolidated Statements of Operations. ​

STOCK-BASED COMPENSATION

STOCK-BASED COMPENSATION	12 Months Ended
	Dec. 31, 2020
Stock-Based Compensation [Abstract]
STOCK-BASED COMPENSATION	NOTE 17 – STOCK-BASED COMPENSATION Time Based Restricted Equity Awards Restricted stock, restricted stock units (“RSUs”) and profits interest units (“PIUs”) are subject to forfeiture if the holder’s service to us terminates prior to vesting, subject to certain exceptions for certain qualifying terminations of service or a change in control of the Company. Prior to vesting, ownership of the shares/units cannot be transferred. The restricted stock has the same dividend and voting rights as our common stock. RSUs accrue dividend equivalents but have no voting rights. PIUs accrue distributions, which are equivalent to dividend equivalents, but have no voting rights. Once vested, each RSU is settled by the issuance of one share of Omega common stock and each PIU is settled by the issuance of one partnership unit in Omega OP (“Omega OP Unit”), subject to certain conditions. Restricted stock and RSUs are valued at the price of our common stock on the date of grant. The PIUs are valued using a Monte Carlo model to estimate fair value. We expense the cost of these awards ratably over their vesting period. Performance Based Restricted Equity Awards Performance-based restricted equity awards include performance restricted stock units (“PRSUs”) and PIUs. PRSUs and PIUs are subject to forfeiture if the performance requirements are not achieved or if the holder’s service to us terminates prior to vesting, subject to certain exceptions for certain qualifying terminations of employment or a change in control of the Company. PRSUs and PIUs have varying degrees of performance requirements to achieve vesting, and each PRSU and PIU award represents the right to a variable number of shares of common stock or partnership units. Each PIU once earned is convertible into one Omega OP Unit in Omega OP, subject to certain conditions. The vesting requirements are based on either the (i) total shareholder return (“TSR”) of Omega or (ii) Omega’s TSR relative to other real estate investment trusts in the FTSE NAREIT Equity Health Care Index (“Relative TSR”). We expense the cost of these awards ratably over their service period. Prior to vesting and the distribution of shares or Omega OP Units, ownership of the PRSUs or PIUs cannot be transferred. Dividend equivalents on the PRSUs are accrued and paid to the extent the applicable performance requirements are met. While each PIU is unearned, the employee receives a partnership distribution equal to 10% of the quarterly approved regular periodic distributions per Omega OP Unit. Partnership distributions (which in the case of normal periodic distributions is equal to the total approved quarterly dividend on Omega’s common stock), less the 10% already paid, on the PIUs accumulate, and if the PIUs are earned, the accumulated distributions are paid. We used a Monte Carlo model to estimate the fair value for the PRSUs and PIUs granted to the employees. The following are the significant assumptions used in estimating the value of the awards for grants made on the following dates: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ January 1, ​ January 1, ​ January 1, ​ 2018 2019 ​ 2020 Closing price on date of grant ​ $ 27.54 ​ ​ ​ ​ $ 35.15 ​ ​ ​ ​ $ 42.35 ​ ​ ​ ​ Dividend yield ​ 9.44 % ​ ​ ​ ​ 7.51 % ​ ​ ​ ​ 6.33 % ​ ​ ​ Risk free interest rate at time of grant ​ 1.60 % to 2.05 % ​ 2.45 % to 2.57 % ​ 1.63 % to 1.68 % Expected volatility ​ 21.03 % to 23.24 % ​ 21.78 % to 22.76 % ​ 21.26 % to 21.97 % ​ The following table summarizes the activity in restricted stock, RSUs, PRSUs, and PIUs for the years ended December 31, 2018, 2019 and 2020: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Time Based ​ Performance Based ​ ​ ​ ​ Weighted - ​ Weighted - Total ​ ​ Number of ​ Average Grant- ​ Number of ​ Average Grant- ​ Compensation ​ ​ Shares/Omega ​ Date Fair Value ​ Shares/Omega ​ Date Fair Value ​ Cost (1) ​ OP Units per Share ​ OP Units per Share (in millions) Non-vested at December 31, 2017 337,509 ​ ​ 32.78 ​ 1,360,780 ​ ​ 14.82 ​ ​ Granted during 2018 217,717 ​ 28.19 ​ 1,012,032 ​ 10.40 ​ $ 16.60 Cancelled during 2018 (5,941) ​ 30.82 ​ — ​ — ​ Forfeited during 2018 ​ — ​ ​ — ​ (203,380) ​ ​ 11.82 ​ ​ ​ Vested during 2018 (190,412) ​ 33.89 ​ — ​ — ​ Non-vested at December 31, 2018 358,873 ​ ​ 29.44 ​ 2,169,432 ​ ​ 13.04 ​ Granted during 2019 160,158 ​ 35.20 ​ 822,584 ​ 14.80 ​ $ 17.82 Cancelled during 2019 (32,376) ​ 30.38 ​ (125,885) ​ 14.57 ​ Vested during 2019 (188,063) ​ 31.01 ​ (465,044) ​ 15.89 ​ Non-vested at December 31, 2019 298,592 ​ ​ 31.44 ​ 2,401,087 ​ ​ 13.01 ​ Granted during 2020 158,572 ​ 39.88 ​ 1,208,537 ​ 17.11 ​ $ 27.00 Cancelled during 2020 (2,006) ​ 42.05 ​ (54,076) ​ 16.52 ​ Vested during 2020 (2) (184,480) ​ 29.28 ​ (658,052) ​ 14.85 ​ Non-vested at December 31, 2020 270,678 ​ $ 37.78 ​ 2,897,496 ​ $ 14.24 ​ (1) Total compensation cost to be recognized on the awards based on grant date fair value (2) PRSUs are shown as vesting in the year that the Compensation Committee determines the level of achievement of the applicable performance measures As of December 31, 2020, unrecognized compensation costs related to unvested awards to employees is as follows: ● $4.6 million on RSUs and PIUs expected to be recognized over a weighted average period of approximately 36 months . ● $10.5 million on TSR PRSUs and PIUs expected to be recognized over a weighted average period of approximately 48 months . ● $12.1 million on Relative TSR PRSUs and PIUs expected to be recognized over a weighted average period of approximately 48 months . In addition, we have a deferred stock compensation plan that allows employees and directors the ability to defer the receipt of stock awards (units). The deferred stock awards (units) participate in future dividend equivalents as well as the change in the value of the Company’s common stock. As of December 31, 2020 and 2019, the Company had 537,236 and 459,389 deferred stock units outstanding. Tax Withholding for Stock Compensation Plans Stock withheld to pay tax withholdings for equity instruments granted under stock-based payment arrangements for the years ended December 31, 2020, 2019 and 2018, was $4.7 million, $4.8 million and $1.7 million, respectively. Shares Available for Issuance for Compensation Purposes On June 8, 2018, at the Annual Meeting of Stockholders, our stockholders approved the 2018 Stock Incentive Plan (the “2018 Plan”), which amended and restated the Company’s 2013 Stock Incentive Plan (the “2013 Plan”). The 2018 Plan is a comprehensive incentive compensation plan that allows for various types of equity-based compensation, including RSUs (including PRSUs), stock awards (including restricted stock), deferred restricted stock units, incentive stock options, non-qualified stock options, stock appreciation rights, dividend equivalent rights, performance unit awards, certain cash-based awards (including performance-based cash awards), PIUs and other stock-based awards. The 2018 Plan increased the number of shares of common stock available for issuance under the 2013 Plan by 4.5 million. As of December 31, 2020, approximately 3.2 million shares of common stock were reserved for issuance to our employees, directors and consultants under our stock incentive plans.

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES	12 Months Ended
	Dec. 31, 2020
COMMITMENTS AND CONTINGENCIES [Abstract]
COMMITMENTS AND CONTINGENCIES	NOTE 18 – COMMITMENTS AND CONTINGENCIES Litigation The Company and certain of its officers, C. Taylor Pickett, Robert O. Stephenson, and Daniel J. Booth Certain derivative actions have also been brought against the officers named in the Securities Class Action, and certain current and former directors of the Company, alleging claims relating to the matters at issue in the Securities Class Action. These derivative actions are currently stayed pending certain developments in the Securities Class Action. In 2018, Stourbridge Investments LLC, a purported stockholder of the Company, filed a derivative action purportedly on behalf of the Company in the United States District Court for the Southern District of New York, alleging violations of Section 14(a) of the Exchange Act and state-law claims including breach of fiduciary duty. The complaint alleges, among other things, that the named defendants are responsible for the Company’s failure to disclose the financial condition of Orianna Health Systems, the alleged non-disclosures that are also the subject of the Securities Class Action described above. The plaintiff did not make a demand on the Company to bring the action prior to filing it, but rather alleges that demand would have been futile. The case has been stayed pending the entry of judgement or a voluntary dismissal with prejudice in the Securities Class Action. In 2019, purported stockholder Phillip Swan by his counsel, and stockholders Tom Bradley and Sarah Smith by their counsel, filed derivative actions in the Baltimore City Circuit Court of Maryland, purportedly on behalf of the Company, asserting claims for breach of fiduciary duty, waste of corporate assets and unjust enrichment against the named defendants. Those actions have been consolidated and stayed in the Maryland court pending completion of fact discovery in the Securities Class Action. Prior to filing suit, each of these stockholders had made demands on the Board of Directors in 2018 that the Company bring such lawsuits. After an investigation and due consideration, and in the exercise of its business judgment, the Board determined that it is not in the best interests of the Company to commence litigation against any current or former officers or directors based on the matters raised in the demands. In addition, in late 2020, Robert Wojcik, a purported shareholder of the Company, filed a derivative action in the U.S. District Court for the District of Maryland, purportedly on behalf of the Company, asserting violations of Section 14(a) of the Exchange Act, Sections 10(b) and 21D of the Exchange Act, as well as claims for breach of fiduciary duty, unjust enrichment, abuse of control, gross mismanagement, and waste of corporate assets. Wojcik also did not make a demand on the Company prior to filing suit. The case has been stayed pending the entry of judgement or a voluntary dismissal with prejudice in the Securities Class Action. Other In September 2016, MedEquities received a Civil Investigative Demand (“CID”) from the U.S. Department of Justice (“DOJ”), which indicates that it is conducting an investigation regarding alleged violations of the False Claims Act, Stark Law and Anti-Kickback Statute in connection with claims that may have been submitted to Medicare and other federal payors for services rendered to patients at Lakeway Hospital or by providers with financial relationships with Lakeway Hospital. As a result of the acquisition of MedEquities, the Company owns a 51% interest in an unconsolidated partnership that owns Lakeway Hospital (the “Lakeway Realty, L.L.C.”). The CID requested certain documents and information related to the acquisition and ownership of Lakeway Hospital through Lakeway Realty, L.L.C.. The Company has learned that the DOJ is investigating MedEquities’ conduct in connection with its investigation of financial relationships related to Lakeway Hospital, including allegations by the DOJ that these relationships violate and continue to violate the Anti-Kickback Statute and, as a result, related claims submitted to federal payors violated and continue to violate the False Claims Act. The Company is cooperating fully with the DOJ in connection with the CID and has produced all of the information that has been requested to date. On September 29, 2020 the Department of Justice announced it had reached a settlement of a False Claims Act case with Lakeway Regional Medical Center wherein Lakeway Regional Medical Center agreed to pay $1.1 million for inducing certain physicians to refer patients by offering a low risk and high return investment in the form of a joint venture to purchase and then lease back the hospital to Lakeway Regional Medical Center. A MedEquities subsidiary was a party to this transaction but was not included in settlement discussions. The documents relating to the settlement are not publicly available. The Company believes that the acquisition, ownership and leasing of Lakeway Hospital through the Lakeway Partnership was and is in compliance with all applicable laws. However, due to the uncertainties surrounding this matter and its ultimate outcome, we are unable to determine whether it is probable that any loss has been incurred. ​ In addition, we are subject to various other legal proceedings, claims and other actions arising out of the normal course of business. While any legal proceeding or claim has an element of uncertainty, management believes that the outcome of each lawsuit, claim or legal proceeding that is pending or threatened, or all of them combined, will not have a material adverse effect on our consolidated financial position or results of operations. Indemnification Agreements In connection with certain facility transitions, we have agreed to indemnify certain operators in certain events. As of December 31, 2020, our maximum funding commitment under these indemnification agreements was approximately $12.6 million. Claims under these indemnification agreements may be made within 18 months to 72 months of the transition date. These indemnification agreements were provided to certain operators in connection with facility transitions and generally would be applicable in the event that the prior operators do not perform under their transition agreements. The Company does not expect to fund a material amount under these indemnification agreements. Commitments We have committed to fund the construction of new leased and mortgaged facilities, capital improvements and other commitments. We expect the funding of these commitments to be completed over the next several years. Our remaining commitments at December 31, 2020, are outlined in the table below (in thousands): ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total commitments $ 557,119 ​ ​ Amounts funded to date (1) ​ (450,766) ​ ​ Remaining commitments (2) ​ $ 106,353 ​ ​ (1) Includes finance costs. (2) This amount excludes our remaining commitments to fund under our other investments of approximately $95.7 million. ​ Environmental Matters As of December 31, 2020 and 2019, we had identified conditional asset retirement obligations primarily related to the future removal and disposal of asbestos that is contained within certain of our real estate investment properties. The asbestos is appropriately contained, and we believe we are compliant with current environmental regulations. If these properties undergo major renovations or are demolished, certain environmental regulations are in place, which specify the manner in which asbestos must be handled and disposed. We are required to record the fair value of these conditional liabilities if they can be reasonably estimated. As of December 31, 2020 and 2019, no liability for conditional asset retirement obligations was recorded on our accompanying Consolidated Balance Sheets.

SUPPLEMENTAL DISCLOSURE TO CONS

SUPPLEMENTAL DISCLOSURE TO CONSOLIDATED STATEMENTS OF CASH FLOWS	12 Months Ended
	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
SUPPLEMENTAL DISCLOSURE TO CONSOLIDATED STATEMENTS OF CASH FLOWS	NOTE 19 – SUPPLEMENTAL DISCLOSURE TO CONSOLIDATED STATEMENTS OF CASH FLOWS The following are supplemental disclosures to the consolidated statements of cash flows for the years ended December 31, 2020, 2019 and 2018: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, ​ 2020 2019 2018 ​ (in thousands) Reconciliation of cash and cash equivalents and restricted cash: ​ ​ ​ ​ ​ ​ ​ ​ ​ Cash and cash equivalents ​ $ 163,535 $ 24,117 $ 10,300 Restricted cash ​ 4,023 ​ 9,263 ​ 1,371 Cash, cash equivalents and restricted cash at end of year ​ $ 167,558 ​ $ 33,380 ​ $ 11,671 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Supplemental information: ​ ​ ​ Interest paid during the year, net of amounts capitalized ​ $ 216,206 ​ $ 205,943 ​ $ 211,863 Taxes paid during the year ​ $ 6,974 ​ $ 5,097 ​ $ 4,772 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Non cash investing activities ​ ​ ​ Non cash acquisition of business (See Note 3) ​ $ (1,826) ​ $ (566,966) ​ $ — Non cash acquisition of real estate (See Note 3) ​ ​ — ​ ​ (531,801) ​ ​ (185,592) Non cash proceeds from sale of real estate investments (See Note 3 and Note 5) ​ 83,910 ​ ​ — ​ ​ 53,118 Non cash placement of mortgage principal (See Note 3 and Note 5) ​ ​ (86,936) ​ ​ — ​ ​ — Non cash surrender of mortgage (See Note 3) ​ — ​ 11,874 ​ — Non cash investment in other investments (See Note 6) ​ (121,139) ​ (27,408) ​ (16,153) Non cash proceeds from other investments (See Note 3 and Note 6) ​ 68,025 ​ 149,542 ​ 7,000 Non cash settlement of direct financing lease (See Note 3) ​ ​ — ​ 4,970 ​ 184,462 Initial non cash right of use asset - ground leases ​ ​ — ​ ​ 5,593 ​ ​ — Initial non cash lease liability - ground leases ​ ​ — ​ ​ (5,593) ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Non cash financing activities ​ ​ ​ ​ ​ Debt assumed in merger (see Note 3) ​ $ — ​ $ 285,100 ​ $ — Stock exchanged in merger (see Note 3) ​ ​ — ​ ​ 281,865 ​ ​ — Acquisition of other long term borrowings (see Note 13) ​ ​ — ​ ​ 388,627 ​ ​ — Non cash disposition of other long-term borrowings (see Note 13) ​ — ​ ​ — ​ ​ (53,118) Non cash borrowing (repayment) of other long term debt (see Note 13) ​ ​ 6,459 ​ ​ (6,459) ​ ​ — Change in fair value of cash flow hedges ​ 19,788 ​ (7,757) ​ 2,531 Remeasurement of debt denominated in a foreign currency ​ ​ 8,911 ​ 4,490 ​ (7,140) ​

EARNINGS PER SHARE

EARNINGS PER SHARE	12 Months Ended
	Dec. 31, 2020
Earnings per Share [Abstract]
EARNINGS PER SHARE	NOTE 20 - EARNINGS PER SHARE The following tables set forth the computation of basic and diluted earnings per share: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, ​ 2020 2019 2018 ​ ​ (in thousands, except per share amounts) Numerator: ​ ​ ​ ​ Net income ​ $ 163,545 ​ $ 351,947 ​ $ 293,884 Deduct: net income attributable to noncontrolling interests ​ (4,218) ​ (10,824) ​ (12,306) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Net income available to common stockholders ​ $ 159,327 ​ $ 341,123 ​ $ 281,578 Denominator: ​ ​ ​ Denominator for basic earnings per share ​ 227,741 ​ 213,404 ​ 200,279 Effect of dilutive securities: ​ ​ ​ Common stock equivalents ​ 1,239 ​ 1,753 ​ 691 Net forward share contract ​ ​ — ​ ​ 179 ​ ​ — Noncontrolling interest – Omega OP Units ​ 6,124 ​ 6,789 ​ 8,741 Denominator for diluted earnings per share ​ 235,104 ​ 222,125 ​ 209,711 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Earnings per share - basic: ​ ​ ​ Net income available to common stockholders ​ $ 0.70 ​ $ 1.60 ​ $ 1.41 Earnings per share – diluted: ​ ​ ​ Net income ​ $ 0.70 ​ $ 1.58 ​ $ 1.40 ​ In September 2019, we entered into a forward equity sales agreement to sell up to an aggregate of 7.5 million shares of our common stock at an initial net price of $40.01 per share, after underwriting discounts and commissions. On December 27, 2019, we completed the forward equity sale and issued the 7.5 million shares of common stock at a net price of $39.45 per share, and received approximately $295.9 million of net proceeds. See Note 16 – Stockholders’ Equity – Forward Equity Sales Agreement. The shares issuable prior to settlement of the forward equity sales agreement are reflected in the diluted earnings per share calculations using the treasury stock method. Under this method, the number of our common shares used in calculating diluted earnings per share is deemed to be increased by the excess, if any, of the number of common shares that would be issued upon full physical settlement of the forward equity sales agreement over the number of common shares that could be purchased by us in the market (based on the average market price during the period) using the proceeds receivable upon full physical settlement (based on the adjusted forward sale price at the end of the reporting period).

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS	12 Months Ended
	Dec. 31, 2020
SUBSEQUENT EVENTS
SUBSEQUENT EVENTS	NOTE 21 – SUBSEQUENT EVENTS ​ On January 20, 2021, we acquired 24 senior living facilities from Healthpeak Properties, Inc. for $510 million. The acquisition involved the assumption of an in-place master lease with Brookdale Senior Living. The master lease provides for 2021 contractual rent of approximately $43.5 million , and includes 24 facilities representing 2,552 operating units located in Arizona ( 1 ), California ( 1 ), Florida ( 1 ), Illinois ( 1 ), New Jersey ( 1 ), Oregon ( 6 ), Pennsylvania ( 1 ), Tennessee ( 1 ), Texas ( 6 ), Virginia ( 1 ) and Washington ( 4 ). In February 2021, we sold 16 facilities for approximately $149.6 million in cash proceeds and recorded a gain on sale of approximately $94.4 million. These 16 facilities were held for sale as of December 31, 2020 with a carrying value of approximately $49.3 million.

SCHEDULE II - VALUATION AND QUA

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS	12 Months Ended
	Dec. 31, 2020
Valuation and Qualifying Accounts [Abstract]
VALUATION AND QUALIFYING ACCOUNTS	SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (in thousands) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Balance at Charged to ​ Balance at ​ ​ Beginning of ​ Provision ​ Deductions or ​ End of Description ​ Period ​ Accounts ​ Other (1) ​ Period Year Ended December 31, 2019: ​ ​ ​ ​ Allowance for doubtful accounts: ​ ​ ​ ​ Contractual receivables (2) ​ $ 1,075 ​ $ — ​ $ 1,075 ​ $ — Mortgage notes receivable ​ 4,905 ​ — ​ — ​ 4,905 Direct financing leases ​ 103,200 ​ 7,917 ​ 110,900 ​ 217 Total ​ $ 109,180 ​ $ 7,917 ​ $ 111,975 ​ $ 5,122 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, 2018: ​ ​ ​ ​ Allowance for doubtful accounts: ​ ​ ​ ​ Contractual receivables ​ $ 8,463 ​ $ (4,226) ​ $ 3,162 ​ $ 1,075 Other receivables and lease inducements ​ ​ — ​ ​ 10,962 ​ ​ 10,962 ​ ​ — Mortgage notes receivable ​ 4,905 ​ — ​ — ​ 4,905 Other investments ​ 373 ​ (47) ​ 326 ​ — Direct financing leases ​ ​ 172,172 ​ 27,168 ​ 96,140 ​ 103,200 Total ​ $ 185,913 ​ $ 33,857 ​ $ 110,590 ​ $ 109,180 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ (1) Uncollectible accounts written off, net of recoveries or adjustments. (2) The Company adopted Topic 842 on January 1, 2019. As a result of this adoption, lease related receivables are written off through rental income, as opposed to the provision account. As such, our lease receivables are no longer considered in the valuation and qualifying accounts. ​ The Company adopted Topic 326 on January 1, 2020. As a result of this adoption, we have disclosed a rollforward of our allowance for credit loss for 2020 in Note 2 – Summary of Significant Accounting Policies

SCHEDULE III - REAL ESTATE AND

SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION	12 Months Ended
	Dec. 31, 2020
SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]
REAL ESTATE AND ACCUMULATED DEPRECIATION	SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION (in thousands) December 31, 2020 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Gross Amount at ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Initial Cost to ​ Cost Capitalized ​ Which Carried at ​ ​ ​ ​ ​ ​ ​ ​ Life on Which ​ ​ Company ​ Subsequent to ​ Close of Period (3) (5) ​ ​ ​ ​ ​ ​ ​ ​ Depreciation ​ ​ ​ ​ ​ ​ ​ ​ Acquisition ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ (4) ​ ​ ​ (7) ​ in Latest ​ ​ ​ ​ ​ Buildings and ​ ​ ​ ​ Carrying ​ (6) ​ ​ ​ ​ Buildings and ​ ​ ​ ​ Accumulated ​ Date of ​ Date ​ Income Statements Description (1) Encumbrances Land Improvements Improvements Cost Other Land Improvements Total Depreciation Construction Acquired is Computed Consulate Health Care: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Florida (ALF, SNF) (2) $ 57,250 ​ $ 558,604 ​ $ 3,709 ​ $ — ​ $ — ​ $ 57,250 ​ $ 562,313 ​ $ 619,563 ​ $ 62,120 1950 - 2000 1993 - 2019 25 years to 37 years Louisiana (SNF) (2) 1,751 ​ 25,249 ​ — ​ — ​ ​ — ​ ​ 1,751 ​ ​ 25,249 ​ ​ 27,000 ​ ​ 1,558 ​ 1962 - 1988 ​ 2019 ​ 25 years Mississippi (SNF) (2) ​ 3,548 ​ ​ 56,618 ​ ​ — ​ ​ — ​ ​ — ​ ​ 3,548 ​ ​ 56,618 ​ ​ 60,166 ​ ​ 3,432 ​ 1965 - 1974 ​ 2019 ​ 25 years North Carolina (SNF) (2) ​ 7,126 ​ ​ 94,113 ​ ​ — ​ ​ — ​ ​ (711) ​ ​ 7,126 ​ ​ 93,402 ​ ​ 100,528 ​ ​ 17,019 ​ 1969 - 1995 ​ 2010 - 2019 ​ 25 years to 36 years Pennsylvania (ALF, ILF, SNF) ​ ​ 8,361 ​ ​ 82,661 ​ ​ — ​ ​ — ​ ​ — ​ ​ 8,361 ​ ​ 82,661 ​ ​ 91,022 ​ ​ 6,385 ​ 1964 - 1999 ​ 2019 ​ 25 years Virginia (SNF) ​ ​ 1,588 ​ ​ 39,215 ​ ​ — ​ ​ — ​ ​ — ​ ​ 1,588 ​ ​ 39,215 ​ ​ 40,803 ​ ​ 3,099 ​ 1967 - 1975 ​ 2019 ​ 25 years Total Consulate Health Care: ​ $ 79,624 ​ $ 856,460 ​ $ 3,709 ​ $ — ​ $ (711) ​ $ 79,624 ​ $ 859,458 ​ $ 939,082 ​ $ 93,613 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Maplewood Real Estate Holdings, LLC: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Connecticut (ALF) ​ $ 25,063 ​ $ 254,085 ​ $ 6,959 ​ $ — ​ $ — ​ $ 25,063 ​ $ 261,044 ​ $ 286,107 ​ $ 45,699 1968 - 2019 2010 - 2017 30 years to 33 years Massachusetts (ALF, SNF) ​ 19,041 ​ 113,728 ​ 15,964 ​ — ​ (680) ​ 19,041 ​ 129,012 ​ 148,053 ​ 28,582 1988 - 2017 2014 30 years to 33 years New Jersey (ALF) ​ 10,673 ​ — ​ 23,870 ​ 826 ​ — ​ 10,673 ​ 24,696 ​ 35,369 ​ — N/A 2019 N/A New York (ALF) ​ 118,606 ​ — ​ 173,571 ​ 40,543 ​ — ​ 118,606 ​ 214,114 ​ 332,720 ​ 3,129 2020 2015 25 years Ohio (ALF) ​ 3,683 ​ 27,628 ​ 73 ​ — ​ — ​ 3,683 ​ 27,701 ​ 31,384 ​ 5,735 1999 - 2016 2013 - 2014 30 years to 33 years Total Maplewood Real Estate Holdings, LLC ​ $ 177,066 ​ $ 395,441 ​ $ 220,437 ​ $ 41,369 ​ $ (680) ​ $ 177,066 ​ $ 656,567 ​ $ 833,633 ​ $ 83,145 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Saber Health Group: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Florida (SNF) ​ $ 423 ​ $ 4,422 ​ $ 283 ​ $ — ​ $ — ​ $ 423 ​ $ 4,705 ​ $ 5,128 ​ $ 1,269 2009 2011 33 years North Carolina (SNF) ​ 11,978 ​ 129,432 ​ 3,806 ​ — ​ — ​ 11,978 ​ 133,238 ​ 145,216 ​ 29,194 1965 - 2019 2016 - 2019 25 years to 30 years Ohio (SNF) ​ 3,028 ​ 82,070 ​ 5,422 ​ — ​ (268) ​ 3,028 ​ 87,224 ​ 90,252 ​ 20,059 1979 - 2000 2011 - 2016 30 years to 33 years Pennsylvania (SNF) ​ 6,328 ​ 104,222 ​ 3,958 ​ — ​ — ​ 6,328 ​ 108,180 ​ 114,508 ​ 23,810 1873 - 2002 2007 - 2011 33 years Virginia (SNF, ALF) ​ 19,678 ​ 182,438 ​ 6,294 ​ — ​ (285) ​ 19,678 ​ 188,447 ​ 208,125 ​ 24,475 1964 - 2017 ​ 2013 - 2020 ​ 25 years to 30 years Total Saber Health Group ​ $ 41,435 ​ $ 502,584 ​ $ 19,763 ​ $ — ​ $ (553) ​ $ 41,435 ​ $ 521,794 ​ $ 563,229 ​ $ 98,807 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Agemo Holdings, LLC: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Florida (SNF) ​ $ 12,311 ​ $ 148,949 ​ $ 32,413 ​ $ 1,468 ​ $ — ​ $ 12,311 ​ $ 182,830 ​ $ 195,141 ​ $ 60,107 1940 - 2020 1996 - 2016 3 years to 39 years Georgia (SNF) ​ 3,833 ​ 10,847 ​ 3,949 ​ — ​ — ​ 3,833 ​ 14,796 ​ 18,629 ​ 11,321 1964 - 1970 2007 20 years Kentucky (SNF) ​ 12,893 ​ 79,825 ​ 3,422 ​ — ​ — ​ 12,893 ​ 83,247 ​ 96,140 ​ 30,560 1964 - 1980 1999 - 2016 20 years to 33 years Maryland (SNF) ​ 1,480 ​ 19,663 ​ 1,183 ​ — ​ — ​ 1,480 ​ 20,846 ​ 22,326 ​ 9,922 1959 - 1977 2010 29 years to 30 years Tennessee (ALF, SNF) ​ ​ 7,664 ​ ​ 179,849 ​ ​ — ​ ​ — ​ ​ — ​ ​ 7,664 ​ ​ 179,849 ​ ​ 187,513 ​ ​ 36,829 ​ 1966 - 2016 2014 - 2016 25 years to 30 years Total Agemo Holdings, LLC ​ $ 38,181 ​ $ 439,133 ​ $ 40,967 ​ $ 1,468 ​ $ — ​ $ 38,181 ​ $ 481,568 ​ $ 519,749 ​ $ 148,739 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ CommuniCare Health Services, Inc.: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Indiana (SNF) ​ $ 20,737 ​ $ 208,944 ​ $ 888 ​ $ — ​ $ 6,093 ​ $ 20,737 ​ $ 215,925 ​ $ 236,662 ​ $ 35,039 1963 - 2015 2013 - 2020 20 years to 30 years Maryland (SNF) ​ 7,190 ​ 74,029 ​ 4,803 ​ — ​ — ​ 7,190 ​ 78,832 ​ 86,022 ​ 27,810 1921 - 1985 2010 - 2011 25 years to 30 years Ohio (SNF, BHP) ​ 1,829 ​ 17,878 ​ 16,230 ​ 345 ​ (2,662) ​ 1,829 ​ 31,791 ​ 33,620 ​ 4,158 1979 - 2020 ​ 2005 - 2018 ​ 30 years to 39 years Pennsylvania (SNF) ​ 1,753 ​ 18,533 ​ 11,299 ​ — ​ — ​ 1,753 ​ 29,832 ​ 31,585 ​ 16,628 1950 - 1964 2005 39 years Virginia (SNF) ​ ​ 2,408 ​ ​ 10,757 ​ ​ 1,254 ​ ​ — ​ ​ — ​ ​ 2,408 ​ ​ 12,011 ​ ​ 14,419 ​ ​ 1,674 ​ 1979 2018 30 years West Virginia (SNF) ​ 450 ​ 14,759 ​ 184 ​ — ​ — ​ 450 ​ 14,943 ​ 15,393 ​ 4,496 1963 2011 35 years Total CommuniCare Health Services, Inc. ​ $ 34,367 ​ $ 344,900 ​ $ 34,658 ​ $ 345 ​ $ 3,431 ​ $ 34,367 ​ $ 383,334 ​ $ 417,701 ​ $ 89,805 ​ ​ ​ ​ ​ SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION — continued (in thousands) December 31, 2020 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Gross Amount at ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Initial Cost to ​ Cost Capitalized ​ Which Carried at ​ ​ ​ ​ ​ ​ ​ ​ Life on Which ​ ​ Company ​ Subsequent to ​ Close of Period (3) (5) ​ ​ ​ ​ ​ ​ ​ ​ Depreciation ​ ​ ​ ​ ​ ​ ​ ​ Acquisition ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ (6) ​ ​ ​ (7) ​ in Latest ​ ​ ​ ​ ​ Buildings and ​ ​ ​ ​ Carrying ​ (6) ​ ​ ​ ​ Buildings and ​ ​ ​ ​ Accumulated ​ Date of ​ Date ​ Income Statements Description (1) Land Improvements Improvements Cost Other Land Improvements Total Depreciation Construction Acquired is Computed Other: ​ ​ ​ ​ ​ ​ ​ ​ ​ Alabama (SNF) ​ $ 1,817 ​ $ 33,356 ​ $ 12,916 ​ $ — ​ $ — ​ $ 1,817 ​ $ 46,272 ​ $ 48,089 ​ $ 38,527 1960 - 1982 1992 - 1997 31 years to 33 years Arizona (ALF, SNF) ​ 10,737 ​ 86,537 ​ 488 ​ — ​ — ​ 10,737 ​ 87,025 ​ 97,762 ​ 22,325 1949 - 1999 2005 - 2014 33 years to 40 years Arkansas (ALF, SNF) 2,893 ​ 59,094 ​ 8,516 ​ — ​ (36) ​ 2,893 ​ 67,574 ​ 70,467 ​ 38,280 1967 - 1988 1992 - 2014 25 years to 31 years California (ALF, SH, SNF, TBI) ​ 86,015 ​ 460,611 ​ 5,095 ​ — ​ (599) ​ 86,015 ​ 465,107 ​ 551,122 ​ 107,122 1938 - 2013 1997 - 2015 5 years to 35 years Colorado (ILF, SNF) ​ 11,279 ​ 88,830 ​ 7,791 ​ — ​ — ​ 11,279 ​ 96,621 ​ 107,900 ​ 44,818 1925 - 1975 1998 - 2016 20 years to 39 years Connecticut (SNF) ​ 1,390 ​ 6,196 ​ — ​ — ​ — ​ 1,390 ​ 6,196 ​ 7,586 ​ 688 1991 2017 25 years Florida (ALF, SNF) ​ 53,683 ​ 527,086 ​ 13,016 ​ — ​ (12,968) ​ 52,743 ​ 528,074 ​ 580,817 ​ 195,254 1933 - 2019 1994 - 2017 2 years to 40 years Georgia (ALF, SNF) ​ 3,740 ​ 47,689 ​ 769 ​ — ​ — ​ 3,740 ​ 48,458 ​ 52,198 ​ 12,080 1967 - 1997 1998 - 2016 30 years to 40 years Idaho (SNF) ​ 6,205 ​ 61,203 ​ 1,763 ​ — ​ (13,922) ​ 6,205 ​ 49,044 ​ 55,249 ​ 18,181 1920 - 2008 1997 - 2014 25 years to 39 years Indiana (ALF, ILF, IRF, MOB, SH, SNF) ​ 27,792 ​ 376,542 ​ 435 ​ — ​ (1,841) ​ 27,771 ​ 375,157 ​ 402,928 ​ 123,502 1942 - 2008 1992 - 2018 20 years to 40 years Iowa (ALF, SNF) ​ 2,343 ​ 59,310 ​ — ​ — ​ — ​ 2,343 ​ 59,310 ​ 61,653 ​ 16,245 1961 - 1998 2010 - 2014 23 years to 33 years Kansas (SNF) ​ 4,153 ​ 43,482 ​ 14,218 ​ — ​ (4,850) ​ 4,092 ​ 52,911 ​ 57,003 ​ 17,999 1957 - 1977 2005 - 2011 25 years Kentucky (ALF, SNF) ​ 3,193 ​ 55,267 ​ 3,502 ​ — ​ — ​ 3,193 ​ 58,769 ​ 61,962 ​ 14,809 1969 - 2002 2014 33 years Louisiana (SNF) ​ 4,925 ​ 52,869 ​ 22,245 ​ 448 ​ (929) ​ 4,925 ​ 74,633 ​ 79,558 ​ 25,795 1957 - 2020 1997 - 2018 22 years to 39 years Massachusetts (SNF) ​ 4,580 ​ 29,444 ​ 1,784 ​ — ​ — ​ 4,580 ​ 31,228 ​ 35,808 ​ 20,820 1964 - 1992 1997 - 2010 20 years to 33 years Michigan (SNF, ALF) ​ 1,158 ​ 48,179 ​ 166 ​ — ​ — ​ 1,158 ​ 48,345 ​ 49,503 ​ 13,004 1964 - 1997 2005 - 2014 25 years to 33 years Minnesota (ALF, ILF, SNF) ​ 10,502 ​ 52,585 ​ 5,971 ​ — ​ — ​ 10,502 ​ 58,556 ​ 69,058 ​ 15,029 1966 - 1983 2014 33 years Mississippi (SNF) ​ 7,925 ​ 177,825 ​ 827 ​ — ​ — ​ 7,925 ​ 178,652 ​ 186,577 ​ 37,677 1962 - 2008 2009 - 2013 20 years to 40 years Missouri (SNF) ​ 6,268 ​ 109,731 ​ 693 ​ — ​ (30,351) ​ 6,259 ​ 80,082 ​ 86,341 ​ 18,417 1955 - 1994 1999 - 2019 25 years to 33 years Montana (SNF) ​ 1,319 ​ 11,698 ​ — ​ — ​ — ​ 1,319 ​ 11,698 ​ 13,017 ​ 2,662 1963 - 1971 2005 33 years Nebraska (SNF) ​ 750 ​ 14,892 ​ — ​ — ​ — ​ 750 ​ 14,892 ​ 15,642 ​ 4,239 1966 - 1969 2012 - 2015 20 years to 33 years Nevada (BHS, SH, SNF, TBI) ​ 8,811 ​ 92,797 ​ 8,350 ​ — ​ — ​ 8,811 ​ 101,147 ​ 109,958 ​ 24,323 1972 - 2012 2009 - 2017 25 years to 33 years New Hampshire (ALF, SNF) ​ 1,782 ​ 19,837 ​ 1,463 ​ — ​ — ​ 1,782 ​ 21,300 ​ 23,082 ​ 10,823 1963 - 1999 1998 - 2006 33 years to 39 years New Mexico (SNF) ​ 6,330 ​ 45,285 ​ 1,612 ​ — ​ — ​ 6,330 ​ 46,897 ​ 53,227 ​ 9,872 1960 - 1985 2005 10 years to 33 years North Carolina (SNF) ​ 6,286 ​ 89,383 ​ 4,580 ​ — ​ — ​ 6,286 ​ 93,963 ​ 100,249 ​ 36,305 1927 - 1992 1994 - 2017 30 years to 33 years Ohio (SH, SNF, ALF) ​ ​ 23,010 ​ ​ 287,213 ​ ​ 4,362 ​ ​ — ​ ​ — ​ ​ 23,010 ​ ​ 291,575 ​ ​ 314,585 ​ ​ 71,909 ​ 1920 - 2007 1994 - 2020 20 years to 39 years Oklahoma (SNF) ​ ​ 4,148 ​ ​ 29,749 ​ ​ — ​ ​ — ​ ​ — ​ ​ 4,148 ​ ​ 29,749 ​ ​ 33,897 ​ ​ 13,145 ​ 1965 - 2013 2010 - 2013 20 years to 33 years Oregon (ALF, SNF) ​ ​ 3,641 ​ ​ 45,218 ​ ​ 4,009 ​ ​ — ​ ​ — ​ ​ 3,641 ​ ​ 49,227 ​ ​ 52,868 ​ ​ 11,967 ​ 1959 - 2004 2005 - 2014 25 years to 33 years Pennsylvania (ALF, ILF, SNF) ​ ​ 14,762 ​ ​ 209,887 ​ ​ 366 ​ ​ — ​ ​ (5) ​ ​ 14,756 ​ ​ 210,254 ​ ​ 225,010 ​ ​ 76,097 ​ 1942 - 2012 2004 - 2018 20 years to 39 years Rhode Island (SNF) ​ ​ 3,299 ​ ​ 23,487 ​ ​ 3,804 ​ ​ — ​ ​ — ​ ​ 3,299 ​ ​ 27,291 ​ ​ 30,590 ​ ​ 14,327 ​ 1965 - 1981 2006 39 years South Carolina (SNF) ​ ​ 8,480 ​ ​ 76,912 ​ ​ 2,860 ​ ​ — ​ ​ — ​ ​ 8,480 ​ ​ 79,772 ​ ​ 88,252 ​ ​ 19,512 ​ 1959 - 2007 2014 - 2016 20 years to 33 years Tennessee (BHP, SNF) ​ ​ 5,883 ​ ​ 99,535 ​ ​ 5,897 ​ ​ — ​ ​ — ​ ​ 5,883 ​ ​ 105,432 ​ ​ 111,315 ​ ​ 54,375 ​ 1974 - 2018 1992 - 2017 20 years to 31 years Texas (SH, ALF, BHS, IRF, MOB, SNF) ​ ​ 66,436 ​ ​ 758,981 ​ ​ 28,684 ​ ​ 125 ​ ​ (62,302) ​ ​ 65,434 ​ ​ 726,490 ​ ​ 791,924 ​ ​ 180,376 ​ 1949 - 2019 1997 - 2019 20 years to 40 years United Kingdom (ALF) ​ ​ 87,678 ​ ​ 362,316 ​ ​ 8,729 ​ ​ — ​ ​ (16,476) ​ ​ 86,559 ​ ​ 355,688 ​ ​ 442,247 ​ ​ 61,208 ​ 1700 - 2012 2015 - 2020 25 years to 30 years Vermont (SNF) ​ ​ 318 ​ ​ 6,005 ​ ​ 602 ​ ​ — ​ ​ — ​ ​ 318 ​ ​ 6,607 ​ ​ 6,925 ​ ​ 3,103 ​ 1971 2004 39 years Virginia (ALF, SNF) ​ 9,321 ​ 124,901 ​ 179 ​ — ​ (174) ​ 9,147 ​ 125,080 ​ 134,227 ​ 24,399 1979 - 2007 2010 - 2017 30 years to 40 years Washington (ALF, SNF) ​ 11,719 ​ 138,055 ​ 2,736 ​ — ​ (68) ​ 11,652 ​ 140,790 ​ 152,442 ​ 42,557 1930 - 2004 1995 - 2015 20 years to 33 years West Virginia (SNF) ​ 1,523 ​ 52,187 ​ 6,878 ​ — ​ — ​ 1,523 ​ 59,065 ​ 60,588 ​ 38,718 1961 - 1996 1994 - 2008 25 years to 39 years Wisconsin (SNF) ​ 399 ​ 4,581 ​ 2,154 ​ — ​ — ​ 399 ​ 6,735 ​ 7,134 ​ 2,316 1974 2005 33 years Total Other ​ $ 516,493 ​ $ 4,868,755 ​ $ 187,460 ​ $ 573 ​ $ (144,521) ​ $ 513,094 ​ $ 4,915,666 ​ $ 5,428,760 ​ $ 1,482,805 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total ​ $ 887,166 ​ $ 7,407,273 ​ $ 506,994 ​ $ 43,755 ​ $ (143,034) ​ $ 883,767 ​ $ 7,818,387 ​ $ 8,702,154 ​ $ 1,996,914 (1) The real estate included in this schedule is being used in either the operation of skilled nursing facilities (“SNF”), assisted living facilities (“ALF”), independent living facilities (“ILF”), traumatic brain injury (“TBI”), medical office buildings (“MOB”) or specialty hospitals (“SH”) located in the states or country indicated. (2) Certain of the real estate indicated are security for the HUD loan borrowings totaling $367.2 million at December 31, 2020. ​ ​ ​ SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION — continued (in thousands) December 31, 2020 (3) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, ​ 2018 2019 2020 Balance at beginning of period ​ $ 7,655,960 ​ $ 7,746,410 ​ $ 8,985,994 Acquisitions through foreclosure ​ — ​ 143,753 ​ — Acquisitions (a) ​ 294,202 ​ 1,201,924 ​ 125,060 Impairment ​ (35,014) ​ (48,939) ​ (69,913) Improvements ​ 187,408 ​ 170,997 ​ 88,130 Disposals/other ​ (356,146) ​ (228,151) ​ (427,117) Balance at close of period ​ $ 7,746,410 ​ $ 8,985,994 ​ $ 8,702,154 (a) Includes approximately $158.6 million, $750.6 million and $19.1 million of non-cash consideration exchanged and/or valuation adjustments during the years ended December 31, 2018, 2019 and 2020, respectively. (4) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, ​ 2018 2019 2020 Balance at beginning of period ​ $ 1,376,828 ​ $ 1,562,619 ​ $ 1,787,425 Provisions for depreciation ​ 280,871 ​ 301,177 ​ 329,508 Dispositions/other ​ (95,080) ​ (76,371) ​ (120,019) Balance at close of period ​ $ 1,562,619 ​ $ 1,787,425 ​ $ 1,996,914 (5) The reported amount of our real estate at December 31, 2020 is greater than the tax basis of the real estate by approximately $0.2 billion. (6) Reflects bed sales, impairments (including the write-off of accumulated depreciation), land easements and impacts from foreign currency exchange rates. (7) To the extent that we acquired an entity previously owning the underlying facility, the acquisition date reflects the date that the entity acquired the facility. ​

SCHEDULE IV - MORTGAGE LOANS ON

SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE	12 Months Ended
	Dec. 31, 2020
Mortgage Loans On Real Estate [Abstract]
MORTGAGE LOANS ON REAL ESTATE	SCHEDULE IV – MORTGAGE LOANS ON REAL ESTATE (in thousands) December 31, 2020 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Carrying ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amount of ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Carrying ​ Loans ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Face ​ Amount ​ Subject to ​ ​ ​ ​ ​ ​ ​ ​ Final ​ ​ ​ ​ ​ Amount ​ of ​ Delinquent ​ ​ ​ ​ Interest ​ Fixed/ ​ Maturity ​ ​ ​ Prior ​ of ​ Mortgages ​ Principal Grouping Description (1) Rate Variable Date Periodic Payment Terms Liens Mortgages (3) (4) (6) or Interest ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ First Mortgages ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 1 Michigan (25 SNFs) 10.90 % F (2) 2029 Interest plus approximately $152.0 of principal payable monthly with $352,454 due at maturity None ​ $ 415,000 ​ $ 374,607 ​ $ — ​ 2 Michigan (5 SNFs) 9.95 % F (2) 2029 Interest plus approximately $11.0 of principal payable monthly with $42,341 due at maturity None ​ 44,200 ​ 43,936 ​ — ​ 3 Michigan (2 SNFs) 10.18 % F (2) 2029 Interest plus approximately $3.0 of principal payable monthly with $10,466 due at maturity None ​ 11,000 ​ 10,900 ​ — ​ 4 Maryland (3 SNFs) 13.75 % F (2) 2028 Interest payable monthly until maturity None ​ 74,928 ​ 35,964 ​ — ​ 5 Ohio (2 SNFs) and Pennsylvania (5 SNFs and 2 ALFs) 10.59 % F (2) 2027 Interest payable monthly until maturity None ​ 112,500 ​ 112,500 ​ — ​ 6 Idaho (1 specialty facility) 10.00 % F 2021 Interest payable monthly until maturity None ​ 19,000 ​ 19,000 ​ — ​ 7 Texas (1specialty facility) 7.85 % F 2025 Interest plus approximately $128.0 of principal payable monthly with $59,749 due at maturity None ​ 72,960 ​ 67,012 ​ — ​ 8 Massachusetts (1 specialty facility) 9.00 % F 2023 Interest plus approximately $50.0 of principal payable monthly with $6,078 due at maturity None ​ 9,000 ​ 7,691 ​ — ​ 9 Tennessee ( 1 SNF) 8.35 % F 2015 Past due None ​ 6,997 ​ 1,472 ​ 1,472 (5) 10 ​ Michigan (1 SNF) ​ 9.20 % F (2) ​ 2029 ​ Interest payable monthly until maturity ​ None ​ ​ 14,045 ​ ​ 14,045 ​ ​ — ​ 11 Michigan (1 SNF) 10.18 % F (2) 2029 Interest plus approximately $3.0 of principal payable monthly with $17,613 due at maturity None ​ 18,147 ​ 18,115 ​ — ​ 12 ​ Ohio (2 SNFs) ​ 9.50 % F ​ 2021 ​ Interest payable monthly until maturity ​ None ​ ​ 43,150 ​ ​ 43,150 ​ ​ — ​ 13 ​ Michigan (8 SNFs and 1 ALF) ​ 10.31 % F (2) ​ 2029 ​ Interest plus approximately $13.0 of principal payable monthly with $81,302 due at maturity ​ None ​ ​ 83,454 ​ ​ 83,368 ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Capital Expenditure Mortgages ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 17 Michigan 10.23 % F (2) 2029 Interest payable monthly until maturity None ​ 465 ​ 455 ​ — ​ 16 ​ Michigan ​ 11.90 % F (2) ​ 2029 ​ Interest payable monthly until maturity ​ None ​ ​ 4,220 ​ ​ 4,220 ​ ​ — ​ 15 ​ Michigan ​ 11.60 % F (2) ​ 2029 ​ Interest payable monthly until maturity ​ None ​ ​ 4,120 ​ ​ 4,112 ​ ​ — ​ 14 ​ Michigan ​ 11.31 % F (2) ​ 2029 ​ Interest payable monthly until maturity ​ None ​ ​ 9,645 ​ ​ 9,373 ​ ​ — ​ 18 Michigan 10.49 % F (2) 2029 Interest payable monthly until maturity None ​ 24,175 ​ 23,032 ​ — ​ 19 Michigan 9.95 % F (2) 2029 Interest payable monthly until maturity None ​ 500 ​ 490 ​ — ​ 20 Michigan 9.74 % F (2) 2029 Interest payable monthly until maturity None ​ 5,450 ​ 4,726 ​ — ​ 21 ​ Michigan ​ 9.18 % F (2) ​ 2029 ​ Interest payable monthly until maturity ​ None ​ ​ 2,900 ​ ​ 2,542 ​ ​ — ​ 22 ​ Michigan ​ 9.50 % F (2) ​ 2029 ​ Interest payable monthly until maturity ​ None ​ ​ 200 ​ ​ 187 ​ ​ — ​ 23 ​ Michigan ​ 10.23 % F (2) ​ 2029 ​ Interest payable monthly until maturity ​ None ​ ​ 3,025 ​ ​ 3,025 ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Construction Mortgages ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 24 Michigan (1 SNF) 10.18 % F (2) 2021 Interest payable monthly until maturity None ​ 17,032 ​ 17,004 ​ — ​ 25 Ohio (1 SNF) 8.50 % F (2) 2021 Interest payable monthly until maturity None ​ 14,000 ​ 12,727 ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Allowance for credit loss on mortgage loans ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ — ​ ​ (28,340) ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ $ 1,010,113 ​ $ 885,313 ​ $ 1,472 ​ (1) Loans included in this schedule represent first mortgages, capital expenditure mortgages and construction mortgages on facilities used in the delivery of long-term healthcare of which such facilities are located in the states indicated. (2) Interest on the loans escalates annually at a fixed rate. (3) The aggregate cost for federal income tax purposes is approximately $919.2 million. ​ ​ ​ SCHEDULE IV – MORTGAGE LOANS ON REAL ESTATE — continued (in thousands) December 31, 2020 (4) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, ​ 2018 2019 2020 Balance at beginning of period ​ $ 671,232 ​ $ 710,858 ​ $ 773,563 Additions during period - new mortgage loans or additional fundings (a) ​ 65,841 ​ 129,108 ​ 149,957 Deductions during period - collection of principal/other (b) ​ (26,215) ​ (66,403) ​ (9,867) Allowance for credit loss on mortgage loans ​ — ​ — ​ (28,340) Balance at close of period ​ $ 710,858 ​ $ 773,563 ​ $ 885,313 (a) The 2018 amount includes $0.5 million of non-cash interest paid-in-kind. The 2019 amount includes $0.3 million of non-cash interest paid-in-kind. The 2020 amount includes $0.6 million of non-cash interest paid-in-kind and $86.9 million of non-cash placement of mortgage capital. (b) The 2018 amount includes $0.1 million of amortization of premium. The 2019 amount includes $11.9 million of non-cash deed-in-lieu of foreclosure. ​ (5) Mortgage written down to the fair value of the underlying collateral. (6) Mortgages included in the schedule which were extended during 2020 aggregated approximately $35.1 million. ​ ​ ​ ​

SUMMARY OF SIGNIFICANT ACCOUN_2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	12 Months Ended
	Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Accounting Estimates	Accounting Estimates The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
Fair Value Measurement	Fair Value Measurement The Company measures and discloses the fair value of nonfinancial and financial assets and liabilities utilizing a hierarchy of valuation techniques based on whether the inputs to a fair value measurement are considered to be observable or unobservable in a marketplace. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. This hierarchy requires the use of observable market data when available. These inputs have created the following fair value hierarchy: ● Level 1 - quoted prices for identical instruments in active markets; ● Level 2 - quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which significant inputs and significant value drivers are observable in active markets; and ● Level 3 - fair value measurements derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable. The Company measures fair value using a set of standardized procedures that are outlined herein for all assets and liabilities which are required to be measured at fair value. When available, the Company utilizes quoted market prices from an independent third-party source to determine fair value and classifies such items in Level 1. In some instances where a market price is available, but the instrument is in an inactive or over-the-counter market, the Company consistently applies the dealer (market maker) pricing estimate and classifies such items in Level 2. If quoted market prices or inputs are not available, fair value measurements are based upon valuation models that utilize current market or independently sourced market inputs, such as interest rates, option volatilities, credit spreads and/or market capitalization rates. Items valued using such internally-generated valuation techniques are classified according to the lowest level input that is significant to the fair value measurement. As a result, these items could be classified in either Level 2 or Level 3 even though there may be some significant inputs that are readily observable. Internal fair value models and techniques used by the Company include discounted cash flow and Monte Carlo valuation models.
Risks and Uncertainties	Risks and Uncertainties The Company is subject to certain risks and uncertainties affecting the healthcare industry, including those stemming from the novel coronavirus (“COVID-19”) global pandemic described below, which has disproportionately impacted the senior care sector, as well as, those stemming from healthcare legislation and changing regulation by federal, state and local governments, including those driven by the COVID-19 pandemic. Additionally, we are subject to risks and uncertainties as a result of changes affecting operators of nursing home facilities due to the actions of governmental agencies and insurers to limit the rising cost of healthcare services. In addition to experiencing outbreaks of positive cases and deaths of residents and employees during the pandemic, our operators have been required to adapt their operations rapidly throughout the pandemic to manage the spread of the COVID-19 virus as well as the implementation of new treatments and vaccines, and to implement new requirements relating to infection control, personal protective equipment (“PPE”), quality of care, visitation protocols, staffing levels, and reporting, among other regulations, throughout the pandemic. While we expect the approval of multiple vaccines for COVID-19 to reduce the spread and impact of the virus, particularly with respect to residents in our facilities given the prioritization of these populations in receiving the vaccines, there remain risks associated with the speed, distribution, and delivery of the vaccine in our facilities, as well as participation levels in vaccination programs among the residents and employees of our operators. In addition to the risks associated with managing the spread of the virus, delivery of the vaccines and care of their patients and residents, many of our operators reported incurring significant cost increases as a result of the COVID-19 pandemic, with dramatic increases for facilities with positive cases. We believe these increases primarily stem from elevated labor costs, including increased use of overtime and bonus pay, as well as a significant increase in both the cost and usage of PPE, testing equipment and processes and supplies, as well as implementation of new infection control protocols and vaccination programs. In addition, many of our operators have reported experiencing declines, in some cases that are material, in occupancy levels as a result of the pandemic. We believe these declines may be in part due to COVID-19 related fatalities at our facilities, the delay of SNF placement and/or utilization of alternative care settings for those with lower level of care needs, the suspension and/or postponement of elective hospital procedures, fewer discharges from hospitals to SNFs and higher hospital readmittances from SNFs. ​ While substantial government support, primarily through the federal CARES Act in the U.S. and distribution of PPE, vaccines and testing equipment by the federal government, has been allocated to SNFs and to a lesser extent to ALFs, further government support will likely be needed to continue to offset these impacts and it is unclear whether and to what extent such government support has been and will continue to be sufficient and timely to offset these impacts. Further, to the extent these impacts continue or accelerate and are not offset by additional government relief that is sufficient and timely, the operating results of our operators are likely to be adversely affected, some may be unwilling or unable to pay their contractual obligations to us in full or on a timely basis and we may be unable to restructure such obligations on terms as favorable to us as those currently in place. Even if operators are able to avail themselves of government relief to offset some of these costs, they may face challenges in complying with the terms and conditions of government support and may face longer-term adverse impacts to their personnel and business operations from the COVID-19 pandemic, including potential patient litigation and decreased demand for their services, loss of business due to an interruption in their operations, or other liabilities related to gathering restrictions, quarantines, reopening plans, vaccine distribution or delivery, spread of infection or other related factors. ​ The extent of the COVID-19 pandemic’s effect on our and our operators’ operational and financial performance will depend on future developments, including the ability to control the spread of the outbreak generally and in our facilities and the delivery of and participation in vaccination programs and other treatments for COVID-19, government funds and other support for the senior care sector and the efficacy of other policies and measures that may mitigate the impact of the pandemic, all of which are uncertain and difficult to predict. Due to these uncertainties, we are not able at this time to estimate the effect of these factors on our business, but the adverse impact on our business, results of operations, financial condition and cash flows could be material.
Business Combinations	Business Combinations We record the purchase of properties to net tangible and identified intangible assets acquired and liabilities assumed at fair value. Transaction costs are expensed as incurred as part of a business combination. In making estimates of fair value for purposes of recording the purchase, we utilize a number of sources, including independent appraisals that may be obtained in connection with the acquisition or financing of the respective property and other market data. We also consider information obtained about each property as a result of our pre-acquisition due diligence, marketing and leasing activities as well as other critical valuation metrics such as current capitalization rates and discount rates used to estimate the fair value of the tangible and intangible assets acquired (Level 3). When liabilities are assumed as part of a transaction, we consider information obtained about the liabilities and use similar valuation metrics (Level 3). In some instances when debt is assumed and an identifiable active market for similar debt is present, we use market interest rates for similar debt to estimate the fair value of the debt assumed (Level 2). The Company determines fair value as follows: ● Land is determined based on third party appraisals which typically include market comparables. ● Buildings and site improvements acquired are valued using a combination of discounted cash flow projections that assume certain future revenues and costs and consider capitalization and discount rates using current market conditions as well as the residual approach. ● Furniture and fixtures are determined based on third party appraisals which typically utilize a replacement cost approach. ● Mortgages and other investments are valued using a discounted cash flow analysis, using interest rates being offered for similar loans to borrowers with similar credit ratings. ● Investments in joint ventures are valued based on the fair value of the joint ventures’ assets and liabilities. Differences, if any, between the Company’s basis and the joint venture’s basis are generally amortized over the lives of the related assets and liabilities, and such amortization is included in the Company’s share of earnings of the joint venture. ● Intangible assets and liabilities acquired are valued using a combination of discounted cash flow projections as well as other valuation techniques based on current market conditions for the intangible asset or liability being acquired. When evaluating below market leases we consider extension options controlled by the lessee in our evaluation. ● Other assets acquired and liabilities assumed are typically valued at stated amounts, which approximate fair value on the date of the acquisition. ● Assumed debt balances are valued by discounting the remaining contractual cash flows using a current market rate of interest. ● Noncontrolling interests are valued using a stock price on the acquisition date. ● Goodwill represents the purchase price in excess of the fair value of assets acquired and liabilities assumed. Goodwill is not amortized. ​
Asset Acquisitions	Asset Acquisitions For asset acquisitions, assets acquired and liabilities assumed are recognized by allocating the cost of the acquisition, including transaction costs, to the individual assets acquired and liabilities assumed on a relative fair value basis. The fair value of the assets acquired and liabilities assumed in an asset acquisition are determined in a consistent manner with the immediately preceding “Business Combinations” section.
Variable Interest Entities	Variable Interest Entities GAAP requires us to identify entities for which control is achieved through means other than voting rights and to determine which business enterprise, if any, is the primary beneficiary of variable interest entities (“VIEs”). A VIE is broadly defined as an entity with one or more of the following characteristics: (a) the total equity investment at risk is insufficient to finance the entity’s activities without additional subordinated financial support; (b) as a group, the holders of the equity investment at risk lack (i) the ability to make decisions about the entity’s activities through voting or similar rights, (ii) the obligation to absorb the expected losses of the entity, or (iii) the right to receive the expected residual returns of the entity; or (c) the equity investors have voting rights that are not proportional to their economic interests, and substantially all of the entity’s activities either involve, or are conducted on behalf of, an investor that has disproportionately few voting rights. We may change our original assessment of a VIE upon subsequent events such as the modification of contractual arrangements that affects the characteristics or adequacy of the entity’s equity investments at risk and the disposition of all or a portion of an interest held by the primary beneficiary. Our variable interests in VIEs may be in the form of equity ownership, leases, guarantees and/or loans with our operators. We analyze our agreements and investments to determine whether our operators or unconsolidated joint ventures are VIEs and, if so, whether we are the primary beneficiary. We consolidate a VIE when we determine that we are its primary beneficiary. We identify the primary beneficiary of a VIE as the enterprise that has both: (i) the power to direct the activities of the VIE that most significantly impact the entity’s economic performance; and (ii) the obligation to absorb losses or the right to receive benefits of the VIE that could be significant to the entity. Factors considered in determining whether we are the primary beneficiary of an entity include: (i) our voting rights, if any; (ii) our involvement in day-to-day capital and operating decisions; (iii) our risk and reward sharing; (iv) the financial condition of the operator or joint venture and (iv) our representation on the VIE’s board of directors. We perform this analysis on an ongoing basis. As of December 31, 2020, we have not consolidated any VIEs, as we do not have the power to direct the activities of any VIEs that most significantly impact their economic performance and we do not have the obligation to absorb losses or receive benefits of the VIEs that could be significant to the entities.
Real Estate Investments and Depreciation	Real Estate Investments and Depreciation The costs of significant improvements, renovations and replacements, including interest are capitalized. In addition, we capitalize leasehold improvements when certain criteria are met, including when we supervise construction and will own the improvement. Expenditures for maintenance and repairs are charged to operations as they are incurred. Depreciation is computed on a straight-line basis over the estimated useful lives ranging from 20 to 40 years for buildings, eight three
Assets Held for Sale	Assets Held for Sale We consider properties to be assets held for sale when (1) management commits to a plan to sell the property; (2) it is unlikely that the disposal plan will be significantly modified or discontinued; (3) the property is available for immediate sale in its present condition; (4) actions required to complete the sale of the property have been initiated; (5) sale of the property is probable and we expect the completed sale will occur within one year; and (6) the property is actively being marketed for sale at a price that is reasonable given our estimate of current market value. Upon designation of a property as an asset held for sale, we record the property’s value at the lower of its carrying value or its estimated fair value, less estimated costs to sell, and we cease depreciation.
Real Estate Investment Impairment	Real Estate Investment Impairment Management evaluates our real estate investments for impairment indicators at each reporting period, including the evaluation of our assets’ useful lives. The judgment regarding the existence of impairment indicators is based on factors such as, but not limited to, market conditions, operator performance including the current payment status of contractual obligations and expectations of the ability to meet future contractual obligations, legal structure, as well as our intent with respect to holding or disposing of the asset. If indicators of impairment are present, management evaluates the carrying value of the related real estate investments in relation to management’s estimate of future undiscounted cash flows of the underlying facilities. The estimated future undiscounted cash flows are generally based on the related lease which relates to one or more properties and may include cash flows from the eventual disposition of the asset. In some instances, there may be various potential outcomes for a real estate investment and its potential future cash flows. In these instances, the undiscounted future cash flows used to assess the recoverability of the assets are probability-weighted based on management’s best estimates as of the date of evaluation. Provisions for impairment losses related to long-lived assets are recognized when expected future undiscounted cash flows based on our intended use of the property are determined to be less than the carrying values of the assets. An adjustment is made to the net carrying value of the real estate investments for the excess of carrying value over fair value. The fair value of the real estate investment is determined based on current market conditions and consider matters such as rental rates and occupancies for comparable properties, recent sales data for comparable properties, and, where applicable, contracts or the results of negotiations with purchasers or prospective purchasers. Additionally, our evaluation of fair value may consider valuing the property as a nursing home or other healthcare facility as well as alternative uses. All impairments are taken as a period cost at that time, and depreciation is adjusted going forward to reflect the new value assigned to the asset. Management’s impairment evaluation process, and when applicable, impairment calculations involve estimation of the future cash flows from management’s intended use of the property as well as the fair value of the property. Changes in the facts and circumstances that drive management’s assumptions may result in an impairment to our assets in a future period that could be material to our results of operations.
Lease Accounting	Lease Accounting On January 1, 2019, we adopted Accounting Standards Codification (“ASC”) 842, Leases Upon adoption of Topic 842, we applied the package of practical expedients that allowed us to not reassess (i) whether any expired or existing contracts are or contain leases, (ii) lease classification for any expired or existing leases and (iii) initial direct costs for any expired or existing leases. Furthermore, we applied the optional transition method, which allowed us to initially apply Topic 842 at the adoption date and recognize a cumulative effect adjustment to the opening balance of equity in the period of adoption. During the year ended December 31, 2019, we made an adjustment of approximately $8.5 million to the equity balance to reflect our assessment of the collectibility of certain operator’s future contractual lease payments based on the facts and circumstances that existed as of January 1, 2019. In addition, we recorded total initial non-cash right of use assets and lease liabilities ​ Lessor Accounting Topic 842 requires lessors to account for leases using an approach that is substantially equivalent to the previous guidance for sales type leases, direct financing leases and operating leases. As a lessor, our leased real estate properties are leased under provisions of single or master leases with initial terms typically ranging from 5 to 15 years, plus renewal options. As of December 31, 2020, we have determined that all but one of our leases should be accounted for as operating leases. One lease is accounted for as a direct financing lease. Under the terms of the leases, the lessee is responsible for all maintenance, repairs, taxes and insurance on the leased properties. For leases accounted for as operating leases, we retain ownership of the asset and record depreciation expense, see “Business Combinations”, “Asset Acquisitions” and “Real Estate Investments and Depreciation” above for additional information regarding our investment in real estate leased under operating lease agreements. For leases accounted for as direct financing leases, we record the present value of the future minimum lease payments (utilizing a constant interest rate over the term of the lease agreement) as a receivable and record interest income based on the contractual terms of the lease agreement. Certain direct financing leases include annual rent escalators, see “Lessor Accounting for Direct Financing Lease Income” below for further discussion regarding the recording of interest income on our direct financing leases. Lessor Accounting for Rental Income Substantially all of our operating leases contain provisions for specified annual increases over the rents of the prior year and are generally computed in one of three methods depending on the specific provisions of each lease as follows: (i) a specific annual increase over the prior year’s rent, generally between 2.0% and 3.0%; (ii) an increase based on the change in pre-determined formulas from year to year (e.g., increases in the Consumer Price Index); or (iii) specific dollar increases over prior years. Rental income from operating leases is generally recognized on a straight-line basis over the lease term when we have determined that the collectibility of substantially all of the lease payments is probable. We assess the probability of collecting substantially all payments due under our leases on several factors, including, among other things, payment history, the financial strength of the lessee and/or borrower and any guarantors, historical operations and operating trends, current and future economic conditions, and expectations of performance (which includes known substantial doubt about an operator’s ability to continue as a going concern). If our evaluation of these factors indicates it is probable that we will be unable to collect substantially all rents, we recognize a charge to rental income and limit our rental income to the lesser of lease income on a straight-line basis plus variable rents when they become accruable or cash collected. If we change our conclusion regarding the probability of collecting rent payments required by a lessee, we may recognize an adjustment to rental income in the period we make a change to our prior conclusion, potentially resulting in increased volatility of rental income. Provisions for uncollectible lease payments are recognized as a direct reduction to rental income. Prior to our adoption of Topic 842, provisions for uncollectible lease payments were recorded in provision for uncollectible accounts on our Consolidated Statements of Operations and were not reclassified to conform to the current period presentation. Some of our leases have options to extend, terminate or purchase the facilities, which are considered when determining the lease term. We do not include in our measurement of our lease receivables certain variable payments, including changes in an index until the specific events that trigger the variable payments have occurred. Certain of our operating leases require the operators to reimburse us for property taxes and other expenditures that are not considered components of the lease and therefore no consideration is allocated to them as they do not result in the transfer of a good or service to the operators. We have determined that all of our leases qualify for the practical We have elected to exclude sales and other similar taxes from the measurement of lease revenue and expense. Lessor Accounting for Real Estate Sales ​ On January 1, 2018, we adopted ASC 606, Revenue from Contracts with Customers Lessee Accounting ​ Topic 842 requires a lessee to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase of the leased asset by the lessee. This classification will determine whether the lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. As a lessee, the Company is party to ground and/or facility leases which are classified as operating leases. Substantially all of our operating leases contain provisions for specified annual increases over the rents of the prior year and are generally computed in one of three methods depending on the specific provisions of each lease as follows: (i) a specific annual increase over the prior year’s rent, generally between 1.0% and 3.0%; (ii) an increase based on the change in pre-determined formulas from year to year (e.g., increases in the Consumer Price Index); or (iii) specific dollar increases over prior years. The initial terms of our ground leases range between 10 years and 100 years. Our office leases have initial terms of approximately 10 years. Certain leases have options to extend terminate On a monthly basis, we remeasure our lease liabilities at the present value of the future lease payments using the discount rate determined at lease commencement. Rental expense from operating leases is generally recognized on a straight-line basis over the lease term. We do not include in our measurement of our lease liability certain variable payments, including changes in an index until the specific events that trigger the variable payments have occurred. As a lessee, certain of our operating leases contain non-lease components, such as our proportionate share of common area expenses. We have determined that all of our operating leases qualify for the practical expedient Upon adoption of Topic 842, we began recording on a straight-line basis rental income and ground lease expense for those assets we lease and are reimbursed by our operators and/or are paid for directly by our operators.
In-Place Leases	In-Place Leases In-place lease assets and liabilities result when we assume a lease as part of an asset acquisition or business combination. The fair value of in-place leases consists of the following components, as applicable (1) the estimated cost to replace the leases and (2) the above or below market cash flow of the leases, determined by comparing the projected cash flows of the leases in place at the time of acquisition to projected cash flows of comparable market-rate leases. Above market leases, net of accumulated amortization, are included in other assets on our Consolidated Balance Sheets. Below market leases, net of accumulated amortization, are included in accrued expenses and other liabilities on our Consolidated Balance Sheets. The net amortization related to the above and below market leases is included in our Consolidated Statements of Operations as an adjustment to rental income over the estimated remaining term of the underlying leases. Should a tenant terminate the lease, the unamortized portion of the lease intangible is recognized immediately as an adjustment to rental income.
Mortgages, Other Investments and Direct Financing Leases (collectively, our "loans") and Allowance for Credit Losses	Mortgages, Other Investments and Direct Financing Leases (collectively, our “loans”) and Allowance for Credit Losses Mortgage Interest Income and Other Investment Income Mortgage interest income and other investment income is recognized as earned over the terms of the related mortgage notes or other investment. Interest income is recorded on an accrual basis to the extent that such amounts are expected to be collected using the effective interest method. In applying the effective interest method, the effective yield on a loan is determined based on its contractual payment terms, adjusted for prepayment terms. Lessor Accounting for Direct Financing Lease Income We record direct financing lease income on a constant interest rate basis over the term of the lease. Costs related to originating direct financing leases are deferred and amortized on a straight-line basis as a reduction to income from direct financing leases over the term of the direct financing leases. Allowance for Credit Losses In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses The allowance for credit losses on loans is measured using relevant information about past events, including historical credit loss experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the remaining cash flows over the contractual term of the loans. Changes to the allowance for credit losses on loans resulting from quarterly evaluations are recorded through provision for credit losses on the Consolidated Statements of Operations. The Company’s unfunded lending commitments are calculated using the same as the methodology for the loans over the contractual term of the commitment. The loss estimate is recorded in accrued expenses and other liabilities on the Consolidated Balance Sheets with quarterly changes to the liability recorded through provision for credit losses on the Consolidated Statements of Operations. ASU 2016-13 specifically excludes from its scope receivables arising from operating leases accounted for under Topic 842. We adopted ASU 2016-13 on January 1, 2020 using the modified retrospective approach and we recorded an initial $28.8 million allowance for expected credit losses with a corresponding adjustment to equity. Transition Impact of Adopting Topic 326 ​ ​ ​ ​ ​ ​ ​ ​ ​ Pre-adoption balance as of ​ Impact of adopting ​ Post-adoption balance as of Financial Statement Line Item ​ December 31, 2019 ​ Topic 326 ​ January 1, 2020 ​ ​ (in thousands) Mortgage Notes Receivable $ 773,563 $ (21,386) $ 752,177 Investment in Direct Financing Leases ​ 11,488 ​ (611) ​ 10,877 Other Investments ​ 419,228 ​ (6,688) ​ 412,540 Off-Balance Sheet Commitments ​ 20,777 ​ (100) ​ 20,677 Total $ 1,225,056 $ (28,785) $ 1,196,271 ​ We elected to disaggregate our financial assets within the scope of Topic 326 based on the type of financial instrument. These segments were further disaggregated based on our internal credit ratings. We assess our internal credit ratings on a quarterly basis. Our internal credit ratings consider several factors including the collateral and/or security, the performance of borrowers underlying facilities, if applicable, available credit support (e.g., guarantees), borrowings with third parties, and other ancillary business ventures and real estate operations of the borrower. Our internal ratings range between 1 and 7. An internal rating of 1 reflects the lowest likelihood of loss and a 7 reflects the highest likelihood of loss. Amortized Cost Basis By Year of Origination and Credit Quality Indicator ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Rating Financial Statement Line Item 2020 2019 2018 2017 2016 2015 2014 & older Revolving Loans ​ Balance as of December 31, 2020 ​ ​ (in thousands) 1 Mortgage Notes Receivable $ - $ - $ - $ - $ - $ 67,012 $ - $ - ​ $ 67,012 2 Mortgage Notes Receivable ​ 43,150 ​ - ​ - ​ - ​ - ​ - ​ - ​ - ​ ​ 43,150 3 Mortgage Notes Receivable ​ - ​ - ​ - ​ - ​ - ​ - ​ 35,964 ​ - ​ ​ 35,964 4 Mortgage Notes Receivable ​ 89,006 ​ 17,383 ​ 44,426 ​ 46,474 ​ 37,076 ​ 9,561 ​ 495,438 ​ - ​ ​ 739,364 5 Mortgage Notes Receivable ​ - ​ - ​ 19,000 ​ - ​ - ​ - ​ 7,691 ​ - ​ ​ 26,691 6 Mortgage Notes Receivable ​ - ​ - ​ - ​ - ​ - ​ - ​ 6,377 ​ - ​ ​ 6,377 ​ Sub-total ​ 132,156 ​ 17,383 ​ 63,426 ​ 46,474 ​ 37,076 ​ 76,573 ​ 545,470 ​ - ​ ​ 918,558 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 3 Investment in Direct Financing Leases ​ - ​ - ​ - ​ - ​ - ​ 11,458 ​ - ​ - ​ ​ 11,458 ​ Sub-total ​ - ​ - ​ - ​ - ​ - ​ 11,458 ​ - ​ - ​ ​ 11,458 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 1 Other Investments ​ 17,556 ​ - ​ - ​ - ​ - ​ - ​ - ​ - ​ ​ 17,556 2 Other Investments ​ - ​ - ​ - ​ - ​ - ​ 2,082 ​ - ​ 15,265 ​ ​ 17,347 3 Other Investments ​ - ​ 22,442 ​ 31,491 ​ - ​ - ​ 363 ​ 3,756 ​ 161,591 ​ ​ 219,643 4 Other Investments ​ - ​ 12,131 ​ 114,375 ​ - ​ 82,960 ​ - ​ - ​ 5,000 ​ ​ 214,466 5 Other Investments ​ - ​ 22,662 ​ 5,925 ​ - ​ 600 ​ - ​ - ​ 700 ​ ​ 29,887 ​ Sub-total ​ 17,556 ​ 57,235 ​ 151,791 ​ - ​ 83,560 ​ 2,445 ​ 3,756 ​ 182,556 ​ ​ 498,899 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total ​ $ 149,712 $ 74,618 $ 215,217 $ 46,474 $ 120,636 $ 90,476 $ 549,226 $ 182,556 ​ $ 1,428,915 ​ We have a limited history of incurred losses and consequently have elected to employ external data to perform our expected credit loss calculation. We have elected a probability of default (“PD”) and loss given default (“LGD”) methodology. Our model’s historic inputs consider PD and LGD data for residential care facilities published by the Federal Housing Administration (“FHA”) along with Standards & Poor’s one-year global corporate default rates. Our historical loss rates revert to historical averages after 36 periods. Our model’s current conditions and supportable forecasts consider internal credit ratings, current and projected U.S. unemployment rates published by the United States Bureau of Labor Statistics and the Federal Reserve Bank of St. Louis and the weighted average life to maturity of the underlying financial asset. Allowance for Credit Losses Rollforward ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment ​ Financial Statement Line Item Allowance for Credit Loss at December 31, 2019 Allowance for Credit Loss on January 1, 2020 Provision for Credit Loss for the year ended December 31, 2020 Write-offs charged against allowance for the year ended December 31, 2020 Allowance for Credit Loss as of December 31, 2020 ​ ​ ​ (in thousands) Segment A-4 ​ Mortgage Notes Receivable $ - $ 19,293 $ 7,572 $ - $ 26,865 Segment B-3 ​ Mortgage Notes Receivable ​ - ​ 901 ​ 53 ​ - ​ 954 Segment C-5 ​ Mortgage Notes Receivable ​ - ​ 829 ​ (396) ​ - ​ 433 Segment E-6 ​ Mortgage Notes Receivable ​ 4,905 ​ 363 ​ (363) ​ - ​ 4,905 Segment F-2 ​ Mortgage Notes Receivable ​ - ​ - ​ 88 ​ - ​ 88 ​ ​ Sub-total ​ 4,905 ​ 21,386 ​ 6,954 ​ - ​ 33,245 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment A-3 ​ Investment in Direct Financing Leases ​ 217 ​ 611 ​ 83 ​ (217) ​ 694 ​ ​ Sub-total ​ 217 ​ 611 ​ 83 ​ (217) ​ 694 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment A-4 ​ Other Investments ​ - ​ 3,158 ​ 21,239 ​ - ​ 24,397 Segment B-3 ​ Other Investments ​ - ​ 1,434 ​ 3,679 ​ - ​ 5,113 Segment C-2 ​ Other Investments ​ - ​ 195 ​ (101) ​ - ​ 94 Segment D-5 ​ Other Investments ​ - ​ 1,901 ​ (48) ​ - ​ 1,853 ​ ​ Sub-total ​ - ​ 6,688 ​ 24,769 ​ - ​ 31,457 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment A-4 ​ Off-Balance Sheet Mortgage Commitments ​ - ​ 100 ​ (76) ​ - ​ 24 Segment B-3 ​ Off-Balance Sheet Note Commitments ​ - ​ - ​ 2,305 ​ - ​ 2,305 Segment C-2 ​ Off-Balance Sheet Note Commitments ​ - ​ - ​ 116 ​ - ​ 116 ​ ​ Sub-total ​ - ​ 100 ​ 2,345 ​ - ​ 2,445 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total $ 5,122 $ 28,785 $ 34,151 $ (217) $ 67,841 ​ As of December 31, 2020, $10.0 million of contractual interest receivable is recorded in contractual receivables – net on our Consolidated Balance Sheets. We have elected the practical expedient to exclude interest receivable from our allowance for credit losses. We write-off interest receivable to provision for credit losses in the period we determine the interest is no longer considered collectible. Our assessment of collectibility considers several factors, including, among other things, payment history, the financial strength of the borrower and any guarantors, historical operations and operating trends, current and future economic conditions, expectations of performance (which includes known substantial doubt about an operator’s ability to continue as a going concern) and the value of the underlying collateral of the agreement, if any. During 2020, we determined that interest receivable of $3.8 million (related to the Agemo term loans, see Note 6 – Other Investments) was no longer considered collectible. As such, we reserved approximately $3.8 million of interest receivable through the provision for credit losses during the year ended December 31, 2020. The $3.8 million reserve for interest receivable is excluded from the table above. Periodically, the Company may identify an individual loan for impairment. A loan is considered impaired when, based on current information and events, it is probable that we will be unable to collect all amounts due as scheduled according to the contractual terms of the loan agreements. Consistent with this definition, all loans on non-accrual status may be deemed impaired. To the extent circumstances improve and the risk of collectibility is diminished, we will return these loans to full accrual status. When we identify a loan impairment, the loan is written down to the present value of the expected future cash flows. In cases where expected future cash flows are not readily determinable, the loan is written down to the fair value of the underlying collateral. We may base our valuation on a loan’s observable market price, if any, or the fair value of collateral, net of sales costs, if the repayment of the loan is expected to be provided solely by the sale of the collateral. We account for impaired loans using (a) the cost-recovery method, and/or (b) the cash basis method. We generally utilize the cost-recovery method for impaired loans for which impairment reserves were recorded. We utilize the cash basis method for impaired loans for which no impairment reserves were recorded because the net present value of the discounted cash flows expected under the loan and/or the underlying collateral supporting the loan were equal to or exceeded the book value of the loan. Under the cost-recovery method, we apply cash received against the outstanding loan balance prior to recording interest income. Under the cash basis method, we apply cash received to principal or interest income based on the terms of the agreement.
Contractual Receivables and Other Receivables and Lease Inducements	Contractual Receivables and Other Receivables and Lease Inducements Contractual receivables relate to the amounts currently owed to us under the terms of our lease and loan agreements. Effective yield interest receivables relate to the difference between the interest income recognized on an effective yield basis over the term of the loan agreement and the interest currently due to us according to the contractual agreement. Straight-line rent receivables relate to the difference between the rental revenue recognized on a straight-line basis and the amounts currently due to us according to the contractual agreement. Lease inducements result from value provided by us to the lessee, at the inception, modification or renewal of the lease, and are amortized as a reduction of rental income over the non-cancellable lease term. A summary of our other receivables and inducements by type is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ ​ ​ ​ ​ ​ ​ ​ ​ Contractual receivables – net ​ $ 10,408 ​ $ 27,122 ​ ​ ​ ​ ​ ​ ​ ​ ​ Effective yield interest receivables ​ $ 12,195 ​ $ 12,914 ​ Straight-line rent receivables ​ 139,046 ​ 275,549 ​ Lease inducements ​ 83,425 ​ 92,628 ​ Other receivables and lease inducements ​ $ 234,666 ​ $ 381,091 ​ ​ In 2020, we wrote-off approximately $143.0 million of contractual receivables, straight-line rent receivables, and lease inducements to rental income as a result of placing four operators on a cash basis resulting from a change in our evaluation of the collectibility of future rent payments due under the respective lease agreements as further discussed in Note 2 – Summary of Significant Accounting Policies. In part, our conclusions were based on information the Company received from these four operators during the third and fourth quarters of 2020 regarding substantial doubt as to their ability to continue as a going concern. Of the $143.0 million, $64.9 million related to Genesis Healthcare, Inc. (“Genesis”), $75.3 million related to Agemo Holdings, LLC (“Agemo”) and $2.8 million related to two other operators which lease five facilities from the Company. During 2020, we also wrote-off approximately $3.6 million of straight-line rent receivables to rental income as a result of transitioning facilities to other existing operators. In addition, during 2020, we received a one-time rent payment of approximately $55.4 million from Maplewood Real Estate Holdings, LLC (“Maplewood”), in conjunction with the restructuring of its master lease and loans with Omega (see Note 6 – Other Investments). This payment was accounted for as an adjustment to straight-line rent receivables and is being amortized over the remaining term of the master lease. During 2020, we also provided approximately $34.1 million of funding to four operators, which was accounted for as lease inducements. Of the $34.1 million, $23.9 million was funded to Maplewood for development and start-up related costs. In 2019, we wrote-off approximately $11.1 million of contractual receivables, straight-line rent receivables and lease inducements to rental income, of which $9.9 million resulted from placing five operators on a cash-basis due to changes in our evaluation of the collectibility of future rent payments due under the respective lease agreements. The remaining $1.2 million write-off of straight-line rent receivables to rental income resulted from transitioning a facility to another existing operator. In 2019, we paid certain operators $50.8 million which were accounted for as lease inducements that are amortized as a reduction to rental income over the remaining term of the lease. Of the $50.8 million, $15.0 million was paid to Genesis and $35.8 million was paid to seven other existing operators. In 2018, we paid an existing operator approximately $50 million in exchange for a reduction of such operator’s participation in an in-the-money purchase option. As a result, we recorded an approximate $28 million lease inducement that is being amortized as a reduction to rental income over the remaining term of the lease. The remaining $22 million was recorded as a reduction to our initial contingent liability. Our initial contingent liability was recorded in our merger with Aviv REIT, Inc. and included in accrued expenses and other liabilities on our Consolidated Balance Sheets. In 2018, we wrote-off approximately $11.5 million of straight-line rent receivables and contractual receivables to provision for credit losses, as a result of facility transitions and placing an operator on a cash basis. The provision for credit losses was offset by a recovery of approximately $4.8 million.
Investments in Unconsolidated Joint Ventures	Investments in Unconsolidated Joint Ventures We account for our investments in unconsolidated joint ventures using the equity method of accounting as we exercise significant influence, but do not control the entities. Under the equity method of accounting, the net equity investments of the Company are reflected in the accompanying Consolidated Balance Sheets and the Company’s share of net income and comprehensive income from the joint ventures are included in the accompanying Consolidated Statements of Operations and Consolidated Statements of Comprehensive Income, respectively. On a periodic basis, management assesses whether there are any indicators that the value of the Company’s investments in the unconsolidated joint ventures may be other-than-temporarily-impaired. An investment is impaired only if management’s estimate of the value of the investment is less than the carrying value of the investment, and such a decline in value is deemed to be other than-temporary. To the extent impairment has occurred, the loss is measured as the excess of the carrying amount of the investment over the estimated fair value of the investment. The estimated fair value of the investment is determined using a discounted cash flow model which is a Level 3 valuation. We consider a number of assumptions that are subject to economic and market uncertainties including, among others, rental rates, operating costs, capitalization rates, holding periods and discount rates. No impairment loss on our investments in unconsolidated joint ventures was recognized during the three years ended December 31, 2020.
Cash and Cash Equivalents	Cash and Cash Equivalents Cash and cash equivalents consist of cash on hand and highly liquid investments with a maturity date of three months or less when purchased. These investments are stated at cost, which approximates fair value. The majority of our cash, cash equivalents and restricted cash are held at major commercial banks. Certain cash account balances exceed FDIC insurance limits of $250,000 per account and, as a result, there is a concentration of credit risk related to amounts in excess of the insurance limits. We regularly monitor the financial stability of these financial institutions and believe that we are not exposed to any significant credit risk in cash, cash equivalents or restricted cash.
Restricted Cash	Restricted Cash Restricted cash consists primarily of liquidity deposits escrowed for tenant obligations required by us pursuant to certain contractual terms and other deposits required by the U.S. Department of Housing and Urban Development (“HUD”) in connection with our mortgage borrowings guaranteed by HUD.
Goodwill Impairment	Goodwill Impairment ​ ​
Income Taxes	Income Taxes Omega and its wholly owned subsidiaries were organized to qualify for taxation as a REIT under Section 856 through 860 of the Internal Revenue Code (“Code”). As long as we qualify as a REIT; we will not be subject to federal income taxes on the REIT taxable income that we distributed to stockholders, subject to certain exceptions. However, with respect to certain of our subsidiaries that have elected to be treated as TRSs, we record income tax expense or benefit, as those entities are subject to federal income tax similar to regular corporations. Omega OP is a pass-through entity for United States federal income tax purposes. We account for deferred income taxes using the asset and liability method and recognize deferred tax assets and liabilities for the expected future tax consequences of events that have been included in our financial statements or tax returns. Under this method, we determine deferred tax assets and liabilities based on the differences between the financial reporting and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. Any increase or decrease in the deferred tax liability that results from a change in circumstances, and that causes us to change our judgment about expected future tax consequences of events, is included in the tax provision when such changes occur. Deferred income taxes also reflect the impact of operating loss and tax credit carry-forwards. A valuation allowance is provided if we believe it is more likely than not that all or some portion of the deferred tax asset will not be realized. Any increase or decrease in the valuation allowance that results from a change in circumstances, and that causes us to change our judgment about the realizability of the related deferred tax asset, is included in the tax provision when such changes occur. We are subject to certain state and local income tax, franchise taxes and foreign taxes. The expense associated with these taxes are included in income tax expense on the Consolidated Statements of Operations.
Stock-Based Compensation	Stock-Based Compensation We recognize stock-based compensation expense adjusted for estimated forfeitures to employees and directors, in general and administrative in our Consolidated Statements of Operations on a straight-line basis over the requisite service period of the awards.
Deferred Financing Costs and Original Issuance Premium and/or Discounts for Debt Issuance	Deferred Financing Costs and Original Issuance Premium and/or Discounts for Debt Issuance External costs incurred from the placement of our debt are capitalized and amortized on a straight-line basis over the terms of the related borrowings which approximates the effective interest method. Deferred financing costs related to our revolving line of credit are included in other assets on our Consolidated Balance Sheets and deferred financing costs related to our other borrowings are included as a direct deduction from the carrying amount of the related liability on our Consolidated Balance Sheets. Original issuance premium or discounts reflect the difference between the face amount of the debt issued and the cash proceeds received and are amortized on a straight-line basis over the term of the related borrowings. All premiums and discounts are recorded as an addition to or reduction from debt on our Consolidated Balance Sheets. Amortization of deferred financing costs and original issuance premiums or discounts totaled $10.1 million, $9.6 million and $9.0 million in 2020, 2019 and 2018, respectively, and are recorded in interest expense on our Consolidated Statements of Operations. When financings are terminated, unamortized deferred financing costs and unamortized premiums or discounts, as well as charges incurred for the termination, are recognized as expense or income at the time the termination is made. Gains and losses from the extinguishment of debt are presented in loss on debt extinguishment on our Consolidated Statements of Operations.
Earnings Per Share	Earnings Per Share The computation of basic earnings per share/unit (“EPS”) is computed by dividing net income available to common stockholders by the weighted-average number of shares of common stock outstanding during the relevant period. Diluted EPS is computed using the treasury stock method, which is net income divided by the total weighted-average number of common outstanding shares plus the effect of dilutive common equivalent shares during the respective period. Dilutive common shares reflect the assumed issuance of additional common shares pursuant to certain of our share-based compensation plans, including restricted stock and profit interest units, performance restricted stock and profit interest units, the assumed issuance of additional shares related to Omega OP Units held by outside investors.
Redeemable Limited Partnership Unitholder Interests and Noncontrolling Interests	Redeemable Limited Partnership Unitholder Interests and Noncontrolling Interests Each of the Omega OP Units (other than the Omega OP Units owned by Omega) is redeemable at the election of the Omega OP Unit holder for cash equal to the then-fair market value of one share of Omega common stock, par value $0.10 per share (“Omega Common Stock”), subject to Omega’s election to exchange the Omega OP Units tendered for redemption for unregistered shares of Omega Common Stock on a one-for-one basis, subject to adjustment as set forth in Omega OP’s partnership agreement. As of December 31, 2020, Omega owns approximately 97% of the issued and outstanding Omega OP Units, and investors own approximately 3% of the outstanding Omega OP Units.
Noncontrolling Interests	Noncontrolling Interests Noncontrolling interests is the portion of equity not attributable to the respective reporting entity. We present the portion of any equity that we do not own in consolidated entities as noncontrolling interests and classify those interests as a component of total equity, separate from total stockholders’ equity on our Consolidated Balance Sheets. We include net income attributable to the noncontrolling interests in net income in our Consolidated Statements of Operations. As our ownership of a controlled subsidiary increases or decreases, any difference between the aggregate consideration paid to acquire the noncontrolling interests and our noncontrolling interest balance is recorded as a component of equity in additional paid-in capital, so long as we maintain a controlling ownership interest. The noncontrolling interest for Omega represents the outstanding Omega OP Units held by outside investors and interests in a consolidated real estate joint venture not fully owned by Omega.
Foreign Operations	Foreign Operations The U.S. dollar (“USD”) is the functional currency for our consolidated subsidiaries operating in the U.S. The functional currency for our consolidated subsidiaries operating in the U.K. is the British Pound (“GBP”). For our consolidated subsidiaries whose functional currency is not the USD, we translate their financial statements into the USD. We translate assets and liabilities at the exchange rate in effect as of the financial statement date. Revenue and expense accounts are translated using an average exchange rate for the period. Gains and losses resulting from translation are included in accumulated other comprehensive loss (“AOCL”), as a separate component of equity and a proportionate amount of gain or loss is allocated to noncontrolling interests, if applicable. We and certain of our consolidated subsidiaries may have intercompany and third-party debt that is not denominated in the entity’s functional currency. When the debt is remeasured against the functional currency of the entity, a gain or loss can result. The resulting adjustment is reflected in results of operations, unless it is intercompany debt that is deemed to be long-term in nature in which case the adjustments are included in AOCL and a proportionate amount of gain or loss is allocated to noncontrolling interests, if applicable.
Derivative Instruments	Derivative Instruments Cash flow hedges During our normal course of business, we may use certain types of derivative instruments for the purpose of managing interest rate and currency risk. To qualify for hedge accounting, derivative instruments used for risk management purposes must effectively reduce the risk exposure that they are designed to hedge. In addition, at the inception of a qualifying cash flow hedging relationship, the underlying transaction or transactions, must be, and are expected to remain, probable of occurring in accordance with the Company’s related assertions. The Company recognizes all derivative instruments, including embedded derivatives required to be bifurcated, as assets or liabilities on the Consolidated Balance Sheets at fair value which is determined using a market approach and Level 2 inputs. Changes in the fair value of derivative instruments that are not designated in hedging relationships or that do not meet the criteria of hedge accounting are recognized in earnings. For derivatives designated in qualifying cash flow hedging relationships, the gain or loss on the derivative is recognized in AOCL as a separate component of equity and a proportionate amount of gain or loss is allocated to noncontrolling interest, if applicable. We formally document all relationships between hedging instruments and hedged items, as well as our risk-management objectives and strategy for undertaking various hedge transactions. This process includes designating all derivatives that are part of a hedging relationship to specific forecasted transactions as well as recognized liabilities or assets on the Consolidated Balance Sheets. We also assess and document, both at inception of the hedging relationship and on a quarterly basis thereafter, whether the derivatives are highly effective in offsetting the designated risks associated with the respective hedged items. If it is determined that a derivative ceases to be highly effective as a hedge, or that it is probable the underlying forecasted transaction will not occur, we discontinue hedge accounting prospectively and record the appropriate adjustment to earnings based on the current fair value of the derivative. As a matter of policy, we do not use derivatives for trading or speculative purposes. At December 31, 2020 and 2019, $1.0 million and $3.7 million, respectively, of qualifying cash flow hedges were recorded at fair value in accrued expenses and other liabilities on our Consolidated Balance Sheets. At December 31, 2020, $17.0 million of qualifying cash flow hedges were recorded at fair value in other assets on our Consolidated Balance Sheets. Net investment hedge The Company is exposed to fluctuations in the GBP against its functional currency, the USD, relating to its investments in healthcare-related real estate properties located in the U.K. The Company uses a nonderivative, GBP-denominated term loan to manage its exposure to fluctuations in the GBP-USD exchange rate. The foreign currency transaction gain or loss on the nonderivative hedging instrument that is designated and qualifies as a net investment hedge is reported in AOCL in our Consolidated Balance Sheets.
Reclassification	Reclassification
Accounting Pronouncement Adopted in 2020	Accounting Pronouncements Adopted in 2020 On March 12, 2020, the FASB issued ASU 2020-04, Reference Rate Reform

SUMMARY OF SIGNIFICANT ACCOUN_3

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)	12 Months Ended
	Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Schedule of Net Accounts Receivable	A summary of our other receivables and inducements by type is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ ​ ​ ​ ​ ​ ​ ​ ​ Contractual receivables – net ​ $ 10,408 ​ $ 27,122 ​ ​ ​ ​ ​ ​ ​ ​ ​ Effective yield interest receivables ​ $ 12,195 ​ $ 12,914 ​ Straight-line rent receivables ​ 139,046 ​ 275,549 ​ Lease inducements ​ 83,425 ​ 92,628 ​ Other receivables and lease inducements ​ $ 234,666 ​ $ 381,091 ​ ​
Schedule of credit losses impact	Transition Impact of Adopting Topic 326 ​ ​ ​ ​ ​ ​ ​ ​ ​ Pre-adoption balance as of ​ Impact of adopting ​ Post-adoption balance as of Financial Statement Line Item ​ December 31, 2019 ​ Topic 326 ​ January 1, 2020 ​ ​ (in thousands) Mortgage Notes Receivable $ 773,563 $ (21,386) $ 752,177 Investment in Direct Financing Leases ​ 11,488 ​ (611) ​ 10,877 Other Investments ​ 419,228 ​ (6,688) ​ 412,540 Off-Balance Sheet Commitments ​ 20,777 ​ (100) ​ 20,677 Total $ 1,225,056 $ (28,785) $ 1,196,271 ​
Schedule by segment balance by vintage and credit quality indicator	Amortized Cost Basis By Year of Origination and Credit Quality Indicator ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Rating Financial Statement Line Item 2020 2019 2018 2017 2016 2015 2014 & older Revolving Loans ​ Balance as of December 31, 2020 ​ ​ (in thousands) 1 Mortgage Notes Receivable $ - $ - $ - $ - $ - $ 67,012 $ - $ - ​ $ 67,012 2 Mortgage Notes Receivable ​ 43,150 ​ - ​ - ​ - ​ - ​ - ​ - ​ - ​ ​ 43,150 3 Mortgage Notes Receivable ​ - ​ - ​ - ​ - ​ - ​ - ​ 35,964 ​ - ​ ​ 35,964 4 Mortgage Notes Receivable ​ 89,006 ​ 17,383 ​ 44,426 ​ 46,474 ​ 37,076 ​ 9,561 ​ 495,438 ​ - ​ ​ 739,364 5 Mortgage Notes Receivable ​ - ​ - ​ 19,000 ​ - ​ - ​ - ​ 7,691 ​ - ​ ​ 26,691 6 Mortgage Notes Receivable ​ - ​ - ​ - ​ - ​ - ​ - ​ 6,377 ​ - ​ ​ 6,377 ​ Sub-total ​ 132,156 ​ 17,383 ​ 63,426 ​ 46,474 ​ 37,076 ​ 76,573 ​ 545,470 ​ - ​ ​ 918,558 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 3 Investment in Direct Financing Leases ​ - ​ - ​ - ​ - ​ - ​ 11,458 ​ - ​ - ​ ​ 11,458 ​ Sub-total ​ - ​ - ​ - ​ - ​ - ​ 11,458 ​ - ​ - ​ ​ 11,458 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 1 Other Investments ​ 17,556 ​ - ​ - ​ - ​ - ​ - ​ - ​ - ​ ​ 17,556 2 Other Investments ​ - ​ - ​ - ​ - ​ - ​ 2,082 ​ - ​ 15,265 ​ ​ 17,347 3 Other Investments ​ - ​ 22,442 ​ 31,491 ​ - ​ - ​ 363 ​ 3,756 ​ 161,591 ​ ​ 219,643 4 Other Investments ​ - ​ 12,131 ​ 114,375 ​ - ​ 82,960 ​ - ​ - ​ 5,000 ​ ​ 214,466 5 Other Investments ​ - ​ 22,662 ​ 5,925 ​ - ​ 600 ​ - ​ - ​ 700 ​ ​ 29,887 ​ Sub-total ​ 17,556 ​ 57,235 ​ 151,791 ​ - ​ 83,560 ​ 2,445 ​ 3,756 ​ 182,556 ​ ​ 498,899 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total ​ $ 149,712 $ 74,618 $ 215,217 $ 46,474 $ 120,636 $ 90,476 $ 549,226 $ 182,556 ​ $ 1,428,915 ​
Schedule of expected credit loss	Allowance for Credit Losses Rollforward ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment ​ Financial Statement Line Item Allowance for Credit Loss at December 31, 2019 Allowance for Credit Loss on January 1, 2020 Provision for Credit Loss for the year ended December 31, 2020 Write-offs charged against allowance for the year ended December 31, 2020 Allowance for Credit Loss as of December 31, 2020 ​ ​ ​ (in thousands) Segment A-4 ​ Mortgage Notes Receivable $ - $ 19,293 $ 7,572 $ - $ 26,865 Segment B-3 ​ Mortgage Notes Receivable ​ - ​ 901 ​ 53 ​ - ​ 954 Segment C-5 ​ Mortgage Notes Receivable ​ - ​ 829 ​ (396) ​ - ​ 433 Segment E-6 ​ Mortgage Notes Receivable ​ 4,905 ​ 363 ​ (363) ​ - ​ 4,905 Segment F-2 ​ Mortgage Notes Receivable ​ - ​ - ​ 88 ​ - ​ 88 ​ ​ Sub-total ​ 4,905 ​ 21,386 ​ 6,954 ​ - ​ 33,245 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment A-3 ​ Investment in Direct Financing Leases ​ 217 ​ 611 ​ 83 ​ (217) ​ 694 ​ ​ Sub-total ​ 217 ​ 611 ​ 83 ​ (217) ​ 694 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment A-4 ​ Other Investments ​ - ​ 3,158 ​ 21,239 ​ - ​ 24,397 Segment B-3 ​ Other Investments ​ - ​ 1,434 ​ 3,679 ​ - ​ 5,113 Segment C-2 ​ Other Investments ​ - ​ 195 ​ (101) ​ - ​ 94 Segment D-5 ​ Other Investments ​ - ​ 1,901 ​ (48) ​ - ​ 1,853 ​ ​ Sub-total ​ - ​ 6,688 ​ 24,769 ​ - ​ 31,457 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Segment A-4 ​ Off-Balance Sheet Mortgage Commitments ​ - ​ 100 ​ (76) ​ - ​ 24 Segment B-3 ​ Off-Balance Sheet Note Commitments ​ - ​ - ​ 2,305 ​ - ​ 2,305 Segment C-2 ​ Off-Balance Sheet Note Commitments ​ - ​ - ​ 116 ​ - ​ 116 ​ ​ Sub-total ​ - ​ 100 ​ 2,345 ​ - ​ 2,445 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total $ 5,122 $ 28,785 $ 34,151 $ (217) $ 67,841

PROPERTIES (Tables)

PROPERTIES (Tables)	12 Months Ended
	Dec. 31, 2020
Real Estate Properties [Line Items]
Schedule of Investment in Leased Real Estate Properties	A summary of our investment in leased real estate properties is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ Buildings ​ $ 6,961,509 ​ $ 7,056,106 ​ Land ​ 883,765 ​ 901,246 ​ Furniture and equipment ​ 518,664 ​ 515,421 ​ Site improvements ​ 308,087 ​ 287,655 ​ Construction in progress ​ 30,129 ​ 225,566 ​ Total real estate investments ​ 8,702,154 ​ 8,985,994 ​ Less accumulated depreciation ​ (1,996,914) ​ (1,787,425) ​ Real estate investments – net ​ $ 6,705,240 ​ $ 7,198,569 ​
Schedule of operating lease income	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31 ​ ​ 2020 ​ 2019 ​ ​ (in thousands) ​ (in thousands) Rental income – operating leases ​ $ 741,681 ​ $ 792,010 Variable lease income – operating leases ​ ​ 11,746 ​ ​ 12,066 Total lease income ​ $ 753,427 ​ $ 804,076 ​ ​ ​ ​ ​ ​ ​ Real estate tax expense ​ $ 12,316 ​ $ 14,933 General and administrative – ground lease expense ​ ​ 1,448 ​ ​ 1,208 Total ​ $ 13,764 ​ $ 16,141
Schedule of estimated contractual rent receivables under operating leases	​ ​ ​ ​ ​ ​ ​ (in thousands) 2021 ​ $ 867,780 2022 ​ ​ 868,976 2023 ​ ​ 863,985 2024 ​ ​ 875,099 2025 ​ ​ 878,956 Thereafter ​ ​ 4,259,773 Total ​ $ 8,614,569
Schedule of Significant Acquisitions	The following table summarizes the significant asset acquisitions that occurred in 2020: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Number of ​ ​ ​ Total ​ Initial ​ ​ Facilities Country/ Investment Annual ​ Period ​ SNF ALF ​ State ​ (in millions) ​ Cash Yield (1) ​ Q1 — 2 U.K. ​ $ 12.1 ​ 8.00 % Q1 ​ 1 — ​ IN ​ ​ 7.0 ​ 9.50 % Q2 ​ 1 — ​ OH ​ ​ 6.9 ​ 9.50 % Q4 ​ 6 1 ​ VA ​ ​ 78.4 ​ 9.50 % Total 8 3 ​ $ 104.4 ​ ​ (1) Initial annual cash yield reflects the initial annual contractual cash rent divided by the purchase price. The following table summarizes the significant transactions that occurred in 2019: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Number of ​ ​ ​ Total ​ ​ Initial ​ ​ Facilities Country/ Investment Annual ​ Period ​ SNF ALF Specialty MOB ​ State ​ (in millions) ​ ​ Cash Yield (1) ​ Q1 1 — — — OH ​ $ 11.9 (3) 12.00 % Q2 20 1 11 1 CA, CT, IN, NV, SC, TN, TX ​ 440.7 (2) 9.82 % Q2 7 1 3 — PA, VA ​ 131.8 (3) 9.35 % Q3 ​ 3 — — — NC, VA ​ 24.9 ​ 9.50 % Q4 ​ 58 2 — — FL, ID, KY, LA, MS, MO, MT, NC ​ 735.2 ​ 8.71 % Total 89 4 14 1 ​ $ 1,344.5 ​ ​ (1) Initial annual cash yield reflects the initial annual contractual cash rent divided by the purchase price. (2) The acquisition was accounted for as a business combination. The other acquisitions were accounted for as asset acquisitions. (3) Acquired via a deed-in-lieu of foreclosure. ​ The following table summarizes the significant asset acquisitions that occurred in 2018: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Number of ​ ​ ​ Total ​ ​ Initial ​ ​ Facilities Country/ Investment Annual ​ Period ​ SNF ​ ALF/ILF ​ State ​ (in millions) ​ Cash Yield (3) ​ Q1 — 1 U.K. ​ $ 4.0 (1) 8.50 % Q1 — 1 U.K. ​ 5.7 (2) 8.50 % Q1 1 — PA ​ 7.4 ​ 9.50 % Q1 1 — VA ​ 13.2 ​ 9.50 % Q2 5 — TX ​ 22.8 ​ 9.50 % Q4 ​ 3 ​ 1 ​ PA ​ ​ 35.1 ​ ​ 9.50 % Q4 1 — IN ​ 8.3 ​ 9.50 % Q4 1 — OH ​ 9.2 ​ 9.50 % Total 12 3 ​ $ 105.7 ​ ​ (1) We recorded a non-cash deferred tax liability of approximately $0.4 million in connection with this acquisition. (2) We recorded a non-cash deferred tax liability of approximately $0.2 million in connection with this acquisition. (3) Initial annual cash yield reflects the initial annual contractual cash rent divided by the purchase price. ​
Schedule of pro forma information not indicative of future operations	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pro Forma ​ ​ Year Ended December 31, ​ ​ 2019 ​ 2018 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pro forma revenues ​ $ 950,318 ​ $ 938,782 Pro forma net income ​ $ 362,220 ​ $ 321,232 ​ ​ ​ ​ ​ ​ ​ Earnings per share – diluted: ​ ​ ​ ​ ​ ​ Net income – as reported ​ $ 1.58 ​ $ 1.40 Net income – pro forma ​ $ 1.60 ​ $ 1.48
Encore Portfolio [Member]
Real Estate Properties [Line Items]
Schedule of recognized identified assets acquired and liabilities assumed	​ ​ ​ ​ ​ ​ ​ (in thousands) Fair value of net assets acquired: ​ ​ ​ Real estate investments ​ $ 735,182 Other investments ​ 600 Contractual receivables ​ ​ 2,216 Cash ​ 227 Other assets ​ 28,173 Total investments ​ ​ 766,398 Secured borrowings ​ ​ (388,627) Accrued expenses and other liabilities ​ ​ (8,978) Fair value of net assets acquired ​ $ 368,793
MedEquities
Real Estate Properties [Line Items]
Schedule of recognized identified assets acquired and liabilities assumed	​ ​ ​ ​ ​ ​ ​ (in thousands) Fair value of net assets acquired: ​ ​ ​ Real estate investments ​ $ 440,690 Mortgage notes receivable ​ 108,097 Other investments ​ 19,192 Investment in unconsolidated joint venture ​ 73,834 Cash ​ 4,067 Contractual receivables ​ 1,002 Other assets (1) ​ 7,698 Total investments ​ ​ 654,580 Debt ​ ​ (285,100) Accrued expenses and other liabilities (2) ​ ​ (23,931) Fair value of net assets acquired ​ $ 345,549 (1) Includes approximately $ 2.5 million in above market lease assets.

DIRECT FINANCING LEASES (Tables

DIRECT FINANCING LEASES (Tables)	12 Months Ended
	Dec. 31, 2020
Direct Financing Leases [Abstract]
Schedule of Components of Investment in Direct Financing Leases	The components of investments in direct financing leases consist of the following: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ Minimum lease payments receivable ​ $ 25,947 ​ $ 27,227 ​ Less unearned income ​ (14,489) ​ (15,522) ​ Investment in direct financing leases ​ 11,458 ​ 11,705 ​ Less allowance for credit losses on direct financing leases ​ (694) ​ (217) ​ Investment in direct financing leases – net ​ $ 10,764 ​ $ 11,488 ​ ​ ​ ​ ​ ​ ​ ​ ​ Properties subject to direct financing leases ​ 1 ​ 2 ​ Number of direct financing leases ​ 1 ​ 2 ​ ​

MORTGAGE NOTES RECEIVABLE (Tabl

MORTGAGE NOTES RECEIVABLE (Tables)	12 Months Ended
	Dec. 31, 2020
Mortgage Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Schedule of Investments	The principal amounts outstanding of mortgage notes receivable, net of allowances, were as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ (in thousands) ​ Mortgage note due 2027; interest at 10.59% ​ $ 112,500 ​ $ 112,500 ​ Mortgage notes due 2029; interest at 10.53% (1) ​ 670,015 ​ 526,520 ​ Other mortgage notes outstanding (2) ​ 136,043 ​ 139,448 ​ Mortgage notes receivable, gross ​ 918,558 ​ 778,468 ​ Allowance for credit losses on mortgage notes receivable ​ (33,245) ​ (4,905) ​ Total mortgages — net ​ $ 885,313 ​ $ 773,563 ​ (1) Approximates the weighted average interest rate on 46 facilities. Two notes totaling approximately $29.7 million are construction mortgages with maturities in 2021 . Two mortgage notes totaling $43.2 million mature in 2021 and the remaining loan balance matures in 2029 . (2) Other mortgage notes outstanding have a weighted average interest rate of 9.41% per annum and maturity dates through 2028 .

OTHER INVESTMENTS (Tables)

OTHER INVESTMENTS (Tables)	12 Months Ended
	Dec. 31, 2020
Notes Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Schedule of Investments	A summary of our other investments is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 2019 ​ ​ ​ (in thousands) ​ Other investment notes due 2022; interest at 13.12% (1) ​ $ 83,636 $ 77,087 ​ Other investment notes due 2024-2025; interest at 8.12% (1) ​ ​ 56,987 ​ 58,687 ​ Other investment note due 2023; interest at 12.00% ​ 49,973 ​ ​ 52,213 ​ Other investment notes due 2030; interest at 7.00% ​ 147,148 ​ 65,000 ​ Other investment notes outstanding (2) ​ 161,155 ​ 166,241 ​ Total other investments, gross ​ ​ 498,899 ​ ​ 419,228 ​ Allowance for credit losses on other investments ​ ​ (31,457) ​ ​ — ​ Total other investments - net ​ $ 467,442 ​ $ 419,228 ​ (1) Approximate weighted average interest rate as of December 31, 2020. (2) Other investment notes have a weighted average interest rate of 7.75% and maturity dates through 2028 .

VARIABLE INTEREST ENTITIES (Tab

VARIABLE INTEREST ENTITIES (Tables)	12 Months Ended
	Dec. 31, 2020
Variable Interest Entities [Abstract]
Schedule of Variable Interest Entities	The following operators are considered VIEs as of December 31, 2020 and 2019. Below is a summary of our assets and liabilities associated with each operator: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ December 31, 2019 ​ ​ ​ Agemo Maplewood ​ Agemo ​ ​ ​ (in thousands) ​ (in thousands) ​ Assets ​ ​ ​ ​ ​ ​ ​ ​ ​ Real estate investments – net ​ $ 371,010 $ 750,488 ​ $ 403,389 ​ Other investments ​ 34,253 147,148 ​ ​ 58,687 ​ Contractual receivables ​ 346 887 ​ ​ 18,113 ​ Straight-line rent receivables ​ — (56,664) ​ ​ 46,247 ​ Lease inducement ​ ​ — ​ 69,666 ​ ​ 6,810 ​ Subtotal ​ 405,609 911,525 ​ ​ 533,246 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Liabilities ​ ​ ​ ​ ​ ​ ​ ​ ​ Net in-place lease liability ​ ​ — ​ (331) ​ ​ — ​ Contingent liability ​ ​ — ​ (43,915) ​ ​ — ​ Subtotal ​ — (44,246) ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Collateral ​ ​ ​ ​ Letters of credit ​ (9,253) — ​ ​ (9,253) ​ Personal guarantee ​ (8,000) (40,000) ​ ​ (8,000) ​ Other collateral ​ (371,010) (750,488) ​ ​ (403,389) ​ Subtotal ​ (388,263) (790,488) ​ ​ (420,642) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Maximum exposure to loss ​ $ 17,346 $ 76,791 ​ $ 112,604 ​
Schedule of Variable Interest Entities revenue	The table below reflects our total revenues from Agemo and Maplewood for the years ended December 31, 2020, 2019 and 2018: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 ​ 2019 ​ 2018 ​ ​ ​ ​ Agemo ​ Maplewood ​ Agemo ​ Maplewood ​ Agemo ​ Maplewood ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Revenue ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Rental (loss) income (1) ​ ​ ​ $ (22,387) ​ $ 52,442 ​ $ 60,639 ​ $ 39,111 ​ $ 59,291 ​ $ 33,892 Other investment income ​ ​ ​ 4,913 ​ 6,951 ​ 4,502 ​ 4,821 ​ 3,500 ​ 4,615 Total (2) ​ ​ ​ $ (17,474) ​ $ 59,393 ​ $ 65,141 ​ $ 43,932 ​ $ 62,791 ​ $ 38,507 (1) The rental income related to Agemo for the year ended December 31, 2020, reflects the write-off of approximately $75.3 million of contractual rent receivable, straight-line rent receivable and lease inducements (see Note 2 – Summary of Significant Accounting Policies). (2) For the years ended December 31, 2020, 2019 and 2018, we received cash rental income and other investment income from Agemo of approximately $53.9 million, $53.7 million and $56.8 million, respectively. For the years ended December 31, 2020, 2019 and 2018, we received cash rental income and other investment income from Maplewood of approximately $69.6 million, $ 44.9 million and $35.5 million, respectively.

INVESTMENT IN JOINT VENTUREs (T

INVESTMENT IN JOINT VENTUREs (Tables)	12 Months Ended
	Dec. 31, 2020
INVESTMENTS IN JOINT VENTURES [Abstract]
Schedule of equity method investments	The Company owns interests in the following entities that are accounted for under the equity method (dollars in thousands): ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Carrying Amount ​ ​ Ownership ​ Initial Investment ​ ​ ​ ​ Facility ​ Facilities at ​ December 31, ​ December 31, Entity (1) ​ % ​ Date ​ ​ Investment (2) ​ Type ​ 12/31/2020 ​ 2020 2019 Second Spring Healthcare Investments (3) ​ 15% ​ 11/1/2016 ​ $ 50,032 ​ SNF ​ 21 ​ $ 17,700 $ 22,504 Lakeway Realty, L.L.C. (4) ​ 51% ​ 5/17/2019 ​ ​ 73,834 ​ Specialty facility ​ 1 ​ ​ 72,318 ​ ​ 73,273 Cindat Joint Venture (5) ​ 49% ​ 12/18/2019 ​ ​ 105,688 ​ ALF ​ 67 ​ ​ 110,360 ​ ​ 103,976 OMG Senior Housing, LLC ​ 50% ​ 12/6/2019 ​ ​ — ​ ILF ​ 1 ​ — ​ — OH CHS SNP, Inc. ​ 9% ​ 12/20/2019 ​ ​ 746 ​ N/A ​ N/A ​ ​ 260 ​ ​ 131 ​ ​ ​ ​ ​ ​ $ 230,300 ​ ​ ​ ​ ​ $ 200,638 ​ $ 199,884 (1) These entities and their subsidiaries are not consolidated by the Company because it does not control, through voting rights or other means, the joint venture. (2) Our investment includes our transaction costs, if any. (3) The Company made a loan of $17.6 million to the venture which is included in other investments. See Note 6 – Other Investments. During 2020, this joint venture sold 16 SNFs subject to an operating lease for approximately $259.1 million in net cash proceeds and recognized a gain on sale of approximately $40.4 million. During 2019, this joint venture sold 14 SNFs subject to an operating lease for approximately $311.8 million in net cash proceeds and recognized a gain on sale of approximately $64.0 million. During 2018, this joint venture sold 13 SNFs subject to an operating lease for approximately $164.0 million in net cash proceeds and recognized a loss on sale of approximately $4.6 million. During 2018, this joint venture also recorded $4.2 million of impairment expense on these real estate properties. (4) We acquired an interest in a joint venture that owns the Lakeway Regional Medical Center (the “Lakeway Hospital”) in Lakeway, Texas. Our initial basis difference of approximately $69.9 million is being amortized on a straight-line basis over 40 years to income (loss) from unconsolidated joint ventures in the Consolidated Statements of Operations. The lessee of the Lakeway Hospital has an option to purchase the facility from the joint venture. The lessee also has a right of first refusal and a right of first offer in the event the joint venture intends to sell or otherwise transfer Lakeway Hospital. (5) We acquired a 49% interest in Cindat Ice Portfolio JV, GP Limited, Cindat Ice Portfolio Holdings, LP and Cindat Ice Portfolio Lender, LP. Cindat Ice Portfolio Holdings, LP owns 67 care homes leased to two operators in the U.K. pursuant to operating leases. Cindat Ice Portfolio Lender, LP holds loans to a third-party operator. Our investment in Cindat Joint Venture consists primarily of real estate. Our initial basis difference of approximately $35 million is being amortized on a straight-line basis over approximately 40 years to income (loss) from unconsolidated joint ventures in the Consolidated Statements of Operations. The following table reflects our income (loss) from unconsolidated joint ventures for the years ended December 31, 2020, 2019 and 2018: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, Entity ​ 2020 2019 2018 ​ ​ (in thousands) ​ ​ ​ Second Spring Healthcare Investments ​ $ 2,807 ​ $ 9,490 ​ $ 381 Lakeway Realty, L.L.C. ​ ​ 2,483 ​ 1,479 ​ — Cindat Joint Venture ​ 1,812 ​ (22) ​ — OMG Senior Housing, LLC ​ (497) ​ — ​ — OH CHS SNP, Inc. ​ (462) ​ — ​ — Total ​ $ 6,143 ​ $ 10,947 ​ $ 381

ASSETS HELD FOR SALE (Tables)

ASSETS HELD FOR SALE (Tables)	12 Months Ended
	Dec. 31, 2020
Assets Held for Sale [Abstract]
Schedule of Properties Held-for-Sale	The following is a summary of our assets held for sale: ​ ​ ​ ​ ​ ​ ​ Properties Held For Sale ​ Number of Net Book Value ​ Properties ​ (in thousands) December 31, 2018 3 ​ $ 989 Properties sold (1) (8) ​ ​ (6,486) Properties added (2) 11 ​ ​ 10,419 December 31, 2019 6 ​ ​ 4,922 Properties sold (1) (25) ​ ​ (126,532) Properties added (2) 41 ​ ​ 203,062 December 31, 2020 (3) 22 ​ $ 81,452 (1) In 2019, we sold seven facilities for approximately $22.9 million in net proceeds recognizing a gain on sale of approximately $14.8 million. One facility classified as held for sale at December 31, 2018 was no longer considered held for sale during the second quarter of 2019 and was reclassified to leased property at approximately $0.3 million which represents the facility’s then carrying value adjusted for depreciation that was not recognized while classified as held for sale. In 2020, we sold 25 facilities and a parcel of land for approximately $142.8 million in net proceeds recognizing a gain on sale of approximately $16.2 million. (2) In 2019, we recorded approximately $9.2 million of impairment expense to reduce eight facilities’ book values to their estimated fair values less costs to sell before they were reclassified to assets held for sale. In 2020, we recorded approximately $36.4 million of impairment expense to reduce 11 facilities’ book values to their estimated fair values less costs to sell before they were reclassified to assets held for sale. (3) We plan to sell the facilities classified as held for sale at December 31, 2020 within the next twelve months.

INTANGIBLES (Tables)

INTANGIBLES (Tables)	12 Months Ended
	Dec. 31, 2020
Intangibles [Abstract]
Schedule of Intangibles	The following is a summary of our lease intangibles as of December 31, 2020 and 2019: ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ December 31, ​ ​ 2020 ​ 2019 ​ ​ ​ (in thousands) ​ Assets: ​ ​ ​ ​ Above market leases ​ $ 22,822 ​ $ 49,240 ​ Accumulated amortization ​ (20,882) (21,227) ​ Net above market leases ​ $ 1,940 ​ $ 28,013 ​ ​ ​ ​ ​ ​ ​ ​ ​ Liabilities: ​ ​ ​ ​ Below market leases ​ $ 139,515 ​ $ 147,292 ​ Accumulated amortization ​ (100,996) (87,154) ​ Net below market leases ​ $ 38,519 ​ $ 60,138 ​ ​
Schedule of Reconciliation of Goodwill	The following is a summary of our goodwill: ​ ​ ​ ​ ​ (in thousands) Balance as of December 31, 2019 ​ $ 644,415 Add: foreign currency translation ​ 438 Add: goodwill from business combination ​ 6,884 Balance as of December 31, 2020 ​ $ 651,737

BORROWING ARRANGEMENTS (Tables)

BORROWING ARRANGEMENTS (Tables)	12 Months Ended
	Dec. 31, 2020
BORROWING ARRANGEMENTS [Abstract]
Schedule of Borrowings	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Annual ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Interest Rate ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ as of ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ ​ December 31, ​ Net Proceeds Maturity 2020 ​ 2020 2019 ​ (in millions) ​ ​ ​ (in thousands) Secured borrowings: ​ ​ ​ HUD mortgages (1)(2) ​ ​ ​ 2046-2052 ​ 3.01 % ​ $ 367,249 ​ $ 387,405 Term loan (3) ​ 2021 3.50 % ​ ​ 2,275 ​ ​ 2,275 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 369,524 ​ ​ 389,680 Unsecured borrowings: ​ ​ ​ ​ Revolving line of credit (4)(5) ​ 2021 1.27 % ​ 101,158 ​ 125,000 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ U.S. term loan (5) ​ N/A N/A ​ ​ — ​ 350,000 Sterling term loan (5)(6) ​ 2022 1.47 % ​ 136,700 ​ 132,480 Omega OP term loan (7) ​ 2022 3.29 % ​ 50,000 ​ 75,000 2015 term loan (5) ​ N/A N/A ​ ​ — ​ 250,000 Deferred financing costs – net ​ ​ ​ (351) ​ (2,742) Total term loans – net ​ ​ ​ 186,349 ​ 804,738 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Senior Notes: (5) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2023 notes $ 692.0 2023 4.375 % ​ 700,000 ​ 700,000 2024 notes ​ 394.3 2024 4.950 % ​ 400,000 ​ 400,000 2025 notes ​ 397.7 2025 4.500 % ​ 400,000 ​ 400,000 2026 notes ​ 594.4 2026 5.250 % ​ 600,000 ​ 600,000 2027 notes ​ 683.0 2027 4.500 % ​ 700,000 ​ 700,000 2028 notes ​ 540.8 2028 4.750 % ​ 550,000 ​ 550,000 2029 notes ​ 487.8 2029 3.625 % ​ 500,000 ​ 500,000 2031 notes (8) ​ 680.5 ​ 2031 ​ 3.375 % ​ ​ 700,000 ​ ​ — Subordinated debt (2) ​ 2021 9.000 % ​ 20,000 ​ 13,541 Discount – net ​ ​ (31,709) ​ (23,041) Deferred financing costs – net ​ ​ (26,070) ​ (23,778) Total senior notes and other unsecured borrowings – net ​ ​ 4,512,221 ​ 3,816,722 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total unsecured borrowings – net ​ ​ 4,799,728 ​ 4,746,460 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total secured and unsecured borrowings – net (9) ​ ​ $ 5,169,252 ​ $ 5,136,140 (1) Reflects the weighted average annual contractual interest rate on the mortgages at December 31, 2020. Secured by real estate assets with a net carrying value of $571.2 million as of December 31, 2020. (2) Wholly owned subsidiaries of Omega OP are the obligor on these borrowings. (3) Borrowing is the debt of a consolidated joint venture. (4) The Revolving line of credit matures on May 25, 2021, subject to an option by us to extend such maturity date for two , six month periods. (5) Guaranteed by Omega OP. (6) Actual borrowing in British Pounds Sterling and remeasured to USD. (7) Omega OP is the obligor on this borrowing. (8) We used the proceeds from this offering to repay the outstanding balance on our U.S. term loan, our 2015 term loan and pay down the Omega OP term loan and Revolving line of credit. (9) All borrowings are direct borrowings of Parent unless otherwise noted. ​
Schedule of principal payments, excluding the premium/discount and the aggregate due thereafter	​ ​ ​ ​ ​ ​ (in thousands) 2021 $ 130,876 2022 ​ 194,370 2023 ​ 707,904 2024 ​ 408,144 2025 ​ 408,393 Thereafter ​ 3,377,695 Total ​ $ 5,227,382

FINANCIAL INSTRUMENTS (Tables)

FINANCIAL INSTRUMENTS (Tables)	12 Months Ended
	Dec. 31, 2020
Financial Instruments [Abstract]
Schedule of Financial Instruments	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 ​ 2019 ​ Carrying Fair Carrying Fair ​ Amount Value Amount Value ​ ​ (in thousands) Assets: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Investments in direct financing leases – net ​ $ 10,764 ​ $ 10,764 $ 11,488 $ 11,488 Mortgage notes receivable – net ​ 885,313 ​ ​ 924,353 ​ ​ 773,563 ​ 819,083 Other investments – net ​ 467,442 ​ ​ 474,552 ​ ​ 419,228 ​ 412,934 Total ​ $ 1,363,519 ​ $ 1,409,669 ​ $ 1,204,279 ​ $ 1,243,505 Liabilities: ​ ​ ​ ​ Revolving line of credit ​ $ 101,158 ​ $ 101,158 $ 125,000 ​ $ 125,000 Term loan ​ ​ 2,275 ​ ​ 2,275 ​ ​ 2,275 ​ ​ 2,275 U.S. term loan ​ — ​ ​ — ​ ​ 348,878 ​ 350,000 Sterling term loan ​ 136,453 ​ ​ 136,700 ​ ​ 132,059 ​ 132,480 Omega OP term loan ​ 49,896 ​ ​ 50,000 ​ ​ 74,763 ​ 75,000 2015 term loan ​ — ​ ​ — ​ ​ 249,038 ​ 250,000 4.375% notes due 2023 – net ​ 696,981 ​ ​ 770,635 ​ ​ 695,812 ​ 749,693 4.95% notes due 2024 – net ​ 396,714 ​ ​ 441,194 ​ ​ 395,702 ​ 442,327 4.50% notes due 2025 – net ​ 396,924 ​ ​ 444,652 ​ ​ 396,163 ​ 430,529 5.25% notes due 2026 – net ​ 596,437 ​ ​ 697,993 ​ ​ 595,732 ​ 675,078 4.50% notes due 2027 – net ​ 690,909 ​ ​ 794,294 ​ ​ 689,445 ​ 759,475 4.75% notes due 2028 – net ​ 542,899 ​ ​ 633,950 ​ ​ 541,891 ​ 602,967 3.625% notes due 2029 – net ​ ​ 489,472 ​ ​ 532,248 ​ ​ 488,263 ​ ​ 500,792 3.375% notes due 2031 – net ​ ​ 681,802 ​ ​ 731,541 ​ ​ — ​ ​ — HUD mortgages – net ​ ​ 367,249 ​ ​ 409,004 ​ ​ 387,405 ​ ​ 379,866 Subordinated debt – net ​ 20,083 ​ ​ 21,599 ​ ​ 13,714 ​ 15,253 Total ​ $ 5,169,252 ​ $ 5,767,243 ​ $ 5,136,140 ​ $ 5,490,735

TAXES (Tables)

TAXES (Tables)	12 Months Ended
	Dec. 31, 2020
Taxes [Abstract]
Schedule of components of income tax expense	The following is a summary of our provision for income taxes: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ 2020 2019 ​ 2018 ​ ​ (in millions) Provision for federal, state and local income taxes ​ $ 1.3 ​ $ 0.8 ​ $ 0.8 Provision for foreign income taxes ​ ​ 3.6 ​ ​ 2.0 ​ ​ 2.2 Total provision for income taxes (1) ​ $ 4.9 ​ $ 2.8 ​ $ 3.0 (1) The above amounts do not include income or franchise taxes payable to certain states and municipalities. ​
Schedule of deferred tax assets and liabilities	The following is a summary of deferred tax assets and liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, ​ 2020 2019 ​ ​ (in thousands) Deferred tax assets: ​ ​ Federal net operating loss carryforward ​ $ 1,194 ​ $ 1,199 ​ ​ ​ ​ ​ ​ ​ Deferred tax liability: ​ ​ Foreign deferred tax liability (1) ​ (10,766) ​ (11,350) Valuation allowance on deferred tax asset ​ (1,194) ​ (1,199) Net deferred tax liability ​ $ (10,766) ​ $ (11,350) (1) The deferred tax liability primarily resulted from inherited basis differences resulting from our acquisition of entities in the U.K. Subsequent adjustments to these accounts result from GAAP to tax differences related to depreciation, indexation and revenue recognition.

STOCKHOLDERS EQUITY (Tables)

STOCKHOLDERS EQUITY (Tables)	12 Months Ended
	Dec. 31, 2020
Stockholders Equity [Abstract]
Schedule of shares issued under Equity Shelf Programs	​ ​ ​ ​ ​ ​ ​ ​ Shares issued Average Price Net Proceeds Year Ended (in millions) Per Share (in millions) December 31, 2018 2.3 $ 33.18 $ 75.5 December 31, 2019 3.1 ​ 34.79 ​ 109.0 December 31, 2020 4.2 ​ 36.16 ​ 152.6
Schedule of dividend reinvestment and common stock purchase plan	​ ​ ​ ​ ​ ​ Shares issued Gross Proceeds Year Ended (in millions) (in millions) December 31, 2018 1.5 $ 46.8 December 31, 2019 3.0 ​ 115.1 December 31, 2020 0.1 ​ 3.7
Schedule of common stock dividends	​ ​ ​ ​ ​ ​ ​ Record ​ Payment ​ Dividend per Date Date Common Share January 31, 2020 ​ February 14, 2020 ​ $ 0.67 April 30, 2020 ​ May 15, 2020 ​ ​ 0.67 July 31, 2020 ​ August 14, 2020 ​ ​ 0.67 November 2, 2020 ​ November 16, 2020 ​ ​ 0.67 February 8, 2021 ​ February 16, 2021 ​ ​ 0.67
Schedule of per share distribution for income tax purpose	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, Common 2020 2019 2018 Ordinary income ​ $ 1.961 ​ $ 1.763 ​ $ 1.691 Return of capital ​ 0.654 ​ 0.591 ​ 0.931 Capital gains ​ 0.065 ​ 0.296 ​ 0.018 Total dividends paid ​ $ 2.680 ​ $ 2.650 ​ $ 2.640
Schedule of accumulated other comprehensive loss	The following is a summary of our accumulated other comprehensive loss, net of tax where applicable: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ As of and for the ​ ​ Year Ended December 31, ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 2019 2018 ​ ​ (in thousands) Foreign Currency Translation: ​ ​ ​ ​ Beginning balance ​ $ (35,100) ​ $ (47,704) ​ $ (26,033) Translation gain (loss) ​ 16,595 ​ 12,646 ​ (21,703) Realized gain (loss) ​ 78 ​ (42) ​ 32 Ending balance ​ (18,427) ​ (35,100) ​ (47,704) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Derivative Instruments: ​ ​ ​ Cash flow hedges: ​ ​ ​ Beginning balance ​ (2,369) ​ 3,994 ​ 1,463 Unrealized gain (loss) ​ 34,712 ​ (7,071) ​ 2,593 Realized (loss) gain (1) ​ (14,625) ​ 708 ​ (62) Ending balance ​ 17,718 ​ (2,369) ​ 3,994 Net investment hedge: ​ ​ ​ Beginning balance ​ (4,420) ​ 70 ​ (7,070) Unrealized (loss) gain ​ (8,911) ​ (4,490) ​ 7,140 Ending balance ​ (13,331) ​ (4,420) ​ 70 Total accumulated other comprehensive loss before noncontrolling interest ​ (14,040) ​ (41,889) ​ (43,640) Add: portion included in noncontrolling interest ​ 1,272 ​ 2,031 ​ 1,988 Total accumulated other comprehensive loss for Omega ​ $ (12,768) ​ $ (39,858) ​ $ (41,652) (1) Recorded in interest expense and loss on debt extinguishment on the Consolidated Statements of Operations.

STOCK-BASED COMPENSATION (Table

STOCK-BASED COMPENSATION (Tables)	12 Months Ended
	Dec. 31, 2020
Stock-Based Compensation [Abstract]
Schedule of assumptions used for estimating fair value of stock awards using Monte-Carlo model	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ January 1, ​ January 1, ​ January 1, ​ 2018 2019 ​ 2020 Closing price on date of grant ​ $ 27.54 ​ ​ ​ ​ $ 35.15 ​ ​ ​ ​ $ 42.35 ​ ​ ​ ​ Dividend yield ​ 9.44 % ​ ​ ​ ​ 7.51 % ​ ​ ​ ​ 6.33 % ​ ​ ​ Risk free interest rate at time of grant ​ 1.60 % to 2.05 % ​ 2.45 % to 2.57 % ​ 1.63 % to 1.68 % Expected volatility ​ 21.03 % to 23.24 % ​ 21.78 % to 22.76 % ​ 21.26 % to 21.97 %
Schedule of activity in RSUs, PRSUs and PIUs	The following table summarizes the activity in restricted stock, RSUs, PRSUs, and PIUs for the years ended December 31, 2018, 2019 and 2020: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Time Based ​ Performance Based ​ ​ ​ ​ Weighted - ​ Weighted - Total ​ ​ Number of ​ Average Grant- ​ Number of ​ Average Grant- ​ Compensation ​ ​ Shares/Omega ​ Date Fair Value ​ Shares/Omega ​ Date Fair Value ​ Cost (1) ​ OP Units per Share ​ OP Units per Share (in millions) Non-vested at December 31, 2017 337,509 ​ ​ 32.78 ​ 1,360,780 ​ ​ 14.82 ​ ​ Granted during 2018 217,717 ​ 28.19 ​ 1,012,032 ​ 10.40 ​ $ 16.60 Cancelled during 2018 (5,941) ​ 30.82 ​ — ​ — ​ Forfeited during 2018 ​ — ​ ​ — ​ (203,380) ​ ​ 11.82 ​ ​ ​ Vested during 2018 (190,412) ​ 33.89 ​ — ​ — ​ Non-vested at December 31, 2018 358,873 ​ ​ 29.44 ​ 2,169,432 ​ ​ 13.04 ​ Granted during 2019 160,158 ​ 35.20 ​ 822,584 ​ 14.80 ​ $ 17.82 Cancelled during 2019 (32,376) ​ 30.38 ​ (125,885) ​ 14.57 ​ Vested during 2019 (188,063) ​ 31.01 ​ (465,044) ​ 15.89 ​ Non-vested at December 31, 2019 298,592 ​ ​ 31.44 ​ 2,401,087 ​ ​ 13.01 ​ Granted during 2020 158,572 ​ 39.88 ​ 1,208,537 ​ 17.11 ​ $ 27.00 Cancelled during 2020 (2,006) ​ 42.05 ​ (54,076) ​ 16.52 ​ Vested during 2020 (2) (184,480) ​ 29.28 ​ (658,052) ​ 14.85 ​ Non-vested at December 31, 2020 270,678 ​ $ 37.78 ​ 2,897,496 ​ $ 14.24 ​ (1) Total compensation cost to be recognized on the awards based on grant date fair value (2) PRSUs are shown as vesting in the year that the Compensation Committee determines the level of achievement of the applicable performance measures

COMMITMENTS AND CONTINGENCIES (

COMMITMENTS AND CONTINGENCIES (Tables)	12 Months Ended
	Dec. 31, 2020
COMMITMENTS AND CONTINGENCIES [Abstract]
Schedule of remaining commitments	Our remaining commitments at December 31, 2020, are outlined in the table below (in thousands): ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total commitments $ 557,119 ​ ​ Amounts funded to date (1) ​ (450,766) ​ ​ Remaining commitments (2) ​ $ 106,353 ​ ​ (1) Includes finance costs. (2) This amount excludes our remaining commitments to fund under our other investments of approximately $95.7 million.

SUPPLEMENTAL DISCLOSURE TO CO_2

SUPPLEMENTAL DISCLOSURE TO CONSOLIDATED STATEMENTS OF CASH FLOWS (Tables)	12 Months Ended
	Dec. 31, 2020
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Schedule of Cash Flow Supplemental Disclosures	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, ​ 2020 2019 2018 ​ (in thousands) Reconciliation of cash and cash equivalents and restricted cash: ​ ​ ​ ​ ​ ​ ​ ​ ​ Cash and cash equivalents ​ $ 163,535 $ 24,117 $ 10,300 Restricted cash ​ 4,023 ​ 9,263 ​ 1,371 Cash, cash equivalents and restricted cash at end of year ​ $ 167,558 ​ $ 33,380 ​ $ 11,671 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Supplemental information: ​ ​ ​ Interest paid during the year, net of amounts capitalized ​ $ 216,206 ​ $ 205,943 ​ $ 211,863 Taxes paid during the year ​ $ 6,974 ​ $ 5,097 ​ $ 4,772 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Non cash investing activities ​ ​ ​ Non cash acquisition of business (See Note 3) ​ $ (1,826) ​ $ (566,966) ​ $ — Non cash acquisition of real estate (See Note 3) ​ ​ — ​ ​ (531,801) ​ ​ (185,592) Non cash proceeds from sale of real estate investments (See Note 3 and Note 5) ​ 83,910 ​ ​ — ​ ​ 53,118 Non cash placement of mortgage principal (See Note 3 and Note 5) ​ ​ (86,936) ​ ​ — ​ ​ — Non cash surrender of mortgage (See Note 3) ​ — ​ 11,874 ​ — Non cash investment in other investments (See Note 6) ​ (121,139) ​ (27,408) ​ (16,153) Non cash proceeds from other investments (See Note 3 and Note 6) ​ 68,025 ​ 149,542 ​ 7,000 Non cash settlement of direct financing lease (See Note 3) ​ ​ — ​ 4,970 ​ 184,462 Initial non cash right of use asset - ground leases ​ ​ — ​ ​ 5,593 ​ ​ — Initial non cash lease liability - ground leases ​ ​ — ​ ​ (5,593) ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Non cash financing activities ​ ​ ​ ​ ​ Debt assumed in merger (see Note 3) ​ $ — ​ $ 285,100 ​ $ — Stock exchanged in merger (see Note 3) ​ ​ — ​ ​ 281,865 ​ ​ — Acquisition of other long term borrowings (see Note 13) ​ ​ — ​ ​ 388,627 ​ ​ — Non cash disposition of other long-term borrowings (see Note 13) ​ — ​ ​ — ​ ​ (53,118) Non cash borrowing (repayment) of other long term debt (see Note 13) ​ ​ 6,459 ​ ​ (6,459) ​ ​ — Change in fair value of cash flow hedges ​ 19,788 ​ (7,757) ​ 2,531 Remeasurement of debt denominated in a foreign currency ​ ​ 8,911 ​ 4,490 ​ (7,140)

EARNINGS PER SHARE (Tables)

EARNINGS PER SHARE (Tables)	12 Months Ended
	Dec. 31, 2020
Earnings per Share [Abstract]
Schedule of Computation of Basic and Diluted Earnings per Share	The following tables set forth the computation of basic and diluted earnings per share: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, ​ 2020 2019 2018 ​ ​ (in thousands, except per share amounts) Numerator: ​ ​ ​ ​ Net income ​ $ 163,545 ​ $ 351,947 ​ $ 293,884 Deduct: net income attributable to noncontrolling interests ​ (4,218) ​ (10,824) ​ (12,306) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Net income available to common stockholders ​ $ 159,327 ​ $ 341,123 ​ $ 281,578 Denominator: ​ ​ ​ Denominator for basic earnings per share ​ 227,741 ​ 213,404 ​ 200,279 Effect of dilutive securities: ​ ​ ​ Common stock equivalents ​ 1,239 ​ 1,753 ​ 691 Net forward share contract ​ ​ — ​ ​ 179 ​ ​ — Noncontrolling interest – Omega OP Units ​ 6,124 ​ 6,789 ​ 8,741 Denominator for diluted earnings per share ​ 235,104 ​ 222,125 ​ 209,711 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Earnings per share - basic: ​ ​ ​ Net income available to common stockholders ​ $ 0.70 ​ $ 1.60 ​ $ 1.41 Earnings per share – diluted: ​ ​ ​ Net income ​ $ 0.70 ​ $ 1.58 ​ $ 1.40

ORGANIZATION AND BASIS OF PRE_2

ORGANIZATION AND BASIS OF PRESENTATION (Details)	May 17, 2019$ / shares	Dec. 31, 2020segment$ / shares	Dec. 31, 2019$ / shares	Dec. 31, 2018$ / shares
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of reportable segment | segment		1
Special cash dividend (per share)		$ 2.68	$ 2.65	$ 2.64
Omega OP
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of limited partnership interests owned		97.00%
Other Investors | Omega OP
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of limited partnership interests owned		3.00%
MedEquities
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Business combination acquirees' stockholders conversion ratio of acquirer's stock received	0.235
Business combination acquirees stockholder's additional cash amount per share received	$ 2

SUMMARY OF SIGNIFICANT ACCOUN_4

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Detail)	12 Months Ended
	Dec. 31, 2020USD ($)leasefacilitypropertyitem$ / sharesshares	Dec. 31, 2019USD ($)item$ / shares	Dec. 31, 2018USD ($)	Jan. 01, 2020USD ($)	Jan. 01, 2019USD ($)	Jan. 01, 2018USD ($)	Dec. 31, 2017USD ($)
Accounting Policies [Line Items]
Impairment on real estate properties	$ 72,494,000	$ 45,264,000	$ 29,839,000
Equity method investment, other than temporary impairment	0	0	0
Cash, FDIC insured amount	250,000
Accrued expenses and other liabilities	$ 280,824,000	$ 312,040,000
Number of operators being recognized on a cash basis | item	4	5
Recovery of provisions for other losses			4,800,000
Impairment of goodwill	$ 0	$ 0	0
Provision of of straight-line rent and contractual receivables		11,100,000	11,500,000
Lessor - annual percentage increases over the rents of the prior year, minimum	2.00%
Lessor - annual percentage increases over the rents of the prior year, maximum	3.00%
Amortization of financing cost	$ 10,100,000	$ 9,600,000	9,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.10	$ 0.10
Number of units tendered for redemption of unregistered shares | shares	1
Number of facilities owned | facility	967
Net cash provided by (used in) operating activities	$ 708,256,000	$ 553,747,000	499,373,000
Increase in cash, cash equivalents, and restricted cash	134,178,000	21,709,000	(85,137,000)
Deferred gain resulting from sale of facilities to third party through retained earnings						$ 10,000,000
Cumulative effect of accounting change	4,036,607,000	4,336,594,000	3,764,484,000				$ 3,888,258,000
Rental income	753,427,000	804,076,000	767,340,000
Real estate tax expense	12,316,000	14,933,000
General and administrative - ground lease expense	$ 1,448,000	1,208,000
Depreciation method	straight-line basis
Lease inducements	$ 83,425,000	92,628,000
Financing Receivable, Practical Expedient, Accrued Interest Exclusion [true false]	true
Lease, Practical Expedients, Package [true false]	true
Financing receivable, allowance for credit losses	$ 67,841,000	28,785,000
Accrued investment income receivable	10,000,000
Interest receivable	12,195,000	$ 12,914,000
Provision for Credit Losses	$ 34,151,000
Number of operators | item	69
Lessee, Operating Lease, Existence of Option to Terminate [true false]	true
Number of leases accounted for direct finance leases | lease	1
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Number of operators provided funding by entity | item	4
Number of operators lease inducements amortized as reduction to rental income | item		7
Cumulative Effect, Period of Adoption, Adjustment [Member]
Accounting Policies [Line Items]
Cumulative effect of accounting change		$ (28,785,000)	(8,490,000)				$ 10,000,000
Minimum
Accounting Policies [Line Items]
Lessor, operating lease, term of contract	5 years
Percentage of annual increase over prior year's rent	1.00%
Maximum
Accounting Policies [Line Items]
Lessor, operating lease, term of contract	15 years
Percentage of annual increase over prior year's rent	3.00%
Contractual Receivable [Member]
Accounting Policies [Line Items]
Provision for Credit Losses	$ 3,800,000
Accounting Standards Update 2014-09 [Member]
Accounting Policies [Line Items]
Deferred gain resulting from sale of facilities to third party through retained earnings						$ 10,000,000
Accounting Standards Update 2016-13 [Member] | Restatement Adjustment [Member]
Accounting Policies [Line Items]
Financing receivable, allowance for credit losses				$ 28,800,000
Accounting Standards Update 2016-02 [Member]
Accounting Policies [Line Items]
Operating lease, right of use asset					$ 11,100,000
Lease liability					11,100,000
Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accounting Policies [Line Items]
Cumulative effect of accounting change					$ 8,500,000
Cash Flow Hedging [Member]
Accounting Policies [Line Items]
Cash flow hedges recorded at fair value, asset	17,000,000
Cash flow hedges recorded at fair value, liability	$ 1,000,000	3,700,000
Omega OP
Accounting Policies [Line Items]
Percentage of limited partnership interests owned	97.00%
Omega Op Units [Member] | Omega OP
Accounting Policies [Line Items]
Percentage of limited partnership interests owned	97.00%
Other Investors | Omega OP
Accounting Policies [Line Items]
Percentage of limited partnership interests owned	3.00%
Genesis HealthCare
Accounting Policies [Line Items]
Lease inducements		15,000,000
Agemo Holdings LLC
Accounting Policies [Line Items]
Provision of of straight-line rent and contractual receivables	$ 75,300,000
Maplewood Real Estate Holdings
Accounting Policies [Line Items]
Lease inducements	23,900,000
Existing Operator
Accounting Policies [Line Items]
Payment made to operator to buyout out in money purchase option			50,000,000
Provision of of straight-line rent and contractual receivables	3,600,000	1,200,000
Lease inducements			28,000,000
Reduction of contingent liability amount			$ 22,000,000
Seven Other Existing Operators [Member]
Accounting Policies [Line Items]
Lease inducements		35,800,000
Five Operators [Member]
Accounting Policies [Line Items]
Provision of of straight-line rent and contractual receivables		9,900,000
Certain Operators [Member]
Accounting Policies [Line Items]
Lease inducements		$ 50,800,000
One Operator Placed On Cash Basis [Member]
Accounting Policies [Line Items]
Provision for Credit Losses	3,800,000
Four Operators Placed On Cash Basis [Member]
Accounting Policies [Line Items]
Provision of of straight-line rent and contractual receivables	143,000,000
Four Operators Placed On Cash Basis [Member] | Genesis HealthCare
Accounting Policies [Line Items]
Provision of of straight-line rent and contractual receivables	64,900,000
Four Operators Placed On Cash Basis [Member] | Agemo Holdings LLC
Accounting Policies [Line Items]
Provision of of straight-line rent and contractual receivables	75,300,000
Four Operators Placed On Cash Basis [Member] | Two Operators Placed on Cash Basis [Member]
Accounting Policies [Line Items]
Provision of of straight-line rent and contractual receivables	$ 2,800,000
Four Operators Placed On Cash Basis [Member] | Facilities Leased | Two Operators Placed on Cash Basis [Member]
Accounting Policies [Line Items]
Number of facilities owned | facility	5
Third Party Operator [Member] | Maplewood Real Estate Holdings
Accounting Policies [Line Items]
Rental income	$ 55,400,000
Four Operators [Member]
Accounting Policies [Line Items]
Lease inducements	$ 34,100,000
Building | Minimum
Accounting Policies [Line Items]
Estimated useful lives	20 years
Building | Maximum
Accounting Policies [Line Items]
Estimated useful lives	40 years
Site improvements | Minimum
Accounting Policies [Line Items]
Estimated useful lives	8 years
Site improvements | Maximum
Accounting Policies [Line Items]
Estimated useful lives	15 years
Furniture and Equipment | Minimum
Accounting Policies [Line Items]
Estimated useful lives	3 years
Furniture and Equipment | Maximum
Accounting Policies [Line Items]
Estimated useful lives	10 years
Skill Nursing Facilities Leases [Member]
Accounting Policies [Line Items]
Number of facilities owned | property	737
Assisted Living Facilities Leased [Member]
Accounting Policies [Line Items]
Number of facilities owned | property	115
Specialty Facilities Leased [Member]
Accounting Policies [Line Items]
Number of facilities owned | property	28
Medical Office Buildings Leased [Member]
Accounting Policies [Line Items]
Number of facilities owned | facility	2
Ground leases | Minimum
Accounting Policies [Line Items]
Lessee, Operating Lease, Term of Contract	10 years
Ground leases | Maximum
Accounting Policies [Line Items]
Lessee, Operating Lease, Term of Contract	100 years
Office leases
Accounting Policies [Line Items]
Lessee, Operating Lease, Term of Contract	10 years

SUMMARY OF SIGNIFICANT ACCOUN_5

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of credit losses impact) (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Mortgage notes receivable - net	$ 885,313	$ 752,177	$ 773,563
Investments in direct financing leases - net	10,764	10,877	11,488
Other investments - net	$ 467,442	412,540	419,228
Off-Balance Sheet Commitments		20,677	20,777
Financing Receivable, Collectively Evaluated for Impairment		1,196,271	$ 1,225,056
Restatement Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Mortgage notes receivable - net		(21,386)
Investments in direct financing leases - net		(611)
Other investments - net		(6,688)
Off-Balance Sheet Commitments		(100)
Financing Receivable, Collectively Evaluated for Impairment		$ (28,785)

SUMMARY OF SIGNIFICANT ACCOUN_6

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule by segment balance by vintage and credit quality indicator) (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
2020	$ 149,712
2019	74,618
2018	215,217
2017	46,474
2016	120,636
2015	90,476
2014 & older	549,226
Revolving Loans	182,556
Total Balance at December 31, 2020	1,428,915
Mortgage Receivable [Member]
2020	132,156
2019	17,383
2018	63,426
2017	46,474
2016	37,076
2015	76,573
2014 & older	545,470
Total Balance at December 31, 2020	918,558	$ 778,468
Mortgage Receivable [Member] | Internal Credit Rating One [Member]
2015	67,012
Total Balance at December 31, 2020	67,012
Mortgage Receivable [Member] | Internal Credit Rating Two [Member]
2020	43,150
Total Balance at December 31, 2020	43,150
Mortgage Receivable [Member] | Internal Credit Rating Three [Member]
2014 & older	35,964
Total Balance at December 31, 2020	35,964
Mortgage Receivable [Member] | Internal Credit Rating Four [Member]
2020	89,006
2019	17,383
2018	44,426
2017	46,474
2016	37,076
2015	9,561
2014 & older	495,438
Total Balance at December 31, 2020	739,364
Mortgage Receivable [Member] | Internal Credit Rating Five [Member]
2018	19,000
2014 & older	7,691
Total Balance at December 31, 2020	26,691
Mortgage Receivable [Member] | Internal Credit Rating Six [Member]
2014 & older	6,377
Total Balance at December 31, 2020	6,377
Direct Financing Lease [Member]
2015	11,458
Total Balance at December 31, 2020	11,458
Direct Financing Lease [Member] | Internal Credit Rating Three [Member]
2015	11,458
Total Balance at December 31, 2020	11,458
Other Investment Receivables [Member]
2020	17,556
2019	57,235
2018	151,791
2016	83,560
2015	2,445
2014 & older	3,756
Revolving Loans	182,556
Total Balance at December 31, 2020	498,899	$ 419,228
Other Investment Receivables [Member] | Internal Credit Rating One [Member]
2020	17,556
Total Balance at December 31, 2020	17,556
Other Investment Receivables [Member] | Internal Credit Rating Two [Member]
2015	2,082
Revolving Loans	15,265
Total Balance at December 31, 2020	17,347
Other Investment Receivables [Member] | Internal Credit Rating Three [Member]
2019	22,442
2018	31,491
2015	363
2014 & older	3,756
Revolving Loans	161,591
Total Balance at December 31, 2020	219,643
Other Investment Receivables [Member] | Internal Credit Rating Four [Member]
2019	12,131
2018	114,375
2016	82,960
Revolving Loans	5,000
Total Balance at December 31, 2020	214,466
Other Investment Receivables [Member] | Internal Credit Rating Five [Member]
2019	22,662
2018	5,925
2016	600
Revolving Loans	700
Total Balance at December 31, 2020	$ 29,887

SUMMARY OF SIGNIFICANT ACCOUN_7

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of expected credit loss per segment) (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)
ECL balance	$ 67,841
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	28,785
Provision for Credit Losses	34,151
Write-offs charged against allowance for the period ended	(217)
ECL Ending balance	67,841
Off Balance Financing Receivable Segment [Member]
ECL balance	2,445
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	100
Provision for Credit Losses	2,345
ECL Ending balance	2,445
Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	33,245
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	21,386
Provision for Credit Losses	6,954
ECL Ending balance	33,245
Direct Financing Lease [Member] | Finance Leases Portfolio Segment [Member]
ECL balance	694
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	611
Provision for Credit Losses	83
Write-offs charged against allowance for the period ended	(217)
ECL Ending balance	694
Other Investment Receivables [Member]
ECL balance	31,457
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	6,688
Provision for Credit Losses	24,769
ECL Ending balance	31,457
Internal Credit Rating Two [Member] | Off Balance Sheet Financing Receivable Segment Note Commitment [Member]
ECL balance	116
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Credit Losses	116
ECL Ending balance	116
Internal Credit Rating Two [Member] | Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	88
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Credit Losses	88
ECL Ending balance	88
Internal Credit Rating Two [Member] | Other Investment Receivables [Member] | Other Investment Financing Receivable Segment [Member]
ECL balance	94
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	195
Provision for Credit Losses	(101)
ECL Ending balance	94
Internal Credit Rating Three [Member] | Off Balance Sheet Financing Receivable Segment Note Commitment [Member]
ECL balance	2,305
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Credit Losses	2,305
ECL Ending balance	2,305
Internal Credit Rating Three [Member] | Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	954
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	901
Provision for Credit Losses	53
ECL Ending balance	954
Internal Credit Rating Three [Member] | Direct Financing Lease [Member] | Finance Leases Portfolio Segment [Member]
ECL balance	694
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	611
Provision for Credit Losses	83
Write-offs charged against allowance for the period ended	(217)
ECL Ending balance	694
Internal Credit Rating Three [Member] | Other Investment Receivables [Member] | Other Investment Financing Receivable Segment [Member]
ECL balance	5,113
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	1,434
Provision for Credit Losses	3,679
ECL Ending balance	5,113
Internal Credit Rating Four [Member] | Off Balance Sheet Financing Receivable Segment Mortgage Commitment [Member]
ECL balance	24
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	100
Provision for Credit Losses	(76)
ECL Ending balance	24
Internal Credit Rating Four [Member] | Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	26,865
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	19,293
Provision for Credit Losses	7,572
ECL Ending balance	26,865
Internal Credit Rating Four [Member] | Other Investment Receivables [Member] | Other Investment Financing Receivable Segment [Member]
ECL balance	24,397
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	3,158
Provision for Credit Losses	21,239
ECL Ending balance	24,397
Internal Credit Rating Five [Member] | Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	433
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	829
Provision for Credit Losses	(396)
ECL Ending balance	433
Internal Credit Rating Five [Member] | Other Investment Receivables [Member] | Other Investment Financing Receivable Segment [Member]
ECL balance	1,853
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	1,901
Provision for Credit Losses	(48)
ECL Ending balance	1,853
Internal Credit Rating Six [Member] | Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	4,905
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	363
Provision for Credit Losses	(363)
ECL Ending balance	4,905
Previous Accounting Guidance [Member]
ECL balance	5,122
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	5,122
Previous Accounting Guidance [Member] | Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	4,905
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	4,905
Previous Accounting Guidance [Member] | Direct Financing Lease [Member] | Finance Leases Portfolio Segment [Member]
ECL balance	217
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	217
Previous Accounting Guidance [Member] | Internal Credit Rating Three [Member] | Direct Financing Lease [Member] | Finance Leases Portfolio Segment [Member]
ECL balance	217
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	217
Previous Accounting Guidance [Member] | Internal Credit Rating Six [Member] | Mortgage Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
ECL balance	4,905
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
ECL Beginning balance	$ 4,905

SUMMARY OF SIGNIFICANT ACCOUN_8

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Accounts Receivable) (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Contractual receivables - net	$ 10,408	$ 27,122
Effective yield interest receivables	12,195	12,914
Straight-line rent receivables	139,046	275,549
Lease inducements	83,425	92,628
Other receivables and lease inducements	$ 234,666	$ 381,091

PROPERTIES (Leased Property) (N

PROPERTIES (Leased Property) (Narrative) (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2020USD ($)facilityproperty	Dec. 31, 2019USD ($)property	Dec. 31, 2018USD ($)
Real Estate Properties [Line Items]
Number of real estate properties | facility	967
Capitalized interest | $	$ 10	$ 13.9	$ 11.1
Ground and/or Facility Leases [Member] | Scenario, Plan [Member]
Real Estate Properties [Line Items]
Payments for rent | $	$ 2.2	$ 2.2
Skill Nursing Facilities Leases [Member]
Real Estate Properties [Line Items]
Number of real estate properties	737
Skill Nursing Facilities Leases [Member] | Ground and/or Facility Leases [Member]
Real Estate Properties [Line Items]
Number of real estate properties	11	11
Assisted Living Facilities Leased [Member]
Real Estate Properties [Line Items]
Number of real estate properties	115
Specialty Facilities Leased [Member]
Real Estate Properties [Line Items]
Number of real estate properties	28
Medical Office Buildings Leased [Member]
Real Estate Properties [Line Items]
Number of real estate properties | facility	2
Office Building [Member] | Ground and/or Facility Leases [Member]
Real Estate Properties [Line Items]
Number of real estate properties	2	2

PROPERTIES (Summary of our inve

PROPERTIES (Summary of our investment in leased real estate properties) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total real estate investments	$ 8,702,154	$ 8,985,994
Less accumulated depreciation	(1,996,914)	(1,787,425)
Real estate investments - net	6,705,240	7,198,569
Building
Property, Plant and Equipment [Line Items]
Total real estate investments	6,961,509	7,056,106
Land
Property, Plant and Equipment [Line Items]
Total real estate investments	883,765	901,246
Furniture and Equipment
Property, Plant and Equipment [Line Items]
Total real estate investments	518,664	515,421
Building And Site Improvements
Property, Plant and Equipment [Line Items]
Total real estate investments	308,087	287,655
Construction in Progress
Property, Plant and Equipment [Line Items]
Total real estate investments	$ 30,129	$ 225,566

PROPERTIES (Schedule of operati

PROPERTIES (Schedule of operating lease income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Lease, Lease Income [Abstract]
Rental income - operating leases	$ 741,681	$ 792,010
Variable lease income - operating leases	11,746	12,066
Total lease income	753,427	804,076	$ 767,340
Lessor, Lease, Lease Expenses [Abstract]
Real estate taxes	12,316	14,933
General and administrative - ground lease expense	1,448	1,208
Total	$ 13,764	$ 16,141

PROPERTIES (Schedule of estimat

PROPERTIES (Schedule of estimated contractual rents due under operating leases) (Details) $ in Thousands	Dec. 31, 2020USD ($)
Estimated contractual rents due under operating leases
2021	$ 867,780
2022	868,976
2023	863,985
2024	875,099
2025	878,956
Thereafter	4,259,773
Total	$ 8,614,569

PROPERTIES (Schedule of Signifi

PROPERTIES (Schedule of Significant Acquisitions) (Detail) $ in Millions

3 Months Ended

12 Months Ended

Dec. 31, 2020USD ($)facility

Jun. 30, 2020USD ($)facility

Mar. 31, 2020USD ($)facility

Dec. 31, 2019USD ($)facility

Sep. 30, 2019USD ($)facility

Jun. 30, 2019USD ($)facility

Mar. 31, 2019USD ($)facility

Dec. 31, 2018USD ($)facility

Jun. 30, 2018USD ($)facility

Mar. 31, 2018USD ($)facility

Dec. 31, 2020USD ($)facility

Dec. 31, 2019USD ($)facility

Dec. 31, 2018USD ($)facility

Real Estate Properties [Line Items]

Number of real estate properties

967

967

Skilled Nursing Facilities

Real Estate Properties [Line Items]

Number of real estate properties

738

738

Assisted Living Facilities

Real Estate Properties [Line Items]

Number of real estate properties

115

115

Specialty

Real Estate Properties [Line Items]

Number of real estate properties

28

28

Medical Office Building

Real Estate Properties [Line Items]

Number of real estate properties

2

2

Facilities Acquired

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 104.4

$ 1,344.5

$ 105.7

Facilities Acquired | Ohio

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 6.9

$ 11.9

$ 9.2

Initial Annual Cash Yield (%)

9.50%

12.00%

9.50%

Facilities Acquired | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member]

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 440.7

Initial Annual Cash Yield (%)

9.82%

Facilities Acquired | North Carolina and Virginia

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 24.9

Initial Annual Cash Yield (%)

9.50%

Facilities Acquired | Virginia

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 78.4

$ 13.2

Initial Annual Cash Yield (%)

9.50%

9.50%

Facilities Acquired | United Kingdom

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 12.1

Initial Annual Cash Yield (%)

8.00%

Facilities Acquired | UNITED KINGDOM One

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 4

Initial Annual Cash Yield (%)

8.50%

Deferred tax liability | $

$ 0.4

Facilities Acquired | UNITED KINGDOM Two

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 5.7

Initial Annual Cash Yield (%)

8.50%

Deferred tax liability | $

$ 0.2

Facilities Acquired | Texas

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 22.8

Initial Annual Cash Yield (%)

9.50%

Facilities Acquired | Indiana

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 7

$ 8.3

Initial Annual Cash Yield (%)

9.50%

9.50%

Facilities Acquired | Pennsylvania And Virginia [Member]

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 131.8

Initial Annual Cash Yield (%)

9.35%

Facilities Acquired | Pennsylvania

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 35.1

$ 7.4

Initial Annual Cash Yield (%)

9.50%

9.50%

Facilities Acquired | Florida Idaho Kentucky Louisiana Mississippi Missouri Montana And North Carolina [Member]

Real Estate Properties [Line Items]

Payments to acquire businesses, gross | $

$ 735.2

Initial Annual Cash Yield (%)

8.71%

Facilities Acquired | Skilled Nursing Facilities

Real Estate Properties [Line Items]

Number of real estate properties

8

89

12

8

89

12

Facilities Acquired | Skilled Nursing Facilities | Ohio

Real Estate Properties [Line Items]

Number of real estate properties

1

1

1

1

Facilities Acquired | Skilled Nursing Facilities | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member]

Real Estate Properties [Line Items]

Number of real estate properties

20

Facilities Acquired | Skilled Nursing Facilities | North Carolina and Virginia

Real Estate Properties [Line Items]

Number of real estate properties

3

Facilities Acquired | Skilled Nursing Facilities | Virginia

Real Estate Properties [Line Items]

Number of real estate properties

6

1

6

Facilities Acquired | Skilled Nursing Facilities | Texas

Real Estate Properties [Line Items]

Number of real estate properties

5

Facilities Acquired | Skilled Nursing Facilities | Indiana

Real Estate Properties [Line Items]

Number of real estate properties

1

1

1

Facilities Acquired | Skilled Nursing Facilities | Pennsylvania And Virginia [Member]

Real Estate Properties [Line Items]

Number of real estate properties

7

Facilities Acquired | Skilled Nursing Facilities | Pennsylvania

Real Estate Properties [Line Items]

Number of real estate properties

3

1

3

Facilities Acquired | Skilled Nursing Facilities | Florida Idaho Kentucky Louisiana Mississippi Missouri Montana And North Carolina [Member]

Real Estate Properties [Line Items]

Number of real estate properties

58

58

Facilities Acquired | Assisted Living Facilities

Real Estate Properties [Line Items]

Number of real estate properties

3

4

3

4

Facilities Acquired | Assisted Living Facilities | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member]

Real Estate Properties [Line Items]

Number of real estate properties

1

Facilities Acquired | Assisted Living Facilities | Virginia

Real Estate Properties [Line Items]

Number of real estate properties

1

1

Facilities Acquired | Assisted Living Facilities | United Kingdom

Real Estate Properties [Line Items]

Number of real estate properties

2

Facilities Acquired | Assisted Living Facilities | Pennsylvania And Virginia [Member]

Real Estate Properties [Line Items]

Number of real estate properties

1

Facilities Acquired | Assisted Living Facilities | Florida Idaho Kentucky Louisiana Mississippi Missouri Montana And North Carolina [Member]

Real Estate Properties [Line Items]

Number of real estate properties

2

2

Facilities Acquired | Assisted Living and Independent Living Facilities

Real Estate Properties [Line Items]

Number of real estate properties

3

3

Facilities Acquired | Assisted Living and Independent Living Facilities | UNITED KINGDOM One

Real Estate Properties [Line Items]

Number of real estate properties

1

Facilities Acquired | Assisted Living and Independent Living Facilities | UNITED KINGDOM Two

Real Estate Properties [Line Items]

Number of real estate properties

1

Facilities Acquired | Assisted Living and Independent Living Facilities | Pennsylvania

Real Estate Properties [Line Items]

Number of real estate properties

1

1

Facilities Acquired | Specialty

Real Estate Properties [Line Items]

Number of real estate properties

14

14

Facilities Acquired | Specialty | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member]

Real Estate Properties [Line Items]

Number of real estate properties

11

Facilities Acquired | Specialty | Pennsylvania And Virginia [Member]

Real Estate Properties [Line Items]

Number of real estate properties

3

Facilities Acquired | Medical Office Building

Real Estate Properties [Line Items]

Number of real estate properties

1

1

Facilities Acquired | Medical Office Building | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member]

Real Estate Properties [Line Items]

Number of real estate properties

1

Facilities Transitioned To Five Other Operators [Member] | Skilled Nursing Facilities

Real Estate Properties [Line Items]

Number of real estate properties

21

21

Facilities Transitioned To Five Other Operators [Member] | Assisted Living Facilities

Real Estate Properties [Line Items]

Number of real estate properties

1

1

PROPERTIES (Encore Portfolio) (

PROPERTIES (Encore Portfolio) (Narrative) (Detail) $ in Thousands	Oct. 31, 2019USD ($)facility	Dec. 31, 2020USD ($)facility	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)
Number of real estate properties | facility		967
Mortgage loans on real estate, new mortgage loans		$ 149,957	$ 129,108	$ 65,841
Encore Portfolio [Member]
Purchase price of assets acquired	$ 757,000
Cash payment to acquire facilities	$ 369,000
Facilities Acquired | Encore Portfolio [Member]
Number of real estate properties | facility	60
Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Mortgage loans on real estate, new mortgage loans	$ 389,000
Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member] | Encore Portfolio [Member]
Mortgage loans on real estate, new mortgage loans	$ 389,000

PROPERTIES (MedEquities Merger)

PROPERTIES (MedEquities Merger) (Narrative) (Detail) $ / shares in Units, $ in Thousands, shares in Millions	May 17, 2019USD ($)loanitemfacility$ / sharesshares	Dec. 31, 2019USD ($)	Dec. 31, 2020USD ($)statefacility$ / shares	Dec. 31, 2019USD ($)$ / shares	Dec. 31, 2018USD ($)$ / shares
Business Acquisition [Line Items]
Special cash dividend (per share) | $ / shares			$ 2.68	$ 2.65	$ 2.64
Number of real estate properties | facility			967
Number of states | state			40
Acquisition related costs			$ 2,018	$ 5,115	$ 383
Revenues			892,381	928,830	881,682
MedEquities
Business Acquisition [Line Items]
Business combination acquirees' stockholders conversion ratio of acquirer's stock received	0.235
Business combination acquirees stockholder's additional cash amount per share received | $ / shares	$ 2
Cash payment to acquire facilities	$ 63,700
Number of shares issued | shares	7.5
Loan amount	$ 350,000
Mortgage loans on real estate, number of loans | loan	4
Number of other investments acquired | item	3
Number of unconsolidated joint ventures acquired | item	1
Consideration	$ 346,000
Acquisition related costs		$ 5,100
Revenues		$ 35,200
Facilities Acquired
Business Acquisition [Line Items]
Consideration			$ 104,400	$ 1,344,500	$ 105,700
Facilities Acquired | MedEquities
Business Acquisition [Line Items]
Number of real estate properties | facility	33

PROPERTIES (Pro Forma Acquisiti

PROPERTIES (Pro Forma Acquisition Results) (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings per share - diluted:
Net income - as reported	$ 0.70	$ 1.58	$ 1.40
Pro Forma [Member]
Business Acquisition, Pro Forma Information [Abstract]
Pro forma revenues		$ 950,318	$ 938,782
Pro forma net income		$ 362,220	$ 321,232
Earnings per share - diluted:
Net income - as reported		$ 1.58	$ 1.40
Net income - pro forma		$ 1.60	$ 1.48

PROPERTIES (Fair Value of Asset

PROPERTIES (Fair Value of Assets Acquired and Liabilities Assumed) (Detail) - USD ($) $ in Thousands	May 17, 2019	Oct. 31, 2019
MedEquities
Business Acquisition [Line Items]
Real estate investments	$ 440,690
Mortgage notes receivable	108,097
Other investments	19,192
Investment in unconsolidated joint venture	73,834
Cash	4,067
Contractual receivables	1,002
Other assets	7,698
Total investments	654,580
Borrowings / debt	(285,100)
Accrued expenses and other liabilities	(23,931)
Fair value of net assets acquired	345,549
Above market lease assets, acquired	2,500
Below market leases, assumed	$ 1,100
Encore Portfolio [Member]
Business Acquisition [Line Items]
Real estate investments		$ 735,182
Other investments		600
Cash		227
Contractual receivables		2,216
Other assets		28,173
Total investments		766,398
Accrued expenses and other liabilities		(8,978)
Fair value of net assets acquired		368,793
Encore Portfolio [Member] | Secured Debt [Member]
Business Acquisition [Line Items]
Borrowings / debt		$ (388,627)

PROPERTIES (Acquisitions and Ot

PROPERTIES (Acquisitions and Other) (Narrative) (Detail) $ in Thousands	3 Months Ended					12 Months Ended
	Jun. 30, 2020USD ($)facility	Mar. 31, 2020USD ($)facility	Jun. 30, 2019USD ($)facility	Mar. 31, 2019USD ($)facility	Dec. 31, 2018USD ($)facility	Dec. 31, 2020USD ($)facility	Dec. 31, 2019USD ($)facility	Dec. 31, 2018USD ($)facility
Real Estate Properties [Line Items]
Number of real estate properties | facility						967
Real estate investments | $						$ 8,702,154	$ 8,985,994
Other investments, gross | $						1,428,915
Facilities Acquired
Real Estate Properties [Line Items]
Total Investment | $						$ 104,400	$ 1,344,500	$ 105,700
Minimum
Real Estate Properties [Line Items]
Claims against indemnities term								18 months
Maximum
Real Estate Properties [Line Items]
Claims against indemnities term								36 months
Indiana | Facilities Acquired
Real Estate Properties [Line Items]
Percentage of annual cash yield		9.50%			9.50%
Total Investment | $		$ 7,000			$ 8,300
Ohio | Facilities Acquired
Real Estate Properties [Line Items]
Percentage of annual cash yield	9.50%			12.00%	9.50%
Total Investment | $	$ 6,900			$ 11,900	$ 9,200
California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member] | Facilities Acquired
Real Estate Properties [Line Items]
Percentage of annual cash yield			9.82%
Total Investment | $			$ 440,700
21 Skilled Nursing Facilities and 1 Assisted Living Facility | Five Operators [Member]
Real Estate Properties [Line Items]
Carrying amount of facility Net | $					$ 184,500			$ 184,500
Percentage of annual cash yield								9.00%
Skilled Nursing Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility						738
Skilled Nursing Facilities | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility					12	8	89	12
Skilled Nursing Facilities | Facilities Transitioned To Five Other Operators [Member]
Real Estate Properties [Line Items]
Number of real estate properties | facility					21			21
Skilled Nursing Facilities | Indiana | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility		1			1			1
Skilled Nursing Facilities | Ohio | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility	1			1	1			1
Skilled Nursing Facilities | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member] | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility			20
Assisted Living Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility						115
Assisted Living Facilities | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility						3	4
Assisted Living Facilities | Facilities Transitioned To Five Other Operators [Member]
Real Estate Properties [Line Items]
Number of real estate properties | facility					1			1
Assisted Living Facilities | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member] | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility			1
Specialty
Real Estate Properties [Line Items]
Number of real estate properties | facility						28
Specialty | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility							14
Specialty | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member] | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility			11
Medical Office Building
Real Estate Properties [Line Items]
Number of real estate properties | facility						2
Medical Office Building | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility							1
Medical Office Building | California Connecticut Indiana, Nevada, South Carolina Tennessee and Texas [Member] | Facilities Acquired
Real Estate Properties [Line Items]
Number of real estate properties | facility			1
Land
Real Estate Properties [Line Items]
Real estate investments | $						$ 883,765	$ 901,246
Building And Site Improvements
Real Estate Properties [Line Items]
Real estate investments | $						308,087	287,655
Furniture and Equipment
Real Estate Properties [Line Items]
Real estate investments | $						$ 518,664	515,421
Real Estate Investment | Existing Operator
Real Estate Properties [Line Items]
Real estate investments | $					$ 184,500			$ 184,500
Real Estate Investment | Land | Existing Operator
Real Estate Properties [Line Items]
Real estate investments | $							$ 11,200
Real Estate Investment | Building And Site Improvements | Existing Operator
Real Estate Properties [Line Items]
Real estate investments | $					159,100			159,100
Real Estate Investment | Furniture and Equipment | Existing Operator
Real Estate Properties [Line Items]
Real estate investments | $					14,200			14,200
Working Capital Loans [Member] | 21 Skilled Nursing Facilities and 1 Assisted Living Facility | Five Operators [Member]
Real Estate Properties [Line Items]
Maximum borrowing capacity | $					45,700			45,700
Commitments to Fund Capital Improvement | 21 Skilled Nursing Facilities and 1 Assisted Living Facility | Five Operators [Member]
Real Estate Properties [Line Items]
Other investments, gross | $					10,600			10,600
Indemnity Funding | 21 Skilled Nursing Facilities and 1 Assisted Living Facility | Five Operators [Member]
Real Estate Properties [Line Items]
Other investments, gross | $					$ 7,400			$ 7,400

PROPERTIES (Asset Sales, Impair

PROPERTIES (Asset Sales, Impairments and Other) (Narrative) (Detail) $ in Thousands	Jun. 01, 2018USD ($)facility	Dec. 31, 2020USD ($)facility	Dec. 31, 2020USD ($)facility	Dec. 31, 2019USD ($)facility	Dec. 31, 2018USD ($)facility
Real Estate Properties [Line Items]
Number of real estate properties | facility		967	967
Real estate investments - net		$ 6,705,240	$ 6,705,240	$ 7,198,569
1 Facility
Real Estate Properties [Line Items]
Insurance proceeds received that offset impairments			3,500
2 Facilities
Real Estate Properties [Line Items]
Insurance proceeds received that offset impairments				3,700
7 Facilities
Real Estate Properties [Line Items]
Provision for impairment on real estate properties		30,200
12 Facilities
Real Estate Properties [Line Items]
Total cash proceeds	$ 25,000
Amount of gain (loss) from sale of facilities	11,000
Loans Receivable, Net	39,700
Carrying amount of facility, operating	62,000
Closing cost					$ 5,000
Total proceeds	78,000
Disposition of HUD mortgages	$ 53,000
16 Facilities
Real Estate Properties [Line Items]
Total cash proceeds		63,700
Amount of gain (loss) from sale of facilities		$ 5,200
23 Facilities
Real Estate Properties [Line Items]
Provision for impairment on real estate properties				45,300
Recorded investment properties after impairments				23,400
25 Facilities
Real Estate Properties [Line Items]
Provision for impairment on real estate properties			76,000
Recorded investment properties after impairments			12,300
34 Facilities
Real Estate Properties [Line Items]
Total cash proceeds				219,300
Amount of gain (loss) from sale of facilities				$ 55,700
35 Facilities
Real Estate Properties [Line Items]
Provision for impairment on real estate properties					35,000
Recorded investment properties after impairments					14,800
43 Facilities
Real Estate Properties [Line Items]
Total cash proceeds			180,900
Amount of gain (loss) from sale of facilities			$ 19,100
78 Facilities
Real Estate Properties [Line Items]
Total cash proceeds					309,600
Amount of gain (loss) from sale of facilities					$ 24,800
Skilled Nursing Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility		738	738
Facilities Sold
Real Estate Properties [Line Items]
Number of real estate properties | facility					78
Facilities Sold | 7 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility				7
Facilities Sold | 16 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility		16	16
Facilities Sold | 34 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility				34
Facilities Sold | 43 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility		43	43
Facilities Sold | 78 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility	12
Facilities Sold Previously Held-for-Sale
Real Estate Properties [Line Items]
Number of real estate properties | facility		16	16
Facilities Sold Previously Held-for-Sale | 16 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility		12	12
Facilities Sold Previously Held-for-Sale | 34 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility				1
Facilities Sold Previously Held-for-Sale | 43 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility		6	6
Facilities Sold Previously Held-for-Sale | 78 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility					22
Facilities Classified to Asset Held for Sale [Member] | 23 Facilities
Real Estate Properties [Line Items]
Real estate investments - net				$ 4,600
Facilities Classified to Asset Held for Sale [Member] | 25 Facilities
Real Estate Properties [Line Items]
Recorded investment properties after impairments			$ 200
Facilities Classified to Asset Held for Sale [Member] | 35 Facilities
Real Estate Properties [Line Items]
Recorded investment properties after impairments					$ 1,000
Facilities With Impairment Charges [Member] | 7 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility		7	7
Facilities With Impairment Charges [Member] | 23 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility				23
Facilities With Impairment Charges [Member] | 25 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility		25	25
Facilities With Impairment Charges [Member] | 35 Facilities
Real Estate Properties [Line Items]
Number of real estate properties | facility					35
Facilities That Incurred Damages [Member]
Real Estate Properties [Line Items]
Number of real estate properties | facility		1	1	2
Facilities That Incurred Damages [Member] | 35 Facilities
Real Estate Properties [Line Items]
Insurance proceeds received that offset impairments					$ 5,200

DIRECT FINANCING LEASES (Narrat

DIRECT FINANCING LEASES (Narrative) (Detail) $ in Thousands	Jan. 11, 2019USD ($)facility	Mar. 31, 2019USD ($)	Jun. 30, 2018USD ($)facility	Dec. 31, 2020USD ($)facility	Dec. 31, 2019USD ($)facility	Dec. 31, 2019USD ($)facility	Dec. 31, 2018USD ($)facility	Feb. 28, 2021facility	Jan. 31, 2019USD ($)	Jan. 16, 2019facility
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility				967
Impairment on real estate properties				$ 75,972	$ 48,939		$ 35,014
Rental income				753,427	804,076		767,340
Rental (loss) income				753,427	804,076		767,340
Other investments, gross				1,428,915
Other assets				82,231	102,462	$ 102,462
(Recovery) impairment loss on direct financing leases				(3,079)	7,917		27,168
Proceeds from other investments				149,866	91,281		$ 181,371
Orianna
Lessee, Lease, Description [Line Items]
Amortization period	15 years
Proceeds from other investments	$ 25,000
Direct Financing Leases [Member] | Orianna
Lessee, Lease, Description [Line Items]
Cash consideration sale of productive assets				17,200
(Recovery) impairment loss on direct financing leases				(3,100)
Facilities Sold
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility							78
Facilities Sold | Subsequent event
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility								16
Facilities Acquired
Lessee, Lease, Description [Line Items]
Approximate purchase price				$ 104,400	$ 1,344,500		$ 105,700
Facilities Acquired | Texas
Lessee, Lease, Description [Line Items]
Approximate purchase price			$ 22,800
Facilities Held for Sale or Closed [Member]
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility				22
Skilled Nursing Facilities
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility				738
Skilled Nursing Facilities | Facilities Sold | Orianna | Distribution Trust [Member]
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility										15
Skilled Nursing Facilities | Facilities Acquired
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility				8	89	89	12
Skilled Nursing Facilities | Facilities Acquired | Texas
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility			5
Assisted Living Facilities
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility				115
Assisted Living Facilities | Facilities Acquired
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility				3	4	4
15 Skilled Nursing Facilities [Member] | Orianna
Lessee, Lease, Description [Line Items]
Cash consideration sale of productive assets	$ 146,000
15 Skilled Nursing Facilities [Member] | Direct Financing Leases [Member] | Orianna
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility							15
Impairment on real estate properties							$ 27,200
Interest rate	6.00%
Aggregate consideration	$ 176,000
Cash consideration sale of productive assets						$ 94,000
Other investments, gross	$ 30,000
Other assets					$ 14,100	$ 14,100			$ 115,800
(Recovery) impairment loss on direct financing leases		$ 7,700
15 Skilled Nursing Facilities [Member] | Facilities Sold | Direct Financing Leases [Member] | Orianna
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility	15

DIRECT FINANCING LEASES (Schedu

DIRECT FINANCING LEASES (Schedule of Components of Investment in Direct Financing Leases) (Detail) $ in Thousands	Dec. 31, 2020USD ($)facilitylease	Jan. 01, 2020USD ($)	Dec. 31, 2019USD ($)leasefacility
Lessee, Lease, Description [Line Items]
Minimum lease payments receivable	$ 25,947		$ 27,227
Less unearned income	(14,489)		(15,522)
Less allowance for expected credit losses on direct financing leases	(694)		(217)
Investment in direct financing leases - net	$ 10,764	$ 10,877	$ 11,488
Number of real estate properties | facility	967
Number of direct financing leases | lease	1		2
Non-Orianna
Lessee, Lease, Description [Line Items]
Investment in direct financing leases	$ 11,458		$ 11,705
Facilities Subject to Direct Financing Leases [Member]
Lessee, Lease, Description [Line Items]
Number of real estate properties | facility	1		2

MORTGAGE NOTES RECEIVABLE (Narr

MORTGAGE NOTES RECEIVABLE (Narrative) (Detail)	12 Months Ended
	Dec. 31, 2020statefacilitypropertyentity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties	967
Number of states | state	40
Skilled Nursing Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties	738
Assisted Living Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties	115
Facilities Under Fixed Rate Mortgage Loans [Member] | Skilled Nursing Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties	56
Facilities Under Fixed Rate Mortgage Loans [Member] | Assisted Living Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties	3
Mortgage Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of fixed rate mortgage | property	9
Number of states | state	8
Number of independent healthcare operating companies operating under mortgage notes receivable | entity	7
Mortgage Receivable [Member] | Facilities Considered Long Term [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | property	62

MORTGAGE NOTES RECEIVABLE (Sche

MORTGAGE NOTES RECEIVABLE (Schedule of Receivables) (Detail)	12 Months Ended
	Dec. 31, 2020USD ($)facilitypropertycontract	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)	Dec. 31, 2017USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 1,428,915,000
Total mortgages - net	$ 885,313,000	$ 773,563,000	$ 710,858,000	$ 671,232,000
Number of real estate properties | facility	967
Mortgage Loans on Real Estate	$ 885,313,000	773,563,000	$ 710,858,000	$ 671,232,000
Other Mortgage Notes Member
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity year	2028
Mortgage Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 918,558,000	778,468,000
Allowance for credit losses	(33,245,000)	(4,905,000)
Total mortgages - net	885,313,000	773,563,000
Mortgage Loans on Real Estate	885,313,000	773,563,000
Mortgage Receivable [Member] | Mortgage Note Due 2027 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 112,500,000	112,500,000
Mortgage loans on real estate, interest rate	10.59%
Maturity year	2027
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 670,015,000	526,520,000
Mortgage loans on real estate, interest rate	10.53%
Maturity year	2029
Mortgage Receivable [Member] | 2 Notes Due Through 2021 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 43,200,000
Maturity year	2021
Mortgage loans on real estate, number of loans | contract	2
Mortgage Receivable [Member] | Remaining Notes Due Through 2029 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity year	2029
Mortgage Receivable [Member] | Other Mortgage Notes Member
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 136,043,000	$ 139,448,000
Weighted Average [Member] | Other Mortgage Notes Member
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, interest rate	9.41%
Construction Loans [Member] | Mortgage Receivable [Member] | 2 Mortgage Notes Due Through 2021 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 29,700,000
Maturity year	2021
Mortgage loans on real estate, number of loans	2
Facilities Used in Weighted Average Interest Rate [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | property	46

MORTGAGE NOTES RECEIVABLE (Note

MORTGAGE NOTES RECEIVABLE (Notes Due 2027 Narrative) (Detail) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2020USD ($)facility	Dec. 31, 2019USD ($)	Jan. 17, 2014USD ($)facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable | $		$ 1,428,915
Number of real estate properties		967
Skilled Nursing Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties		738
Assisted Living Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties		115
Mortgage Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable | $		$ 918,558	$ 778,468
Mortgage Note Due 2027 [Member] | Mortgage Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable | $		$ 112,500	$ 112,500
Maturity year		2027
Mortgage Note Due 2027 [Member] | Mortgage Receivable [Member] | 7 SNFs and 2 ALFs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable | $				$ 112,500
Mortgage loans on real estate, maturity date	Jan. 31, 2027
Mortgage receivable extension option period		5 years
Mortgage Note Due 2027 [Member] | Mortgage Receivable [Member] | Tranche One [Member] | 7 SNFs and 2 ALFs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, maturity date	Jan. 31, 2032
Mortgage Note Due 2027 [Member] | Mortgage Receivable [Member] | Tranche Two [Member] | 7 SNFs and 2 ALFs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, maturity date	Sep. 30, 2034
Mortgage Note Due 2027 [Member] | Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Pennsylvania | Skilled Nursing Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties				7
Mortgage Note Due 2027 [Member] | Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Ohio | Assisted Living Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties				2

MORTGAGE NOTES RECEIVABLE (No_2

MORTGAGE NOTES RECEIVABLE (Notes Due 2029 Narrative) (Detail) $ in Thousands	May 01, 2020USD ($)facility	Jun. 14, 2014USD ($)	Jun. 30, 2020USD ($)facility	May 31, 2020	Jun. 30, 2018USD ($)facility	Dec. 31, 2020USD ($)facility	Apr. 30, 2020	Dec. 31, 2021USD ($)	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)	Dec. 31, 2017USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable						$ 1,428,915
Mortgage notes receivable						$ 885,313			$ 773,563	$ 710,858	$ 671,232
Number of real estate properties | facility						967
Skilled Nursing Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility						738
Assisted Living Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility						115
Michigan | 9 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Write-off of straight-line rent receivable	$ 3,600
Mortgage Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable						$ 918,558			778,468
Mortgage notes receivable						885,313			773,563
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable						$ 670,015			$ 526,520
Maturity year						2029
Mortgage loans on real estate, interest rate						10.53%
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Master Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity year		2029
Mortgage loans on real estate, interest rate		9.00%		10.67%			10.13%
Percentage of mortgage loan interest rate increase per annum		0.225%
Debt instrument, interest rate, increase (decrease)				0.54%
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Master Mortgage [Member] | 25 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable		$ 415,000				$ 374,600
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Amended Master Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity year						2029
Percentage of mortgage loan interest rate increase per annum						0.225%
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Amended Master Mortgage [Member] | 5 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable						$ 124,900
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Amended Master Mortgage [Member] | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, interest rate						8.50%
Percentage of mortgage loan fixed annual escalators						2.00%
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Amended Master Mortgage [Member] | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate, interest rate						10.00%
Percentage of mortgage loan fixed annual escalators						2.50%
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Second Amended Master Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable						$ 43,900
Mortgage loans on real estate, interest rate					9.50%
Percentage of mortgage loan interest rate increase per annum					0.225%
Mortgage loans on real estate, maturity date					Jun. 30, 2029
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Second Amended Master Mortgage [Member] | Forecast [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable								$ 9,600
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Second Amended Master Mortgage [Member] | 5 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable					$ 44,700
Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Third Amended Master Mortgage [Member] | Michigan | 9 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable	$ 83,500					83,400
Mortgage loans on real estate, interest rate	10.31%
Percentage of mortgage loan interest rate increase per annum	2.00%
Mortgage loans on real estate, maturity date	Jun. 30, 2029
Mortgage Receivable [Member] | Mortgage Note Due 2021 [Member] | Ohio | 2 Facilities | Ciena Healthcare Subsidiaries [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage notes receivable			$ 43,200			$ 43,200
Mortgage loans on real estate, interest rate			9.50%
Mortgage loans on real estate, maturity date			Jun. 30, 2021
Facilities Covered by Mortgage and Used as Collateral [Member] | Michigan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility					5
Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Michigan | 9 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility	9
Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Master Mortgage [Member] | 25 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility						25
Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Amended Master Mortgage [Member] | 5 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility						5
Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Third Amended Master Mortgage [Member] | Michigan | 9 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility	1
Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Third Amended Master Mortgage [Member] | Michigan | Skilled Nursing Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility	8
Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Third Amended Master Mortgage [Member] | Michigan | Assisted Living Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility	1
Facilities Covered by Mortgage and Used as Collateral [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2021 [Member] | Skilled Nursing Facilities | Ciena Healthcare Subsidiaries [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility			2
Facilities Formerly Leased Now Sold [Member] | Mortgage Receivable [Member] | Mortgage Note Due 2029 [Member] | Michigan | 9 Facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of real estate properties | facility	9

OTHER INVESTMENTS (Schedule of

OTHER INVESTMENTS (Schedule of Receivables) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Schedule of Investments [Line Items]
Other investments, gross	$ 1,428,915
Total other investments	467,442	$ 412,540	$ 419,228
Other Investment Receivables [Member]
Schedule of Investments [Line Items]
Other investments, gross	498,899		419,228
Allowance for credit losses	(31,457)
Total other investments	467,442		419,228
Other Investment Note Due 2022
Schedule of Investments [Line Items]
Other investments, gross	$ 83,636		77,087
Interest rate	13.12%
Maturity year	2022
Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 56,987		58,687
Interest rate	8.12%
Other Investment Note Due 2023 [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 50,000
Other Investment Note Due 2023 Interest At 12% [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 49,973		52,213
Interest rate	12.00%
Maturity year	2023
Other Investments Note Due 2030 [Member]
Schedule of Investments [Line Items]
Other investments, gross	$ 147,148		65,000
Interest rate	7.00%
Maturity year	2030
Other Investment notes outstanding
Schedule of Investments [Line Items]
Other investments, gross	$ 161,155		$ 166,241
Interest rate	7.75%
Maturity year	2028
Minimum | Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Maturity year	2024
Maximum | Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Maturity year	2025

OTHER INVESTMENTS (Notes Due 20

OTHER INVESTMENTS (Notes Due 2024-2025 Narrative) (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Aug. 31, 2017	Dec. 31, 2020	Feb. 28, 2020	Dec. 31, 2019	Nov. 05, 2019	May 07, 2018	Sep. 30, 2016
Schedule of Investments [Line Items]
Other investments, gross		$ 1,428,915
Provision for Credit Losses		$ 34,151
Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Debt instrument, interest rate, stated percentage		8.12%
Other investments, gross		$ 56,987		$ 58,687
Other Investment Note Due 2024 Through 2025 [Member] | Tranche Two [Member]
Schedule of Investments [Line Items]
Investment Maturity Date							Dec. 31, 2024
Agemo Holdings LLC
Schedule of Investments [Line Items]
Financing receivable, face amount					$ 1,700
Loans Receivable, Net		34,300
Agemo Holdings LLC | Tranche One [Member]
Schedule of Investments [Line Items]
Proceeds from collection of notes receivable	$ 5,000
Agemo Holdings LLC | Other Investment Note Due 2024 Through 2025 [Member]
Schedule of Investments [Line Items]
Financing receivable, face amount							$ 37,000
Letter of Credit as collateral fair value		9,300
Provision for Credit Losses		22,700
Loans Receivable, Net		9,300
Agemo Holdings LLC | Other Investment Note Due 2024 Through 2025 [Member] | Tranche One [Member]
Schedule of Investments [Line Items]
Debt instrument, interest rate, stated percentage	13.00%
Agemo Holdings LLC | Other Investment Note Due 2024 Through 2025 [Member] | Tranche Two [Member]
Schedule of Investments [Line Items]
Financing receivable, face amount							$ 32,000
Debt instrument, interest rate, stated percentage							9.00%
Contractual interest receivable		3,800
Agemo Holdings LLC | Other Investment Note Due 2024 Through 2025 Second Loan [Member]
Schedule of Investments [Line Items]
Financing receivable, face amount						$ 25,000
Investment Maturity Date						Apr. 30, 2025
Debt instrument, interest rate, stated percentage						7.00%
Other investments, gross		$ 25,000
Agemo Holdings LLC | Other Investment Note Due 2024 Through 2025 Fourth Loan [Member]
Schedule of Investments [Line Items]
Financing receivable, face amount					$ 1,700
Debt instrument, interest rate, stated percentage					9.00%
Affiliate Agemo Holdings LLC [Member] | Other Investment Note Due 2024 Through 2025 Fifth Loan [Member]
Schedule of Investments [Line Items]
Financing receivable, face amount			$ 3,500
Debt instrument, interest rate, stated percentage			10.00%

OTHER INVESTMENTS (Notes Due _2

OTHER INVESTMENTS (Notes Due 2022 Narrative) (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 06, 2018	Feb. 22, 2018	Jul. 29, 2016
Schedule of Investments [Line Items]
Other investments, gross	$ 1,428,915,000
Other investments	467,442,000	$ 412,540,000	$ 419,228,000
Provision for Credit Losses	$ 34,151,000
Other Investment Note Due 2022
Schedule of Investments [Line Items]
Debt instrument, interest rate, stated percentage	13.12%
Other investments, gross	$ 83,636,000		$ 77,087,000
Other Investment Note Due 2022 First Loan
Schedule of Investments [Line Items]
Other investments	65,200,000
Genesis HealthCare | Other Investment Note Due 2022
Schedule of Investments [Line Items]
Other investments, gross	83,600,000
Provision for Credit Losses	$ 0
Genesis HealthCare | Other Investment Note Due 2022 First Loan
Schedule of Investments [Line Items]
Debt instrument, interest rate, stated percentage					14.00%
Financing receivable, face amount						$ 48,000,000
Loans Receivable Interest Paid-In-Kind					9.00%
Investment Maturity Date	Jan. 1, 2022			Jul. 29, 2020
Genesis HealthCare | Other Investment Note Due 2022 Second Loan [Member]
Schedule of Investments [Line Items]
Debt instrument, interest rate, stated percentage				10.00%
Financing receivable, face amount				$ 16,000,000
Other investments	$ 18,400,000
Loans Receivable Interest Paid-In-Kind				5.00%
Investment Maturity Date	Jan. 1, 2022			Jul. 29, 2020

OTHER INVESTMENTS (Notes Due _3

OTHER INVESTMENTS (Notes Due 2030 Narrative) (Detail) - USD ($) $ in Thousands	Jul. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2015
Other investments, gross		$ 1,428,915
Rental income		753,427	$ 804,076	$ 767,340
Maplewood Real Estate Holdings | Other Investment Note Due2030 [Member]
Financing receivable, face amount	$ 220,500
Debt instrument, interest rate, stated percentage	7.00%
Other investments, gross	$ 132,100	$ 147,100
Rental income	$ 55,400
Maplewood Real Estate Holdings | Secured Revolving Credit One [Member]
Financing receivable, face amount						$ 50,000
Debt instrument, interest rate, stated percentage						6.66%
Maplewood Real Estate Holdings | Secured Revolving Credit Two [Member]
Financing receivable, face amount					$ 15,000
Debt instrument, interest rate, stated percentage					9.50%

OTHER INVESTMENTS (Notes Due _4

OTHER INVESTMENTS (Notes Due 2023 Narrative) (Detail) - USD ($) $ in Thousands	Feb. 26, 2016	May 31, 2018	Dec. 31, 2020
Schedule of Investments [Line Items]
Other investments, gross			$ 1,428,915
Other Investment Note Due 2023 [Member]
Schedule of Investments [Line Items]
Notes Receivable, Fees Revenue		$ 1,100
Notes Receivable, Fees Revenue Cash Received At Closing		500
Other investments, gross			$ 50,000
Other Investment Note Due 2023 Mezzanine Loan [Member]
Schedule of Investments [Line Items]
Financing receivable, face amount	$ 50,000
Notes Receivable, Discount	750
Loan increase (decrease)		$ 10,000
Investment Maturity Date		May 31, 2023
Notes Receivable Principal Payment	$ 2,500
Interest rate		12.00%

OTHER INVESTMENTS (Other Invest

OTHER INVESTMENTS (Other Investment Note Narrative) (Detail) - USD ($) $ in Thousands	Apr. 17, 2020	Dec. 31, 2020	Dec. 31, 2019
Other investments, gross		$ 1,428,915
London Interbank Offered Rate (LIBOR)
Basis spread on variable rate	2.75%
Other Investment Receivables [Member]
Other investments, gross		$ 498,899	$ 419,228
Other Investment notes outstanding
Debt instrument, interest rate, stated percentage		7.75%
Other investments, gross		$ 161,155	$ 166,241
Subsidiary of Second Spring Healthcare [Member] | Other Investment notes outstanding
Financing receivable, face amount	$ 17,600
Debt instrument, interest rate, stated percentage		3.25%
Other investments, gross		$ 17,600
Ownership %	15.00%

VARIABLE INTEREST ENTITIES (Sch

VARIABLE INTEREST ENTITIES (Schedule of Variable Interest Entities) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Total assets	$ 9,497,449	$ 9,796,124
Liabilities subtotal	(5,460,842)	(5,459,530)
Other investment income	44,864	43,400	$ 40,228
Provision of of straight-line rent and contractual receivables		11,100	11,500
Agemo Holdings LLC
Variable Interest Entity [Line Items]
Provision of of straight-line rent and contractual receivables	75,300
Maplewood Real Estate Holdings
Variable Interest Entity [Line Items]
Revenue (loss)		43,932	38,507
Maplewood Real Estate Holdings | Rental and Other Investment Income [Member]
Variable Interest Entity [Line Items]
Variable interest entity rental and other investment income		44,900	35,500
Maplewood Real Estate Holdings | Rental Income [Member]
Variable Interest Entity [Line Items]
Rental (loss) income		39,111	33,892
Maplewood Real Estate Holdings | Investment Income [Member]
Variable Interest Entity [Line Items]
Other investment income		4,821	4,615
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC
Variable Interest Entity [Line Items]
Total assets	405,609	533,246
Maximum exposure to loss	17,346	112,604
Revenue (loss)	(17,474)	65,141	62,791
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Rental and Other Investment Income [Member]
Variable Interest Entity [Line Items]
Variable interest entity rental and other investment income	53,900	53,700	56,800
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Rental Income [Member]
Variable Interest Entity [Line Items]
Rental (loss) income	(22,387)	60,639	59,291
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Investment Income [Member]
Variable Interest Entity [Line Items]
Other investment income	4,913	4,502	$ 3,500
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Letters of credit
Variable Interest Entity [Line Items]
Liabilities subtotal	(9,253)	(9,253)
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Personal Guarantee Collateral [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(8,000)	(8,000)
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Other Collateral [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(371,010)	(403,389)
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Collateral Pledged [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(388,263)	(420,642)
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Real Estate Investments [Member]
Variable Interest Entity [Line Items]
Total assets	371,010	403,389
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Contractual Receivable [Member]
Variable Interest Entity [Line Items]
Total assets	346	18,113
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Other Investments [Member]
Variable Interest Entity [Line Items]
Total assets	34,253	58,687
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Straight-Line Rent Receivables [Member]
Variable Interest Entity [Line Items]
Total assets		46,247
Variable Interest Entity, Not Primary Beneficiary [Member] | Agemo Holdings LLC | Lease inducement [Member]
Variable Interest Entity [Line Items]
Total assets		$ 6,810
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings
Variable Interest Entity [Line Items]
Total assets	911,525
Liabilities subtotal	(44,246)
Maximum exposure to loss	76,791
Revenue (loss)	59,393
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Rental and Other Investment Income [Member]
Variable Interest Entity [Line Items]
Variable interest entity rental and other investment income	69,600
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Rental Income [Member]
Variable Interest Entity [Line Items]
Rental (loss) income	52,442
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Investment Income [Member]
Variable Interest Entity [Line Items]
Other investment income	6,951
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Personal Guarantee Collateral [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(40,000)
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Other Collateral [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(750,488)
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Collateral Pledged [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(790,488)
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Real Estate Investments [Member]
Variable Interest Entity [Line Items]
Total assets	750,488
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Contractual Receivable [Member]
Variable Interest Entity [Line Items]
Total assets	887
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Other Investments [Member]
Variable Interest Entity [Line Items]
Total assets	147,148
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Straight-Line Rent Receivables [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(56,664)
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Lease inducement [Member]
Variable Interest Entity [Line Items]
Total assets	69,666
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Net In Place Lease Liability [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	(331)
Variable Interest Entity, Not Primary Beneficiary [Member] | Maplewood Real Estate Holdings | Contingent Liability [Member]
Variable Interest Entity [Line Items]
Liabilities subtotal	$ (43,915)

INVESTMENT IN JOINT VENTUREs (S

INVESTMENT IN JOINT VENTUREs (Schedule of equity method investments) (Details) $ in Thousands	Dec. 20, 2019USD ($)	Dec. 18, 2019USD ($)	May 17, 2019USD ($)	Nov. 01, 2016USD ($)	Dec. 31, 2020USD ($)facilityitem	Dec. 31, 2020USD ($)facilityitem	Dec. 31, 2019USD ($)facility	Dec. 31, 2018USD ($)facility	Apr. 17, 2020
Number of real estate properties | facility					967	967
Investments in unconsolidated joint ventures					$ 200,638	$ 200,638	$ 199,884
Financing Receivable, Gross					$ 1,428,915	$ 1,428,915
Number of operators | item					69	69
Income (loss) from unconsolidated joint ventures						$ 6,143	10,947	$ 381
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Investment						230,300
Investments in unconsolidated joint ventures					$ 200,638	200,638	199,884
Income (loss) from unconsolidated joint ventures						6,143	10,947	381
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Second Spring Healthcare Investments [Member]
Income (loss) from unconsolidated joint ventures						2,807	9,490	381
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Lakeway Realty LLC [Member]
Ownership %			51.00%
Equity method investment, difference between carrying amount and underlying equity			$ 69,900
Equity method investment difference between carrying amount and underlying equity treatment period			40 years
Income (loss) from unconsolidated joint ventures						$ 2,483	1,479	0
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Cindat Ice Portfolio JV GP Limited [Member]
Ownership %					49.00%	49.00%
Equity method investment, difference between carrying amount and underlying equity		$ 35,000
Equity method investment difference between carrying amount and underlying equity treatment period		40 years
Income (loss) from unconsolidated joint ventures						$ 1,812	(22)	0
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | OMG Senior Housing LLC [Member]
Income (loss) from unconsolidated joint ventures						$ (497)	0	0
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | OH CHS SNP Inc [Member]
Ownership %					9.00%	9.00%
Initial Investment Date						Dec. 20, 2019
Investment	$ 746
Investments in unconsolidated joint ventures					$ 260	$ 260	131
Income (loss) from unconsolidated joint ventures						$ (462)	0	0
Skilled Nursing Facilities
Number of real estate properties | facility					738	738
Skilled Nursing Facilities | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Second Spring Healthcare Investments [Member]
Ownership %					15.00%	15.00%
Initial Investment Date						Nov. 1, 2016
Investment				$ 50,032
Number of real estate properties | facility					21	21
Investments in unconsolidated joint ventures					$ 17,700	$ 17,700	22,504
Specialty
Number of real estate properties | facility					28	28
Specialty | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Lakeway Realty LLC [Member]
Ownership %					51.00%	51.00%
Initial Investment Date						May 17, 2019
Investment			$ 73,834
Number of real estate properties | facility					1	1
Investments in unconsolidated joint ventures					$ 72,318	$ 72,318	73,273
Assisted Living Facilities
Number of real estate properties | facility					115	115
Assisted Living Facilities | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Cindat Ice Portfolio JV GP Limited [Member]
Ownership %					49.00%	49.00%
Initial Investment Date						Dec. 18, 2019
Investment		$ 105,688
Number of real estate properties | facility					67	67
Investments in unconsolidated joint ventures					$ 110,360	$ 110,360	103,976
Independent Living Facilities [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | OMG Senior Housing LLC [Member]
Ownership %					50.00%	50.00%
Initial Investment Date						Dec. 6, 2019
Number of real estate properties | facility					1	1
14 SNFs | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Second Spring Healthcare Investments [Member]
Total cash proceeds							311,800
Amount of gain (loss) from sale of facilities							64,000
13 SNFs | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Second Spring Healthcare Investments [Member]
Total cash proceeds								164,000
Amount of gain (loss) from sale of facilities								(4,600)
Provision for impairment on real estate properties								$ 4,200
16 Facilities
Total cash proceeds					$ 63,700
Amount of gain (loss) from sale of facilities					$ 5,200
16 Facilities | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Second Spring Healthcare Investments [Member]
Total cash proceeds						$ 259,100
Amount of gain (loss) from sale of facilities						$ 40,400
67 Facilities | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Cindat Ice Portfolio JV GP Limited [Member]
Number of operators | item					2	2
Other Investment Receivables [Member]
Financing Receivable, Gross					$ 498,899	$ 498,899	419,228
Other Investment notes outstanding
Financing Receivable, Gross					161,155	161,155	166,241
Other Investment notes outstanding | Subsidiary of Second Spring Healthcare [Member]
Ownership %									15.00%
Financing Receivable, Gross					17,600	17,600
Other Investment notes outstanding | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Second Spring Healthcare Investments [Member]
Financing Receivable, Gross					17,600	17,600
Mortgage Receivable [Member]
Financing Receivable, Gross					918,558	918,558	778,468
Mortgage Receivable [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Lakeway Realty LLC [Member]
Financing Receivable, Gross					$ 67,000	$ 67,000	$ 68,300
Facilities Sold
Number of real estate properties | facility								78
Facilities Sold | Skilled Nursing Facilities | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Second Spring Healthcare Investments [Member]
Number of real estate properties | facility					16	16	14	13
Facilities Sold | 16 Facilities
Number of real estate properties | facility					16	16
Facilities Owned | Assisted Living Facilities | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Cindat Ice Portfolio JV GP Limited [Member]
Number of real estate properties | facility					67	67

INVESTMENT IN JOINT VENTUREs (N

INVESTMENT IN JOINT VENTUREs (Narrative) (Details) - USD ($) $ in Thousands	May 17, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Face Amount of Mortgages		$ 1,010,113
Financing Receivable, Gross		1,428,915
Assets management fees recognized		1,200	$ 900	$ 1,800
Mortgage Receivable [Member]
Financing Receivable, Gross		$ 918,558	778,468
Lakeway Realty LLC [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Face Amount of Mortgages	$ 73,000
Mortgage loans on real estate, interest rate	8.00%
Term		25 years
Mortgage loans on real estate, maturity date		Mar. 20, 2025
Fair value of mortgage	$ 69,100
Lakeway Realty LLC [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Mortgage Receivable [Member]
Financing Receivable, Gross		$ 67,000	$ 68,300

ASSETS HELD FOR SALE (Schedule

ASSETS HELD FOR SALE (Schedule of Properties Held-for-Sale) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)property	Dec. 31, 2019USD ($)property	Dec. 31, 2020USD ($)facility	Dec. 31, 2019USD ($)facility	Jun. 30, 2019USD ($)facility	Dec. 31, 2018USD ($)facility
Number Of Properties
Beginning Balance | property	6	3
Properties sold | property	(25)	(8)
Properties added | property	41	11
Ending balance | property	22	6
Net Book Value
Beginning Balance	$ 4,922	$ 989
Properties sold	(126,532)	(6,486)
Properties added	203,062	10,419
Ending balance	81,452	4,922
Assets Held For Sale
Number of real estate properties | facility			967
Assets held for sale	81,452	4,922	$ 81,452	$ 4,922	$ 300	$ 989
Skilled Nursing Facilities
Assets Held For Sale
Number of real estate properties | facility			738
Assisted Living Facilities
Assets Held For Sale
Number of real estate properties | facility			115
8 Facilities
Assets Held For Sale
Impairment charges		9,200
25 Facilities and 1 Parcel of Land
Assets Held For Sale
Net proceeds from sale of facilities held for sale	142,800
Gain (loss) from sale of facilities	16,200
11 Facilities
Assets Held For Sale
Impairment charges	$ 36,400
Facilities Sold
Assets Held For Sale
Number of real estate properties | facility						78
Facilities Sold | 7 Facilities
Assets Held For Sale
Net proceeds from sale of facilities held for sale		22,900
Gain (loss) from sale of facilities		$ 14,800
Number of real estate properties | facility				7
Facilities Sold | 25 Facilities and 1 Parcel of Land
Assets Held For Sale
Number of real estate properties | facility			25
Facilities No Longer Held for Sale [Member]
Assets Held For Sale
Number of real estate properties | facility					1
Facilities With Impairment Charges [Member] | 8 Facilities
Assets Held For Sale
Number of real estate properties | facility				8
Facilities With Impairment Charges [Member] | 7 Facilities
Assets Held For Sale
Number of real estate properties | facility			7
Facilities With Impairment Charges [Member] | 11 Facilities
Assets Held For Sale
Number of real estate properties | facility			11

INTANGIBLES (Narrative) (Detail

INTANGIBLES (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net amortization of intangible assets	$ 14.2	$ 5.9	$ 10.7
2021	6.8
2022	4.7
2023	4.5
2024	4.4
2024	$ 4.2
Below market leases, weighted average remaining amortization, period	8 years
Thereafter	$ 11.9
Above market leases
Weighted average remaining amortization	10 years

INTANGIBLES (Schedule of Intang

INTANGIBLES (Schedule of Intangibles) (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets:
Goodwill	$ 651,737	$ 644,415
Accumulated amortization	(20,882)	(21,227)
Net intangible assets	1,940	28,013
Liabilities:
Below market leases	139,515	147,292
Accumulated amortization	(100,996)	(87,154)
Net intangible liabilities	38,519	60,138
Above market leases
Assets:
Gross intangible assets	$ 22,822	$ 49,240

INTANGIBLES (Schedule of Reconc

INTANGIBLES (Schedule of Reconciliation of Goodwill) (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)
Goodwill [Roll Forward]
Balance	$ 644,415
Add: foreign currency translation	438
Add: goodwill from business combination	6,884
Balance	$ 651,737

CONCENTRATION OF RISK (Narrativ

CONCENTRATION OF RISK (Narrative) (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2020USD ($)statefacilityitemcontract	Dec. 31, 2019USD ($)contract	Dec. 31, 2018	Jan. 01, 2020USD ($)
Concentration Risk [Line Items]
Number of real estate properties	967
Number of operators that met or exceeded ten percent threshold for revenues | contract	1	1
Number of states | state	40
Number of operators | item	69
Gross investment in facilities, net of impairments and reserves for uncollectible loans | $	$ 9,700,000
Other investments | $	467,442	$ 419,228		$ 412,540
Investment in unconsolidated joint venture | $	200,638	199,884
Ciena Healthcare
Concentration Risk [Line Items]
Other investments | $	16,000	21,600
Contractual receivables - net and Other receivables and lease inducements | $	$ 30,300	$ 32,600
Geographic Concentration Risk [Member] | Florida
Concentration Risk [Line Items]
Concentration percentage	14.00%
Geographic Concentration Risk [Member] | Texas
Concentration Risk [Line Items]
Concentration percentage	9.00%
Geographic Concentration Risk [Member] | Michigan
Concentration Risk [Line Items]
Concentration percentage	7.00%
Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration percentage	97.00%
Skilled Nursing Facilities
Concentration Risk [Line Items]
Number of real estate properties	738
Assisted Living Facilities
Concentration Risk [Line Items]
Number of real estate properties	115
Specialty
Concentration Risk [Line Items]
Number of real estate properties	28
Medical Office Building
Concentration Risk [Line Items]
Number of real estate properties	2
Ciena Healthcare | Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration percentage	11.00%	10.00%	11.00%
Facilities Under Fixed Rate Mortgage Loans [Member] | Skilled Nursing Facilities
Concentration Risk [Line Items]
Number of real estate properties	56
Facilities Under Fixed Rate Mortgage Loans [Member] | Assisted Living Facilities
Concentration Risk [Line Items]
Number of real estate properties	3
Facilities Under Fixed Rate Mortgage Loans [Member] | Specialty
Concentration Risk [Line Items]
Number of real estate properties	3
Facilities Held for Sale or Closed [Member]
Concentration Risk [Line Items]
Number of real estate properties	22

LEASE AND MORTGAGE DEPOSITS (Na

LEASE AND MORTGAGE DEPOSITS (Narrative) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Minimum
Security Deposits And Letters Of Credit [Line Items]
Period specified for rental and mortgage interest	3 months
Maximum
Security Deposits And Letters Of Credit [Line Items]
Period specified for rental and mortgage interest	6 months
Lease and Mortgage Liquidity and Other Deposits [Member]
Security Deposits And Letters Of Credit [Line Items]
Security Deposit	$ 4	$ 9.3
Lease and Mortgage Security Deposits [Member]
Security Deposits And Letters Of Credit [Line Items]
Security Deposit	43.2	38.6
Lease and Mortgage Letter of Credit [Member]
Security Deposits And Letters Of Credit [Line Items]
Security Deposit	$ 52.5	$ 54.2

BORROWING ARRANGEMENTS (Schedul

BORROWING ARRANGEMENTS (Schedule of Borrowings) (Details) $ in Thousands, £ in Millions	Apr. 17, 2020	Oct. 31, 2020	May 25, 2017USD ($)	Dec. 31, 2020USD ($)item	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)	May 25, 2017GBP (£)	Dec. 16, 2015USD ($)
Debt Instrument [Line Items]
Total secured borrowings - net				$ 369,524	$ 389,680
Revolving line of credit				101,158	125,000
Total term loans - net				186,349	804,738
Total senior notes and other unsecured borrowings - net				4,512,221	3,816,722
Total secured and unsecured borrowings - net				5,169,252	5,136,140
Proceeds from lines of credit				1,164,466	1,507,000	$ 1,291,000
Repayments of Lines of Credit				1,193,000	$ 1,980,100	$ 1,268,000
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Hud Mortgage Assumed [Member]
Debt Instrument [Line Items]
Assets pledged as collateral, fair value				571,200
2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Total term loans - net				$ 50,000
4.375% notes due 2023
Debt Instrument [Line Items]
Rate				4.375%	4.375%
4.95% notes due 2024
Debt Instrument [Line Items]
Rate				4.95%	4.95%
4.50% notes due 2025
Debt Instrument [Line Items]
Rate				4.50%	4.50%
5.25% notes due 2026
Debt Instrument [Line Items]
Rate				5.25%	5.25%
4.50% notes due 2027
Debt Instrument [Line Items]
Rate				4.50%	4.50%
4.75% notes due 2028
Debt Instrument [Line Items]
Rate				4.75%	4.75%
3.625% notes due 2029
Debt Instrument [Line Items]
Rate				3.625%	3.625%
3.375% notes due 2031
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 680,500
Maturity				2031
Rate				3.375%
Long-term debt, gross				$ 700,000
Secured Debt [Member]
Debt Instrument [Line Items]
Total secured borrowings - net				$ 369,524	$ 389,680
Secured Debt [Member] | Hud Mortgage Assumed [Member]
Debt Instrument [Line Items]
Rate				3.01%
Total secured borrowings - net				$ 367,249	387,405
Secured Debt [Member] | Term Loan
Debt Instrument [Line Items]
Maturity				2021
Rate				3.50%
Total secured borrowings - net				$ 2,275	2,275
Unsecured Debt [Member]
Debt Instrument [Line Items]
Deferred financing costs - net				(26,070)	(23,778)
Total term loans - net				186,349	804,738
Discount - net				(31,709)	(23,041)
Total unsecured borrowings - net				4,799,728	4,746,460
Unsecured Debt [Member] | Term Loan
Debt Instrument [Line Items]
Deferred financing costs - net				$ (351)	(2,742)
Unsecured Debt [Member] | U.S. term loan
Debt Instrument [Line Items]
Maturity				N/A
Total term loans - net			$ 425,000		350,000
Unsecured Debt [Member] | Sterling term loan
Debt Instrument [Line Items]
Maturity				2022
Rate				1.47%
Total term loans - net				$ 136,700	132,480		£ 100
Unsecured Debt [Member] | 2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Maturity				2022
Rate				3.29%
Total term loans - net			100,000	$ 50,000	75,000
Unsecured Debt [Member] | Amended 2015 Term Loan Facility
Debt Instrument [Line Items]
Maturity				N/A
Total term loans - net			$ 250,000		250,000			$ 250,000
Unsecured Debt [Member] | Senior Notes And Other Unsecured Borrowings Net [Member]
Debt Instrument [Line Items]
Total senior notes and other unsecured borrowings - net				$ 4,512,221	3,816,722
Unsecured Debt [Member] | Subordinated debt
Debt Instrument [Line Items]
Maturity				2021
Rate				9.00%
Long-term debt, gross				$ 20,000	13,541
Senior Notes [Member] | 4.375% notes due 2023
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 692,000
Maturity				2023
Rate				4.375%
Long-term debt, gross				$ 700,000	700,000
Senior Notes [Member] | 4.95% notes due 2024
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 394,300
Maturity				2024
Rate				4.95%
Long-term debt, gross				$ 400,000	400,000
Senior Notes [Member] | 4.50% notes due 2025
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 397,700
Maturity				2025
Rate				4.50%
Long-term debt, gross				$ 400,000	400,000
Senior Notes [Member] | 5.25% notes due 2026
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 594,400
Maturity				2026
Rate				5.25%
Long-term debt, gross				$ 600,000	600,000
Senior Notes [Member] | 4.50% notes due 2027
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 683,000
Maturity				2027
Rate				4.50%
Long-term debt, gross				$ 700,000	700,000
Senior Notes [Member] | 4.75% notes due 2028
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 540,800
Maturity				2028
Rate				4.75%
Long-term debt, gross				$ 550,000	550,000
Senior Notes [Member] | 3.625% notes due 2029
Debt Instrument [Line Items]
Proceeds from issuance of senior long-term debt				$ 487,800
Maturity				2029
Rate				3.625%
Long-term debt, gross				$ 500,000	500,000
Senior Notes [Member] | 3.375% notes due 2031
Debt Instrument [Line Items]
Maturity		2031
Rate		3.375%
Minimum | Secured Debt [Member] | Hud Mortgage Assumed [Member]
Debt Instrument [Line Items]
Maturity				2046
Minimum | Unsecured Debt [Member] | U.S. term loan
Debt Instrument [Line Items]
Basis spread on variable rate			0.90%
Minimum | Unsecured Debt [Member] | Sterling term loan
Debt Instrument [Line Items]
Basis spread on variable rate			0.90%
Minimum | Unsecured Debt [Member] | 2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Basis spread on variable rate			0.90%
Minimum | Unsecured Debt [Member] | Amended 2015 Term Loan Facility
Debt Instrument [Line Items]
Basis spread on variable rate			1.40%
Maximum | Secured Debt [Member] | Hud Mortgage Assumed [Member]
Debt Instrument [Line Items]
Maturity				2052
Maximum | Unsecured Debt [Member] | U.S. term loan
Debt Instrument [Line Items]
Basis spread on variable rate			1.90%
Maximum | Unsecured Debt [Member] | Sterling term loan
Debt Instrument [Line Items]
Basis spread on variable rate			1.90%
Maximum | Unsecured Debt [Member] | 2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Basis spread on variable rate			1.90%
Maximum | Unsecured Debt [Member] | Amended 2015 Term Loan Facility
Debt Instrument [Line Items]
Basis spread on variable rate			2.35%
Revolving Credit Facility | Unsecured Debt [Member]
Debt Instrument [Line Items]
Maturity				2021
Rate				1.27%
Revolving line of credit			$ 1,250,000	$ 101,158	$ 125,000
Debt instrument number of available extensions | item				2
Debt instrument extension period duration				6 months
Revolving Credit Facility | Minimum | Unsecured Debt [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Revolving Credit Facility | Maximum | Unsecured Debt [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			1.95%

BORROWING ARRANGEMENTS (HUD Mor

BORROWING ARRANGEMENTS (HUD Mortgage) (Details) $ in Thousands	Aug. 26, 2020USD ($)loan	Oct. 31, 2019USD ($)	Jun. 01, 2018USD ($)facility	Dec. 31, 2020USD ($)facilityitem	Dec. 31, 2019USD ($)facility	Dec. 31, 2018USD ($)facility
Number of real estate properties | facility				967
Mortgage loans on real estate, new mortgage loans				$ 149,957	$ 129,108	$ 65,841
Number of operators | item				69
Rent to be received				$ 8,614,569
Gain (loss) on extinguishment of debt				$ 13,340
Skilled Nursing Facilities
Number of real estate properties | facility				738
Skilled Nursing Facilities | Arkansas
Debt weighted average interest rate			3.06%
Debt Instrument, Maturity Date			Jul. 31, 2044
Assisted Living Facilities
Number of real estate properties | facility				115
12 Facilities
Disposition of HUD mortgages			$ 53,000
12 Facilities | Arkansas
Disposition of HUD mortgages			53,000
Write off of Deferred Debt Issuance Cost			$ 600
Facilities Acquired | Skilled Nursing Facilities
Number of real estate properties | facility				8	89	12
Facilities Acquired | Assisted Living Facilities
Number of real estate properties | facility				3	4
Facilities Sold Previously Held-for-Sale
Number of real estate properties | facility				16
Facilities Assumed By Operators Subsidiaries | Skilled Nursing Facilities | Arkansas
Number of real estate properties | facility			12
Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Mortgage loans on real estate, new mortgage loans		$ 389,000
Prepayment penalty percentage, first year		10.00%
Prepayment penalty reduction percentage		1.00%
Escrow deposit				$ 26,500
Minimum | Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Debt weighted average interest rate		2.82%
Maximum | Mortgage Loans Guaranteed By United States Department of Housing and Urban Development [Member]
Debt weighted average interest rate		3.24%
Secured Debt [Member] | Hud Mortgage Assumed [Member]
Debt instrument, interest rate, stated percentage				3.01%
Secured Debt [Member] | Two Hud Mortgages Assumed [Member]
Repayments of secured debt	$ 13,700
Number of assumed loans retired | loan	2
Long-term Debt, Weighted Average Interest Rate, over Time	3.08%
Gain (loss) on extinguishment of debt	$ 900
Secured Debt [Member] | Hud Mortgage Assumed Maturity 2051 [Member]
Maturity	2051
Secured Debt [Member] | Hud Mortgage Assumed Maturity 2052 [Member]
Maturity	2052
Secured Debt [Member] | Minimum | Hud Mortgage Assumed [Member]
Maturity				2046
Secured Debt [Member] | Maximum | Hud Mortgage Assumed [Member]
Maturity				2052

BORROWING ARRANGEMENTS (Omega C

BORROWING ARRANGEMENTS (Omega Credit, Omega OP Term, Amended 2015 Term Loan Facilities and General) (Detail) $ in Thousands, £ in Millions	Apr. 17, 2020	May 17, 2019USD ($)	Dec. 16, 2015USD ($)	Oct. 31, 2020USD ($)	Sep. 30, 2019USD ($)	May 25, 2017USD ($)	Dec. 31, 2020USD ($)item	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)	May 25, 2017GBP (£)
Debt Instrument [Line Items]
Long-term line of credit							$ 101,158	$ 125,000
Term loans - net							186,349	804,738
Repayment of revolving credit facility							$ 1,193,000	1,980,100	$ 1,268,000
Debt instrument, covenant description							Certain of our other secured and unsecured borrowings are subject to customary affirmative and negative covenants, including financial covenants. As of December 31, 2020 and 2019, we were in compliance with all affirmative and negative covenants, including financial covenants, for our secured and unsecured borrowings.
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Senior Unsecured Revolving And Term Loan Credit Facility 2017 [Member]
Debt Instrument [Line Items]
Credit facility borrowing capacity						$ 1,800,000
Omega Credit Facilities 2017 [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity						2,500,000
Revolving credit facility to be drawn in Alternative Currencies or U.S. Dollars in tranche one						900,000
Revolving credit facility to be drawn in Alternative Currencies or U.S. Dollars in tranche two						$ 350,000
Description of variable rate basis						LIBOR
Amended 2015 Term Loan Facility
Debt Instrument [Line Items]
Description of variable rate basis						LIBOR
2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Term loans - net							$ 50,000
Description of variable rate basis						LIBOR
Proceeds from (repayments) notes payable				$ 25,000	$ 25,000
2015 term loan and the Omega OP term loan
Debt Instrument [Line Items]
Write-off of deferred financing costs							1,500
Derivative, notional amount							275,000
Interest Rate Swap | 2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Term loans - net		$ 75,000
Rate		3.29%
Derivative, maturity Date		May 25, 2022
Derivative, notional amount				25,000
Derivative, loss on derivative				600
Interest Rate Swap | 2017 Omega OP Term Loan Facility | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.45%
Interest Rate Swap | 2017 Omega OP Term Loan Facility | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		0.55%
Interest Rate Swap | 2015 term loan and the Omega OP term loan
Debt Instrument [Line Items]
Payments for hedge, financing activities							10,900
Unsecured Debt [Member]
Debt Instrument [Line Items]
Term loans - net							186,349	804,738
Unsecured debt							4,799,728	4,746,460
Unsecured Debt [Member] | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term line of credit						$ 1,250,000	$ 101,158	125,000
Description of variable rate basis						LIBOR
Rate							1.27%
Maturity date							May 25, 2021
Debt instrument number of available extensions | item							2
Debt instrument extension period duration							6 months
Unsecured Debt [Member] | Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate						1.00%
Unsecured Debt [Member] | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate						1.95%
Unsecured Debt [Member] | U.S. term loan
Debt Instrument [Line Items]
Term loans - net						$ 425,000		350,000
Write-off of deferred financing costs				800
Unsecured Debt [Member] | U.S. term loan | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate						0.90%
Unsecured Debt [Member] | U.S. term loan | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate						1.90%
Unsecured Debt [Member] | US Term Loan And Sterling Term Loan [Member]
Debt Instrument [Line Items]
Description of variable rate basis						LIBOR
Maturity date							May 25, 2022
Unsecured Debt [Member] | Sterling term loan
Debt Instrument [Line Items]
Term loans - net							$ 136,700	132,480		£ 100
Rate							1.47%
Unsecured Debt [Member] | Sterling term loan | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate						0.90%
Unsecured Debt [Member] | Sterling term loan | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate						1.90%
Unsecured Debt [Member] | Amended 2015 Term Loan Facility
Debt Instrument [Line Items]
Term loans - net			$ 250,000			$ 250,000		250,000
Write-off of deferred financing costs				700
Unsecured Debt [Member] | Amended 2015 Term Loan Facility | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate						1.40%
Unsecured Debt [Member] | Amended 2015 Term Loan Facility | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate						2.35%
Unsecured Debt [Member] | 2017 Omega OP Term Loan Facility
Debt Instrument [Line Items]
Term loans - net						$ 100,000	$ 50,000	$ 75,000
Rate							3.29%
Maturity date						May 25, 2022
Unsecured Debt [Member] | 2017 Omega OP Term Loan Facility | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate						0.90%
Unsecured Debt [Member] | 2017 Omega OP Term Loan Facility | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate						1.90%
Unsecured Debt [Member] | Two Hud Mortgages Assumed, U.S. Term Loan and Term Loan 2015
Debt Instrument [Line Items]
Prepayment fees							$ 900
Unsecured Debt [Member] | Interest Rate Swap | Amended 2015 Term Loan Facility
Debt Instrument [Line Items]
Description of variable rate basis			one-month LIBOR
Rate			3.8005%
Maturity date			Dec. 15, 2022
Derivative, notional amount				250,000
Derivative, loss on derivative				$ 10,300
Unsecured Debt [Member] | Interest Rate Swap | Amended 2015 Term Loan Facility | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate			0.40%
Unsecured Debt [Member] | Interest Rate Swap | Amended 2015 Term Loan Facility | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate			0.55%

BORROWING ARRANGEMENTS (Senior

BORROWING ARRANGEMENTS (Senior Notes) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
4.375% notes due 2023
Interest rate	4.375%	4.375%
4.95% notes due 2024
Interest rate	4.95%	4.95%
4.50% notes due 2025
Interest rate	4.50%	4.50%
5.25% notes due 2026
Interest rate	5.25%	5.25%
4.50% notes due 2027
Interest rate	4.50%	4.50%
4.75% notes due 2028
Interest rate	4.75%	4.75%
3.625% notes due 2029
Interest rate	3.625%	3.625%
Senior Notes [Member] | 4.375% notes due 2023
Long-term Debt, Gross	$ 700,000	$ 700,000
Interest rate	4.375%
Proceeds from issuance of senior long-term debt	$ 692,000
Senior Notes [Member] | 4.95% notes due 2024
Long-term Debt, Gross	$ 400,000	400,000
Interest rate	4.95%
Proceeds from issuance of senior long-term debt	$ 394,300
Senior Notes [Member] | 4.50% notes due 2025
Long-term Debt, Gross	$ 400,000	400,000
Interest rate	4.50%
Proceeds from issuance of senior long-term debt	$ 397,700
Senior Notes [Member] | 5.25% notes due 2026
Long-term Debt, Gross	$ 600,000	600,000
Interest rate	5.25%
Proceeds from issuance of senior long-term debt	$ 594,400
Senior Notes [Member] | 4.50% notes due 2027
Long-term Debt, Gross	$ 700,000	700,000
Interest rate	4.50%
Proceeds from issuance of senior long-term debt	$ 683,000
Senior Notes [Member] | 4.75% notes due 2028
Long-term Debt, Gross	$ 550,000	550,000
Interest rate	4.75%
Proceeds from issuance of senior long-term debt	$ 540,800
Senior Notes [Member] | 3.625% notes due 2029
Long-term Debt, Gross	$ 500,000	$ 500,000
Interest rate	3.625%
Proceeds from issuance of senior long-term debt	$ 487,800

BORROWING ARRANGEMENTS (Subordi

BORROWING ARRANGEMENTS (Subordinated Debt) (Narrative) (Detail) $ in Thousands	1 Months Ended	3 Months Ended
	Jun. 30, 2010USD ($)item	Dec. 31, 2019USD ($)	Dec. 31, 2020USD ($)
Subordinated debt | Unsecured Debt [Member]
Long-term Debt, Gross		$ 13,541	$ 20,000
Debt instrument, interest rate, stated percentage			9.00%
Five Subordinated Debt Notes [Member]
Number of separate subordinated notes assumed | item	5
Five Subordinated Debt Notes [Member] | Unsecured Debt [Member]
Long-term Debt, Gross	$ 4,000
Debt instrument, interest rate, stated percentage	9.00%
Offset (reversed) assumed debt against unpaid rent		$ 6,500
Debt Instrument, Maturity Date	Dec. 21, 2021

BORROWING ARRANGEMENTS (Forward

BORROWING ARRANGEMENTS (Forward Starting Swaps) (Details) $ in Millions	Mar. 27, 2020USD ($)contract	Oct. 31, 2020USD ($)	Dec. 31, 2020
Debt instrument, covenant description			Certain of our other secured and unsecured borrowings are subject to customary affirmative and negative covenants, including financial covenants. As of December 31, 2020 and 2019, we were in compliance with all affirmative and negative covenants, including financial covenants, for our secured and unsecured borrowings.
Number of forward starting swaps entered into | contract	5
3.375% notes due 2031
Debt instrument, interest rate, stated percentage			3.375%
Maturity			2031
3.375% notes due 2031 | Senior Notes [Member]
Debt instrument, face amount		$ 700
Debt instrument, interest rate, stated percentage		3.375%
Maturity		2031
Interest Rate Swap | Cash Flow Hedging [Member]
Derivative, notional amount	$ 400
Derivative, effective date			Aug. 1, 2023
Derivative, inception Date			Mar. 27, 2020
Derivative, maturity Date			Aug. 1, 2033
Derivative forecasted issuance period on long term debt	5 years
Derivative, fixed interest rate	0.8675%
Derivative, maximum period	46 months

BORROWING ARRANGEMENTS (Other D

BORROWING ARRANGEMENTS (Other Debt Assumptions and Replacement and General) (Detail) - MedEquities $ in Millions	May 17, 2019USD ($)
Outstanding balance on line of credit assumed in merger	$ 160.1
Term Loan $125 Million
Merger assumed term loan	$ 125

BORROWING ARRANGEMENTS (Sched_2

BORROWING ARRANGEMENTS (Schedule of principal payments, excluding the premium/discount and the aggregate due thereafter) (Detail) $ in Thousands	Dec. 31, 2020USD ($)
BORROWING ARRANGEMENTS [Abstract]
2021	$ 130,876
2022	194,370
2023	707,904
2024	408,144
2025	408,393
Thereafter	3,377,695
Totals	$ 5,227,382

FINANCIAL INSTRUMENTS (Schedule

FINANCIAL INSTRUMENTS (Schedule of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
4.375% notes due 2023
Liabilities:
Notes issued, interest rate	4.375%	4.375%
4.95% notes due 2024
Liabilities:
Notes issued, interest rate	4.95%	4.95%
4.50% notes due 2025
Liabilities:
Notes issued, interest rate	4.50%	4.50%
5.25% notes due 2026
Liabilities:
Notes issued, interest rate	5.25%	5.25%
4.50% notes due 2027
Liabilities:
Notes issued, interest rate	4.50%	4.50%
4.75% notes due 2028
Liabilities:
Notes issued, interest rate	4.75%	4.75%
3.625% notes due 2029
Liabilities:
Notes issued, interest rate	3.625%	3.625%
3.375% notes due 2031
Liabilities:
Notes issued, interest rate	3.375%
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Assets:
Investments in direct financing leases - net	$ 10,764	$ 11,488
Mortgage notes receivable - net	885,313	773,563
Other investments - net	467,442	419,228
Total	1,363,519	1,204,279
Liabilities:
Revolving line of credit	101,158	125,000
Secured borrowing	2,275	2,275
U.S. term loan	0	348,878
Sterling term loan	136,453	132,059
Omega OP term loan	49,896	74,763
2015 term loan		249,038
Subordinated debt - net	20,083	13,714
Total	5,169,252	5,136,140
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 4.375% notes due 2023
Liabilities:
Notes Payable	696,981	695,812
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 4.95% notes due 2024
Liabilities:
Notes Payable	396,714	395,702
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 4.50% notes due 2025
Liabilities:
Notes Payable	396,924	396,163
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 5.25% notes due 2026
Liabilities:
Notes Payable	596,437	595,732
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 4.50% notes due 2027
Liabilities:
Notes Payable	690,909	689,445
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 4.75% notes due 2028
Liabilities:
Notes Payable	542,899	541,891
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 3.625% notes due 2029
Liabilities:
Notes Payable	489,472	488,263
Carrying (Reported) Amount, Fair Value Disclosure [Member] | 3.375% notes due 2031
Liabilities:
Notes Payable	681,802
Carrying (Reported) Amount, Fair Value Disclosure [Member] | Hud Mortgage Assumed [Member]
Liabilities:
HUD debt - net	367,249	387,405
Estimate Of Fair Value, Fair Value Disclosure [Member]
Assets:
Investments in direct financing leases - net	10,764	11,488
Mortgage notes receivable - net	924,353	819,083
Other investments - net	474,552	412,934
Total	1,409,669	1,243,505
Liabilities:
Revolving line of credit	101,158	125,000
Secured borrowing	2,275	2,275
U.S. term loan	0	350,000
Sterling term loan	136,700	132,480
Omega OP term loan	50,000	75,000
2015 term loan		250,000
Subordinated debt - net	21,599	15,253
Total	5,767,243	5,490,735
Estimate Of Fair Value, Fair Value Disclosure [Member] | 4.375% notes due 2023
Liabilities:
Notes Payable	770,635	749,693
Estimate Of Fair Value, Fair Value Disclosure [Member] | 4.95% notes due 2024
Liabilities:
Notes Payable	441,194	442,327
Estimate Of Fair Value, Fair Value Disclosure [Member] | 4.50% notes due 2025
Liabilities:
Notes Payable	444,652	430,529
Estimate Of Fair Value, Fair Value Disclosure [Member] | 5.25% notes due 2026
Liabilities:
Notes Payable	697,993	675,078
Estimate Of Fair Value, Fair Value Disclosure [Member] | 4.50% notes due 2027
Liabilities:
Notes Payable	794,294	759,475
Estimate Of Fair Value, Fair Value Disclosure [Member] | 4.75% notes due 2028
Liabilities:
Notes Payable	633,950	602,967
Estimate Of Fair Value, Fair Value Disclosure [Member] | 3.625% notes due 2029
Liabilities:
Notes Payable	532,248	500,792
Estimate Of Fair Value, Fair Value Disclosure [Member] | 3.375% notes due 2031
Liabilities:
Notes Payable	731,541
Estimate Of Fair Value, Fair Value Disclosure [Member] | Hud Mortgage Assumed [Member]
Liabilities:
HUD debt - net	$ 409,004	$ 379,866

TAXES (Narrative) (Detail)

TAXES (Narrative) (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2020USD ($)subsidiary
Taxes [Line Items]
Minimum number of subsequent years the company may not be able to qualify as a REIT	4 years
Percentage of income subject to federal taxation	100.00%
Net operating loss carryforwards period	Under current law, our NOL carry-forwards generated up through December 31, 2017 may be carried forward for no more than 20 years, and our NOL carry-forwards generated in our taxable years ended December 31, 2020, December 31, 2019 and December 31, 2018 may be carried forward indefinitely.
Number of TRSs subject to income taxes at corporate rate with net operating carry forward | subsidiary	1
Taxable REIT Subsidiaries [Member]
Taxes [Line Items]
Net operating loss carry-forward | $	$ 5.7

TAXES (Schedule of components o

TAXES (Schedule of components of income tax expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Taxes [Abstract]
Provision for federal, state and local income taxes	$ 1.3	$ 0.8	$ 0.8
Provision for foreign income taxes	3.6	2	2.2
Total provision for income taxes	$ 4.9	$ 2.8	$ 3

TAXES (Schedule of deferred tax

TAXES (Schedule of deferred tax assets and liabilities) (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Federal net operating loss carryforward	$ 1,194	$ 1,199
Deferred tax liability:
Foreign deferred tax liability	(10,766)	(11,350)
Valuation allowance on deferred tax asset	(1,194)	(1,199)
Net deferred tax liability	$ (10,766)	$ (11,350)

STOCKHOLDERS EQUITY (Forward Eq

STOCKHOLDERS EQUITY (Forward Equity Offering) (Narrative) (Detail) - Forward equity sales agreement - USD ($) $ / shares in Units, shares in Millions, $ in Millions	Dec. 27, 2019	Sep. 09, 2019	Sep. 30, 2019	Dec. 31, 2019
Forward contract indexed to issuer's equity, shares		7.5
Equity offering amount		$ 300
Forward contract indexed to issuer's equity, forward rate per share		$ 40.01	$ 40.01
Issuance of common stock (in shares)	7.5			7.5
Equity Issuance Price Per Share	$ 39.45
Proceeds from issuance of common stock	$ 295.9
Maximum
Forward contract indexed to issuer's equity, shares			7.5

STOCKHOLDERS EQUITY (Common Sto

STOCKHOLDERS EQUITY (Common Stock Repurchase) (Narrative) (Detail) - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2020	Mar. 20, 2020
Stockholders Equity [Abstract]
Stock repurchase program, authorized amount		$ 200
Stock repurchased during period, shares	0

STOCKHOLDERS EQUITY (Schedule o

STOCKHOLDERS EQUITY (Schedule of Common Stock Dividends) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 2.68	$ 2.65	$ 2.64
Dividend Record Date One [Member]
Dividends Payable [Line Items]
Dividends Declared, Date Of Record	Jan. 31, 2020
Dividends Payable, Date to be Paid	Feb. 14, 2020
Common Stock, Dividends, Per Share, Declared	$ 0.67
Dividend Record Date Two [Member]
Dividends Payable [Line Items]
Dividends Declared, Date Of Record	Apr. 30, 2020
Dividends Payable, Date to be Paid	May 15, 2020
Common Stock, Dividends, Per Share, Declared	$ 0.67
Dividend Record Date Three [Member]
Dividends Payable [Line Items]
Dividends Declared, Date Of Record	Jul. 31, 2020
Dividends Payable, Date to be Paid	Aug. 14, 2020
Common Stock, Dividends, Per Share, Declared	$ 0.67
Dividend Record Date Four [Member]
Dividends Payable [Line Items]
Dividends Declared, Date Of Record	Nov. 2, 2020
Dividends Payable, Date to be Paid	Nov. 16, 2020
Common Stock, Dividends, Per Share, Declared	$ 0.67
Dividend Record Date Five [Member]
Dividends Payable [Line Items]
Dividends Declared, Date Of Record	Feb. 8, 2021
Dividends Payable, Date to be Paid	Feb. 16, 2021
Common Stock, Dividends, Per Share, Declared	$ 0.67

STOCKHOLDERS EQUITY (Equity She

STOCKHOLDERS EQUITY (Equity Shelf Program Schedule and Narrative) (Detail) - $500 Million Equity Shelf Program - USD ($) $ / shares in Units, shares in Millions, $ in Millions	Sep. 03, 2015	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Sales price, equity distribution agreement	$ 500
Issuance of common stock (in shares)		4.2	3.1	2.3
Average issue price per share		$ 36.16	$ 34.79	$ 33.18
Proceeds from issuance of common stock		$ 152.6	$ 109	$ 75.5
Maximum
Compensation percentage for sale of shares	2.00%

STOCKHOLDERS EQUITY (Schedule_2

STOCKHOLDERS EQUITY (Schedule of dividend reinvestment and common stock purchase plan) (Detail) - Dividend Reinvestment And Common Stock Purchase Plan - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Issuance of common stock (in shares)	0.1	3	1.5
Gross proceeds from issuance of common stock	$ 3.7	$ 115.1	$ 46.8

STOCKHOLDERS EQUITY (Per Share

STOCKHOLDERS EQUITY (Per Share Distributions) (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Dividends Payable [Line Items]
Dividend Per Common Share	$ 2.680	$ 2.650	$ 2.640
Ordinary Income [Member]
Dividends Payable [Line Items]
Dividend Per Common Share	1.961	1.763	1.691
Return Of Capital [Member]
Dividends Payable [Line Items]
Dividend Per Common Share	0.654	0.591	0.931
Capital Gains [Member]
Dividends Payable [Line Items]
Dividend Per Common Share	$ 0.065	$ 0.296	$ 0.018

STOCKHOLDERS EQUITY (Schedule_3

STOCKHOLDERS EQUITY (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 4,336,594	$ 3,764,484	$ 3,888,258
Balance , ending	4,036,607	4,336,594	3,764,484
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	4,336,594	3,764,484	3,764,484	$ 4,036,607	$ 4,336,594	$ 3,764,484
Add: portion included in noncontrolling interest				(194,731)	(201,166)
Stockholders Equity/AOCI				3,841,876	4,135,428
AOCI Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Add: portion included in noncontrolling interest				1,272	2,031	1,988
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(41,889)	(43,640)
Balance , ending	(14,040)	(41,889)	(43,640)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(41,889)	(43,640)	(43,640)	(14,040)	(41,889)	(43,640)
Foreign Currency Translation [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(35,100)	(47,704)	(26,033)
Translation loss	16,595	12,646	(21,703)
Realized gain (loss)	78	(42)	32
Balance , ending	(18,427)	(35,100)	(47,704)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(35,100)	(35,100)	(26,033)	(18,427)	(35,100)	(47,704)
Cash Flow Hedges [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(2,369)	3,994	1,463
Unrealized (loss) gain	34,712	(7,071)	2,593
Realized (loss) gain	(14,625)	708	(62)
Balance , ending	17,718	(2,369)	3,994
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	17,718	3,994	1,463	17,718	(2,369)	3,994
Net Investment Hedge [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(4,420)	70	(7,070)
Unrealized (loss) gain	(8,911)	(4,490)	7,140
Balance , ending	(13,331)	(4,420)	70
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(13,331)	70	(7,070)	(13,331)	(4,420)	70
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(39,858)	(41,652)	(30,150)
Balance , ending	(12,768)	(39,858)	(41,652)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (12,768)	$ (39,858)	$ (41,652)	(12,768)	(39,858)	(41,652)
Stockholders Equity/AOCI				$ (12,768)	$ (39,858)	$ (41,652)

STOCK-BASED COMPENSATION (Narra

STOCK-BASED COMPENSATION (Narrative) (Detail) - USD ($) $ / shares in Units, $ in Thousands	Jun. 08, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2020	Jan. 01, 2019	Jan. 01, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of operating partnership units distributions		10.00%
Total Compensation Cost		$ 27,000	$ 17,820	$ 16,600
Deferred shares, outstanding		537,236	459,389
Shares paid for tax withholding for share based compensation		4,700,000	4,800,000	1,700,000
Performance Based Restricted Stock Units and Profit Interest Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing stock price					$ 42.35	$ 35.15	$ 27.54
Shares awarded, other than options		2,897,496	2,401,087	2,169,432				1,360,780
Unrecognized compensation cost		$ 4,600
Weighted average period of expense recognition		36 months
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sharebased compensation arrangement by sharebased payment award share number issuable upon each vested award		1
Profit Interest Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sharebased compensation arrangement by sharebased payment award partnership unit number issuable upon each vested award		1
Stock Incentive Plan 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in number of shares reserved for issuance	4,500,000
Number of common shares reserved for future issuance		3,200,000
Performance Based Vesting Requirements on (TSR) Total Shareholder Return | Performance Based Restricted Stock Units and Profit Interest Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost		$ 10,500
Weighted average period of expense recognition		48 months
Performance Based Vesting Requirements on (Relative TSR) Total Shareholder Return [Member] | Performance Based Restricted Stock Units and Profit Interest Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost		$ 12,100
Weighted average period of expense recognition		48 months

STOCK-BASED COMPENSATION (Sched

STOCK-BASED COMPENSATION (Schedule of activity in restricted stock and RSUs) (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Weighted - Average Grant-Date Fair Value per Share
Total Compensation Cost	$ 27,000	$ 17,820	$ 16,600
Time Based Restricted Stock Units [Member]
Number of Shares/Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Beginning Balance	298,592	358,873	337,509
Granted	158,572	160,158	217,717
Cancelled	(2,006)	(32,376)	(5,941)
Vested	(184,480)	(188,063)	(190,412)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	270,678	298,592	358,873
Weighted - Average Grant-Date Fair Value per Share
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance	$ 31.44	$ 29.44	$ 32.78
Granted	39.88	35.20	28.19
Cancelled	42.05	30.38	30.82
Vested	29.28	31.01	33.89
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance	$ 37.78	$ 31.44	$ 29.44
Performance Based Restricted Stock Units and Profit Interest Units [Member]
Number of Shares/Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Beginning Balance	2,401,087	2,169,432	1,360,780
Granted	1,208,537	822,584	1,012,032
Cancelled	(54,076)	(125,885)
Forfeited			(203,380)
Vested	(658,052)	(465,044)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	2,897,496	2,401,087	2,169,432
Weighted - Average Grant-Date Fair Value per Share
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance	$ 13.01	$ 13.04	$ 14.82
Granted	17.11	14.80	10.40
Cancelled	16.52	14.57
Forfeited			11.82
Vested	14.85	15.89
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance	$ 14.24	$ 13.01	$ 13.04

STOCK-BASED COMPENSATION (Sch_2

STOCK-BASED COMPENSATION (Schedule of assumptions used for estimating fair value of stock awards using Monte-Carlo model) (Detail) - Performance Based Restricted Stock Units and Profit Interest Units [Member] - $ / shares	Jan. 01, 2020	Jan. 01, 2019	Jan. 01, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing price on date of grant	$ 42.35	$ 35.15	$ 27.54
Dividend yield	6.33%	7.51%	9.44%
Risk free interest rate at time of grant, minimum	1.63%	2.45%	1.60%
Risk free interest rate at time of grant, maximum	1.68%	2.57%	2.05%
Expected volatility, minimum	21.26%	21.78%	21.03%
Expected volatility, maximum	21.97%	22.76%	23.24%

COMMITMENTS AND CONTINGENCIES_2

COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($)	Sep. 29, 2020	Dec. 31, 2020	Dec. 31, 2019	May 17, 2019
Total commitments		$ 557,119,000
Asset retirement obligation		0	$ 0
Indemnification Agreement [Member]
Total commitments		$ 12,600,000
Lakeway Realty LLC [Member]
Litigation settlement, amount awarded to other party	$ 1,100,000
Minimum | Indemnification Agreement [Member]
Indemnification agreement occurrence period		18 months
Maximum | Indemnification Agreement [Member]
Indemnification agreement occurrence period		72 months
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Lakeway Realty LLC [Member]
Equity Method Investment, Ownership Percentage				51.00%

COMMITMENTS AND CONTINGENCIES_3

COMMITMENTS AND CONTINGENCIES (Schedule of remaining commitments) (Detail) $ in Thousands	Dec. 31, 2020USD ($)
Total commitments	$ 557,119
Amounts funded to date	(450,766)
Remaining commitments	106,353
Other Investment Committed [Member]
Remaining commitments	$ 95,700

SUPPLEMENTAL DISCLOSURE TO CO_3

SUPPLEMENTAL DISCLOSURE TO CONSOLIDATED STATEMENTS OF CASH FLOWS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents	$ 163,535	$ 24,117	$ 10,300
Restricted cash	4,023	9,263	1,371
Cash, cash equivalents and restricted cash at end of year	167,558	33,380	11,671	$ 96,808
Supplemental Information:
Interest paid during the year, net of amounts capitalized	216,206	205,943	211,863
Taxes paid during the year	6,974	5,097	4,772
Non cash investing activities
Non cash acquisition of a business (See Note 3)	(1,826)	(566,966)	0
Non cash acquisition of real estate (See Note 3)	0	(531,801)	(185,592)
Non cash proceeds from sale of real estate investments (See Note 3 and Note 5)	83,910	0	53,118
Non cash placement of mortgage principal (See Note 3 and Note 5)	(86,936)	0	0
Non cash surrender of mortgage (See Note 3)	0	11,874	0
Non cash investment in other investments (See Note 6)	(121,139)	(27,408)	(16,153)
Non cash proceeds from other investments (See Note 3 and Note 6)	68,025	149,542	7,000
Non cash settlement of direct financing lease (See Note 3)	0	4,970	184,462
Initial non cash right of use asset - ground leases	0	5,593	0
Initial non cash lease liability - ground leases	0	(5,593)	0
Non cash financing activities
Debt assumed in merger (see Note 3)	0	285,100	0
Stock exchanged in merger (see Note 3)	0	281,865	0
Acquisition of other long term borrowings (see Note 13)	0	388,627	0
Non cash disposition of other long-term borrowings (see Note 13)	0	0	(53,118)
Non cash borrowing (repayment) of other long term debt (see Note 13)	6,459	(6,459)	0
Change in fair value of cash flow hedges	19,788	(7,757)	2,531
Remeasurement of debt denominated in a foreign currency	$ 8,911	$ 4,490	$ (7,140)

EARNINGS PER SHARE (Narrative)

EARNINGS PER SHARE (Narrative) (Detail) - Forward equity sales agreement - USD ($) $ / shares in Units, shares in Millions, $ in Millions	Dec. 27, 2019	Sep. 09, 2019	Sep. 30, 2019	Dec. 31, 2019
Forward contract indexed to issuer's equity, shares		7.5
Forward contract indexed to issuer's equity, forward rate per share		$ 40.01	$ 40.01
Number of common stock sold	7.5			7.5
Equity Issuance Price Per Share	$ 39.45
Proceeds from issuance of common stock	$ 295.9
Maximum
Forward contract indexed to issuer's equity, shares			7.5

EARNINGS PER SHARE (Schedule of

EARNINGS PER SHARE (Schedule of Computation of Basic and Diluted Earnings per Share) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net income	$ 163,545	$ 351,947	$ 293,884
Deduct: net income attributable to noncontrolling interests	(4,218)	(10,824)	(12,306)
Net income available to common stockholders	$ 159,327	$ 341,123	$ 281,578
Denominator:
Denominator for basic earnings per share	227,741	213,404	200,279
Effect of dilutive securities:
Common stock equivalents	1,239	1,753	691
Net forward share contract		179
Noncontrolling interest - Omega OP Units	6,124	6,789	8,741
Denominator for diluted earnings per share	235,104	222,125	209,711
Earnings per share - basic:
Net income available to common stockholders	$ 0.70	$ 1.60	$ 1.41
Earnings per share - diluted:
Net income	$ 0.70	$ 1.58	$ 1.40

SUBSEQUENT EVENTS (Narrative) (

SUBSEQUENT EVENTS (Narrative) (Details) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 28, 2021USD ($)facility	Dec. 31, 2020USD ($)facility	Dec. 31, 2021USD ($)	Jan. 20, 2021USD ($)facilityitem	Dec. 31, 2018facility
Number of real estate properties		967
Facilities Sold
Number of real estate properties					78
Facilities Sold Previously Held-for-Sale
Number of real estate properties		16
Subsequent event | Facilities Sold
Number of real estate properties	16
Senior Living Facilities [Member] | Subsequent event | Facilities Acquired
Number of real estate properties				24
24 Facilities | Forecast [Member]
Revenue from contracts | $			$ 43.5
24 Facilities | Facilities Acquired
Number of real estate properties				24
24 Facilities | Subsequent event
Purchase price of assets acquired | $				$ 510
Number of Beds | item				2,552
24 Facilities | Subsequent event | Facilities Acquired | Arizona
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | California
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | Florida
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | Illinois
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | New Jersey
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | Oregon
Number of real estate properties				6
24 Facilities | Subsequent event | Facilities Acquired | Pennsylvania
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | Tennessee
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | Texas
Number of real estate properties				6
24 Facilities | Subsequent event | Facilities Acquired | Virginia
Number of real estate properties				1
24 Facilities | Subsequent event | Facilities Acquired | Washington
Number of real estate properties				4
16 Facilities
Total cash proceeds | $		$ 63.7
Gain (loss) on assets sold - net | $		$ 5.2
16 Facilities | Facilities Sold
Number of real estate properties		16
16 Facilities | Facilities Sold Previously Held-for-Sale
Number of real estate properties		12
16 Facilities | Subsequent event
Total cash proceeds | $	$ 149.6
Gain (loss) on assets sold - net | $	94.4
Carrying amount of facility, operating | $	$ 49.3

SCHEDULE II - VALUATION AND Q_2

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Allowance for doubtful accounts:
Balance at Beginning of Period	$ 109,180	$ 185,913
Charged to Provision Accounts	7,917	33,857
Deductions or Other	111,975	110,590
Balance at End of Period	5,122	109,180
Allowance for Contractual Receivables [Member]
Allowance for doubtful accounts:
Balance at Beginning of Period	1,075	8,463
Charged to Provision Accounts		(4,226)
Deductions or Other	1,075	3,162
Balance at End of Period		1,075
Allowance Other Receivables and Lease Inducements [Member]
Allowance for doubtful accounts:
Balance at Beginning of Period		0
Charged to Provision Accounts		10,962
Deductions or Other		10,962
Allowance for Mortgage Notes Receivable [Member]
Allowance for doubtful accounts:
Balance at Beginning of Period	4,905	4,905
Deductions or Other	0	0
Balance at End of Period	4,905	4,905
Allowance For Doubtful Accounts Other Investments [Member]
Allowance for doubtful accounts:
Balance at Beginning of Period		373
Charged to Provision Accounts		(47)
Deductions or Other		326
Allowance For Doubtful Accounts Direct Financing Leases [Member]
Allowance for doubtful accounts:
Balance at Beginning of Period	103,200	172,172
Charged to Provision Accounts	7,917	27,168
Deductions or Other	110,900	96,140
Balance at End of Period	$ 217	$ 103,200

SCHEDULE III - REAL ESTATE AN_2

SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 887,166
Initial Cost to Company Buildings and Improvements	7,407,273
Cost Capitalized Subsequent to Acquisition Improvements	506,994
Cost Capitalized Subsequent to Acquisition Carrying Cost	43,755
Cost Capitalized Subsequent to Acquisition Other	(143,034)
Gross Amount at Which Carried at Close of Period Land	883,767
Gross Amount at Which Carried at Close of Period Buildings and Improvements	7,818,387
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	8,702,154	$ 8,985,994	$ 7,746,410	$ 7,655,960
Accumulated Depreciation	1,996,914	$ 1,787,425	$ 1,562,619	$ 1,376,828
Consulate Health Care
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	79,624
Initial Cost to Company Buildings and Improvements	856,460
Cost Capitalized Subsequent to Acquisition Improvements	3,709
Cost Capitalized Subsequent to Acquisition Other	(711)
Gross Amount at Which Carried at Close of Period Land	79,624
Gross Amount at Which Carried at Close of Period Buildings and Improvements	859,458
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	939,082
Accumulated Depreciation	93,613
Consulate Health Care | Florida
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	57,250
Initial Cost to Company Buildings and Improvements	558,604
Cost Capitalized Subsequent to Acquisition Improvements	3,709
Gross Amount at Which Carried at Close of Period Land	57,250
Gross Amount at Which Carried at Close of Period Buildings and Improvements	562,313
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	619,563
Accumulated Depreciation	$ 62,120
Date Of Construction	1950 - 2000
Date Acquired	1993 - 2019
Consulate Health Care | Florida | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Consulate Health Care | Florida | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	37 years
Consulate Health Care | North Carolina
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 7,126
Initial Cost to Company Buildings and Improvements	94,113
Cost Capitalized Subsequent to Acquisition Other	(711)
Gross Amount at Which Carried at Close of Period Land	7,126
Gross Amount at Which Carried at Close of Period Buildings and Improvements	93,402
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	100,528
Accumulated Depreciation	$ 17,019
Date Of Construction	1969 - 1995
Date Acquired	2010 - 2019
Consulate Health Care | North Carolina | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Consulate Health Care | North Carolina | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	36 years
Consulate Health Care | Pennsylvania
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 8,361
Initial Cost to Company Buildings and Improvements	82,661
Gross Amount at Which Carried at Close of Period Land	8,361
Gross Amount at Which Carried at Close of Period Buildings and Improvements	82,661
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	91,022
Accumulated Depreciation	$ 6,385
Date Of Construction	1964 - 1999
Date Acquired	2019
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Consulate Health Care | Virginia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,588
Initial Cost to Company Buildings and Improvements	39,215
Gross Amount at Which Carried at Close of Period Land	1,588
Gross Amount at Which Carried at Close of Period Buildings and Improvements	39,215
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	40,803
Accumulated Depreciation	$ 3,099
Date Of Construction	1967 - 1975
Date Acquired	2019
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Consulate Health Care | Louisiana
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,751
Initial Cost to Company Buildings and Improvements	25,249
Gross Amount at Which Carried at Close of Period Land	1,751
Gross Amount at Which Carried at Close of Period Buildings and Improvements	25,249
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	27,000
Accumulated Depreciation	$ 1,558
Date Of Construction	1962 - 1988
Date Acquired	2019
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Consulate Health Care | Mississippi
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 3,548
Initial Cost to Company Buildings and Improvements	56,618
Gross Amount at Which Carried at Close of Period Land	3,548
Gross Amount at Which Carried at Close of Period Buildings and Improvements	56,618
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	60,166
Accumulated Depreciation	$ 3,432
Date Of Construction	1965 - 1974
Date Acquired	2019
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Maplewood Real Estate Holdings
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 177,066
Initial Cost to Company Buildings and Improvements	395,441
Cost Capitalized Subsequent to Acquisition Improvements	220,437
Cost Capitalized Subsequent to Acquisition Carrying Cost	41,369
Cost Capitalized Subsequent to Acquisition Other	(680)
Gross Amount at Which Carried at Close of Period Land	177,066
Gross Amount at Which Carried at Close of Period Buildings and Improvements	656,567
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	833,633
Accumulated Depreciation	83,145
Maplewood Real Estate Holdings | Massachusetts
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	19,041
Initial Cost to Company Buildings and Improvements	113,728
Cost Capitalized Subsequent to Acquisition Improvements	15,964
Cost Capitalized Subsequent to Acquisition Other	(680)
Gross Amount at Which Carried at Close of Period Land	19,041
Gross Amount at Which Carried at Close of Period Buildings and Improvements	129,012
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	148,053
Accumulated Depreciation	$ 28,582
Date Of Construction	1988 - 2017
Date Acquired	2014
Maplewood Real Estate Holdings | Massachusetts | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Maplewood Real Estate Holdings | Massachusetts | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Maplewood Real Estate Holdings | New Jersey
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 10,673
Cost Capitalized Subsequent to Acquisition Improvements	23,870
Cost Capitalized Subsequent to Acquisition Carrying Cost	826
Gross Amount at Which Carried at Close of Period Land	10,673
Gross Amount at Which Carried at Close of Period Buildings and Improvements	24,696
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	$ 35,369
Date Of Construction	N/A
Date Acquired	2019
Maplewood Real Estate Holdings | New York
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 118,606
Cost Capitalized Subsequent to Acquisition Improvements	173,571
Cost Capitalized Subsequent to Acquisition Carrying Cost	40,543
Gross Amount at Which Carried at Close of Period Land	118,606
Gross Amount at Which Carried at Close of Period Buildings and Improvements	214,114
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	332,720
Accumulated Depreciation	$ 3,129
Date Of Construction	2020
Date Acquired	2015
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Maplewood Real Estate Holdings | Ohio
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 3,683
Initial Cost to Company Buildings and Improvements	27,628
Cost Capitalized Subsequent to Acquisition Improvements	73
Gross Amount at Which Carried at Close of Period Land	3,683
Gross Amount at Which Carried at Close of Period Buildings and Improvements	27,701
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	31,384
Accumulated Depreciation	$ 5,735
Date Of Construction	1999 - 2016
Date Acquired	2013 - 2014
Maplewood Real Estate Holdings | Ohio | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Maplewood Real Estate Holdings | Ohio | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Maplewood Real Estate Holdings | Connecticut
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 25,063
Initial Cost to Company Buildings and Improvements	254,085
Cost Capitalized Subsequent to Acquisition Improvements	6,959
Gross Amount at Which Carried at Close of Period Land	25,063
Gross Amount at Which Carried at Close of Period Buildings and Improvements	261,044
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	286,107
Accumulated Depreciation	$ 45,699
Date Of Construction	1968 - 2019
Date Acquired	2010 - 2017
Maplewood Real Estate Holdings | Connecticut | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Maplewood Real Estate Holdings | Connecticut | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Saber Health Group
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 41,435
Initial Cost to Company Buildings and Improvements	502,584
Cost Capitalized Subsequent to Acquisition Improvements	19,763
Cost Capitalized Subsequent to Acquisition Other	(553)
Gross Amount at Which Carried at Close of Period Land	41,435
Gross Amount at Which Carried at Close of Period Buildings and Improvements	521,794
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	563,229
Accumulated Depreciation	98,807
Saber Health Group | Ohio
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	3,028
Initial Cost to Company Buildings and Improvements	82,070
Cost Capitalized Subsequent to Acquisition Improvements	5,422
Cost Capitalized Subsequent to Acquisition Other	(268)
Gross Amount at Which Carried at Close of Period Land	3,028
Gross Amount at Which Carried at Close of Period Buildings and Improvements	87,224
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	90,252
Accumulated Depreciation	$ 20,059
Date Of Construction	1979 - 2000
Date Acquired	2011 - 2016
Saber Health Group | Ohio | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Saber Health Group | Ohio | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Saber Health Group | Florida
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 423
Initial Cost to Company Buildings and Improvements	4,422
Cost Capitalized Subsequent to Acquisition Improvements	283
Gross Amount at Which Carried at Close of Period Land	423
Gross Amount at Which Carried at Close of Period Buildings and Improvements	4,705
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	5,128
Accumulated Depreciation	$ 1,269
Date Of Construction	2009
Date Acquired	2011
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Saber Health Group | North Carolina
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 11,978
Initial Cost to Company Buildings and Improvements	129,432
Cost Capitalized Subsequent to Acquisition Improvements	3,806
Gross Amount at Which Carried at Close of Period Land	11,978
Gross Amount at Which Carried at Close of Period Buildings and Improvements	133,238
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	145,216
Accumulated Depreciation	$ 29,194
Date Of Construction	1965 - 2019
Date Acquired	2016 - 2019
Saber Health Group | North Carolina | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Saber Health Group | North Carolina | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Saber Health Group | Pennsylvania
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 6,328
Initial Cost to Company Buildings and Improvements	104,222
Cost Capitalized Subsequent to Acquisition Improvements	3,958
Gross Amount at Which Carried at Close of Period Land	6,328
Gross Amount at Which Carried at Close of Period Buildings and Improvements	108,180
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	114,508
Accumulated Depreciation	$ 23,810
Date Of Construction	1873 - 2002
Date Acquired	2007 - 2011
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Saber Health Group | Virginia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 19,678
Initial Cost to Company Buildings and Improvements	182,438
Cost Capitalized Subsequent to Acquisition Improvements	6,294
Cost Capitalized Subsequent to Acquisition Other	(285)
Gross Amount at Which Carried at Close of Period Land	19,678
Gross Amount at Which Carried at Close of Period Buildings and Improvements	188,447
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	208,125
Accumulated Depreciation	$ 24,475
Date Of Construction	1964 - 2017
Date Acquired	2013 - 2020
Saber Health Group | Virginia | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Saber Health Group | Virginia | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Agemo Holdings LLC
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 38,181
Initial Cost to Company Buildings and Improvements	439,133
Cost Capitalized Subsequent to Acquisition Improvements	40,967
Cost Capitalized Subsequent to Acquisition Carrying Cost	1,468
Gross Amount at Which Carried at Close of Period Land	38,181
Gross Amount at Which Carried at Close of Period Buildings and Improvements	481,568
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	519,749
Accumulated Depreciation	148,739
Agemo Holdings LLC | Florida
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	12,311
Initial Cost to Company Buildings and Improvements	148,949
Cost Capitalized Subsequent to Acquisition Improvements	32,413
Cost Capitalized Subsequent to Acquisition Carrying Cost	1,468
Gross Amount at Which Carried at Close of Period Land	12,311
Gross Amount at Which Carried at Close of Period Buildings and Improvements	182,830
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	195,141
Accumulated Depreciation	$ 60,107
Date Of Construction	1940 - 2020
Date Acquired	1996 - 2016
Agemo Holdings LLC | Florida | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	3 years
Agemo Holdings LLC | Florida | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Agemo Holdings LLC | Georgia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 3,833
Initial Cost to Company Buildings and Improvements	10,847
Cost Capitalized Subsequent to Acquisition Improvements	3,949
Gross Amount at Which Carried at Close of Period Land	3,833
Gross Amount at Which Carried at Close of Period Buildings and Improvements	14,796
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	18,629
Accumulated Depreciation	$ 11,321
Date Of Construction	1964 - 1970
Date Acquired	2007
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Agemo Holdings LLC | Kentucky
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 12,893
Initial Cost to Company Buildings and Improvements	79,825
Cost Capitalized Subsequent to Acquisition Improvements	3,422
Gross Amount at Which Carried at Close of Period Land	12,893
Gross Amount at Which Carried at Close of Period Buildings and Improvements	83,247
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	96,140
Accumulated Depreciation	$ 30,560
Date Of Construction	1964 - 1980
Date Acquired	1999 - 2016
Agemo Holdings LLC | Kentucky | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Agemo Holdings LLC | Kentucky | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Agemo Holdings LLC | Maryland
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,480
Initial Cost to Company Buildings and Improvements	19,663
Cost Capitalized Subsequent to Acquisition Improvements	1,183
Gross Amount at Which Carried at Close of Period Land	1,480
Gross Amount at Which Carried at Close of Period Buildings and Improvements	20,846
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	22,326
Accumulated Depreciation	$ 9,922
Date Of Construction	1959 - 1977
Date Acquired	2010
Agemo Holdings LLC | Maryland | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	29 years
Agemo Holdings LLC | Maryland | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Agemo Holdings LLC | Tennessee
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 7,664
Initial Cost to Company Buildings and Improvements	179,849
Gross Amount at Which Carried at Close of Period Land	7,664
Gross Amount at Which Carried at Close of Period Buildings and Improvements	179,849
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	187,513
Accumulated Depreciation	$ 36,829
Date Of Construction	1966 - 2016
Date Acquired	2014 - 2016
Agemo Holdings LLC | Tennessee | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Agemo Holdings LLC | Tennessee | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Communicare Health Services, Inc
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 34,367
Initial Cost to Company Buildings and Improvements	344,900
Cost Capitalized Subsequent to Acquisition Improvements	34,658
Cost Capitalized Subsequent to Acquisition Carrying Cost	345
Cost Capitalized Subsequent to Acquisition Other	3,431
Gross Amount at Which Carried at Close of Period Land	34,367
Gross Amount at Which Carried at Close of Period Buildings and Improvements	383,334
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	417,701
Accumulated Depreciation	89,805
Communicare Health Services, Inc | Ohio
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	1,829
Initial Cost to Company Buildings and Improvements	17,878
Cost Capitalized Subsequent to Acquisition Improvements	16,230
Cost Capitalized Subsequent to Acquisition Carrying Cost	345
Cost Capitalized Subsequent to Acquisition Other	(2,662)
Gross Amount at Which Carried at Close of Period Land	1,829
Gross Amount at Which Carried at Close of Period Buildings and Improvements	31,791
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	33,620
Accumulated Depreciation	$ 4,158
Date Of Construction	1979 - 2020
Date Acquired	2005 - 2018
Communicare Health Services, Inc | Ohio | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Communicare Health Services, Inc | Ohio | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Communicare Health Services, Inc | Maryland
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 7,190
Initial Cost to Company Buildings and Improvements	74,029
Cost Capitalized Subsequent to Acquisition Improvements	4,803
Gross Amount at Which Carried at Close of Period Land	7,190
Gross Amount at Which Carried at Close of Period Buildings and Improvements	78,832
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	86,022
Accumulated Depreciation	$ 27,810
Date Of Construction	1921 - 1985
Date Acquired	2010 - 2011
Communicare Health Services, Inc | Maryland | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Communicare Health Services, Inc | Maryland | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Communicare Health Services, Inc | Pennsylvania
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,753
Initial Cost to Company Buildings and Improvements	18,533
Cost Capitalized Subsequent to Acquisition Improvements	11,299
Gross Amount at Which Carried at Close of Period Land	1,753
Gross Amount at Which Carried at Close of Period Buildings and Improvements	29,832
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	31,585
Accumulated Depreciation	$ 16,628
Date Of Construction	1950 - 1964
Date Acquired	2005
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Communicare Health Services, Inc | Virginia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 2,408
Initial Cost to Company Buildings and Improvements	10,757
Cost Capitalized Subsequent to Acquisition Improvements	1,254
Gross Amount at Which Carried at Close of Period Land	2,408
Gross Amount at Which Carried at Close of Period Buildings and Improvements	12,011
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	14,419
Accumulated Depreciation	$ 1,674
Date Of Construction	1979
Date Acquired	2018
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Communicare Health Services, Inc | Indiana
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 20,737
Initial Cost to Company Buildings and Improvements	208,944
Cost Capitalized Subsequent to Acquisition Improvements	888
Cost Capitalized Subsequent to Acquisition Other	6,093
Gross Amount at Which Carried at Close of Period Land	20,737
Gross Amount at Which Carried at Close of Period Buildings and Improvements	215,925
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	236,662
Accumulated Depreciation	$ 35,039
Date Of Construction	1963 - 2015
Date Acquired	2013 - 2020
Communicare Health Services, Inc | Indiana | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Communicare Health Services, Inc | Indiana | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Communicare Health Services, Inc | West Virginia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 450
Initial Cost to Company Buildings and Improvements	14,759
Cost Capitalized Subsequent to Acquisition Improvements	184
Gross Amount at Which Carried at Close of Period Land	450
Gross Amount at Which Carried at Close of Period Buildings and Improvements	14,943
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	15,393
Accumulated Depreciation	$ 4,496
Date Of Construction	1963
Date Acquired	2011
Life on Which Depreciation in Latest Income Statements is Computed	35 years
Other
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 516,493
Initial Cost to Company Buildings and Improvements	4,868,755
Cost Capitalized Subsequent to Acquisition Improvements	187,460
Cost Capitalized Subsequent to Acquisition Carrying Cost	573
Cost Capitalized Subsequent to Acquisition Other	(144,521)
Gross Amount at Which Carried at Close of Period Land	513,094
Gross Amount at Which Carried at Close of Period Buildings and Improvements	4,915,666
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	5,428,760
Accumulated Depreciation	1,482,805
Other | Alabama
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	1,817
Initial Cost to Company Buildings and Improvements	33,356
Cost Capitalized Subsequent to Acquisition Improvements	12,916
Gross Amount at Which Carried at Close of Period Land	1,817
Gross Amount at Which Carried at Close of Period Buildings and Improvements	46,272
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	48,089
Accumulated Depreciation	$ 38,527
Date Of Construction	1960 - 1982
Date Acquired	1992 - 1997
Other | Alabama | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	31 years
Other | Alabama | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Massachusetts
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 4,580
Initial Cost to Company Buildings and Improvements	29,444
Cost Capitalized Subsequent to Acquisition Improvements	1,784
Gross Amount at Which Carried at Close of Period Land	4,580
Gross Amount at Which Carried at Close of Period Buildings and Improvements	31,228
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	35,808
Accumulated Depreciation	$ 20,820
Date Of Construction	1964 - 1992
Date Acquired	1997 - 2010
Other | Massachusetts | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Massachusetts | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Ohio
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 23,010
Initial Cost to Company Buildings and Improvements	287,213
Cost Capitalized Subsequent to Acquisition Improvements	4,362
Gross Amount at Which Carried at Close of Period Land	23,010
Gross Amount at Which Carried at Close of Period Buildings and Improvements	291,575
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	314,585
Accumulated Depreciation	$ 71,909
Date Of Construction	1920 - 2007
Date Acquired	1994 - 2020
Other | Ohio | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Ohio | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | Florida
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 53,683
Initial Cost to Company Buildings and Improvements	527,086
Cost Capitalized Subsequent to Acquisition Improvements	13,016
Cost Capitalized Subsequent to Acquisition Other	(12,968)
Gross Amount at Which Carried at Close of Period Land	52,743
Gross Amount at Which Carried at Close of Period Buildings and Improvements	528,074
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	580,817
Accumulated Depreciation	$ 195,254
Date Of Construction	1933 - 2019
Date Acquired	1994 - 2017
Other | Florida | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	2 years
Other | Florida | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	40 years
Other | Georgia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 3,740
Initial Cost to Company Buildings and Improvements	47,689
Cost Capitalized Subsequent to Acquisition Improvements	769
Gross Amount at Which Carried at Close of Period Land	3,740
Gross Amount at Which Carried at Close of Period Buildings and Improvements	48,458
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	52,198
Accumulated Depreciation	$ 12,080
Date Of Construction	1967 - 1997
Date Acquired	1998 - 2016
Other | Georgia | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Other | Georgia | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	40 years
Other | Kentucky
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 3,193
Initial Cost to Company Buildings and Improvements	55,267
Cost Capitalized Subsequent to Acquisition Improvements	3,502
Gross Amount at Which Carried at Close of Period Land	3,193
Gross Amount at Which Carried at Close of Period Buildings and Improvements	58,769
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	61,962
Accumulated Depreciation	$ 14,809
Date Of Construction	1969 - 2002
Date Acquired	2014
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Tennessee
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 5,883
Initial Cost to Company Buildings and Improvements	99,535
Cost Capitalized Subsequent to Acquisition Improvements	5,897
Gross Amount at Which Carried at Close of Period Land	5,883
Gross Amount at Which Carried at Close of Period Buildings and Improvements	105,432
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	111,315
Accumulated Depreciation	$ 54,375
Date Of Construction	1974 - 2018
Date Acquired	1992 - 2017
Other | Tennessee | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Tennessee | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	31 years
Other | North Carolina
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 6,286
Initial Cost to Company Buildings and Improvements	89,383
Cost Capitalized Subsequent to Acquisition Improvements	4,580
Gross Amount at Which Carried at Close of Period Land	6,286
Gross Amount at Which Carried at Close of Period Buildings and Improvements	93,963
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	100,249
Accumulated Depreciation	$ 36,305
Date Of Construction	1927 - 1992
Date Acquired	1994 - 2017
Other | North Carolina | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Other | North Carolina | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Pennsylvania
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 14,762
Initial Cost to Company Buildings and Improvements	209,887
Cost Capitalized Subsequent to Acquisition Improvements	366
Cost Capitalized Subsequent to Acquisition Other	(5)
Gross Amount at Which Carried at Close of Period Land	14,756
Gross Amount at Which Carried at Close of Period Buildings and Improvements	210,254
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	225,010
Accumulated Depreciation	$ 76,097
Date Of Construction	1942 - 2012
Date Acquired	2004 - 2018
Other | Pennsylvania | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Pennsylvania | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | Virginia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 9,321
Initial Cost to Company Buildings and Improvements	124,901
Cost Capitalized Subsequent to Acquisition Improvements	179
Cost Capitalized Subsequent to Acquisition Other	(174)
Gross Amount at Which Carried at Close of Period Land	9,147
Gross Amount at Which Carried at Close of Period Buildings and Improvements	125,080
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	134,227
Accumulated Depreciation	$ 24,399
Date Of Construction	1979 - 2007
Date Acquired	2010 - 2017
Other | Virginia | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Other | Virginia | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	40 years
Other | Indiana
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 27,792
Initial Cost to Company Buildings and Improvements	376,542
Cost Capitalized Subsequent to Acquisition Improvements	435
Cost Capitalized Subsequent to Acquisition Other	(1,841)
Gross Amount at Which Carried at Close of Period Land	27,771
Gross Amount at Which Carried at Close of Period Buildings and Improvements	375,157
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	402,928
Accumulated Depreciation	$ 123,502
Date Of Construction	1942 - 2008
Date Acquired	1992 - 2018
Other | Indiana | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Indiana | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	40 years
Other | West Virginia
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,523
Initial Cost to Company Buildings and Improvements	52,187
Cost Capitalized Subsequent to Acquisition Improvements	6,878
Gross Amount at Which Carried at Close of Period Land	1,523
Gross Amount at Which Carried at Close of Period Buildings and Improvements	59,065
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	60,588
Accumulated Depreciation	$ 38,718
Date Of Construction	1961 - 1996
Date Acquired	1994 - 2008
Other | West Virginia | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | West Virginia | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | Michigan
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,158
Initial Cost to Company Buildings and Improvements	48,179
Cost Capitalized Subsequent to Acquisition Improvements	166
Gross Amount at Which Carried at Close of Period Land	1,158
Gross Amount at Which Carried at Close of Period Buildings and Improvements	48,345
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	49,503
Accumulated Depreciation	$ 13,004
Date Of Construction	1964 - 1997
Date Acquired	2005 - 2014
Other | Michigan | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Michigan | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Arizona
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 10,737
Initial Cost to Company Buildings and Improvements	86,537
Cost Capitalized Subsequent to Acquisition Improvements	488
Gross Amount at Which Carried at Close of Period Land	10,737
Gross Amount at Which Carried at Close of Period Buildings and Improvements	87,025
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	97,762
Accumulated Depreciation	$ 22,325
Date Of Construction	1949 - 1999
Date Acquired	2005 - 2014
Other | Arizona | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Arizona | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	40 years
Other | Arkansas
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 2,893
Initial Cost to Company Buildings and Improvements	59,094
Cost Capitalized Subsequent to Acquisition Improvements	8,516
Cost Capitalized Subsequent to Acquisition Other	(36)
Gross Amount at Which Carried at Close of Period Land	2,893
Gross Amount at Which Carried at Close of Period Buildings and Improvements	67,574
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	70,467
Accumulated Depreciation	$ 38,280
Date Of Construction	1967 - 1988
Date Acquired	1992 - 2014
Other | Arkansas | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Arkansas | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	31 years
Other | California
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 86,015
Initial Cost to Company Buildings and Improvements	460,611
Cost Capitalized Subsequent to Acquisition Improvements	5,095
Cost Capitalized Subsequent to Acquisition Other	(599)
Gross Amount at Which Carried at Close of Period Land	86,015
Gross Amount at Which Carried at Close of Period Buildings and Improvements	465,107
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	551,122
Accumulated Depreciation	$ 107,122
Date Of Construction	1938 - 2013
Date Acquired	1997 - 2015
Other | California | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	5 years
Other | California | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	35 years
Other | Colorado
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 11,279
Initial Cost to Company Buildings and Improvements	88,830
Cost Capitalized Subsequent to Acquisition Improvements	7,791
Gross Amount at Which Carried at Close of Period Land	11,279
Gross Amount at Which Carried at Close of Period Buildings and Improvements	96,621
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	107,900
Accumulated Depreciation	$ 44,818
Date Of Construction	1925 - 1975
Date Acquired	1998 - 2016
Other | Colorado | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Colorado | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | Idaho
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 6,205
Initial Cost to Company Buildings and Improvements	61,203
Cost Capitalized Subsequent to Acquisition Improvements	1,763
Cost Capitalized Subsequent to Acquisition Other	(13,922)
Gross Amount at Which Carried at Close of Period Land	6,205
Gross Amount at Which Carried at Close of Period Buildings and Improvements	49,044
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	55,249
Accumulated Depreciation	$ 18,181
Date Of Construction	1920 - 2008
Date Acquired	1997 - 2014
Other | Idaho | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Idaho | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | New Hampshire
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,782
Initial Cost to Company Buildings and Improvements	19,837
Cost Capitalized Subsequent to Acquisition Improvements	1,463
Gross Amount at Which Carried at Close of Period Land	1,782
Gross Amount at Which Carried at Close of Period Buildings and Improvements	21,300
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	23,082
Accumulated Depreciation	$ 10,823
Date Of Construction	1963 - 1999
Date Acquired	1998 - 2006
Other | New Hampshire | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | New Hampshire | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | New Mexico
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 6,330
Initial Cost to Company Buildings and Improvements	45,285
Cost Capitalized Subsequent to Acquisition Improvements	1,612
Gross Amount at Which Carried at Close of Period Land	6,330
Gross Amount at Which Carried at Close of Period Buildings and Improvements	46,897
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	53,227
Accumulated Depreciation	$ 9,872
Date Of Construction	1960 - 1985
Date Acquired	2005
Other | New Mexico | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	10 years
Other | New Mexico | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Connecticut
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,390
Initial Cost to Company Buildings and Improvements	6,196
Gross Amount at Which Carried at Close of Period Land	1,390
Gross Amount at Which Carried at Close of Period Buildings and Improvements	6,196
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	7,586
Accumulated Depreciation	$ 688
Date Of Construction	1991
Date Acquired	2017
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Iowa
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 2,343
Initial Cost to Company Buildings and Improvements	59,310
Gross Amount at Which Carried at Close of Period Land	2,343
Gross Amount at Which Carried at Close of Period Buildings and Improvements	59,310
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	61,653
Accumulated Depreciation	$ 16,245
Date Of Construction	1961 - 1998
Date Acquired	2010 - 2014
Other | Iowa | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	23 years
Other | Iowa | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Kansas
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 4,153
Initial Cost to Company Buildings and Improvements	43,482
Cost Capitalized Subsequent to Acquisition Improvements	14,218
Cost Capitalized Subsequent to Acquisition Other	(4,850)
Gross Amount at Which Carried at Close of Period Land	4,092
Gross Amount at Which Carried at Close of Period Buildings and Improvements	52,911
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	57,003
Accumulated Depreciation	$ 17,999
Date Of Construction	1957 - 1977
Date Acquired	2005 - 2011
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Louisiana
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 4,925
Initial Cost to Company Buildings and Improvements	52,869
Cost Capitalized Subsequent to Acquisition Improvements	22,245
Cost Capitalized Subsequent to Acquisition Carrying Cost	448
Cost Capitalized Subsequent to Acquisition Other	(929)
Gross Amount at Which Carried at Close of Period Land	4,925
Gross Amount at Which Carried at Close of Period Buildings and Improvements	74,633
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	79,558
Accumulated Depreciation	$ 25,795
Date Of Construction	1957 - 2020
Date Acquired	1997 - 2018
Other | Louisiana | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	22 years
Other | Louisiana | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | Minnesota
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 10,502
Initial Cost to Company Buildings and Improvements	52,585
Cost Capitalized Subsequent to Acquisition Improvements	5,971
Gross Amount at Which Carried at Close of Period Land	10,502
Gross Amount at Which Carried at Close of Period Buildings and Improvements	58,556
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	69,058
Accumulated Depreciation	$ 15,029
Date Of Construction	1966 - 1983
Date Acquired	2014
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Mississippi
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 7,925
Initial Cost to Company Buildings and Improvements	177,825
Cost Capitalized Subsequent to Acquisition Improvements	827
Gross Amount at Which Carried at Close of Period Land	7,925
Gross Amount at Which Carried at Close of Period Buildings and Improvements	178,652
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	186,577
Accumulated Depreciation	$ 37,677
Date Of Construction	1962 - 2008
Date Acquired	2009 - 2013
Other | Mississippi | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Mississippi | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	40 years
Other | Missouri
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 6,268
Initial Cost to Company Buildings and Improvements	109,731
Cost Capitalized Subsequent to Acquisition Improvements	693
Cost Capitalized Subsequent to Acquisition Other	(30,351)
Gross Amount at Which Carried at Close of Period Land	6,259
Gross Amount at Which Carried at Close of Period Buildings and Improvements	80,082
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	86,341
Accumulated Depreciation	$ 18,417
Date Of Construction	1955 - 1994
Date Acquired	1999 - 2019
Other | Missouri | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Missouri | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Montana
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 1,319
Initial Cost to Company Buildings and Improvements	11,698
Gross Amount at Which Carried at Close of Period Land	1,319
Gross Amount at Which Carried at Close of Period Buildings and Improvements	11,698
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	13,017
Accumulated Depreciation	$ 2,662
Date Of Construction	1963 - 1971
Date Acquired	2005
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Nebraska
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 750
Initial Cost to Company Buildings and Improvements	14,892
Gross Amount at Which Carried at Close of Period Land	750
Gross Amount at Which Carried at Close of Period Buildings and Improvements	14,892
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	15,642
Accumulated Depreciation	$ 4,239
Date Of Construction	1966 - 1969
Date Acquired	2012 - 2015
Other | Nebraska | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Nebraska | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Nevada
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 8,811
Initial Cost to Company Buildings and Improvements	92,797
Cost Capitalized Subsequent to Acquisition Improvements	8,350
Gross Amount at Which Carried at Close of Period Land	8,811
Gross Amount at Which Carried at Close of Period Buildings and Improvements	101,147
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	109,958
Accumulated Depreciation	$ 24,323
Date Of Construction	1972 - 2012
Date Acquired	2009 - 2017
Other | Nevada | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Nevada | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Oklahoma
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 4,148
Initial Cost to Company Buildings and Improvements	29,749
Gross Amount at Which Carried at Close of Period Land	4,148
Gross Amount at Which Carried at Close of Period Buildings and Improvements	29,749
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	33,897
Accumulated Depreciation	$ 13,145
Date Of Construction	1965 - 2013
Date Acquired	2010 - 2013
Other | Oklahoma | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Oklahoma | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Oregon
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 3,641
Initial Cost to Company Buildings and Improvements	45,218
Cost Capitalized Subsequent to Acquisition Improvements	4,009
Gross Amount at Which Carried at Close of Period Land	3,641
Gross Amount at Which Carried at Close of Period Buildings and Improvements	49,227
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	52,868
Accumulated Depreciation	$ 11,967
Date Of Construction	1959 - 2004
Date Acquired	2005 - 2014
Other | Oregon | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | Oregon | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Rhode Island
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 3,299
Initial Cost to Company Buildings and Improvements	23,487
Cost Capitalized Subsequent to Acquisition Improvements	3,804
Gross Amount at Which Carried at Close of Period Land	3,299
Gross Amount at Which Carried at Close of Period Buildings and Improvements	27,291
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	30,590
Accumulated Depreciation	$ 14,327
Date Of Construction	1965 - 1981
Date Acquired	2006
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | South Carolina
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 8,480
Initial Cost to Company Buildings and Improvements	76,912
Cost Capitalized Subsequent to Acquisition Improvements	2,860
Gross Amount at Which Carried at Close of Period Land	8,480
Gross Amount at Which Carried at Close of Period Buildings and Improvements	79,772
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	88,252
Accumulated Depreciation	$ 19,512
Date Of Construction	1959 - 2007
Date Acquired	2014 - 2016
Other | South Carolina | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | South Carolina | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Texas
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 66,436
Initial Cost to Company Buildings and Improvements	758,981
Cost Capitalized Subsequent to Acquisition Improvements	28,684
Cost Capitalized Subsequent to Acquisition Carrying Cost	125
Cost Capitalized Subsequent to Acquisition Other	(62,302)
Gross Amount at Which Carried at Close of Period Land	65,434
Gross Amount at Which Carried at Close of Period Buildings and Improvements	726,490
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	791,924
Accumulated Depreciation	$ 180,376
Date Of Construction	1949 - 2019
Date Acquired	1997 - 2019
Other | Texas | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Texas | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	40 years
Other | United Kingdom
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 87,678
Initial Cost to Company Buildings and Improvements	362,316
Cost Capitalized Subsequent to Acquisition Improvements	8,729
Cost Capitalized Subsequent to Acquisition Other	(16,476)
Gross Amount at Which Carried at Close of Period Land	86,559
Gross Amount at Which Carried at Close of Period Buildings and Improvements	355,688
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	442,247
Accumulated Depreciation	$ 61,208
Date Of Construction	1700 - 2012
Date Acquired	2015 - 2020
Other | United Kingdom | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	25 years
Other | United Kingdom | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	30 years
Other | Vermont
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 318
Initial Cost to Company Buildings and Improvements	6,005
Cost Capitalized Subsequent to Acquisition Improvements	602
Gross Amount at Which Carried at Close of Period Land	318
Gross Amount at Which Carried at Close of Period Buildings and Improvements	6,607
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	6,925
Accumulated Depreciation	$ 3,103
Date Of Construction	1971
Date Acquired	2004
Life on Which Depreciation in Latest Income Statements is Computed	39 years
Other | Washington
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 11,719
Initial Cost to Company Buildings and Improvements	138,055
Cost Capitalized Subsequent to Acquisition Improvements	2,736
Cost Capitalized Subsequent to Acquisition Other	(68)
Gross Amount at Which Carried at Close of Period Land	11,652
Gross Amount at Which Carried at Close of Period Buildings and Improvements	140,790
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	152,442
Accumulated Depreciation	$ 42,557
Date Of Construction	1930 - 2004
Date Acquired	1995 - 2015
Other | Washington | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	20 years
Other | Washington | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on Which Depreciation in Latest Income Statements is Computed	33 years
Other | Wisconsin
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost to Company Land	$ 399
Initial Cost to Company Buildings and Improvements	4,581
Cost Capitalized Subsequent to Acquisition Improvements	2,154
Gross Amount at Which Carried at Close of Period Land	399
Gross Amount at Which Carried at Close of Period Buildings and Improvements	6,735
Gross Amount at Which Carried at Close of Period Land and Buildings and Improvements Total	7,134
Accumulated Depreciation	$ 2,316
Date Of Construction	1974
Date Acquired	2005
Life on Which Depreciation in Latest Income Statements is Computed	33 years

SCHEDULE III - REAL ESTATE AN_3

SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Narrative) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at beginning of period	$ 8,985,994	$ 7,746,410	$ 7,655,960
Acquisitions through foreclosure		143,753
Acquisitions	125,060	1,201,924	294,202
Impairment	(69,913)	(48,939)	(35,014)
Improvements	88,130	170,997	187,408
Disposals/other	(427,117)	(228,151)	(356,146)
Balance at close of period	8,702,154	8,985,994	7,746,410
Reconciliation of real estate accumulated depreciation
Balance at beginning of period	1,787,425	1,562,619	1,376,828
Provisions for depreciation	329,508	301,177	280,871
Dispositions/other	(120,019)	(76,371)	(95,080)
Balance at close of period	$ 1,996,914	$ 1,787,425	$ 1,562,619

SCHEDULE III - REAL ESTATE AN_4

SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Narrative 1) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Real Estate and Accumulated Depreciation [Line Items]
Secured Debt	$ 369,524	$ 389,680
Noncash consideration exchanged	19,100	750,600	$ 158,600
Reported amount of real estate in excess of the tax basis	200,000
Secured Debt [Member]
Real Estate and Accumulated Depreciation [Line Items]
Secured Debt	369,524	389,680
Hud Mortgage Assumed [Member] | Secured Debt [Member]
Real Estate and Accumulated Depreciation [Line Items]
Secured Debt	$ 367,249	$ 387,405

SCHEDULE IV - MORTGAGE LOANS _2

SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Mortgage Loans on Real Estate [Line Items]
Face Amount of Mortgages	$ 1,010,113,000
Carrying Amount of Mortgages	885,313,000	$ 773,563,000	$ 710,858,000	$ 671,232,000
Carrying Amount of Loans Subject to Delinquent Principal or Interest	1,472,000
Allowance for credit loss on mortgage loans	$ (28,340,000)
Michigan | Group 1
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.90%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest plus approximately $152.0 of principal payable monthly with $352,454 due at maturity
Prior Liens	None
Face Amount of Mortgages	$ 415,000,000
Carrying Amount of Mortgages	374,607,000
Mortgage loans on real estate periodic payment, amount	152,000
Mortgage loans on real estate, periodic payment terms, balloon payment to be received	$ 352,454,000
Michigan | Group 2
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.95%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest plus approximately $11.0 of principal payable monthly with $42,341 due at maturity
Prior Liens	None
Face Amount of Mortgages	$ 44,200,000
Carrying Amount of Mortgages	43,936,000
Mortgage loans on real estate periodic payment, amount	11,000
Mortgage loans on real estate, periodic payment terms, balloon payment to be received	$ 42,341,000
Michigan | Group 3
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.18%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest plus approximately $3.0 of principal payable monthly with $10,466 due at maturity
Prior Liens	None
Face Amount of Mortgages	$ 11,000,000
Carrying Amount of Mortgages	10,900,000
Mortgage loans on real estate periodic payment, amount	3,000
Mortgage loans on real estate, periodic payment terms, balloon payment to be received	$ 10,466,000
Michigan | Group 4
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.20%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 14,045,000
Carrying Amount of Mortgages	$ 14,045,000
Michigan | Group 5
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.18%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest plus approximately $3.0 of principal payable monthly with $17,613 due at maturity
Prior Liens	None
Face Amount of Mortgages	$ 18,147,000
Carrying Amount of Mortgages	18,115,000
Mortgage loans on real estate periodic payment, amount	3,000
Mortgage loans on real estate, periodic payment terms, balloon payment to be received	$ 17,613,000
Michigan | Group 6
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.31%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest plus approximately $13.0 of principal payable monthly with $81,302 due at maturity
Prior Liens	None
Face Amount of Mortgages	$ 83,454,000
Carrying Amount of Mortgages	83,368,000
Mortgage loans on real estate periodic payment, amount	13,000
Mortgage loans on real estate, periodic payment terms, balloon payment to be received	$ 81,302,000
Michigan | Group 7
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.23%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 465,000
Carrying Amount of Mortgages	$ 455,000
Michigan | Group 8
Mortgage Loans on Real Estate [Line Items]
Interest Rate	11.90%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 4,220,000
Carrying Amount of Mortgages	$ 4,220,000
Michigan | Group 9
Mortgage Loans on Real Estate [Line Items]
Interest Rate	11.60%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 4,120,000
Carrying Amount of Mortgages	$ 4,112,000
Michigan | Group 10
Mortgage Loans on Real Estate [Line Items]
Interest Rate	11.31%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 9,645,000
Carrying Amount of Mortgages	$ 9,373,000
Michigan | Group 11
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.49%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 24,175,000
Carrying Amount of Mortgages	$ 23,032,000
Michigan | Group 12
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.95%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 500,000
Carrying Amount of Mortgages	$ 490,000
Michigan | Group 13
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.74%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 5,450,000
Carrying Amount of Mortgages	$ 4,726,000
Michigan | Group 14
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.18%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 2,900,000
Carrying Amount of Mortgages	$ 2,542,000
Michigan | Group 15
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.50%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 200,000
Carrying Amount of Mortgages	$ 187,000
Michigan | Group 16
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.23%
Fixed/Variable	F(2)
Final Maturity Date	2029
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 3,025,000
Carrying Amount of Mortgages	$ 3,025,000
Michigan | Group 17
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.18%
Fixed/Variable	F(2)
Final Maturity Date	2021
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 17,032,000
Carrying Amount of Mortgages	$ 17,004,000
Maryland
Mortgage Loans on Real Estate [Line Items]
Interest Rate	13.75%
Fixed/Variable	F(2)
Final Maturity Date	2028
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 74,928,000
Carrying Amount of Mortgages	$ 35,964,000
Ohio And Pennsylvania
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.59%
Fixed/Variable	F(2)
Final Maturity Date	2027
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 112,500,000
Carrying Amount of Mortgages	$ 112,500,000
Ohio | Group 1
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.50%
Fixed/Variable	F
Final Maturity Date	2021
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 43,150,000
Carrying Amount of Mortgages	$ 43,150,000
Ohio | Group 2
Mortgage Loans on Real Estate [Line Items]
Interest Rate	8.50%
Fixed/Variable	F(2)
Final Maturity Date	2021
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 14,000,000
Carrying Amount of Mortgages	$ 12,727,000
Idaho
Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.00%
Fixed/Variable	F
Final Maturity Date	2021
Periodic Payment Terms	Interest payable monthly until maturity
Prior Liens	None
Face Amount of Mortgages	$ 19,000,000
Carrying Amount of Mortgages	$ 19,000,000
Texas
Mortgage Loans on Real Estate [Line Items]
Interest Rate	7.85%
Fixed/Variable	F
Final Maturity Date	2025
Periodic Payment Terms	Interest plus approximately $128.0 of principal payable monthly with $59,749 due at maturity
Prior Liens	None
Face Amount of Mortgages	$ 72,960,000
Carrying Amount of Mortgages	67,012,000
Mortgage loans on real estate periodic payment, amount	128,000
Mortgage loans on real estate, periodic payment terms, balloon payment to be received	$ 59,749,000
Massachusetts
Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.00%
Fixed/Variable	F
Final Maturity Date	2023
Periodic Payment Terms	Interest plus approximately $50.0 of principal payable monthly with $6,078 due at maturity
Prior Liens	None
Face Amount of Mortgages	$ 9,000,000
Carrying Amount of Mortgages	7,691,000
Mortgage loans on real estate periodic payment, amount	50,000
Mortgage loans on real estate, periodic payment terms, balloon payment to be received	$ 6,078,000
Tennessee
Mortgage Loans on Real Estate [Line Items]
Interest Rate	8.35%
Fixed/Variable	F
Final Maturity Date	2015
Periodic Payment Terms	Past due
Prior Liens	None
Face Amount of Mortgages	$ 6,997,000
Carrying Amount of Mortgages	1,472,000
Carrying Amount of Loans Subject to Delinquent Principal or Interest	$ 1,472,000

SCHEDULE IV - MORTGAGE LOANS _3

SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE (Narrative 1) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of period	$ 773,563	$ 710,858	$ 671,232
Additions during period - new mortgage loans or additional fundings	149,957	129,108	65,841
Deductions during period - collection of principal/other	(9,867)	(66,403)	(26,215)
Allowance for credit loss on mortgage loans	(28,340)
Balance at close of period	885,313	773,563	710,858
Mortgage loans on real estate non cash interest paid-in kind	600	300	500
Mortgage loans on real estate non cash deed-in-lieu of foreclosure		11,900
Non-cash placement of mortgage capital	$ 86,936	$ 0	0
Amortization of premium			$ 100

SCHEDULE IV - MORTGAGE LOANS _4

SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE (Narrative 2) (Detail) $ in Millions	Dec. 31, 2020USD ($)
Mortgage Loans On Real Estate [Abstract]
Aggregate cost for federal income tax purposes	$ 919.2
Mortgages included in the schedule which extended during 2020	$ 35.1