Severn Bancorp (SVBI) 10-Q 17 May 21 2021 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	May 13, 2021
Cover [Abstract]
Entity Central Index Key	0000868271
Entity Registrant Name	SEVERN BANCORP INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	0-49731
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	52-1726127
Entity Address, Address Line One	200 Westgate Circle, Suite 200
Entity Address, City or Town	Annapolis
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21401
City Area Code	410
Local Phone Number	260-2000
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	SVBI
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		12,858,339

CONSOLIDATED STATEMENTS OF FINA

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Cash and due from banks	$ 6,248	$ 4,819
Federal funds sold and interest-bearing deposits in other banks	250,847	151,790
Cash and cash equivalents	257,095	156,609
CDs held for investment	3,330	3,580
AFS securities, at fair value	132,698	65,098
HTM securities (fair value of $15,094 and $16,603 at March 31, 2021 and December 31, 2020, respectively)	14,516	15,943
LHFS, at fair value	50,124	36,299
Loans receivable	621,512	642,882
Allowance	(8,135)	(8,670)
Loans, net	613,377	634,212
Real estate acquired through foreclosure	1,010	1,010
Restricted stock investments	970	1,236
Premises and equipment, net	20,653	20,940
Accrued interest receivable	2,439	2,576
Deferred income taxes	882	1,145
BOLI	5,550	5,517
Goodwill	770	1,104
Other assets	9,555	7,284
Total assets	1,112,969	952,553
Deposits:
Noninterest bearing	337,141	245,093
Interest-bearing	626,955	561,363
Total deposits	964,096	806,456
Long-term borrowings	10,000	10,000
Subordinated debentures	20,619	20,619
Accrued expenses and other liabilities	7,181	5,831
Total liabilities	1,001,896	842,906
Stockholders' Equity:
Common stock, $0.01 par value, 20,000,000 shares authorized; 12,856,989 and 12,843,349 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively	129	128
Additional paid-in capital	66,359	66,251
Retained earnings	46,485	43,216
Accumulated other comprehensive (loss) income	(1,900)	52
Total stockholders' equity	111,073	109,647
Total liabilities and stockholders' equity	$ 1,112,969	$ 952,553

CONSOLIDATED STATEMENTS OF FI_2

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION [Abstract]
Fair Value - HTM	$ 15,094	$ 16,603
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	12,856,989	12,843,349
Common stock, shares outstanding (in shares)	12,856,989	12,843,349

CONSOLIDATED STATEMENTS OF INCO

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest income:
Loans	$ 8,244	$ 8,338
Securities	292	219
Other earning assets	73	359
Total interest income	8,609	8,916
Interest expense:
Deposits	784	1,797
Borrowings and subordinated debentures	167	364
Total interest expense	951	2,161
Net interest income	7,658	6,755
(Reversal of) provision for loan losses	(750)	750
Net interest income after (reversal of) provision for loan losses	8,408	6,005
Noninterest income:
Mortgage-banking revenue	4,396	1,634
Real estate commissions	161	310
Real estate management fees		165
Deposit service charges	601	561
Title company revenue	335	238
ATM surcharges	87	62
Income from BOLI	33	37
Other noninterest income	146	18
Total noninterest income	5,759	3,025
Noninterest expense:
Compensation and related expenses	6,222	5,461
Occupancy	471	518
Legal fees		166
Write-downs, losses, and costs of real estate acquired through foreclosure, net of gains	2	74
FDIC insurance premiums	56
Professional fees	151	303
Advertising	198	220
Data processing	462	460
Credit report and appraisal fees	60	67
Licensing and software	240	218
Loss on disposal of premises and equipment	0	76
Internal audit and compliance	133	64
Office expenses, printing, and postage	88	109
Telecommunications	105	105
Merger expenses	238
Other noninterest expense	380	411
Total noninterest expense	8,806	8,252
Net income before income tax provision	5,361	778
Income tax provision	1,450	213
Net income	$ 3,911	$ 565
Net income per common share - basic (in dollars per share)	$ 0.30	$ 0.04
Net income per common share - diluted (in dollars per share)	$ 0.30	$ 0.04

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 3,911	$ 565
Other comprehensive income item:
Unrealized holding (losses) gains on AFS securities arising during the period (net of tax (benefit) expense of $(742) and $56)	(1,956)	149
Realized losses on AFS securities arising during the period (net of tax benefit of $1)	4
Total other comprehensive income	(1,952)	149
Total comprehensive income	$ 1,959	$ 714

CONSOLIDATED STATEMENTS OF CO_2

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Unrealized holding gains on available-for-sale securities arising during the period, income taxes	$ (742)	$ 56
Realized gains, net of tax expense	$ (1)

CONSOLIDATED STATEMENTS OF CHAN

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Gain (Loss)	Total
Balance (in shares) at Dec. 31, 2019	12,810,926
Balance at Dec. 31, 2019	$ 128	$ 65,944	$ 38,560	$ (45)	$ 104,587
Net income	0	0	565	0	565
Stock-based compensation	0	34	0	0	34
Dividends paid on common stock	$ 0	0	(513)	0	$ (513)
Exercise of stock options (in shares)	2,050				2,050
Exercise of stock options	$ 0	14	0	0	$ 14
Other comprehensive income	$ 0	0	0	149	149
Balance (in shares) at Mar. 31, 2020	12,812,976
Balance at Mar. 31, 2020	$ 128	65,992	38,612	104	104,836
Balance (in shares) at Dec. 31, 2020	12,843,349
Balance at Dec. 31, 2020	$ 128	66,251	43,216	52	109,647
Net income	0	0	3,911	0	3,911
Stock-based compensation	0	23	0	0	23
Dividends paid on common stock	$ 0	0	(642)	0	$ (642)
Exercise of stock options (in shares)	13,640				13,640
Exercise of stock options	$ 1	85			$ 86
Other comprehensive income	$ 0	0	0	(1,952)	(1,952)
Balance (in shares) at Mar. 31, 2021	12,856,989
Balance at Mar. 31, 2021	$ 129	$ 66,359	$ 46,485	$ (1,900)	$ 111,073

CONSOLIDATED STATEMENTS OF CH_2

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY [Abstract]
Dividends paid on common stock, per share (in dollars per share)	$ 0.05	$ 0.04

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income	$ 3,911	$ 565
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	389	394
Amortization of deferred loan fees	(875)	(506)
Net amortization (accretion) of premiums and discounts on securities	435	(83)
(Reversal of) provision for loan losses	(750)	750
Write-downs and losses on real estate acquired through foreclosure, net of gains	0	80
Gain on sale of mortgage loans	(4,396)	(1,634)
Loss on disposal of property	0	76
Loss on sale of Hyatt Commercial assets	34	0
Proceeds from sale of LHFS	91,625	33,764
Originations of LHFS	(101,314)	(43,216)
Stock-based compensation	23	34
Increase in cash surrender value of bank-owned life insurance	(33)	(37)
Deferred income taxes	1,004	1
Decrease in accrued interest receivable	137	183
Increase in other assets	(2,304)	(1,160)
Increase in accrued expenses and other liabilities	1,349	1,024
Net cash used in operating activities	(10,765)	(9,765)
Cash flows from investing activities:
Redemption of CDs held for investment	250	0
Loan principal repayments, net of (disbursements)	22,720	10,271
Redemption of restricted stock investments	266	132
Purchases of premises and equipment, net	(102)	(57)
Activity in HTM securities:
Maturities/calls/repayments	1,198	3,202
Activity in AFS securities:
Purchases	(80,454)	(7,852)
Sales	4,451	0
Maturities/calls/repayments	5,504	2,225
Proceeds from sale of Hyatt Commercial	334	0
Proceeds from sales of real estate acquired through foreclosure	0	623
Net cash (used in) provided by investing activities	(45,833)	8,544
Cash flows from financing activities:
Net increase in deposits	157,640	29,163
Common stock dividends	(642)	(513)
Exercise of stock options	86	14
Net cash provided by financing activities	157,084	28,664
Increase in cash and cash equivalents	100,486	27,443
Cash and cash equivalents at beginning of period	156,609	88,193
Cash and cash equivalents at end of period	257,095	115,636
Supplemental Noncash Disclosures:
Interest paid on deposits and borrowed funds	955	2,170
Income taxes paid	0	493
Transfers of mortgage loans held for sale to loan portfolio	$ 260	$ 0

Summary of Significant Accounti

Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Note 1 - Summary of Significant Accounting Policies Basis of Presentation The accounting and reporting policies of the Company conform to GAAP and prevailing practices within the financial services industry for interim financial information and Rule 8-03 of Regulation S-X. Accordingly, they do not include all of the information and notes required for complete financial statements and prevailing practices within the banking industry. In the opinion of management, all adjustments (comprising only of those of a normal recurring nature) necessary for a fair presentation of the results of operations for the interim periods presented have been made. The results of operations for the three months ended March 31, 2021 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2021 or any other interim or future period. Events occurring after the date of the financial statements up to the date the financial statements were available to be issued were considered in the preparation of the consolidated financial statements. These statements should be read in conjunction with the financial statements and accompanying notes included in the Company’s 2020 Annual Report on Form 10-K as filed with the SEC. Principles of Consolidation The unaudited consolidated financial statements include the accounts of Severn Bancorp, Inc., and its wholly-owned subsidiaries, Mid-Maryland Title Company, Inc., SBI Mortgage Company, and Severn Savings Bank, FSB, along with the Bank’s subsidiaries, Homeowners Title and Escrow Corporation, Severn Financial Services Corporation, SSB Realty Holdings, LLC, SSB Realty Holdings II, LLC, and HS West, LLC. Also included are the accounts of SBI Mortgage Company’s subsidiary, Crownsville Development Corporation, and its subsidiary, Crownsville Holdings I, LLC. All intercompany accounts and transactions have been eliminated in the accompanying consolidated financial statements. Use of Estimates The preparation of the financial statements requires management to exercise significant judgment or discretion or make significant assumptions and estimates based on the information available that have, or could have, a material impact on the carrying value of certain assets or on income. These estimates and assumptions affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the periods presented. The accounting policies we view as critical are those relating to the Allowance, the valuation of real estate acquired through foreclosure, and the valuation of deferred tax assets and liabilities. Cash Flows For reporting purposes, assets grouped in the Consolidated Statements of Financial Condition under the captions “Cash and due from banks” and “Federal funds sold and interest-bearing deposits in other banks” are considered cash or cash equivalents. For financial statement purposes, these assets are carried at cost. Federal funds sold and interest-bearing deposits in other banks generally have overnight maturities and are in excess of amounts that would be recoverable under FDIC insurance. Reclassifications Certain reclassifications have been made to amounts previously reported to conform to current period presentation. 2020 Correction of Prior Period Immaterial Error As disclosed in the Company’s 2020 Annual Report on Form 10-K, during 2020, the Company corrected an immaterial accounting error related to $885,000 of DTAs related to NOLs recorded in years prior to 2020 by the holding company and which accumulated over the span of many years. As the holding company has not previously generated taxable income and continues to generate no taxable income, it has no ability to utilize the NOLs. To correct this immaterial accounting error, the Company recorded an adjustment to reduce 2019's opening retained earnings in the amount of $793,000 and additional tax expense of $92,000 (the amounts deemed applicable for 2019) for the year ended December 31, 2019. These adjustments then affected the beginning balances of March 31, 2020 retained earnings and total stockholders’ equity, both of which amounts are shown in this Quarterly Report on Form 10-Q reduced by $885,000 from the amounts previously stated. COVID-19 Risks and Uncertainties On March 11, 2020, the World Health Organization declared the outbreak of COVID-19 as a global pandemic, which continues to spread throughout the U.S. and around the world. The declaration of a global pandemic indicates that almost all public commerce and related business activities must be, to varying degrees, curtailed with the goal of decreasing the rate of new infections. The outbreak of COVID-19 has adversely impacted and could continue to adversely impact a broad range of industries in which the Company’s customers operate and impair their ability to fulfill their financial obligations to the Company. On March 3, 2020, the Federal Open Market Committee reduced the target federal funds rate by 50 basis points to a target range of 1.00% to 1.25%. This rate was further reduced to a target range of 0% to 0.25% on March 16, 2020. These reductions in interest rates and other effects of the COVID-19 outbreak has affected and may continue to adversely affect the Company’s financial condition and results of operations. As a result of the spread of COVID-19, economic uncertainties have arisen which could negatively impact net interest income, noninterest income, credit quality, the Allowance, and the provision for loan losses. Additionally, there could be a potential for goodwill impairment. Other financial impact could occur though such potential impact is unknown at this time. On May 12, 2021, the Governor of Maryland lifted all remaining COVID-19 related restrictions, with the exception of wearing masks indoors, effective May 15, 2021. On May 14, 2021, the Governor also lifted the mask mandate effective May 15, 2021. Asset Sale On January 1, 2021, we sold the majority of the assets of our real estate company, Hyatt Commercial, with the exception of cash and certain fixed assets. At the time of the sale, Hyatt Commercial had $1.6 million in assets, $1.1 million of which was in cash that stayed with the Company. The remainder of the net assets were sold for $334,000 and we realized a loss of approximately $34,000. Proposed Merger with Shore Bancshares, Inc. ​ On March 3, 2021, the Company and Shore entered into an agreement and plan of merger that provides that the Company will merge with and into Shore, with Shore as the surviving corporation (the “Merger”). Following the Merger, the Bank will merge with and into Shore’s wholly-owned bank subsidiary, Shore United Bank, with Shore United Bank as the surviving bank (the “Bank Merger”). At the effective time of the Merger, each outstanding share of the Company’s common stock will be converted into the right to receive (i) 0.6207 shares of Shore common stock and (ii) $1.59 in cash, together with cash in lieu of fractional shares, if any. The merger consideration is 85% stock and 15% cash. ​ The completion of the Merger and the Bank Merger are subject to customary closing conditions, including approval by the Company’s stockholders, Shore’s stockholders and the receipt of regulatory approvals or waivers from the OCC and the Board of Governors of the Federal Reserve System. Prior to the completion of the Bank Merger, Shore United Bank must obtain the approval of the OCC to convert to a national banking association. The Merger is expected to be completed in the third quarter of 2021. ​ Recent Accounting Pronouncements ​ Pronouncements Adopted In December 2019, FASB issued ASU No. 2019-12, Simplifying the Accounting for Taxes In January 2020, FASB issued ASU No. 2020-01, , which clarifies the interaction between the three Topics. The standard was effective for fiscal years beginning after December 15, 2020. The adoption of ASU No. 2020-01 did not have a material impact on our financial position, results of operations, or cash flows. Pronouncements Issued In September 2016, FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses Financial Instruments – Credit Losses (Topic 326): Targeted Transition Relief Financial Instruments - Credit Losses - Measured at Amortized Costs. Financial Instruments - Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842): Effective Dates Financial Instruments - Credit Losses We have contracted with a third party vendor to assist in the transition to CECL. The Bank has purchased the third party vendor’s CECL software and has separately contracted with their advisory services group to help with the installation and transition. As the Bank has been using other software of this specific vendor, they have access to the Bank’s historical data. As the third party vendor has many financial institution clients, they will be able to provide peer group data to the extent the Bank’s data is not sufficient to make the many determinations required under CECL. We are continuing the process of determining appropriate loan pools and economic factors to be used for CECL calculations. Although the implementation of CECL has been delayed, the Bank is continuing with the implementation at a pace to ensure that we will be in position to completely transition to CECL by the required date. While we are still in the process of evaluating the impact of the amended guidance on our Consolidated Financial Statements, it is quite possible that the Allowance will increase upon adoption given that the Allowance will be required to cover the full remaining expected life of the portfolio upon adoption, rather than the incurred loss model under current GAAP. The extent of this increase is still being evaluated and will depend on economic conditions and the composition of our loan portfolio at the time of adoption. In November 2019, FASB issued ASU 2019-11, Codification Improvements to Topic 326, Financial Instruments - Credit Losses. ASU 2019-11 provides transition relief when adjusting the effective interest rate for TDRs that exist as of the adoption date, extends the disclosure relief in ASU 2019-04 to disclose accrued interest receivable balances separately from the amortized cost basis to additional disclosures involving amortized cost basis, and provides clarification regarding application of the guidance in paragraph 326-20-35-6 for financial assets secured by collateral maintenance provisions that provide a practical expedient to measure the estimate of expected credit losses by comparing the amortized cost basis of a financial asset and the fair value of collateral securing the financial asset as of the reporting date. The effective date and transition requirements for the amendment are the same as the effective date and transition requirements in ASU 2016-13.

Securities

Securities	3 Months Ended
	Mar. 31, 2021
Securities [Abstract]
Securities	Note 2 - Securities ​ The amortized cost and fair values of our AFS securities portfolio were as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Amortized Unrealized Unrealized ​ ​ ​ Cost ​ Gains ​ Losses ​ Fair Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 9,366 ​ $ 1 ​ $ 192 ​ $ 9,175 Corporate obligations ​ ​ 2,000 ​ ​ 21 ​ ​ — ​ ​ 2,021 MBS ​ ​ 123,953 ​ ​ 82 ​ ​ 2,533 ​ ​ 121,502 ​ ​ $ 135,319 ​ $ 104 ​ $ 2,725 ​ $ 132,698 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Amortized Unrealized Unrealized ​ ​ ​ Cost ​ Gains ​ Losses ​ Fair Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 6,640 ​ $ 45 ​ $ 25 ​ $ 6,660 Corporate obligations ​ ​ 2,000 ​ ​ 34 ​ ​ — ​ ​ 2,034 MBS ​ ​ 56,385 ​ ​ 339 ​ ​ 320 ​ ​ 56,404 ​ ​ $ 65,025 ​ $ 418 ​ $ 345 ​ $ 65,098 ​ The amortized cost and fair values of our HTM securities portfolio were as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ Amortized Unrealized Unrealized Fair ​ ​ Cost ​ Gains ​ Losses ​ Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 1,987 ​ $ 130 ​ $ — ​ $ 2,117 MBS ​ 12,529 ​ 448 ​ — ​ 12,977 ​ ​ $ 14,516 ​ $ 578 ​ $ — ​ $ 15,094 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ Amortized Unrealized Unrealized Fair ​ ​ Cost ​ Gains ​ Losses ​ Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 1,986 ​ $ 145 ​ $ — ​ $ 2,131 MBS ​ 13,957 ​ 515 ​ — ​ 14,472 ​ ​ $ 15,943 ​ $ 660 ​ $ — ​ $ 16,603 ​ Gross unrealized losses and fair value by length of time that the individual AFS securities have been in an unrealized loss position at the dates indicated are presented in the following tables: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ # of Fair Unrealized # of Fair Unrealized # of Fair Unrealized ​ ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ ​ (dollars in thousands) U.S. government agency notes ​ 8 ​ $ 9,056 ​ $ 192 ​ — ​ $ — ​ $ — ​ 8 ​ $ 9,056 ​ $ 192 MBS ​ 61 ​ 103,718 ​ 2,523 ​ 1 ​ 511 ​ 10 ​ 62 ​ 104,229 ​ ​ 2,533 ​ ​ 69 ​ $ 112,774 ​ $ 2,715 ​ 1 ​ $ 511 ​ $ 10 ​ 70 ​ $ 113,285 ​ $ 2,725 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ # of Fair Unrealized # of Fair Unrealized # of Fair Unrealized ​ ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ ​ (dollars in thousands) U.S. government agency notes ​ 5 ​ $ 4,015 ​ $ 25 ​ — ​ $ — ​ $ — ​ 5 ​ $ 4,015 ​ $ 25 MBS ​ 27 ​ 27,454 ​ 320 ​ — ​ ​ — ​ ​ — ​ 27 ​ ​ 27,454 ​ ​ 320 ​ ​ 32 ​ $ 31,469 ​ $ 345 ​ — ​ $ — ​ $ — ​ 32 ​ $ 31,469 ​ $ 345 ​ We did not have any HTM securities in an unrealized loss position at either March 31, 2021 or December 31, 2020. ​ All of the securities that are currently in a gross unrealized loss position are so due to declines in fair values resulting from changes in interest rates or increased liquidity spreads since the time they were purchased. We have the intent and ability to hold these debt securities to maturity (including the AFS securities) and do not intend to sell, nor do we believe it will be more likely than not that we will be required to sell, any impaired securities prior to a recovery of amortized cost. We expect these securities will be repaid in full, with no losses realized. As such, management considers any impairment to be temporary. ​ Contractual maturities of debt securities at March 31, 2021 are shown below. Actual maturities may differ from contractual maturities because borrowers have the right to call or prepay obligations with or without call or prepayment penalties. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ AFS Securities ​ HTM Securities ​ Amortized Fair Amortized Fair ​ ​ Cost ​ Value ​ Cost ​ Value ​ ​ (dollars in thousands) Due after one through five years ​ $ 118 ​ $ 119 ​ $ 1,987 ​ $ 2,117 Due after five years through ten years ​ 7,874 ​ 7,815 ​ — ​ — Due after 10 years ​ ​ 3,374 ​ ​ 3,262 ​ ​ — ​ ​ — MBS ​ 123,953 ​ 121,502 ​ 12,529 ​ 12,977 ​ ​ $ 135,319 ​ $ 132,698 ​ $ 14,516 ​ $ 15,094 ​ During the three months ended March 31, 2021, we sold $4.5 million in securities and recognized $35,000 and $40,000 in gross unrealized gains and losses, respectively. We did not sell any securities during the three months ended March 31, 2020. We had $2.9 million and $3.1 million fair value of securities pledged as collateral against certain deposits as of March 31, 2021 and December 31, 2020, respectively.

Loans Receivable and Allowance

Loans Receivable and Allowance	3 Months Ended
	Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Loans Receivable and Allowance	Note 3 - Loans Receivable and Allowance for Loan Losses Loans receivable are summarized as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, ​ December 31, ​ ​ 2021 2020 ​ ​ (dollars in thousands) Residential mortgage ​ $ 186,591 ​ $ 209,659 Commercial ​ 74,617 ​ 63,842 Commercial real estate ​ 243,521 ​ 243,435 ADC ​ 103,487 ​ 112,938 Home equity/2nds ​ 15,173 ​ 14,712 Consumer ​ 1,565 ​ 1,485 Total loans receivable, before net unearned fees ​ 624,954 ​ 646,071 Unearned loan fees ​ (3,442) ​ (3,189) Loans receivable ​ $ 621,512 ​ $ 642,882 ​ Certain loans in the amount of $123.5 million have been pledged under a blanket floating lien to the FHLB as collateral against advances at March 31, 2021. At March 31, 2021, the Bank was servicing $215.4 million in loans for FNMA and $42.6 million in loans for FHLMC. At December 31, 2020, the Bank was servicing $159.8 million in loans for FNMA and $36.9 million in loans for FHLMC. These loans are not included in the table above. Also not included in the table above were MSRs of $2.9 million and $1.5 million as of March 31, 2021 and December 31, 2020, respectively. Credit Quality An Allowance is provided through charges to income in an amount that management believes will be adequate to absorb losses on existing loans that may become uncollectible based on evaluations of the collectability of loans and prior loan loss experience. Management has an established methodology to determine the adequacy of the Allowance that assesses the risks and losses inherent in the loan portfolio. The methodology takes into consideration such factors as changes in the nature and volume of the loan portfolio, overall portfolio quality, review of specific problem loans, and current economic conditions that may affect the borrowers’ ability to pay. Determining the amount of the Allowance requires the use of estimates and assumptions. Actual results could differ significantly from those estimates. While management uses all available information to estimate losses on loans, future additions to the Allowance may be necessary based on changes in economic conditions and our actual loss experience. In addition, various regulatory agencies periodically review the Allowance as an integral part of their examination process. Such agencies may require us to recognize additions to the Allowance based on their judgments about information available to them at the time of their examination. Management believes the Allowance is adequate as of March 31, 2021 and December 31, 2020. For purposes of determining the Allowance, we have segmented our loan portfolio by product type. Our portfolio loan segments are residential mortgage, commercial, commercial real estate, ADC, Home equity/2nds, and consumer. We have looked at all segments and have determined that no additional subcategorization is warranted based upon our consideration of risk. Our portfolio classes are the same as our portfolio segments. Inherent Credit Risks The inherent credit risks within the loan portfolio vary depending upon the loan class as follows: Residential mortgage Commercial SBA PPP - We are participating in the PPP and began origination of such loans that are expected to be 100% guaranteed by the SBA. These loans have a 2 year (origination prior to June 5, 2020) or 5 year (originated after June 5, 2020) term at a 1.0% rate of interest with forgiveness by the SBA at the end of the term. This loan program was designed to assist our commercial customers in remaining operational during this time of uncertainty surrounding the COVID-19 pandemic. As of March 31, 2021, we held $39.0 million in PPP loans in our loan portfolio, all of which have interest forbearance. Commercial real estate ADC The sources of repayment of these loans is typically permanent financing expected to be obtained upon completion or sales of developed property. These loans are closely monitored by onsite inspections and are considered to be of a higher risk than other real estate loans due to their ultimate repayment being sensitive to general economic conditions, availability of long-term financing, interest rate sensitivity, and governmental regulation of real property. If the Bank is forced to foreclose on a project prior to or at completion due to a default, there can be no assurance that the Bank will be able to recover all of the unpaid balance of the loan as well as related foreclosure and holding costs. In addition, the Bank may be required to fund additional amounts to complete the project and may have to hold the property for an unspecified period of time. Home equity/2nds Consumer COVID-19 national and local “stay at home” orders that were in place in many areas during the beginning of the second quarter of 2020. Although most “stay at home” orders have since been lifted, many businesses are operating at significantly reduced capacities and many people remain unemployed. During this time of economic uncertainty, borrowers have faced and could continue to face extended periods of unemployment and may not be able to meet their loan obligations. Additionally, real estate collateral values could significantly decline and full repayment of loans could be in doubt. We have adjusted some of our economic qualitative factors that affect our Allowance calculation to reflect our best estimate of these risks. Management will continue to evaluate the adequacy of the Allowance as more economic data becomes available and as changes within our portfolio are known. To date, we have not experienced a significant increase in delinquencies or NPAs. However, the ongoing pandemic could still result in a deterioration in credit quality. The effects of the pandemic may require us to fund additional increases in the Allowance in future periods. Section 4013 of the CARES Act provides that a qualified loan modification is exempt by law from classification as a TDR pursuant to U.S. GAAP in certain circumstances. In addition, OCC Bulletin 2020-35 provides more limited circumstances in which a loan modification is not subject to classification as a TDR. CARES Act Section 4013 and OCC Bulletin 2020-35 forbearance agreements are available to both qualified commercial and consumer loan borrowers. Due to the widespread impact of COVID-19, we have had loan borrowers seek loan forbearance or loan modification agreements under the CARES Act. We held $12.4 million in loans modified under the CARES Act as of March 31, 2021, most of which have an interest deferral component. Such deferral periods range from one month to six months. We have recorded $117,000 in interest that has not yet been collected on $10.5 million in loans due to the forbearance agreements. The following tables present, by portfolio segment, the changes in the Allowance and the recorded investment in loans: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2021 ​ Residential ​ Commercial ​ Home Equity/ ​ ​ ​ ​ Mortgage ​ Commercial ​ Real Estate ​ ADC ​ 2nds ​ Consumer ​ Unallocated ​ Total ​ ​ (dollars in thousands) Beginning Balance ​ $ 2,259 ​ $ 1,670 ​ $ 1,516 ​ $ 2,947 ​ $ 168 ​ $ — ​ $ 110 ​ $ 8,670 Charge-offs ​ — ​ — ​ — ​ (34) ​ — ​ — ​ — ​ (34) Recoveries ​ 65 ​ 5 ​ 174 ​ — ​ 4 ​ 1 ​ — ​ 249 Net recoveries (charge-offs) ​ 65 ​ 5 ​ 174 ​ (34) ​ 4 ​ 1 ​ — ​ 215 (Reversal of) provision for loan losses ​ (525) ​ ​ 105 ​ ​ (237) ​ ​ (208) ​ ​ 47 ​ (1) ​ 69 ​ (750) Ending Balance ​ $ 1,799 ​ $ 1,780 ​ $ 1,453 ​ $ 2,705 ​ $ 219 ​ $ — ​ $ 179 ​ $ 8,135 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending balance - individually evaluated for impairment ​ $ 226 ​ $ — ​ $ — ​ $ 29 ​ $ — ​ $ — ​ $ — ​ $ 255 Ending balance - collectively evaluated for impairment ​ 1,573 ​ ​ 1,780 ​ ​ 1,453 ​ ​ 2,676 ​ ​ 219 ​ ​ — ​ ​ 179 ​ 7,880 ​ ​ $ 1,799 ​ $ 1,780 ​ $ 1,453 ​ $ 2,705 ​ $ 219 ​ $ — ​ $ 179 ​ $ 8,135 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending loan balance -individually evaluated for impairment ​ $ 6,791 ​ $ — ​ $ 630 ​ $ 298 ​ $ 473 ​ $ 62 ​ ​ ​ ​ $ 8,254 Ending loan balance -collectively evaluated for impairment ​ 179,800 ​ 74,617 ​ 242,891 ​ 103,189 ​ 14,700 ​ 1,503 ​ ​ ​ ​ 616,700 ​ ​ $ 186,591 ​ $ 74,617 ​ $ 243,521 ​ $ 103,487 ​ $ 15,173 ​ $ 1,565 ​ ​ ​ ​ $ 624,954 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ Residential ​ Commercial ​ ​ Home Equity/ ​ ​ ​ ​ Mortgage ​ Commercial ​ Real Estate ​ ADC ​ 2nds ​ Consumer ​ Unallocated ​ Total ​ ​ (dollars in thousands) Ending balance - individually evaluated for impairment ​ $ 542 ​ $ — ​ $ — ​ $ 29 ​ $ — ​ $ — ​ $ — ​ $ 571 Ending balance - collectively evaluated for impairment ​ 1,717 ​ 1,670 ​ 1,516 ​ 2,918 ​ 168 ​ — ​ 110 ​ 8,099 ​ ​ $ 2,259 ​ $ 1,670 ​ $ 1,516 ​ $ 2,947 ​ $ 168 ​ $ — ​ $ 110 ​ $ 8,670 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending loan balance - individually evaluated for impairment ​ $ 10,131 ​ $ — ​ $ 547 ​ $ 308 ​ $ 491 ​ $ 63 ​ ​ ​ ​ $ 11,540 Ending loan balance - collectively evaluated for impairment ​ 199,528 ​ 63,842 ​ 242,888 ​ 112,630 ​ 14,221 ​ 1,422 ​ ​ ​ ​ 634,531 ​ ​ $ 209,659 ​ $ 63,842 ​ $ 243,435 ​ $ 112,938 ​ $ 14,712 ​ $ 1,485 ​ ​ ​ ​ $ 646,071 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2020 ​ Residential ​ Commercial ​ Home Equity/ ​ ​ ​ ​ ​ ​ ​ ​ Mortgage ​ Commercial ​ Real Estate ​ ADC ​ 2nds ​ Consumer ​ Unallocated ​ Total ​ ​ (dollars in thousands) Beginning Balance ​ $ 2,264 ​ $ 1,421 ​ $ 984 ​ $ 2,286 ​ $ 134 ​ $ — ​ $ 49 ​ $ 7,138 Charge-offs ​ — ​ — ​ — ​ — ​ — ​ (15) ​ — ​ (15) Recoveries ​ 3 ​ 5 ​ 32 ​ — ​ 2 ​ 3 ​ — ​ 45 Net recoveries (charge-offs) ​ 3 ​ 5 ​ 32 ​ — ​ 2 ​ (12) ​ — ​ 30 Provision for loan losses ​ 217 ​ ​ 139 ​ ​ 24 ​ ​ 329 ​ ​ 15 ​ 12 ​ 14 ​ 750 Ending Balance ​ $ 2,484 ​ $ 1,565 ​ $ 1,040 ​ $ 2,615 ​ $ 151 ​ $ — ​ $ 63 ​ $ 7,918 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending balance - individually evaluated for impairment ​ $ 742 ​ $ — ​ $ 62 ​ $ 29 ​ $ — ​ $ — ​ $ — ​ $ 833 Ending balance - collectively evaluated for impairment ​ 1,742 ​ 1,565 ​ 978 ​ 2,586 ​ 151 ​ — ​ 63 ​ 7,085 ​ ​ $ 2,484 ​ $ 1,565 ​ $ 1,040 ​ $ 2,615 ​ $ 151 ​ $ — ​ $ 63 ​ $ 7,918 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending loan balance - individually evaluated for impairment ​ $ 14,385 ​ $ — ​ $ 1,208 ​ $ 428 ​ $ 548 ​ $ 68 ​ ​ ​ ​ $ 16,637 Ending loan balance - collectively evaluated for impairment ​ 246,596 ​ 43,490 ​ 219,446 ​ 99,433 ​ 11,651 ​ 1,406 ​ ​ ​ ​ 622,022 ​ ​ $ 260,981 ​ $ 43,490 ​ $ 220,654 ​ $ 99,861 ​ $ 12,199 ​ $ 1,474 ​ ​ ​ ​ $ 638,659 ​ The following tables present the credit quality breakdown of our loan portfolio by class: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Special ​ ​ ​ Pass ​ Mention ​ Substandard ​ Total ​ (dollars in thousands) Residential mortgage ​ $ 185,245 ​ $ — ​ $ 1,346 $ 186,591 Commercial ​ 73,417 ​ 1,200 ​ — 74,617 Commercial real estate ​ 242,639 ​ 85 ​ 797 243,521 ADC ​ 103,044 ​ — ​ 443 103,487 Home equity/2nds ​ 15,076 ​ — ​ 97 15,173 Consumer ​ 1,565 ​ — ​ — 1,565 ​ ​ $ 620,986 ​ $ 1,285 ​ $ 2,683 $ 624,954 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Special ​ ​ ​ Pass ​ Mention ​ Substandard ​ Total ​ ​ (dollars in thousands) Residential mortgage ​ $ 205,225 ​ $ — ​ $ 4,434 ​ $ 209,659 Commercial ​ 62,642 ​ 1,200 ​ — ​ 63,842 Commercial real estate ​ 242,435 ​ 86 ​ 914 ​ 243,435 ADC ​ 112,479 ​ — ​ 459 ​ 112,938 Home equity/2nds ​ 14,606 ​ — ​ 106 ​ 14,712 Consumer ​ 1,485 ​ — ​ — ​ 1,485 ​ ​ $ 638,872 ​ $ 1,286 ​ $ 5,913 ​ $ 646,071 ​ Management further monitors the performance and credit quality of the loan portfolio by analyzing the age of the portfolio as determined by the length of time a recorded payment is past due. The following tables present the classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans, excluding any CARES Act forbearance loans that may be contractually past due, but not considered such due to the legal forbearance: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Past Due ​ ​ ​ ​ ​ ​ ​ 30-59 ​ 60-89 ​ 90+ ​ ​ ​ ​ ​ ​ ​ Non- ​ Days Days Days Total Current Total Accrual ​ ​ (dollars in thousands) Residential mortgage ​ $ — ​ $ — ​ $ 331 ​ $ 331 ​ $ 186,260 ​ $ 186,591 ​ $ 910 Commercial ​ — ​ — ​ — ​ — ​ 74,617 ​ 74,617 ​ — Commercial real estate ​ — ​ — ​ 126 ​ 126 ​ 243,395 ​ 243,521 ​ 213 ADC ​ — ​ — ​ — ​ — ​ 103,487 ​ 103,487 ​ 54 Home equity/2nds ​ 59 ​ — ​ 97 ​ 156 ​ 15,017 ​ 15,173 ​ 106 Consumer ​ — ​ — ​ — ​ — ​ 1,565 ​ 1,565 ​ — ​ ​ $ 59 ​ $ — ​ $ 554 ​ $ 613 ​ $ 624,341 ​ $ 624,954 ​ $ 1,283 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Past Due ​ ​ ​ ​ ​ ​ ​ ​ 30-59 ​ 60-89 ​ 90+ ​ ​ ​ ​ ​ ​ ​ Non- ​ Days Days Days Total Current Total Accrual ​ (dollars in thousands) Residential mortgage ​ $ 674 ​ $ 213 ​ $ 3,393 ​ $ 4,280 ​ $ 205,379 ​ $ 209,659 ​ $ 4,080 Commercial ​ — ​ — ​ — ​ — ​ 63,842 ​ 63,842 ​ — Commercial real estate ​ 5 ​ 87 ​ 126 ​ 218 ​ 243,217 ​ 243,435 ​ 126 ADC ​ — ​ — ​ — ​ — ​ 112,938 ​ 112,938 ​ 60 Home equity/2nds ​ 60 ​ — ​ 106 ​ 166 ​ 14,546 ​ 14,712 ​ 114 Consumer ​ — ​ — ​ — ​ — ​ 1,485 ​ 1,485 ​ — ​ ​ $ 739 ​ $ 300 ​ $ 3,625 ​ $ 4,664 ​ $ 641,407 ​ $ 646,071 ​ $ 4,380 ​ We did not have any loans greater than 90 days past due and still accruing as of March 31, 2021 or December 31, 2020. The interest which would have been recorded on the above nonaccrual loans if those loans had been performing in accordance with their contractual terms was approximately $151,000 and $467,000 for the three months ended March 31, 2021 and 2020, respectively. The actual interest earned on those loans amounted to $31,000 and $60,000 for the three months ended March 31, 2021 and 2020, respectively. The following tables summarize impaired loans: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ December 31, 2020 ​ Unpaid ​ ​ Unpaid ​ ​ ​ Principal ​ Recorded ​ Related ​ Principal ​ Recorded ​ Related ​ ​ Balance ​ Investment ​ Allowance ​ Balance ​ Investment ​ Allowance With no related Allowance: ​ (dollars in thousands) Residential mortgage ​ $ 6,211 ​ $ 5,793 ​ $ — ​ $ 7,432 ​ $ 7,152 ​ $ — Commercial ​ — ​ — ​ — ​ — ​ — ​ — Commercial real estate ​ 631 ​ 630 ​ — ​ 548 ​ 547 ​ — ADC ​ 205 ​ 197 ​ — ​ 212 ​ 206 ​ — Home equity/2nds ​ 896 ​ 473 ​ — ​ 910 ​ 491 ​ — Consumer ​ 62 ​ 62 ​ — ​ 63 ​ 63 ​ — With a related Allowance: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 998 ​ 998 ​ 226 ​ 3,104 ​ 2,979 ​ 542 Commercial ​ — ​ — ​ — ​ — ​ — ​ — Commercial real estate ​ — ​ — ​ — ​ — ​ — ​ — ADC ​ 101 ​ 101 ​ 29 ​ 102 ​ 102 ​ 29 Home equity/2nds ​ — ​ — ​ — ​ — ​ — ​ — Consumer ​ — ​ — ​ — ​ — ​ — ​ — Totals: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 7,209 ​ 6,791 ​ 226 ​ 10,536 ​ 10,131 ​ 542 Commercial ​ — ​ — ​ — ​ — ​ — ​ — Commercial real estate ​ 631 ​ 630 ​ — ​ 548 ​ 547 ​ — ADC ​ 306 ​ 298 ​ 29 ​ 314 ​ 308 ​ 29 Home equity/2nds ​ 896 ​ 473 ​ — ​ 910 ​ 491 ​ — Consumer ​ 62 ​ 62 ​ — ​ 63 ​ 63 ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ ​ 2021 ​ 2020 ​ Average Interest Average Interest ​ ​ Recorded ​ Income ​ Recorded ​ Income ​ ​ Investment ​ Recognized ​ Investment ​ Recognized With no related Allowance: ​ (dollars in thousands) Residential mortgage ​ $ 5,848 ​ $ 83 ​ $ 9,648 ​ $ 89 Commercial ​ — ​ — ​ — ​ — Commercial real estate ​ 632 ​ 9 ​ 664 ​ 15 ADC ​ 200 ​ 3 ​ 235 ​ 5 Home equity/2nds ​ 292 ​ 7 ​ 553 ​ 6 Consumer ​ 63 ​ 1 ​ 82 ​ 1 With a related Allowance: ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 1,000 ​ 16 ​ 4,571 ​ 57 Commercial ​ — ​ — ​ — ​ — Commercial real estate ​ — ​ — ​ 549 ​ 8 ADC ​ 101 ​ 1 ​ 104 ​ 1 Home equity/2nds ​ — ​ — ​ — ​ — Consumer ​ — ​ — ​ 2 ​ 1 Totals: ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 6,848 ​ 99 ​ 14,219 ​ 146 Commercial ​ — ​ — ​ — ​ — Commercial real estate ​ 632 ​ 9 ​ 1,213 ​ 23 ADC ​ 301 ​ 4 ​ 339 ​ 6 Home equity/2nds ​ 292 ​ 7 ​ 553 ​ 6 Consumer ​ 63 ​ 1 ​ 84 ​ 2 ​ ​ There were no consumer mortgage properties included in real estate acquired through foreclosure at March 31, 2021 or December 31, 2020. Consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process according to local requirements of the applicable jurisdiction totaled $505,000 as of March 31, 2021 and $3.6 million as of December 31, 2020. TDRs See discussion above in this Note regarding the CARES Act relating to loan modifications during the COVID-19 pandemic. Our portfolio of TDRs was accounted for under the following methods: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ ​ ​ ​ Total Total ​ ​ Number of ​ Accrual ​ Number of ​ Nonaccrual ​ Number of ​ Balance of ​ ​ Modifications ​ Status ​ Modifications ​ Status ​ Modifications ​ Modifications ​ ​ (dollars in thousands) Residential mortgage 21 ​ $ 5,618 2 ​ $ 159 23 ​ $ 5,777 Commercial real estate 1 ​ 417 — ​ — 1 ​ 417 ADC 1 ​ 127 — ​ — 1 ​ 127 Home equity/2nds ​ 1 ​ ​ 187 ​ — ​ — ​ 1 ​ 187 Consumer 1 ​ 62 — ​ — 1 ​ 62 ​ 25 ​ $ 6,411 2 ​ $ 159 27 ​ $ 6,570 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ ​ ​ ​ Total Total ​ ​ Number of ​ Accrual ​ Number of ​ Nonaccrual ​ Number of ​ Balance of ​ ​ Modifications ​ Status ​ Modifications ​ Status ​ Modifications ​ Modifications ​ ​ (dollars in thousands) Residential mortgage 22 ​ $ 5,787 2 ​ $ 163 24 ​ $ 5,950 Commercial real estate 1 ​ 421 — ​ — 1 ​ 421 ADC 1 ​ 128 — ​ — 1 ​ 128 Home equity/2nds ​ 1 ​ ​ 190 ​ — ​ — ​ 1 ​ 190 Consumer 1 ​ 63 — ​ — 1 ​ 63 ​ 26 ​ $ 6,589 2 ​ $ 163 28 ​ $ 6,752 ​ We did not modify any loans that would qualify as TDRs during the three months ended March 31, 2021 or 2020. There were no TDRs that defaulted during the three months ended March 31, 2021 or 2020 which were modified during the previous 12 month period.

Regulatory Matters

Regulatory Matters	3 Months Ended
	Mar. 31, 2021
Regulatory Matters [Abstract]
Regulatory Matters	Note 4 - Regulatory Matters The Bank is subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary, actions by regulators that, if undertaken, could have a direct material effect on our financial condition. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Bank must meet specific capital guidelines that involve quantitative measures of assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The Bank’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. In July 2013, federal bank regulatory agencies issued final rules to revise their risk-based capital requirements and the method for calculating risk-weighted assets to make them consistent with Basel III. On January 1, 2015, the Basel III rules became effective and included transition provisions which implement certain portions of the rules through January 1, 2019. Under the final rules, the effects of certain accumulated other comprehensive income items are not excluded, however, banking organizations like us that are not considered “advanced approaches” banking organizations may make a one-time permanent election to continue to exclude these items, which we have done. The Basel III rules also establish a “capital conservation buffer” of 2.5% above the regulatory minimum capital requirements, which must consist entirely of common equity Tier 1 capital. An institution would be subject to limitations on paying dividends, engaging in share repurchases, and paying discretionary bonuses to executive officers if its capital level falls below the buffer amount. These limitations establish a maximum percentage of eligible retained income that could be utilized for such actions. As a result of the Economic Growth, Regulatory Relief, and Consumer Protection Act, the federal banking agencies have developed a “Community Bank Leverage Ratio” (the ratio of a bank’s tier 1 capital to average total consolidated assets) for financial institutions with assets of less than $10 billion. A “qualifying community bank” that exceeds this ratio will be deemed to be in compliance with all other capital and leverage requirements, including the capital requirements to be considered “well capitalized” under Prompt Corrective Action statutes. The federal banking agencies have set the Community Bank Leverage Ratio at 9%. A financial institution can elect to be subject to this new definition, which we did on January 1, 2020. The CARES Act temporarily lowered this ratio to 8% beginning in the second quarter of 2020. The ratio then rose to 8.5% for 2021 and re-establishes at 9% on January 1, 2022. As of the date of our last regulatory exam, the Bank was considered “well capitalized” and as of March 31, 2021, the Bank continued to meet the requirements to be considered “well capitalized” based on applicable U.S. regulatory capital ratio requirements. The Bank’s regulatory capital amounts and ratios were as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ To be Well ​ ​ ​ ​ ​ ​ Capitalized Under ​ ​ ​ ​ ​ ​ Prompt Corrective ​ ​ Actual ​ ​ ​ Action Provision ​ Amount Ratio Amount Ratio March 31, 2021 ​ (dollars in thousands) ​ Community bank leverage ratio ​ $ 125,768 12.1 % 88,419 8.5 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Community bank leverage ratio ​ $ 122,196 13.7 % 71,495 8.0 % ​

Earnings Per Share

Earnings Per Share	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Earnings Per Share	Note 5 - Earnings Per Share Basic earnings per share is computed by dividing net income available to common stockholders by the weighted average number of shares of common stock outstanding for each period. Diluted earnings per share reflect additional common shares that would have been outstanding if dilutive potential common shares had been issued. Potential common shares that may be issued by the Company relate to outstanding stock options and are determined using the treasury stock method. There were 10,500 shares that were anti-dilutive for the three months ended March 31, 2020. There were no anti-dilutive shares for the three months ended March 31, 2021. Information relating to the calculations of our income per common share is summarized as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ 2021 2020 ​ ​ (dollars in thousands, except for per share data) Weighted-average shares outstanding - basic ​ 12,847,418 ​ 12,812,642 Dilution ​ 54,067 ​ 37,499 Weighted-average share outstanding - diluted ​ 12,901,485 ​ 12,850,141 ​ ​ ​ ​ ​ ​ ​ Net income ​ $ 3,911 ​ $ 565 Net income per share - basic ​ $ 0.30 ​ $ 0.04 Net income per share - diluted ​ $ 0.30 ​ $ 0.04 ​

Stock-based Compensation

Stock-based Compensation	3 Months Ended
	Mar. 31, 2021
Stock-Based Compensation [Abstract]
Stock-Based Compensation	Note 6 - Stock-Based Compensation We maintain a stock-based compensation plan for directors, officers, and other key employees of the Company. The aggregate number of shares of common stock that could be issued with respect to the awards granted under the Plan is 500,000. Under the terms of the Plan, the Company has the ability to grant various stock compensation incentives, including stock options, stock appreciation rights, and restricted stock. The Plan was granted under terms and conditions determined by the Compensation Committee of the Board of Directors. Under the Plan, stock options generally have a maximum term of ten years We account for stock-based compensation in accordance with FASB ASC Topic 718, Compensation – Stock Compensation, Information regarding our stock-based compensation plan is as follows as of and for the three months ended March 31: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2021 ​ 2020 ​ ​ ​ Weighted- ​ ​ ​ Weighted- ​ ​ ​ ​ Weighted- ​ Average ​ Aggregate ​ ​ ​ Weighted- ​ Average ​ Aggregate ​ ​ ​ ​ Average ​ Remaining ​ Intrinsic ​ ​ ​ Average ​ Remaining ​ Intrinsic ​ ​ Number ​ Exercise ​ Contractual ​ Value ​ Number ​ Exercise ​ Contractual ​ Value ​ ​ of Shares ​ Price ​ Term (in years) ​ (in thousands) ​ of Shares ​ Price ​ Term (in years) ​ (in thousands) Outstanding at beginning of period 220,250 ​ $ 6.89 ​ 234,173 ​ $ 6.60 ​ Granted — ​ — ​ 10,500 ​ 8.26 ​ Exercised (13,640) ​ 6.28 $ 79 (2,050) ​ 6.78 $ — Outstanding at end of period 206,610 ​ $ 6.93 1.2 ​ $ 1,069 242,623 ​ $ 6.67 2.7 ​ $ 69 Exercisable at end of period 155,306 ​ $ 6.78 0.8 ​ $ 827 159,884 ​ $ 6.37 2.3 ​ $ 69 ​ The stock-based compensation expense amounts and fair values of options at the time of the grants were derived using the Black-Scholes option-pricing model. The following weighted average assumptions were used to value options granted for the three months ended March 31, 2020. There were no options granted in 2021. ​ ​ ​ ​ ​ ​ Expected life ​ 5.5 years Risk-free interest rate ​ ​ 0.95 % Expected volatility ​ ​ 27.83 % Expected dividend yield ​ $ 1.95 Weighted average per share fair value of options granted ​ $ 1.75 ​ ​ As of March 31, 2021, there was $129,000 of total unrecognized stock-based compensation expense related to nonvested stock options, which is expected to be recognized over the next 23 months

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Mar. 31, 2021
Commitments and Contingencies
Commitments and Contingencies	Note 7 - Commitments and Contingencies Off-Balance Sheet Instruments The Bank is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financial needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit, which involve, to varying degrees, elements of credit risk in excess of the amount recognized in the Consolidated Statements of Financial Condition. The contract amounts of these instruments express the extent of involvement we have in each class of financial instruments. Our exposure to credit loss from nonperformance by the other party to the above mentioned financial instruments is represented by the contractual amount of those instruments. We use the same credit policies in making commitments and conditional obligations as we do for on-balance sheet instruments. Unless otherwise noted, we require collateral or other security to support financial instruments with off-balance sheet credit risk. ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ December 31, 2020 ​ ​ (dollars in thousands) Standby letters of credit ​ $ 2,804 ​ $ 3,251 Home equity lines of credit ​ 18,678 ​ 17,005 Unadvanced construction commitments ​ 84,866 ​ 74,626 Lines of credit ​ 30,510 ​ 30,190 Loans sold and serviced with limited repurchase provisions ​ 38,877 ​ 41,800 ​ Standby letters of credit are conditional commitments issued by the Bank guaranteeing performance by a customer to various municipalities. These guarantees are issued primarily to support performance arrangements and are limited to real estate transactions. The majority of these standby letters of credit expire within twelve months, with automatic one year renewals. The Bank has the option to stop any automatic renewal. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending other loan commitments. The Bank requires collateral supporting these letters of credit as deemed necessary. Management believes, except for certain standby letters of credit, that the proceeds obtained through a liquidation of such collateral would be sufficient to cover the maximum potential amount of future payments required under the corresponding guarantees. The current amount of the liability as of both March 31, 2021 and December 31, 2020 for guarantees under standby letters of credit issued was $8,000. Home equity lines of credit are loan commitments to individuals as long as there is no violation of any condition established in the contract. Commitments under home equity lines expire ten years after the date the loan closes and are secured by real estate. We evaluate each customer’s credit worthiness on a case-by-case basis. Unadvanced construction commitments are loan commitments made to borrowers for both residential and commercial projects that are either in process or are expected to begin construction shortly. Lines of credit are loan commitments to individuals and companies as long as there is no violation of any condition established in the contract. Lines of credit have a fixed expiration date. The Bank evaluates each customer’s credit worthiness on a case-by-case basis. The Bank has entered into several agreements to sell mortgage loans to third parties. These agreements contain limited provisions that require the Bank to repurchase a loan if the loan becomes delinquent within a period ranging generally from 120 to 180 days Other Contingencies The Company provides banking services to customers who do business in the medical-use cannabis industry. While the growing, processing, and sales of medical-use cannabis is legal in the state of Maryland, the business currently violates Federal law. The Company may be deemed to be aiding and abetting illegal activities through the services that it provides to these customers. The strict enforcement of Federal laws regarding medical-use cannabis would likely result in the Company’s inability to continue to provide banking services to these customers and the Company could have legal action taken against it by the Federal government, including imprisonment and fines. There is an uncertainty of the potential impact to the Company’s consolidated financial statements if the Federal government takes actions against the Company. As of March 31, 2021, the Company has not Following is a summary of the level of business activities with our medical-use cannabis customers: ● Deposit and loan balances at March 31, 2021 were approximately $60.7 million, or 6.3% of total deposits, and $22.9 million, or 3.7% of total loans, respectively. Deposit and loan balances at December 31, 2020 were approximately $42.8 million, or 5.3% of total deposits, and $18.7 million, or 2.9% of total loans, respectively. ● Interest and noninterest income for the three months ended March 31, 2021 were approximately $219,000 and $564,000 , respectively. Interest and noninterest income for the three months ended March 31, 2020 were approximately $155,000 and $519,000 , respectively. ● The volume of deposits in the accounts of medical-use cannabis customers for the three months ended March 31, 2021 and 2020 was approximately $171.3 million and $100.8 million, respectively.

Derivatives

Derivatives	3 Months Ended
	Mar. 31, 2021
Derivatives
Derivatives	Note 8 - Derivatives We maintain and account for derivatives, in the form of IRLCs and mandatory forward contracts, in accordance with the FASB guidance on accounting for derivative instruments and hedging activities. We recognize gains and losses on IRLCs, mandatory forward contracts, and best effort forward contracts on the loan pipeline through mortgage-banking revenue in the Consolidated Statements of Income. IRLCs on mortgage loans that we intend to sell in the secondary market are considered derivatives. We are exposed to price risk from the time a mortgage loan closes until the time the loan is sold. The period of time between issuance of a loan commitment and closing and sale of the loan generally ranges from 14 days to 60 days. For these IRLCs, we attempt to protect the Bank from changes in interest rates through the use of best efforts and mandatory forward contracts. Mandatory forward contracts are also considered derivatives and are reported in the table below. Best efforts forward contracts are not derivatives, however, we have elected to measure and report these commitments at fair value. These assets and liabilities are included in the Consolidated Statements of Financial Condition in other assets and accrued expenses and other liabilities, respectively. Information pertaining to the carrying amounts of our derivative financial instruments follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ December 31, 2020 ​ ​ Notional ​ Estimated ​ Notional ​ Estimated ​ Amount Fair Value Amount Fair Value ​ (dollars in thousands) Asset - IRLCs ​ $ 46,317 ​ $ 781 ​ $ 44,243 ​ $ 1,128 Asset - mandatory forward contracts ​ 17,553 ​ ​ 94 ​ ​ — ​ ​ — Asset - TBA securities ​ ​ 78,000 ​ ​ 1,465 ​ ​ — ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Liability - mandatory forward contracts ​ $ 67,928 ​ $ 1,061 ​ $ — ​ $ — Liability - TBA securities ​ ​ 2,500 ​ ​ 4 ​ ​ 79,500 ​ ​ 557 ​

Segments

Segments	3 Months Ended
	Mar. 31, 2021
Segments
Segments	Note 9 – Segments We are in the business of providing financial services and we operate in two business segments – commercial and consumer banking and mortgage-banking. Commercial and consumer banking is conducted through the Bank and involves delivering a broad range of financial services, including lending and deposit taking, to individuals and commercial enterprises. This segment also includes our treasury and administrative functions. Mortgage-banking is conducted through the Bank’s secondary marketing department and involves originating first- and second-lien residential mortgages for sale in the secondary market and to the Bank. The following tables present certain information regarding our business segments for the three months ended March 31, 2021 and 2020: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2021 ​ ​ Commercial and ​ Mortgage- ​ ​ ​ Consumer Banking Banking Total ​ ​ (dollars in thousands) Interest income ​ $ 8,354 ​ $ 255 ​ $ 8,609 Interest expense ​ ​ (912) ​ ​ (39) ​ ​ (951) Net interest income ​ 7,442 ​ 216 ​ 7,658 Reversal of provision for loan losses ​ 750 ​ — ​ 750 Net interest income after reversal of provision for loan losses ​ 8,192 ​ 216 ​ 8,408 Noninterest income ​ 1,363 ​ 4,396 ​ 5,759 Noninterest expense ​ (6,562) ​ (2,244) ​ (8,806) Net income before income taxes ​ ​ 2,993 ​ ​ 2,368 ​ ​ 5,361 Income tax provision ​ (798) ​ (652) ​ (1,450) Net income ​ $ 2,195 ​ $ 1,716 ​ $ 3,911 Total Assets ​ $ 1,062,845 ​ $ 50,124 ​ $ 1,112,969 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 ​ ​ Commercial and ​ Mortgage- ​ ​ ​ Consumer Banking Banking Total ​ ​ (dollars in thousands) Interest income ​ $ 8,785 ​ $ 131 ​ $ 8,916 Interest expense ​ ​ (2,117) ​ ​ (44) ​ ​ (2,161) Net interest income ​ 6,668 ​ 87 ​ 6,755 Provision for loan losses ​ (750) ​ — ​ (750) Net interest income after provision for loan losses ​ 5,918 ​ 87 ​ 6,005 Noninterest income ​ 1,391 ​ 1,634 ​ 3,025 Noninterest expense ​ (7,189) ​ (1,063) ​ (8,252) Net income before income taxes ​ ​ 120 ​ ​ 658 ​ ​ 778 Income tax provision ​ (32) ​ (181) ​ (213) Net income ​ $ 88 ​ $ 477 ​ $ 565 Total Assets ​ $ 834,474 ​ $ 21,996 ​ $ 856,470 ​

Fair Value

Fair Value	3 Months Ended
	Mar. 31, 2021
Fair Value of Financial Instruments
Fair Value of Financial Instruments	​ Note 10 - Fair Value ​ Fair value is the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. A fair value hierarchy that prioritizes the inputs to valuation methods is used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair market hierarchy are as follows: Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. Level 2: Quoted prices in markets that are not active, or inputs that are observable either directly or indirectly, for substantially the full term of the asset or liability. Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (i.e. supported with little or no market activity). An asset or liability’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. We record transfers between levels at the end of the reporting period in which the change in significant inputs occurs. Assets Measured on a Recurring Basis The following table presents fair value measurements for assets that are measured at fair value on a recurring basis as of and for the three months ended March 31, 2021: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ ​ Other ​ Significant ​ Total Changes ​ ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ In Fair Values ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Included In ​ ​ Value ​ (Level 1) ​ (Level 2) ​ (Level 3) ​ Period Income Assets: ​ (dollars in thousands) AFS securities - U.S. government agency notes ​ $ 9,175 ​ $ — ​ $ 9,175 ​ $ — ​ $ — AFS securities - corporate obligations ​ ​ 2,021 ​ ​ — ​ ​ 2,021 ​ ​ — ​ ​ — AFS securities - MBS ​ ​ 121,502 ​ ​ — ​ ​ 121,502 ​ ​ — ​ ​ — LHFS ​ 50,124 ​ — ​ 50,124 ​ — ​ 305 MSRs ​ 2,927 ​ — ​ — ​ 2,927 ​ 826 IRLCs ​ 781 ​ — ​ — ​ 781 ​ (347) Best efforts forward contracts ​ 26 ​ — ​ 26 ​ — ​ 25 Mandatory forward contracts ​ 94 ​ — ​ 94 ​ — ​ (736) TBA securities ​ ​ 1,465 ​ ​ — ​ 1,465 ​ — ​ ​ 1,465 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Mandatory forward contracts ​ 1,061 ​ — ​ 1,061 ​ — ​ 1,055 TBA securities ​ 4 ​ — ​ 4 ​ — ​ 553 ​ The following table presents fair value measurements for assets and liabilities that are measured at fair value on a recurring basis as of and for the year ended December 31, 2020: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ Other ​ Significant ​ Total Changes ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ In Fair Values ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Included In ​ ​ Value ​ (Level 1) ​ (Level 2) ​ (Level 3) ​ Period Income Assets: ​ (dollars in thousands) AFS securities - U.S. government agency notes ​ ​ 6,660 ​ $ — ​ $ 6,660 ​ $ — ​ $ — AFS securities - corporate obligations ​ ​ 2,034 ​ ​ — ​ ​ 2,034 ​ ​ — ​ ​ — AFS securities - MBS ​ ​ 56,404 ​ ​ — ​ ​ 56,404 ​ ​ — ​ ​ — LHFS ​ 36,299 ​ — ​ 36,299 ​ — ​ 323 MSRs ​ 1,451 ​ — ​ — ​ 1,451 ​ (1,013) IRLCs ​ 1,128 ​ — ​ — ​ 1,128 ​ 949 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ TBA securities ​ 557 ​ — ​ 557 ​ — ​ (557) ​ The following table provides additional quantitative information about assets measured at fair value on a recurring basis and for which we have utilized Level 3 inputs to determine fair value: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Fair Value Valuation ​ Range ​ ​ Estimate ​ Technique ​ Unobservable Input ​ (Weighted-Average) March 31, 2021: ​ (dollars in thousands) ​ ​ ​ ​ ​ MSRs ​ $ 2,927 Market Approach Weighted average prepayment speed 155 % IRLCs - net asset ​ ​ 781 ​ Market Approach ​ Range of pull through rate ​ 78% - 100 % ​ ​ ​ ​ ​ ​ ​ Average pull through rate ​ 97 % ​ ​ December 31, 2020: ​ ​ MSRs ​ $ 1,451 Market Approach Weighted average prepayment speed 326 % IRLCs - net asset ​ ​ 1,128 Market Approach Range of pull through rate ​ 77% - 100 % ​ ​ ​ ​ ​ ​ ​ Average pull through rate ​ 93 % (1) The weighted average was calculated with reference to the principal balance of the underlying mortgages. ​ The following table shows the activity in the MSRs: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ 2021 2020 ​ ​ (dollars in thousands) Beginning balance ​ $ 1,451 ​ $ 323 Additions ​ ​ 650 ​ ​ — Valuation adjustment ​ ​ 826 ​ ​ (83) Ending balance ​ $ 2,927 ​ $ 240 ​ The following table shows the activity in the IRLCs: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ 2021 2020 ​ ​ (dollars in thousands) Beginning balance ​ $ 1,128 ​ $ 179 Valuation adjustment ​ ​ (347) ​ ​ (240) Ending balance ​ $ 781 ​ $ (61) ​ AFS Securities The estimated fair values of AFS debt securities are obtained from a nationally-recognized pricing service. This pricing service develops estimated fair values by analyzing like securities and applying available market information through processes such as benchmark curves, benchmarking of like securities, sector groupings, and matrix pricing to prepare valuations. Matrix pricing is a mathematical technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities, but rather by relying on the securities’ relationship to other benchmark quoted securities. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information, and the bond’s terms and conditions, among other things, and are based on market data obtained from sources independent from the Bank. U.S Treasury Securities are considered Level 1 and all of our other securities are considered Level 2. The Level 2 investments in the Bank’s portfolio are priced using those inputs that, based on the analysis prepared by the pricing service, reflect the assumptions that market participants would use to price the assets. The Bank has determined that the Level 2 designation is appropriate for these securities because, as with most fixed-income securities, those in the Bank’s portfolio are not exchange-traded, and such nonexchange-traded fixed income securities are typically priced by correlation to observed market data. LHFS LHFS are carried at fair value, which is determined based on outstanding investor commitments or, in the absence of such commitments, on current investor yield requirements or third party pricing models. MSRs The fair value of MSRs is determined using a valuation model administered by a third party that calculates the present value of estimated future net servicing income. The model incorporates assumptions that market participants use in estimating future net servicing income, including estimates of prepayment speeds, discount rate, default rates, cost to service (including delinquency and foreclosure costs), escrow account earnings, contractual servicing fee income, and other ancillary income such as late fees. Management reviews all significant assumptions on a monthly basis. Mortgage loan prepayment speed, a key assumption in the model, is the annual rate at which borrowers are forecasted to repay their mortgage loan principal. The discount rate used to determine the present value of estimated future net servicing income, another key assumption in the model, is an estimate of the required rate of return investors in the market would require for an asset with similar risk. Both assumptions can, and generally will, change as market conditions and interest rates change. IRLCs We utilize a third party specialist model to estimate the fair value of our IRLCs, which are valued based upon mandatory pricing quotes from correspondent lenders less estimated costs to process and settle the loan. Fair value is adjusted for the estimated probability of the loan closing with the borrower. Forward Contracts To avoid interest rate risk, we enter into best efforts forward sales commitments with investors at the time we make an IRLC to a borrower. Once a loan has been closed and funded, the best efforts commitments convert to mandatory forward sales commitments. The mandatory commitments are derivatives, and the bank measures and reports them at fair value. Fair value is based on the gain or loss that would occur if we were to pair-off the transaction with the investor at the measurement date. This is a level 2 input. We have elected to measure and report best efforts commitments at fair value using a valuation methodology similar to that used for our mandatory commitments. Assets Measured on a Nonrecurring Basis ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Other ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ ​ ​ ​ ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Range of ​ Weighted ​ Value (Level 1) (Level 2) (Level 3) Discount Average ​ ​ (dollars in thousands) ​ ​ ​ ​ ​ Impaired loans ​ $ 844 ​ $ — ​ $ — ​ $ 844 12% - 14% ​ 12 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Other ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ ​ ​ ​ ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Range of ​ Weighted ​ Value (Level 1) (Level 2) (Level 3) Discount Average ​ ​ (dollars in thousands) ​ ​ ​ ​ ​ Impaired loans ​ $ 2,510 ​ $ — ​ $ — ​ $ 2,510 0% - 14% ​ 9 % (1) Discount based on current market conditions and estimated selling costs (2) Inputs are weighted based on the relative fair values of the instruments ​ Impaired Loans Impaired loans are those for which we have measured impairment based on the present value of expected future cash flows or on the fair value of the loan’s collateral. Fair value is generally determined based upon independent third-party appraisals of the properties, or discounted cash flows based upon the expected proceeds. If it is determined that the repayment of the loan will be provided solely by the underlying collateral, and there are no other available and reliable sources of repayment, the loan is considered collateral dependent. Impaired loans that are considered collateral dependent are carried at LCM. Collateral may be in the form of real estate or business assets including equipment, inventory, and/or accounts receivable. The use of independent appraisals and management’s best judgment are significant inputs in arriving at the fair value measure of the underlying collateral and impaired loans are therefore classified within level 3 of the fair value hierarchy. For such loans that are classified as impaired, an Allowance is established when the present value of the expected future cash flows of the impaired loan is lower than the carrying value of that loan. For such impaired loans that are classified as collateral dependent, an Allowance is established when the current market value of the underlying collateral less its estimated disposal costs has not been finalized, but management determines that it is likely that the value is lower than the carrying value of that loan. Once the net collateral value has been determined, a charge-off is taken for the difference between the net collateral value and the carrying value of the loan. Real Estate Acquired Through Foreclosure We record foreclosed real estate assets at the fair value less estimated selling costs on their acquisition dates and at the lower of such initial amount or estimated fair value less estimated selling costs thereafter. We generally obtain certified external appraisals of real estate acquired through foreclosure and estimate fair value using those appraisals. Other valuation sources may be used, including broker price opinions, letters of intent, and executed sale agreements. Fair Value of All Financial Instruments The carrying value and fair value of all financial instruments are summarized in the following tables: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Carrying ​ Fair Value ​ Value Level 1 Level 2 Level 3 Total Assets: ​ (dollars in thousands) Cash and cash equivalents ​ $ 257,095 ​ $ 257,095 ​ $ — ​ $ — ​ $ 257,095 CDs held for investment ​ ​ 3,330 ​ 3,330 ​ ​ — ​ ​ — ​ 3,330 AFS securities ​ 132,698 ​ — ​ 132,698 ​ — ​ 132,698 HTM securities ​ 14,516 ​ — ​ 15,094 ​ — ​ 15,094 LHFS ​ 50,124 ​ — ​ 50,124 ​ — ​ 50,124 Loans receivable, net ​ 613,377 ​ — ​ — ​ 618,858 ​ 618,858 Restricted stock investments ​ 970 ​ — ​ 970 ​ — ​ 970 Accrued interest receivable ​ 2,439 ​ — ​ 2,439 ​ — ​ 2,439 MSRs ​ 2,927 ​ — ​ — ​ 2,927 ​ 2,927 IRLCs ​ 781 ​ — ​ — ​ 781 ​ 781 Best effort forward contracts ​ 26 ​ — ​ 26 ​ — ​ 26 Mandatory forward contracts ​ 94 ​ — ​ 94 ​ — ​ 94 TBA securities ​ 1,465 ​ — ​ 1,465 ​ — ​ 1,465 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Deposits ​ 964,096 ​ — ​ 970,488 ​ — ​ 970,488 Accrued interest payable ​ 160 ​ — ​ 160 ​ — ​ 160 Borrowings ​ 10,000 ​ — ​ 10,273 ​ — ​ 10,273 Subordinated debentures ​ 20,619 ​ — ​ — ​ 16,276 ​ 16,276 Mandatory forward contracts ​ 1,061 ​ — ​ 1,061 ​ — ​ 1,061 TBA securities ​ 4 ​ — ​ 4 ​ — ​ 4 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Carrying ​ Fair Value ​ Value Level 1 Level 2 Level 3 Total Assets: ​ (dollars in thousands) Cash and cash equivalents ​ $ 156,609 ​ $ 156,609 ​ $ — ​ $ — ​ $ 156,609 CDs held for investment ​ ​ 3,580 ​ 3,580 ​ ​ — ​ ​ — ​ 3,580 AFS securities ​ 65,098 ​ — ​ 65,098 ​ — ​ 65,098 HTM securities ​ 15,943 ​ — ​ 16,603 ​ — ​ 16,603 LHFS ​ 36,299 ​ — ​ 36,299 ​ — ​ 36,299 Loans receivable, net ​ 634,212 ​ — ​ — ​ 639,597 ​ 639,597 Restricted stock investments ​ 1,236 ​ — ​ 1,236 ​ — ​ 1,236 Accrued interest receivable ​ 2,576 ​ — ​ 2,576 ​ — ​ 2,576 MSRs ​ 1,451 ​ — ​ — ​ 1,451 ​ 1,451 IRLCs ​ 1,128 ​ — ​ — ​ 1,128 ​ 1,128 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Deposits ​ 806,456 ​ — ​ 806,444 ​ — ​ 806,444 Accrued interest payable ​ 164 ​ — ​ 164 ​ — ​ 164 Borrowings ​ 10,000 ​ — ​ 10,313 ​ — ​ 10,313 Subordinated debentures ​ 20,619 ​ — ​ — ​ ​ 16,157 ​ 16,157 TBA securities ​ 557 ​ — ​ 557 ​ — ​ 557 ​ Limitations Fair value estimates are made at a specific point in time, based on relevant market information and information about financial instruments. These estimates do not reflect any premium or discount that could result from a one-time sale of our total holdings of a particular financial instrument. Because no market exists for a significant portion of our financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect estimates. The above information should not be interpreted as an estimate of the fair value of the Company since a fair value calculation is only provided for a limited portion of our assets and liabilities. Due to a wide range of valuation techniques and the degree of subjectivity used in making the estimates, comparisons between our disclosures and those of other companies may not be meaningful. There were no transfers between any of Levels 1, 2 and 3 for the three months ended March 31, 2021 or 2020 or for the year ended December 31, 2020.

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accounting and reporting policies of the Company conform to GAAP and prevailing practices within the financial services industry for interim financial information and Rule 8-03 of Regulation S-X. Accordingly, they do not include all of the information and notes required for complete financial statements and prevailing practices within the banking industry. In the opinion of management, all adjustments (comprising only of those of a normal recurring nature) necessary for a fair presentation of the results of operations for the interim periods presented have been made. The results of operations for the three months ended March 31, 2021 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2021 or any other interim or future period. Events occurring after the date of the financial statements up to the date the financial statements were available to be issued were considered in the preparation of the consolidated financial statements. These statements should be read in conjunction with the financial statements and accompanying notes included in the Company’s 2020 Annual Report on Form 10-K as filed with the SEC.
Principles of Consolidation	Principles of Consolidation The unaudited consolidated financial statements include the accounts of Severn Bancorp, Inc., and its wholly-owned subsidiaries, Mid-Maryland Title Company, Inc., SBI Mortgage Company, and Severn Savings Bank, FSB, along with the Bank’s subsidiaries, Homeowners Title and Escrow Corporation, Severn Financial Services Corporation, SSB Realty Holdings, LLC, SSB Realty Holdings II, LLC, and HS West, LLC. Also included are the accounts of SBI Mortgage Company’s subsidiary, Crownsville Development Corporation, and its subsidiary, Crownsville Holdings I, LLC. All intercompany accounts and transactions have been eliminated in the accompanying consolidated financial statements.
Use of Estimates	Use of Estimates The preparation of the financial statements requires management to exercise significant judgment or discretion or make significant assumptions and estimates based on the information available that have, or could have, a material impact on the carrying value of certain assets or on income. These estimates and assumptions affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the periods presented. The accounting policies we view as critical are those relating to the Allowance, the valuation of real estate acquired through foreclosure, and the valuation of deferred tax assets and liabilities.
Cash Flows	Cash Flows For reporting purposes, assets grouped in the Consolidated Statements of Financial Condition under the captions “Cash and due from banks” and “Federal funds sold and interest-bearing deposits in other banks” are considered cash or cash equivalents. For financial statement purposes, these assets are carried at cost. Federal funds sold and interest-bearing deposits in other banks generally have overnight maturities and are in excess of amounts that would be recoverable under FDIC insurance.
Reclassifications	Reclassifications Certain reclassifications have been made to amounts previously reported to conform to current period presentation.
Correction of Prior Period Immaterial Error	2020 Correction of Prior Period Immaterial Error As disclosed in the Company’s 2020 Annual Report on Form 10-K, during 2020, the Company corrected an immaterial accounting error related to $885,000 of DTAs related to NOLs recorded in years prior to 2020 by the holding company and which accumulated over the span of many years. As the holding company has not previously generated taxable income and continues to generate no taxable income, it has no ability to utilize the NOLs. To correct this immaterial accounting error, the Company recorded an adjustment to reduce 2019's opening retained earnings in the amount of $793,000 and additional tax expense of $92,000 (the amounts deemed applicable for 2019) for the year ended December 31, 2019. These adjustments then affected the beginning balances of March 31, 2020 retained earnings and total stockholders’ equity, both of which amounts are shown in this Quarterly Report on Form 10-Q reduced by $885,000 from the amounts previously stated.
COVID 19 Risks and Uncertainties	COVID-19 Risks and Uncertainties On March 11, 2020, the World Health Organization declared the outbreak of COVID-19 as a global pandemic, which continues to spread throughout the U.S. and around the world. The declaration of a global pandemic indicates that almost all public commerce and related business activities must be, to varying degrees, curtailed with the goal of decreasing the rate of new infections. The outbreak of COVID-19 has adversely impacted and could continue to adversely impact a broad range of industries in which the Company’s customers operate and impair their ability to fulfill their financial obligations to the Company. On March 3, 2020, the Federal Open Market Committee reduced the target federal funds rate by 50 basis points to a target range of 1.00% to 1.25%. This rate was further reduced to a target range of 0% to 0.25% on March 16, 2020. These reductions in interest rates and other effects of the COVID-19 outbreak has affected and may continue to adversely affect the Company’s financial condition and results of operations. As a result of the spread of COVID-19, economic uncertainties have arisen which could negatively impact net interest income, noninterest income, credit quality, the Allowance, and the provision for loan losses. Additionally, there could be a potential for goodwill impairment. Other financial impact could occur though such potential impact is unknown at this time. On May 12, 2021, the Governor of Maryland lifted all remaining COVID-19 related restrictions, with the exception of wearing masks indoors, effective May 15, 2021. On May 14, 2021, the Governor also lifted the mask mandate effective May 15, 2021.
Asset Sale	Asset Sale On January 1, 2021, we sold the majority of the assets of our real estate company, Hyatt Commercial, with the exception of cash and certain fixed assets. At the time of the sale, Hyatt Commercial had $1.6 million in assets, $1.1 million of which was in cash that stayed with the Company. The remainder of the net assets were sold for $334,000 and we realized a loss of approximately $34,000.
Proposed Merger with Shore Bancshares, Inc.	Proposed Merger with Shore Bancshares, Inc. ​ On March 3, 2021, the Company and Shore entered into an agreement and plan of merger that provides that the Company will merge with and into Shore, with Shore as the surviving corporation (the “Merger”). Following the Merger, the Bank will merge with and into Shore’s wholly-owned bank subsidiary, Shore United Bank, with Shore United Bank as the surviving bank (the “Bank Merger”). At the effective time of the Merger, each outstanding share of the Company’s common stock will be converted into the right to receive (i) 0.6207 shares of Shore common stock and (ii) $1.59 in cash, together with cash in lieu of fractional shares, if any. The merger consideration is 85% stock and 15% cash. ​ The completion of the Merger and the Bank Merger are subject to customary closing conditions, including approval by the Company’s stockholders, Shore’s stockholders and the receipt of regulatory approvals or waivers from the OCC and the Board of Governors of the Federal Reserve System. Prior to the completion of the Bank Merger, Shore United Bank must obtain the approval of the OCC to convert to a national banking association. The Merger is expected to be completed in the third quarter of 2021. ​
Recent Accounting Pronouncements	Recent Accounting Pronouncements ​ Pronouncements Adopted In December 2019, FASB issued ASU No. 2019-12, Simplifying the Accounting for Taxes In January 2020, FASB issued ASU No. 2020-01, , which clarifies the interaction between the three Topics. The standard was effective for fiscal years beginning after December 15, 2020. The adoption of ASU No. 2020-01 did not have a material impact on our financial position, results of operations, or cash flows. Pronouncements Issued In September 2016, FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses Financial Instruments – Credit Losses (Topic 326): Targeted Transition Relief Financial Instruments - Credit Losses - Measured at Amortized Costs. Financial Instruments - Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842): Effective Dates Financial Instruments - Credit Losses We have contracted with a third party vendor to assist in the transition to CECL. The Bank has purchased the third party vendor’s CECL software and has separately contracted with their advisory services group to help with the installation and transition. As the Bank has been using other software of this specific vendor, they have access to the Bank’s historical data. As the third party vendor has many financial institution clients, they will be able to provide peer group data to the extent the Bank’s data is not sufficient to make the many determinations required under CECL. We are continuing the process of determining appropriate loan pools and economic factors to be used for CECL calculations. Although the implementation of CECL has been delayed, the Bank is continuing with the implementation at a pace to ensure that we will be in position to completely transition to CECL by the required date. While we are still in the process of evaluating the impact of the amended guidance on our Consolidated Financial Statements, it is quite possible that the Allowance will increase upon adoption given that the Allowance will be required to cover the full remaining expected life of the portfolio upon adoption, rather than the incurred loss model under current GAAP. The extent of this increase is still being evaluated and will depend on economic conditions and the composition of our loan portfolio at the time of adoption. In November 2019, FASB issued ASU 2019-11, Codification Improvements to Topic 326, Financial Instruments - Credit Losses. ASU 2019-11 provides transition relief when adjusting the effective interest rate for TDRs that exist as of the adoption date, extends the disclosure relief in ASU 2019-04 to disclose accrued interest receivable balances separately from the amortized cost basis to additional disclosures involving amortized cost basis, and provides clarification regarding application of the guidance in paragraph 326-20-35-6 for financial assets secured by collateral maintenance provisions that provide a practical expedient to measure the estimate of expected credit losses by comparing the amortized cost basis of a financial asset and the fair value of collateral securing the financial asset as of the reporting date. The effective date and transition requirements for the amendment are the same as the effective date and transition requirements in ASU 2016-13.

Securities (Tables)

Securities (Tables)	3 Months Ended
	Mar. 31, 2021
Securities [Abstract]
Amortized cost and fair value of investment securities AFS	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Amortized Unrealized Unrealized ​ ​ ​ Cost ​ Gains ​ Losses ​ Fair Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 9,366 ​ $ 1 ​ $ 192 ​ $ 9,175 Corporate obligations ​ ​ 2,000 ​ ​ 21 ​ ​ — ​ ​ 2,021 MBS ​ ​ 123,953 ​ ​ 82 ​ ​ 2,533 ​ ​ 121,502 ​ ​ $ 135,319 ​ $ 104 ​ $ 2,725 ​ $ 132,698 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Amortized Unrealized Unrealized ​ ​ ​ Cost ​ Gains ​ Losses ​ Fair Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 6,640 ​ $ 45 ​ $ 25 ​ $ 6,660 Corporate obligations ​ ​ 2,000 ​ ​ 34 ​ ​ — ​ ​ 2,034 MBS ​ ​ 56,385 ​ ​ 339 ​ ​ 320 ​ ​ 56,404 ​ ​ $ 65,025 ​ $ 418 ​ $ 345 ​ $ 65,098
Amortized cost and fair value of investment securities held to maturity	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ Amortized Unrealized Unrealized Fair ​ ​ Cost ​ Gains ​ Losses ​ Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 1,987 ​ $ 130 ​ $ — ​ $ 2,117 MBS ​ 12,529 ​ 448 ​ — ​ 12,977 ​ ​ $ 14,516 ​ $ 578 ​ $ — ​ $ 15,094 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ Amortized Unrealized Unrealized Fair ​ ​ Cost ​ Gains ​ Losses ​ Value ​ ​ (dollars in thousands) U.S. government agency notes ​ $ 1,986 ​ $ 145 ​ $ — ​ $ 2,131 MBS ​ 13,957 ​ 515 ​ — ​ 14,472 ​ ​ $ 15,943 ​ $ 660 ​ $ — ​ $ 16,603
Schedule of AFS securities in an unrealized loss position	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ # of Fair Unrealized # of Fair Unrealized # of Fair Unrealized ​ ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ ​ (dollars in thousands) U.S. government agency notes ​ 8 ​ $ 9,056 ​ $ 192 ​ — ​ $ — ​ $ — ​ 8 ​ $ 9,056 ​ $ 192 MBS ​ 61 ​ 103,718 ​ 2,523 ​ 1 ​ 511 ​ 10 ​ 62 ​ 104,229 ​ ​ 2,533 ​ ​ 69 ​ $ 112,774 ​ $ 2,715 ​ 1 ​ $ 511 ​ $ 10 ​ 70 ​ $ 113,285 ​ $ 2,725 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ # of Fair Unrealized # of Fair Unrealized # of Fair Unrealized ​ ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ Securities ​ Value ​ Losses ​ ​ (dollars in thousands) U.S. government agency notes ​ 5 ​ $ 4,015 ​ $ 25 ​ — ​ $ — ​ $ — ​ 5 ​ $ 4,015 ​ $ 25 MBS ​ 27 ​ 27,454 ​ 320 ​ — ​ ​ — ​ ​ — ​ 27 ​ ​ 27,454 ​ ​ 320 ​ ​ 32 ​ $ 31,469 ​ $ 345 ​ — ​ $ — ​ $ — ​ 32 ​ $ 31,469 ​ $ 345
Amortized cost and estimated fair value of debt securities	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ AFS Securities ​ HTM Securities ​ Amortized Fair Amortized Fair ​ ​ Cost ​ Value ​ Cost ​ Value ​ ​ (dollars in thousands) Due after one through five years ​ $ 118 ​ $ 119 ​ $ 1,987 ​ $ 2,117 Due after five years through ten years ​ 7,874 ​ 7,815 ​ — ​ — Due after 10 years ​ ​ 3,374 ​ ​ 3,262 ​ ​ — ​ ​ — MBS ​ 123,953 ​ 121,502 ​ 12,529 ​ 12,977 ​ ​ $ 135,319 ​ $ 132,698 ​ $ 14,516 ​ $ 15,094

Loans Receivable and Allowance

Loans Receivable and Allowance (Tables)	3 Months Ended
	Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Summary of loans receivable	​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, ​ December 31, ​ ​ 2021 2020 ​ ​ (dollars in thousands) Residential mortgage ​ $ 186,591 ​ $ 209,659 Commercial ​ 74,617 ​ 63,842 Commercial real estate ​ 243,521 ​ 243,435 ADC ​ 103,487 ​ 112,938 Home equity/2nds ​ 15,173 ​ 14,712 Consumer ​ 1,565 ​ 1,485 Total loans receivable, before net unearned fees ​ 624,954 ​ 646,071 Unearned loan fees ​ (3,442) ​ (3,189) Loans receivable ​ $ 621,512 ​ $ 642,882
Changes in allowance and recorded investment	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2021 ​ Residential ​ Commercial ​ Home Equity/ ​ ​ ​ ​ Mortgage ​ Commercial ​ Real Estate ​ ADC ​ 2nds ​ Consumer ​ Unallocated ​ Total ​ ​ (dollars in thousands) Beginning Balance ​ $ 2,259 ​ $ 1,670 ​ $ 1,516 ​ $ 2,947 ​ $ 168 ​ $ — ​ $ 110 ​ $ 8,670 Charge-offs ​ — ​ — ​ — ​ (34) ​ — ​ — ​ — ​ (34) Recoveries ​ 65 ​ 5 ​ 174 ​ — ​ 4 ​ 1 ​ — ​ 249 Net recoveries (charge-offs) ​ 65 ​ 5 ​ 174 ​ (34) ​ 4 ​ 1 ​ — ​ 215 (Reversal of) provision for loan losses ​ (525) ​ ​ 105 ​ ​ (237) ​ ​ (208) ​ ​ 47 ​ (1) ​ 69 ​ (750) Ending Balance ​ $ 1,799 ​ $ 1,780 ​ $ 1,453 ​ $ 2,705 ​ $ 219 ​ $ — ​ $ 179 ​ $ 8,135 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending balance - individually evaluated for impairment ​ $ 226 ​ $ — ​ $ — ​ $ 29 ​ $ — ​ $ — ​ $ — ​ $ 255 Ending balance - collectively evaluated for impairment ​ 1,573 ​ ​ 1,780 ​ ​ 1,453 ​ ​ 2,676 ​ ​ 219 ​ ​ — ​ ​ 179 ​ 7,880 ​ ​ $ 1,799 ​ $ 1,780 ​ $ 1,453 ​ $ 2,705 ​ $ 219 ​ $ — ​ $ 179 ​ $ 8,135 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending loan balance -individually evaluated for impairment ​ $ 6,791 ​ $ — ​ $ 630 ​ $ 298 ​ $ 473 ​ $ 62 ​ ​ ​ ​ $ 8,254 Ending loan balance -collectively evaluated for impairment ​ 179,800 ​ 74,617 ​ 242,891 ​ 103,189 ​ 14,700 ​ 1,503 ​ ​ ​ ​ 616,700 ​ ​ $ 186,591 ​ $ 74,617 ​ $ 243,521 ​ $ 103,487 ​ $ 15,173 ​ $ 1,565 ​ ​ ​ ​ $ 624,954 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ Residential ​ Commercial ​ ​ Home Equity/ ​ ​ ​ ​ Mortgage ​ Commercial ​ Real Estate ​ ADC ​ 2nds ​ Consumer ​ Unallocated ​ Total ​ ​ (dollars in thousands) Ending balance - individually evaluated for impairment ​ $ 542 ​ $ — ​ $ — ​ $ 29 ​ $ — ​ $ — ​ $ — ​ $ 571 Ending balance - collectively evaluated for impairment ​ 1,717 ​ 1,670 ​ 1,516 ​ 2,918 ​ 168 ​ — ​ 110 ​ 8,099 ​ ​ $ 2,259 ​ $ 1,670 ​ $ 1,516 ​ $ 2,947 ​ $ 168 ​ $ — ​ $ 110 ​ $ 8,670 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending loan balance - individually evaluated for impairment ​ $ 10,131 ​ $ — ​ $ 547 ​ $ 308 ​ $ 491 ​ $ 63 ​ ​ ​ ​ $ 11,540 Ending loan balance - collectively evaluated for impairment ​ 199,528 ​ 63,842 ​ 242,888 ​ 112,630 ​ 14,221 ​ 1,422 ​ ​ ​ ​ 634,531 ​ ​ $ 209,659 ​ $ 63,842 ​ $ 243,435 ​ $ 112,938 ​ $ 14,712 ​ $ 1,485 ​ ​ ​ ​ $ 646,071 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2020 ​ Residential ​ Commercial ​ Home Equity/ ​ ​ ​ ​ ​ ​ ​ ​ Mortgage ​ Commercial ​ Real Estate ​ ADC ​ 2nds ​ Consumer ​ Unallocated ​ Total ​ ​ (dollars in thousands) Beginning Balance ​ $ 2,264 ​ $ 1,421 ​ $ 984 ​ $ 2,286 ​ $ 134 ​ $ — ​ $ 49 ​ $ 7,138 Charge-offs ​ — ​ — ​ — ​ — ​ — ​ (15) ​ — ​ (15) Recoveries ​ 3 ​ 5 ​ 32 ​ — ​ 2 ​ 3 ​ — ​ 45 Net recoveries (charge-offs) ​ 3 ​ 5 ​ 32 ​ — ​ 2 ​ (12) ​ — ​ 30 Provision for loan losses ​ 217 ​ ​ 139 ​ ​ 24 ​ ​ 329 ​ ​ 15 ​ 12 ​ 14 ​ 750 Ending Balance ​ $ 2,484 ​ $ 1,565 ​ $ 1,040 ​ $ 2,615 ​ $ 151 ​ $ — ​ $ 63 ​ $ 7,918 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending balance - individually evaluated for impairment ​ $ 742 ​ $ — ​ $ 62 ​ $ 29 ​ $ — ​ $ — ​ $ — ​ $ 833 Ending balance - collectively evaluated for impairment ​ 1,742 ​ 1,565 ​ 978 ​ 2,586 ​ 151 ​ — ​ 63 ​ 7,085 ​ ​ $ 2,484 ​ $ 1,565 ​ $ 1,040 ​ $ 2,615 ​ $ 151 ​ $ — ​ $ 63 ​ $ 7,918 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Ending loan balance - individually evaluated for impairment ​ $ 14,385 ​ $ — ​ $ 1,208 ​ $ 428 ​ $ 548 ​ $ 68 ​ ​ ​ ​ $ 16,637 Ending loan balance - collectively evaluated for impairment ​ 246,596 ​ 43,490 ​ 219,446 ​ 99,433 ​ 11,651 ​ 1,406 ​ ​ ​ ​ 622,022 ​ ​ $ 260,981 ​ $ 43,490 ​ $ 220,654 ​ $ 99,861 ​ $ 12,199 ​ $ 1,474 ​ ​ ​ ​ $ 638,659 ​
Credit quality breakdown of loan portfolio by class	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Special ​ ​ ​ Pass ​ Mention ​ Substandard ​ Total ​ (dollars in thousands) Residential mortgage ​ $ 185,245 ​ $ — ​ $ 1,346 $ 186,591 Commercial ​ 73,417 ​ 1,200 ​ — 74,617 Commercial real estate ​ 242,639 ​ 85 ​ 797 243,521 ADC ​ 103,044 ​ — ​ 443 103,487 Home equity/2nds ​ 15,076 ​ — ​ 97 15,173 Consumer ​ 1,565 ​ — ​ — 1,565 ​ ​ $ 620,986 ​ $ 1,285 ​ $ 2,683 $ 624,954 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Special ​ ​ ​ Pass ​ Mention ​ Substandard ​ Total ​ ​ (dollars in thousands) Residential mortgage ​ $ 205,225 ​ $ — ​ $ 4,434 ​ $ 209,659 Commercial ​ 62,642 ​ 1,200 ​ — ​ 63,842 Commercial real estate ​ 242,435 ​ 86 ​ 914 ​ 243,435 ADC ​ 112,479 ​ — ​ 459 ​ 112,938 Home equity/2nds ​ 14,606 ​ — ​ 106 ​ 14,712 Consumer ​ 1,485 ​ — ​ — ​ 1,485 ​ ​ $ 638,872 ​ $ 1,286 ​ $ 5,913 ​ $ 646,071
Classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Past Due ​ ​ ​ ​ ​ ​ ​ 30-59 ​ 60-89 ​ 90+ ​ ​ ​ ​ ​ ​ ​ Non- ​ Days Days Days Total Current Total Accrual ​ ​ (dollars in thousands) Residential mortgage ​ $ — ​ $ — ​ $ 331 ​ $ 331 ​ $ 186,260 ​ $ 186,591 ​ $ 910 Commercial ​ — ​ — ​ — ​ — ​ 74,617 ​ 74,617 ​ — Commercial real estate ​ — ​ — ​ 126 ​ 126 ​ 243,395 ​ 243,521 ​ 213 ADC ​ — ​ — ​ — ​ — ​ 103,487 ​ 103,487 ​ 54 Home equity/2nds ​ 59 ​ — ​ 97 ​ 156 ​ 15,017 ​ 15,173 ​ 106 Consumer ​ — ​ — ​ — ​ — ​ 1,565 ​ 1,565 ​ — ​ ​ $ 59 ​ $ — ​ $ 554 ​ $ 613 ​ $ 624,341 ​ $ 624,954 ​ $ 1,283 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Past Due ​ ​ ​ ​ ​ ​ ​ ​ 30-59 ​ 60-89 ​ 90+ ​ ​ ​ ​ ​ ​ ​ Non- ​ Days Days Days Total Current Total Accrual ​ (dollars in thousands) Residential mortgage ​ $ 674 ​ $ 213 ​ $ 3,393 ​ $ 4,280 ​ $ 205,379 ​ $ 209,659 ​ $ 4,080 Commercial ​ — ​ — ​ — ​ — ​ 63,842 ​ 63,842 ​ — Commercial real estate ​ 5 ​ 87 ​ 126 ​ 218 ​ 243,217 ​ 243,435 ​ 126 ADC ​ — ​ — ​ — ​ — ​ 112,938 ​ 112,938 ​ 60 Home equity/2nds ​ 60 ​ — ​ 106 ​ 166 ​ 14,546 ​ 14,712 ​ 114 Consumer ​ — ​ — ​ — ​ — ​ 1,485 ​ 1,485 ​ — ​ ​ $ 739 ​ $ 300 ​ $ 3,625 ​ $ 4,664 ​ $ 641,407 ​ $ 646,071 ​ $ 4,380
Summary of Impaired loans	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ December 31, 2020 ​ Unpaid ​ ​ Unpaid ​ ​ ​ Principal ​ Recorded ​ Related ​ Principal ​ Recorded ​ Related ​ ​ Balance ​ Investment ​ Allowance ​ Balance ​ Investment ​ Allowance With no related Allowance: ​ (dollars in thousands) Residential mortgage ​ $ 6,211 ​ $ 5,793 ​ $ — ​ $ 7,432 ​ $ 7,152 ​ $ — Commercial ​ — ​ — ​ — ​ — ​ — ​ — Commercial real estate ​ 631 ​ 630 ​ — ​ 548 ​ 547 ​ — ADC ​ 205 ​ 197 ​ — ​ 212 ​ 206 ​ — Home equity/2nds ​ 896 ​ 473 ​ — ​ 910 ​ 491 ​ — Consumer ​ 62 ​ 62 ​ — ​ 63 ​ 63 ​ — With a related Allowance: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 998 ​ 998 ​ 226 ​ 3,104 ​ 2,979 ​ 542 Commercial ​ — ​ — ​ — ​ — ​ — ​ — Commercial real estate ​ — ​ — ​ — ​ — ​ — ​ — ADC ​ 101 ​ 101 ​ 29 ​ 102 ​ 102 ​ 29 Home equity/2nds ​ — ​ — ​ — ​ — ​ — ​ — Consumer ​ — ​ — ​ — ​ — ​ — ​ — Totals: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 7,209 ​ 6,791 ​ 226 ​ 10,536 ​ 10,131 ​ 542 Commercial ​ — ​ — ​ — ​ — ​ — ​ — Commercial real estate ​ 631 ​ 630 ​ — ​ 548 ​ 547 ​ — ADC ​ 306 ​ 298 ​ 29 ​ 314 ​ 308 ​ 29 Home equity/2nds ​ 896 ​ 473 ​ — ​ 910 ​ 491 ​ — Consumer ​ 62 ​ 62 ​ — ​ 63 ​ 63 ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ ​ 2021 ​ 2020 ​ Average Interest Average Interest ​ ​ Recorded ​ Income ​ Recorded ​ Income ​ ​ Investment ​ Recognized ​ Investment ​ Recognized With no related Allowance: ​ (dollars in thousands) Residential mortgage ​ $ 5,848 ​ $ 83 ​ $ 9,648 ​ $ 89 Commercial ​ — ​ — ​ — ​ — Commercial real estate ​ 632 ​ 9 ​ 664 ​ 15 ADC ​ 200 ​ 3 ​ 235 ​ 5 Home equity/2nds ​ 292 ​ 7 ​ 553 ​ 6 Consumer ​ 63 ​ 1 ​ 82 ​ 1 With a related Allowance: ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 1,000 ​ 16 ​ 4,571 ​ 57 Commercial ​ — ​ — ​ — ​ — Commercial real estate ​ — ​ — ​ 549 ​ 8 ADC ​ 101 ​ 1 ​ 104 ​ 1 Home equity/2nds ​ — ​ — ​ — ​ — Consumer ​ — ​ — ​ 2 ​ 1 Totals: ​ ​ ​ ​ ​ ​ ​ ​ Residential mortgage ​ 6,848 ​ 99 ​ 14,219 ​ 146 Commercial ​ — ​ — ​ — ​ — Commercial real estate ​ 632 ​ 9 ​ 1,213 ​ 23 ADC ​ 301 ​ 4 ​ 339 ​ 6 Home equity/2nds ​ 292 ​ 7 ​ 553 ​ 6 Consumer ​ 63 ​ 1 ​ 84 ​ 2 ​ ​
Schedule of Troubled Debt Restructure Loans	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ ​ ​ ​ Total Total ​ ​ Number of ​ Accrual ​ Number of ​ Nonaccrual ​ Number of ​ Balance of ​ ​ Modifications ​ Status ​ Modifications ​ Status ​ Modifications ​ Modifications ​ ​ (dollars in thousands) Residential mortgage 21 ​ $ 5,618 2 ​ $ 159 23 ​ $ 5,777 Commercial real estate 1 ​ 417 — ​ — 1 ​ 417 ADC 1 ​ 127 — ​ — 1 ​ 127 Home equity/2nds ​ 1 ​ ​ 187 ​ — ​ — ​ 1 ​ 187 Consumer 1 ​ 62 — ​ — 1 ​ 62 ​ 25 ​ $ 6,411 2 ​ $ 159 27 ​ $ 6,570 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ ​ ​ ​ Total Total ​ ​ Number of ​ Accrual ​ Number of ​ Nonaccrual ​ Number of ​ Balance of ​ ​ Modifications ​ Status ​ Modifications ​ Status ​ Modifications ​ Modifications ​ ​ (dollars in thousands) Residential mortgage 22 ​ $ 5,787 2 ​ $ 163 24 ​ $ 5,950 Commercial real estate 1 ​ 421 — ​ — 1 ​ 421 ADC 1 ​ 128 — ​ — 1 ​ 128 Home equity/2nds ​ 1 ​ ​ 190 ​ — ​ — ​ 1 ​ 190 Consumer 1 ​ 63 — ​ — 1 ​ 63 ​ 26 ​ $ 6,589 2 ​ $ 163 28 ​ $ 6,752

Regulatory Matters (Tables)

Regulatory Matters (Tables)	3 Months Ended
	Mar. 31, 2021
Regulatory Matters [Abstract]
Bank's actual capital amounts and ratios	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ To be Well ​ ​ ​ ​ ​ ​ Capitalized Under ​ ​ ​ ​ ​ ​ Prompt Corrective ​ ​ Actual ​ ​ ​ Action Provision ​ Amount Ratio Amount Ratio March 31, 2021 ​ (dollars in thousands) ​ Community bank leverage ratio ​ $ 125,768 12.1 % 88,419 8.5 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Community bank leverage ratio ​ $ 122,196 13.7 % 71,495 8.0 %

Earnings Per Share (Tables)

Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Earnings per share calculation	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ 2021 2020 ​ ​ (dollars in thousands, except for per share data) Weighted-average shares outstanding - basic ​ 12,847,418 ​ 12,812,642 Dilution ​ 54,067 ​ 37,499 Weighted-average share outstanding - diluted ​ 12,901,485 ​ 12,850,141 ​ ​ ​ ​ ​ ​ ​ Net income ​ $ 3,911 ​ $ 565 Net income per share - basic ​ $ 0.30 ​ $ 0.04 Net income per share - diluted ​ $ 0.30 ​ $ 0.04

Stock-based Compensation (Table

Stock-based Compensation (Tables)	3 Months Ended
	Mar. 31, 2021
Stock-Based Compensation [Abstract]
Information regarding stock option plan	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2021 ​ 2020 ​ ​ ​ Weighted- ​ ​ ​ Weighted- ​ ​ ​ ​ Weighted- ​ Average ​ Aggregate ​ ​ ​ Weighted- ​ Average ​ Aggregate ​ ​ ​ ​ Average ​ Remaining ​ Intrinsic ​ ​ ​ Average ​ Remaining ​ Intrinsic ​ ​ Number ​ Exercise ​ Contractual ​ Value ​ Number ​ Exercise ​ Contractual ​ Value ​ ​ of Shares ​ Price ​ Term (in years) ​ (in thousands) ​ of Shares ​ Price ​ Term (in years) ​ (in thousands) Outstanding at beginning of period 220,250 ​ $ 6.89 ​ 234,173 ​ $ 6.60 ​ Granted — ​ — ​ 10,500 ​ 8.26 ​ Exercised (13,640) ​ 6.28 $ 79 (2,050) ​ 6.78 $ — Outstanding at end of period 206,610 ​ $ 6.93 1.2 ​ $ 1,069 242,623 ​ $ 6.67 2.7 ​ $ 69 Exercisable at end of period 155,306 ​ $ 6.78 0.8 ​ $ 827 159,884 ​ $ 6.37 2.3 ​ $ 69
Stock options valuation assumptions	​ ​ ​ ​ ​ ​ Expected life ​ 5.5 years Risk-free interest rate ​ ​ 0.95 % Expected volatility ​ ​ 27.83 % Expected dividend yield ​ $ 1.95 Weighted average per share fair value of options granted ​ $ 1.75 ​

Commitments and Contingencies (

Commitments and Contingencies (Tables)	3 Months Ended
	Mar. 31, 2021
Commitments and Contingencies
Contract amounts for off-balance sheet instruments	​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ December 31, 2020 ​ ​ (dollars in thousands) Standby letters of credit ​ $ 2,804 ​ $ 3,251 Home equity lines of credit ​ 18,678 ​ 17,005 Unadvanced construction commitments ​ 84,866 ​ 74,626 Lines of credit ​ 30,510 ​ 30,190 Loans sold and serviced with limited repurchase provisions ​ 38,877 ​ 41,800

Derivatives (Tables)

Derivatives (Tables)	3 Months Ended
	Mar. 31, 2021
Derivatives
Schedule of carrying amounts of our derivative financial instruments	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ December 31, 2020 ​ ​ Notional ​ Estimated ​ Notional ​ Estimated ​ Amount Fair Value Amount Fair Value ​ (dollars in thousands) Asset - IRLCs ​ $ 46,317 ​ $ 781 ​ $ 44,243 ​ $ 1,128 Asset - mandatory forward contracts ​ 17,553 ​ ​ 94 ​ ​ — ​ ​ — Asset - TBA securities ​ ​ 78,000 ​ ​ 1,465 ​ ​ — ​ ​ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Liability - mandatory forward contracts ​ $ 67,928 ​ $ 1,061 ​ $ — ​ $ — Liability - TBA securities ​ ​ 2,500 ​ ​ 4 ​ ​ 79,500 ​ ​ 557

Segments (Tables)

Segments (Tables)	3 Months Ended
	Mar. 31, 2021
Segments
Schedule of information regarding our business segments	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2021 ​ ​ Commercial and ​ Mortgage- ​ ​ ​ Consumer Banking Banking Total ​ ​ (dollars in thousands) Interest income ​ $ 8,354 ​ $ 255 ​ $ 8,609 Interest expense ​ ​ (912) ​ ​ (39) ​ ​ (951) Net interest income ​ 7,442 ​ 216 ​ 7,658 Reversal of provision for loan losses ​ 750 ​ — ​ 750 Net interest income after reversal of provision for loan losses ​ 8,192 ​ 216 ​ 8,408 Noninterest income ​ 1,363 ​ 4,396 ​ 5,759 Noninterest expense ​ (6,562) ​ (2,244) ​ (8,806) Net income before income taxes ​ ​ 2,993 ​ ​ 2,368 ​ ​ 5,361 Income tax provision ​ (798) ​ (652) ​ (1,450) Net income ​ $ 2,195 ​ $ 1,716 ​ $ 3,911 Total Assets ​ $ 1,062,845 ​ $ 50,124 ​ $ 1,112,969 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2020 ​ ​ Commercial and ​ Mortgage- ​ ​ ​ Consumer Banking Banking Total ​ ​ (dollars in thousands) Interest income ​ $ 8,785 ​ $ 131 ​ $ 8,916 Interest expense ​ ​ (2,117) ​ ​ (44) ​ ​ (2,161) Net interest income ​ 6,668 ​ 87 ​ 6,755 Provision for loan losses ​ (750) ​ — ​ (750) Net interest income after provision for loan losses ​ 5,918 ​ 87 ​ 6,005 Noninterest income ​ 1,391 ​ 1,634 ​ 3,025 Noninterest expense ​ (7,189) ​ (1,063) ​ (8,252) Net income before income taxes ​ ​ 120 ​ ​ 658 ​ ​ 778 Income tax provision ​ (32) ​ (181) ​ (213) Net income ​ $ 88 ​ $ 477 ​ $ 565 Total Assets ​ $ 834,474 ​ $ 21,996 ​ $ 856,470

Fair Value (Tables)

Fair Value (Tables)	3 Months Ended
	Mar. 31, 2021
Fair Value of Financial Instruments
Schedule of fair value measurements for assets and liabilities on a recurring basis	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ ​ Other ​ Significant ​ Total Changes ​ ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ In Fair Values ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Included In ​ ​ Value ​ (Level 1) ​ (Level 2) ​ (Level 3) ​ Period Income Assets: ​ (dollars in thousands) AFS securities - U.S. government agency notes ​ $ 9,175 ​ $ — ​ $ 9,175 ​ $ — ​ $ — AFS securities - corporate obligations ​ ​ 2,021 ​ ​ — ​ ​ 2,021 ​ ​ — ​ ​ — AFS securities - MBS ​ ​ 121,502 ​ ​ — ​ ​ 121,502 ​ ​ — ​ ​ — LHFS ​ 50,124 ​ — ​ 50,124 ​ — ​ 305 MSRs ​ 2,927 ​ — ​ — ​ 2,927 ​ 826 IRLCs ​ 781 ​ — ​ — ​ 781 ​ (347) Best efforts forward contracts ​ 26 ​ — ​ 26 ​ — ​ 25 Mandatory forward contracts ​ 94 ​ — ​ 94 ​ — ​ (736) TBA securities ​ ​ 1,465 ​ ​ — ​ 1,465 ​ — ​ ​ 1,465 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Mandatory forward contracts ​ 1,061 ​ — ​ 1,061 ​ — ​ 1,055 TBA securities ​ 4 ​ — ​ 4 ​ — ​ 553 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ Other ​ Significant ​ Total Changes ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ In Fair Values ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Included In ​ ​ Value ​ (Level 1) ​ (Level 2) ​ (Level 3) ​ Period Income Assets: ​ (dollars in thousands) AFS securities - U.S. government agency notes ​ ​ 6,660 ​ $ — ​ $ 6,660 ​ $ — ​ $ — AFS securities - corporate obligations ​ ​ 2,034 ​ ​ — ​ ​ 2,034 ​ ​ — ​ ​ — AFS securities - MBS ​ ​ 56,404 ​ ​ — ​ ​ 56,404 ​ ​ — ​ ​ — LHFS ​ 36,299 ​ — ​ 36,299 ​ — ​ 323 MSRs ​ 1,451 ​ — ​ — ​ 1,451 ​ (1,013) IRLCs ​ 1,128 ​ — ​ — ​ 1,128 ​ 949 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ TBA securities ​ 557 ​ — ​ 557 ​ — ​ (557)
Schedule of additional quantitative information about assets measured at fair value on a recurring basis	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Fair Value Valuation ​ Range ​ ​ Estimate ​ Technique ​ Unobservable Input ​ (Weighted-Average) March 31, 2021: ​ (dollars in thousands) ​ ​ ​ ​ ​ MSRs ​ $ 2,927 Market Approach Weighted average prepayment speed 155 % IRLCs - net asset ​ ​ 781 ​ Market Approach ​ Range of pull through rate ​ 78% - 100 % ​ ​ ​ ​ ​ ​ ​ Average pull through rate ​ 97 % ​ ​ December 31, 2020: ​ ​ MSRs ​ $ 1,451 Market Approach Weighted average prepayment speed 326 % IRLCs - net asset ​ ​ 1,128 Market Approach Range of pull through rate ​ 77% - 100 % ​ ​ ​ ​ ​ ​ ​ Average pull through rate ​ 93 % (1) The weighted average was calculated with reference to the principal balance of the underlying mortgages.
Schedule of activity of servicing assets at fair value	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ 2021 2020 ​ ​ (dollars in thousands) Beginning balance ​ $ 1,451 ​ $ 323 Additions ​ ​ 650 ​ ​ — Valuation adjustment ​ ​ 826 ​ ​ (83) Ending balance ​ $ 2,927 ​ $ 240
Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, ​ 2021 2020 ​ ​ (dollars in thousands) Beginning balance ​ $ 1,128 ​ $ 179 Valuation adjustment ​ ​ (347) ​ ​ (240) Ending balance ​ $ 781 ​ $ (61)
Schedule of assets measured at fair value on a nonrecurring basis	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Other ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ ​ ​ ​ ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Range of ​ Weighted ​ Value (Level 1) (Level 2) (Level 3) Discount Average ​ ​ (dollars in thousands) ​ ​ ​ ​ ​ Impaired loans ​ $ 844 ​ $ — ​ $ — ​ $ 844 12% - 14% ​ 12 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ ​ ​ ​ ​ ​ ​ ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Other ​ Significant ​ ​ ​ ​ ​ ​ ​ ​ ​ Quoted ​ Observable ​ Unobservable ​ ​ ​ ​ ​ ​ Carrying ​ Prices ​ Inputs ​ Inputs ​ Range of ​ Weighted ​ Value (Level 1) (Level 2) (Level 3) Discount Average ​ ​ (dollars in thousands) ​ ​ ​ ​ ​ Impaired loans ​ $ 2,510 ​ $ — ​ $ — ​ $ 2,510 0% - 14% ​ 9 % (1) Discount based on current market conditions and estimated selling costs (2) Inputs are weighted based on the relative fair values of the instruments
Estimated fair values of financial instruments	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2021 ​ ​ Carrying ​ Fair Value ​ Value Level 1 Level 2 Level 3 Total Assets: ​ (dollars in thousands) Cash and cash equivalents ​ $ 257,095 ​ $ 257,095 ​ $ — ​ $ — ​ $ 257,095 CDs held for investment ​ ​ 3,330 ​ 3,330 ​ ​ — ​ ​ — ​ 3,330 AFS securities ​ 132,698 ​ — ​ 132,698 ​ — ​ 132,698 HTM securities ​ 14,516 ​ — ​ 15,094 ​ — ​ 15,094 LHFS ​ 50,124 ​ — ​ 50,124 ​ — ​ 50,124 Loans receivable, net ​ 613,377 ​ — ​ — ​ 618,858 ​ 618,858 Restricted stock investments ​ 970 ​ — ​ 970 ​ — ​ 970 Accrued interest receivable ​ 2,439 ​ — ​ 2,439 ​ — ​ 2,439 MSRs ​ 2,927 ​ — ​ — ​ 2,927 ​ 2,927 IRLCs ​ 781 ​ — ​ — ​ 781 ​ 781 Best effort forward contracts ​ 26 ​ — ​ 26 ​ — ​ 26 Mandatory forward contracts ​ 94 ​ — ​ 94 ​ — ​ 94 TBA securities ​ 1,465 ​ — ​ 1,465 ​ — ​ 1,465 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Deposits ​ 964,096 ​ — ​ 970,488 ​ — ​ 970,488 Accrued interest payable ​ 160 ​ — ​ 160 ​ — ​ 160 Borrowings ​ 10,000 ​ — ​ 10,273 ​ — ​ 10,273 Subordinated debentures ​ 20,619 ​ — ​ — ​ 16,276 ​ 16,276 Mandatory forward contracts ​ 1,061 ​ — ​ 1,061 ​ — ​ 1,061 TBA securities ​ 4 ​ — ​ 4 ​ — ​ 4 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2020 ​ ​ Carrying ​ Fair Value ​ Value Level 1 Level 2 Level 3 Total Assets: ​ (dollars in thousands) Cash and cash equivalents ​ $ 156,609 ​ $ 156,609 ​ $ — ​ $ — ​ $ 156,609 CDs held for investment ​ ​ 3,580 ​ 3,580 ​ ​ — ​ ​ — ​ 3,580 AFS securities ​ 65,098 ​ — ​ 65,098 ​ — ​ 65,098 HTM securities ​ 15,943 ​ — ​ 16,603 ​ — ​ 16,603 LHFS ​ 36,299 ​ — ​ 36,299 ​ — ​ 36,299 Loans receivable, net ​ 634,212 ​ — ​ — ​ 639,597 ​ 639,597 Restricted stock investments ​ 1,236 ​ — ​ 1,236 ​ — ​ 1,236 Accrued interest receivable ​ 2,576 ​ — ​ 2,576 ​ — ​ 2,576 MSRs ​ 1,451 ​ — ​ — ​ 1,451 ​ 1,451 IRLCs ​ 1,128 ​ — ​ — ​ 1,128 ​ 1,128 Liabilities: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Deposits ​ 806,456 ​ — ​ 806,444 ​ — ​ 806,444 Accrued interest payable ​ 164 ​ — ​ 164 ​ — ​ 164 Borrowings ​ 10,000 ​ — ​ 10,313 ​ — ​ 10,313 Subordinated debentures ​ 20,619 ​ — ​ — ​ ​ 16,157 ​ 16,157 TBA securities ​ 557 ​ — ​ 557 ​ — ​ 557

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Details) - USD ($)	Mar. 03, 2021	Jan. 01, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2018
Prior Period Adjustment
Assets			$ 1,112,969,000	$ 856,470,000		$ 952,553,000
Retained earnings			46,485,000			43,216,000
Stockholders' Equity			111,073,000	104,836,000	$ 104,587,000	109,647,000
Liabilities and Equity			1,112,969,000			$ 952,553,000
Income tax provision			1,450,000	213,000
Net income			3,911,000	565,000
Business Combinations [Abstract]
Proceeds from sale			334,000	0
Loss on sale of Hyatt Commercial assets			34,000	0
Advertising Costs
Advertising Expense			$ 198,000	$ 220,000
Residential Mortgage [Member]
Loans Receivable
Maximum percentage of lending of appraised value of property			80.00%
Shore [Member] | Scenario, Plan [Member]
Business Combinations [Abstract]
Shares received in merger per share tendered	0.6207
Cash received in merger per share tendered	$ 1.59
Consideration, portion as equity	85.00%
Consideration, portion as cash	15.00%
Discontinued Operations, Disposed of by Sale [Member] | Louis Hyatt [Member]
Business Combinations [Abstract]
Assets at sale date		$ 1,600,000
Cash that stayed with the Company		1,100,000
Proceeds from sale		334,000
Loss on sale of Hyatt Commercial assets		$ 34,000
Adjustment
Prior Period Adjustment
Deferred tax assets					(885,000)
Retained earnings							$ (793,000)
Stockholders' Equity					(885,000)
Income tax provision					$ 92,000

Securities - AFS cost to fv (De

Securities - AFS cost to fv (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Abstract]
Amortized Cost - AFS	$ 135,319	$ 65,025
Unrealized Gains - AFS	104	418
Unrealized Losses - AFS	2,725	345
Fair Value - AFS	132,698	65,098
U.S. Government Agency Notes [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost - AFS	9,366	6,640
Unrealized Gains - AFS	1	45
Unrealized Losses - AFS	192	25
Fair Value - AFS	9,175	6,660
Corporate Debt Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost - AFS	2,000	2,000
Unrealized Gains - AFS	21	34
Unrealized Losses - AFS		0
Fair Value - AFS	2,021	2,034
Mortgage-backed Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost - AFS	123,953	56,385
Unrealized Gains - AFS	82	339
Unrealized Losses - AFS	2,533	320
Fair Value - AFS	$ 121,502	$ 56,404

Securities - HTM cost to fv (De

Securities - HTM cost to fv (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Amortized Cost - HTM	$ 14,516	$ 15,943
Unrealized Gains - HTM	578	660
Unrealized Losses - HTM	0	0
Fair Value - HTM	15,094	16,603
U.S. Government Agency Notes [Member]
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Amortized Cost - HTM	1,987	1,986
Unrealized Gains - HTM	130	145
Unrealized Losses - HTM	0	0
Fair Value - HTM	2,117	2,131
Mortgage-backed Securities [Member]
Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract]
Amortized Cost - HTM	12,529	13,957
Unrealized Gains - HTM	448	515
Unrealized Losses - HTM	0	0
Fair Value - HTM	$ 12,977	$ 14,472

Securities - AFS unrealized los

Securities - AFS unrealized loss position (Details) $ in Thousands	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)security
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months Securities	69	32
12 months or more securities	1
Total Securities	70	32
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 Months, Fair Value	$ 112,774	$ 31,469
12 Months or More, Fair Value	511
Total, Estimated Fair Value	113,285	31,469
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 Months, Unrealized Losses	2,715	345
12 Months or More, Unrealized Losses	10
Total, Unrealized Losses	$ 2,725	$ 345
U.S. Government Agency Notes [Member]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months Securities	8	5
12 months or more securities	0
Total Securities	8	5
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 Months, Fair Value	$ 9,056	$ 4,015
12 Months or More, Fair Value	0
Total, Estimated Fair Value	9,056	4,015
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 Months, Unrealized Losses	192	25
12 Months or More, Unrealized Losses	0
Total, Unrealized Losses	$ 192	$ 25
Mortgage-backed Securities [Member]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Number of Positions [Abstract]
Less than 12 months Securities	61	27
12 months or more securities	1
Total Securities	62	27
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 Months, Fair Value	$ 103,718	$ 27,454
12 Months or More, Fair Value	511
Total, Estimated Fair Value	104,229	27,454
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 Months, Unrealized Losses	2,523	320
12 Months or More, Unrealized Losses	10
Total, Unrealized Losses	$ 2,533	$ 320

Securities - Contractual Maturi

Securities - Contractual Maturities, etc. (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
AFS Securities, Amortized Cost
Due after one through five years	$ 118,000
Due after five years through ten years	7,874,000
Due after 10 years	3,374,000
Mortgage-backed securities	123,953,000
Amortized Cost	135,319,000		$ 65,025,000
AFS Securities, Fair Value
Due after one through five years	119,000
Due after five years through ten years	7,815,000
Due after 10 years	3,262,000
Mortgage-backed securities	121,502,000
Fair Value - AFS	132,698,000		65,098,000
HTM Securities, Amortized Cost
Due after one through five years	1,987,000
Due after five years through ten years	0
Mortgage-backed securities	12,529,000
Amortized Cost	14,516,000		15,943,000
HTM Securities, Fair Value
Due after one through five years	2,117,000
Due after five years through ten years	0
Mortgage-backed securities	12,977,000
Fair Value - HTM	15,094,000		16,603,000
Sales	4,451,000	$ 0
Gross recognized gain on sale	35,000
Gross recognized loss on sale	40,000
Securities pledged as collateral for borrowings	$ 2,900,000		$ 3,100,000

Loans Receivable and Allowanc_2

Loans Receivable and Allowance - Loans Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 624,954	$ 646,071	$ 638,659
Unearned loan fees	(3,442)	(3,189)
Loans receivable	621,512	642,882
Loans Pledged as Collateral	123,500
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans Serviced	215,400	159,800
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage Loans Serviced	42,600	36,900
Mortgage Servicing Rights [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
MSRs	2,927	1,451
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	186,591	209,659	260,981
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	74,617	63,842	43,490
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	243,521	243,435	220,654
Construction, Land Acquisition and Development Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	103,487	112,938	99,861
Home Equity/2nds Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	15,173	14,712	12,199
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 1,565	$ 1,485	$ 1,474

Loans Receivable and Allowanc_3

Loans Receivable and Allowance - Credit (Details)	3 Months Ended
	Mar. 31, 2021USD ($)item	Dec. 31, 2020USD ($)	Mar. 31, 2020USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 624,954,000	$ 646,071,000	$ 638,659,000
Financing Receivable, Modifications, Cares Act	12,400,000
Financing Receivable, Interest Only Deferred Payments	117,000
Financing Receivable, Interest Recorded but not Collected, Recorded Investment	$ 10,500,000
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan to value ratio	80.00%
Loans and Leases Receivable, Gross	$ 186,591,000	209,659,000	260,981,000
Residential Mortgage [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of dwelling units | item	1
Residential Mortgage [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of dwelling units | item	4
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 74,617,000	63,842,000	43,490,000
Commercial [Member] | SBA CARES Act Paycheck Protection Program [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	39,000,000
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	1,565,000	1,485,000	1,474,000
Home Equity/2nds Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross	$ 15,173,000	$ 14,712,000	$ 12,199,000
Home Equity/2nds Portfolio Segment [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of dwelling units | item	1
Home Equity/2nds Portfolio Segment [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of dwelling units | item	4

Loans Receivable and Allowanc_4

Loans Receivable and Allowance - Changes in the Allowance and Recorded Investment in Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 8,670	$ 7,138
Charge-offs	(34)	(15)
Recoveries	249	45
Net recoveries (charge-offs)	215	30
(Reversal of) provision for loan losses	(750)	750
Ending Balance	8,135	7,918
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment			$ 255	$ 571	$ 833
Ending balance - collectively evaluated for impairment			7,880	8,099	7,085
Allowance for loans losses	8,670	7,918	8,135	8,670	7,918
Ending loan balance -individually evaluated for impairment			8,254	11,540	16,637
Ending loan balance -collectively evaluated for impairment			616,700	634,531	622,022
Loans receivable			624,954	646,071	638,659
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,259	2,264
Recoveries	65	3
Net recoveries (charge-offs)	65	3
(Reversal of) provision for loan losses	(525)	217
Ending Balance	1,799	2,484
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment			226	542	742
Ending balance - collectively evaluated for impairment			1,573	1,717	1,742
Allowance for loans losses	1,799	2,484	1,799	2,259	2,484
Ending loan balance -individually evaluated for impairment			6,791	10,131	14,385
Ending loan balance -collectively evaluated for impairment			179,800	199,528	246,596
Loans receivable			186,591	209,659	260,981
Commercial [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,670	1,421
Charge-offs	0
Recoveries	5	5
Net recoveries (charge-offs)	5	5
(Reversal of) provision for loan losses	105	139
Ending Balance	1,780	1,565
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment			0
Ending balance - collectively evaluated for impairment			1,780	1,670	1,565
Allowance for loans losses	1,780	1,565	1,780	1,670	1,565
Ending loan balance -individually evaluated for impairment			0
Ending loan balance -collectively evaluated for impairment			74,617	63,842	43,490
Loans receivable			74,617	63,842	43,490
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,516	984
Recoveries	174	32
Net recoveries (charge-offs)	174	32
(Reversal of) provision for loan losses	(237)	24
Ending Balance	1,453	1,040
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment					62
Ending balance - collectively evaluated for impairment			1,453	1,516	978
Allowance for loans losses	1,453	1,040	1,453	1,516	1,040
Ending loan balance -individually evaluated for impairment			630	547	1,208
Ending loan balance -collectively evaluated for impairment			242,891	242,888	219,446
Loans receivable			243,521	243,435	220,654
Construction, Land Acquisition and Development Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,947	2,286
Charge-offs	(34)
Recoveries	0
Net recoveries (charge-offs)	(34)
(Reversal of) provision for loan losses	(208)	329
Ending Balance	2,705	2,615
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment			29	29	29
Ending balance - collectively evaluated for impairment			2,676	2,918	2,586
Allowance for loans losses	2,705	2,615	2,705	2,947	2,615
Ending loan balance -individually evaluated for impairment			298	308	428
Ending loan balance -collectively evaluated for impairment			103,189	112,630	99,433
Loans receivable			103,487	112,938	99,861
Home Equity/2nds Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	168	134
Charge-offs	0
Recoveries	4	2
Net recoveries (charge-offs)	4	2
(Reversal of) provision for loan losses	47	15
Ending Balance	219	151
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment			0
Ending balance - collectively evaluated for impairment			219	168	151
Allowance for loans losses	219	151	219	168	151
Ending loan balance -individually evaluated for impairment			473	491	548
Ending loan balance -collectively evaluated for impairment			14,700	14,221	11,651
Loans receivable			15,173	14,712	12,199
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	0
Charge-offs	0	(15)
Recoveries	1	3
Net recoveries (charge-offs)	1	(12)
(Reversal of) provision for loan losses	(1)	12
Ending Balance	0
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment			0
Ending balance - collectively evaluated for impairment			0
Allowance for loans losses	0		0	0
Ending loan balance -individually evaluated for impairment			62	63	68
Ending loan balance -collectively evaluated for impairment			1,503	1,422	1,406
Loans receivable			1,565	1,485	1,474
Unallocated Financing Receivables [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	110	49
Charge-offs	0
Recoveries	0
Net recoveries (charge-offs)	0
(Reversal of) provision for loan losses	69	14
Ending Balance	179	63
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Ending balance - individually evaluated for impairment			0
Ending balance - collectively evaluated for impairment			179	110	63
Allowance for loans losses	$ 179	$ 63	$ 179	$ 110	$ 63

Loans Receivable and Allowanc_5

Loans Receivable and Allowance - Credit Quality Breakdown of Loan Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 624,954	$ 646,071	$ 638,659
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	620,986	638,872
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,285	1,286
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	2,683	5,913
Residential Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	186,591	209,659	260,981
Residential Mortgage [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	185,245	205,225
Residential Mortgage [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Residential Mortgage [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,346	4,434
Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	74,617	63,842	43,490
Commercial [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	73,417	62,642
Commercial [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,200	1,200
Commercial [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	243,521	243,435	220,654
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	242,639	242,435
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	85	86
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	797	914
Construction, Land Acquisition and Development Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	103,487	112,938	99,861
Construction, Land Acquisition and Development Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	103,044	112,479
Construction, Land Acquisition and Development Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Construction, Land Acquisition and Development Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	443	459
Home Equity/2nds Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	15,173	14,712	12,199
Home Equity/2nds Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	15,076	14,606
Home Equity/2nds Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Home Equity/2nds Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	97	106
Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,565	1,485	$ 1,474
Consumer Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,565	1,485
Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 0	$ 0

Loans Receivable and Allowanc_6

Loans Receivable and Allowance - Classes by Aging Categories (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	$ 613,000		$ 4,664,000
Loans receivable, current	624,341,000		641,407,000
Loans receivable	624,954,000	$ 638,659,000	646,071,000
Loans receivable, nonaccrual	1,283,000		4,380,000
Financing Receivable, 90 Days or More Past Due, Still Accruing	0		0
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	151,000	467,000
Loans and Leases Receivable, Impaired, Interest Income Recorded on Nonaccrual Loans	31,000	60,000
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	59,000		739,000
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		300,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	554,000		3,625,000
Residential Mortgage [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	331,000		4,280,000
Loans receivable, current	186,260,000		205,379,000
Loans receivable	186,591,000	260,981,000	209,659,000
Loans receivable, nonaccrual	910,000		4,080,000
Residential Mortgage [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		674,000
Residential Mortgage [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		213,000
Residential Mortgage [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	331,000		3,393,000
Commercial [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Loans receivable, current	74,617,000		63,842,000
Loans receivable	74,617,000	43,490,000	63,842,000
Loans receivable, nonaccrual	0		0
Commercial [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Commercial [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Commercial Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	126,000		218,000
Loans receivable, current	243,395,000		243,217,000
Loans receivable	243,521,000	220,654,000	243,435,000
Loans receivable, nonaccrual	213,000		126,000
Commercial Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		5,000
Commercial Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		87,000
Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	126,000		126,000
Construction, Land Acquisition and Development Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Loans receivable, current	103,487,000		112,938,000
Loans receivable	103,487,000	99,861,000	112,938,000
Loans receivable, nonaccrual	54,000		60,000
Construction, Land Acquisition and Development Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Construction, Land Acquisition and Development Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Construction, Land Acquisition and Development Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Home Equity/2nds Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	156,000		166,000
Loans receivable, current	15,017,000		14,546,000
Loans receivable	15,173,000	12,199,000	14,712,000
Loans receivable, nonaccrual	106,000		114,000
Home Equity/2nds Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	59,000		60,000
Home Equity/2nds Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Home Equity/2nds Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	97,000		106,000
Consumer Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Loans receivable, current	1,565,000		1,485,000
Loans receivable	1,565,000	$ 1,474,000	1,485,000
Loans receivable, nonaccrual	0		0
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	0		0
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable, past due	$ 0		$ 0

Loans Receivable and Allowances

Loans Receivable and Allowances - Impaired Loans (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Financing Receivable, Impaired [Line Items]
Real estate acquired through foreclosure	$ 1,010,000		$ 1,010,000
Residential Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance, with no related allowance	6,211,000		7,432,000
Recorded investment, with no related allowance	5,793,000		7,152,000
Unpaid principal balance, with a related allowance	998,000		3,104,000
Recorded investment, with a related allowance	998,000		2,979,000
Related allowance	226,000		542,000
Unpaid principal balance	7,209,000		10,536,000
Recorded investment	6,791,000		10,131,000
Average recorded investment, with no related allowance	5,848,000	$ 9,648,000
Interest income recognized, with no related allowance	83,000	89,000
Average recorded investment, with a related allowance	1,000,000	4,571,000
Interest income recognized, with a related allowance	16,000	57,000
Average recorded investment	6,848,000	14,219,000
Interest income recognized	99,000	146,000
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance, with no related allowance	0		0
Recorded investment, with no related allowance	0		0
Unpaid principal balance, with a related allowance	0		0
Recorded investment, with a related allowance	0		0
Related allowance	0		0
Unpaid principal balance	0		0
Recorded investment	0		0
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance, with no related allowance	631,000		548,000
Recorded investment, with no related allowance	630,000		547,000
Unpaid principal balance, with a related allowance	0		0
Recorded investment, with a related allowance	0		0
Related allowance			0
Unpaid principal balance	631,000		548,000
Recorded investment	630,000		547,000
Average recorded investment, with no related allowance	632,000	664,000
Interest income recognized, with no related allowance	9,000	15,000
Average recorded investment, with a related allowance		549,000
Interest income recognized, with a related allowance		8,000
Average recorded investment	632,000	1,213,000
Interest income recognized	9,000	23,000
Construction, Land Acquisition and Development Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance, with no related allowance	205,000		212,000
Recorded investment, with no related allowance	197,000		206,000
Unpaid principal balance, with a related allowance	101,000		102,000
Recorded investment, with a related allowance	101,000		102,000
Related allowance	29,000		29,000
Unpaid principal balance	306,000		314,000
Recorded investment	298,000		308,000
Average recorded investment, with no related allowance	200,000	235,000
Interest income recognized, with no related allowance	3,000	5,000
Average recorded investment, with a related allowance	101,000	104,000
Interest income recognized, with a related allowance	1,000	1,000
Average recorded investment	301,000	339,000
Interest income recognized	4,000	6,000
Home Equity/2nds Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance, with no related allowance	896,000		910,000
Recorded investment, with no related allowance	473,000		491,000
Unpaid principal balance, with a related allowance	0		0
Recorded investment, with a related allowance	0		0
Related allowance	0		0
Unpaid principal balance	896,000		910,000
Recorded investment	473,000		491,000
Average recorded investment, with no related allowance	292,000	553,000
Interest income recognized, with no related allowance	7,000	6,000
Average recorded investment	292,000	553,000
Interest income recognized	7,000	6,000
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid principal balance, with no related allowance	62,000		63,000
Recorded investment, with no related allowance	62,000		63,000
Unpaid principal balance, with a related allowance	0		0
Recorded investment, with a related allowance	0		0
Related allowance	0		0
Unpaid principal balance	62,000		63,000
Recorded investment	62,000		63,000
Average recorded investment, with no related allowance	63,000	82,000
Interest income recognized, with no related allowance	1,000	1,000
Average recorded investment, with a related allowance		2,000
Interest income recognized, with a related allowance		1,000
Average recorded investment	63,000	84,000
Interest income recognized	1,000	$ 2,000
Real estate acquired through foreclosure	0		0
Mortgage Loans in Process of Foreclosure, Amount	$ 505,000		$ 3,600,000

Loans Receivable and Allowanc_7

Loans Receivable and Allowance - Portfolio of TDRs (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)itemloan	Mar. 31, 2020loanitem	Dec. 31, 2020USD ($)item
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	27		28
Financing Receivable, Modifications, Number of Contracts | loan	0	0
TDR, total balance of modifications | $	$ 6,570		$ 6,752
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	0	0
Accrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	25		26
TDR, total balance of modifications | $	$ 6,411		$ 6,589
Nonaccrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	2		2
TDR, total balance of modifications | $	$ 159		$ 163
Residential Mortgage [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	23		24
TDR, total balance of modifications | $	$ 5,777		$ 5,950
Residential Mortgage [Member] | Accrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	21		22
TDR, total balance of modifications | $	$ 5,618		$ 5,787
Residential Mortgage [Member] | Nonaccrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	2		2
TDR, total balance of modifications | $	$ 159		$ 163
Commercial Real Estate [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 417		$ 421
Commercial Real Estate [Member] | Accrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 417		$ 421
Commercial Real Estate [Member] | Nonaccrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	0		0
TDR, total balance of modifications | $	$ 0		$ 0
Construction, Land Acquisition and Development Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 127		$ 128
Construction, Land Acquisition and Development Portfolio Segment [Member] | Accrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 127		$ 128
Construction, Land Acquisition and Development Portfolio Segment [Member] | Nonaccrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	0		0
TDR, total balance of modifications | $	$ 0		$ 0
Home Equity/2nds Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 187		$ 190
Home Equity/2nds Portfolio Segment [Member] | Accrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 187		$ 190
Home Equity/2nds Portfolio Segment [Member] | Nonaccrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	0		0
TDR, total balance of modifications | $	$ 0		$ 0
Consumer Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 62		$ 63
Consumer Portfolio Segment [Member] | Accrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	1		1
TDR, total balance of modifications | $	$ 62		$ 63
Consumer Portfolio Segment [Member] | Nonaccrual Status Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
TDRs, total number of modifications	0		0
TDR, total balance of modifications | $	$ 0		$ 0

Regulatory Matters (Details)

Regulatory Matters (Details) $ in Thousands	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)
Tier 1 capital (to average quarterly assets) [Abstract]
Tier I Capital average, Actual Amount	$ 125,768	$ 122,196
Tier I Capital average, Ratio	12.1	13.7
Tier I Capital Average To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 88,419	$ 71,495
Tier I Capital Average To Be Well Capitalized Under Prompt Corrective Provisions, Ratio	8.50%	8.00%

Earnings Per Share (Details)

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	10,500
Weighted-average shares outstanding - basic (in shares)	12,847,418	12,812,642
Dilution (in shares)	54,067	37,499
Weighted-average share outstanding - diluted (in shares)	12,901,485	12,850,141
Net income	$ 3,911	$ 565
Net income per common share - basic (in dollars per share)	$ 0.30	$ 0.04
Net income per common share - diluted (in dollars per share)	$ 0.30	$ 0.04

Stock-based Compensation (Detai

Stock-based Compensation (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Number of shares authorized under the plan (in shares)	500,000
Stock-based compensation expense	$ 23,000	$ 34,000
Maximum [Member] | Stock Option [Member]
Stock options expiry period	10 years
Stock options vesting period	5 years

Stock-Based Compensation - Roll

Stock-Based Compensation - Rollforward (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, number of shares, beginning (in shares)	220,250	234,173
Granted, number of shares (in shares)	0	10,500
Exercised, number of shares (in shares)	(13,640)	(2,050)
Outstanding, number of shares, ending (in shares)	206,610	242,623
Exercisable, number of shares (in shares)	155,306	159,884
Exercise price
Outstanding, weighted average exercise price, beginning (in dollars per share)	$ 6.89	$ 6.60
Granted, weighted average exercise price (in dollars per share)		8.26
Exercised, weighted average exercise price (in dollars per share)	6.28	6.78
Outstanding, weighted average exercise price, ending (in dollars per share)	6.93	6.67
Exercisable, weighted average exercise price (in dollars per share)	$ 6.78	$ 6.37
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding, weighted average remaining contractual term (Year)	1 year 2 months 12 days	2 years 8 months 12 days
Outstanding, aggregate intrinsic value	$ 1,069	$ 69
Exercisable, weighted average remaining contractual term (Year)	9 months 18 days	2 years 3 months 18 days
Exercised, aggregate intrinsic value	$ 79
Exercisable, aggregate intrinsic value	$ 827	$ 69

Stock-Based Compensation - Assu

Stock-Based Compensation - Assumptions and Unrecognized (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected life		5 years 6 months
Risk-free interest rate		0.95%
Expected volatility		27.83%
Expected dividend yield		1.95%
Weighted average per share fair value of options granted (in dollars per share)		$ 1.75
Unrecognized stock-based compensation expense	$ 129,000
Unrecognized stock-based compensation expected to be recognized period	24 months

Commitments and Contingencies_2

Commitments and Contingencies (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Letters of credit expiry period	12 months
Letters of Credit, Renewal Period (Year)	1 year
Current liability for guarantees	$ 8,000		$ 8,000
Loan commitment expiry period	10 years
Repurchases of loans previously sold	$ 0	$ 0
Deposits	964,096,000		806,456,000
Interest income	7,658,000	6,755,000
Noninterest Income	5,759,000	3,025,000
Business Activities With Medical Use Cannabis Customers [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Loss Contingency Accrual, Ending Balance	$ 0
Minimum [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Period of delinquency under repurchase agreement	120 days
Maximum [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Period of delinquency under repurchase agreement	180 days
Cannabis Customers [Member] | Business Activities With Medical Use Cannabis Customers [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Deposits	$ 60,700,000		$ 42,800,000
Percentage of deposits in total deposits	6.30%		5.30%
Loan balances	$ 22,900,000		$ 18,700,000
Percentage of loans in total loans	3.70%		2.90%
Interest income	$ 219,000	155,000
Noninterest Income	564,000	519,000
Volume of deposits accepted	171,300,000	$ 100,800,000
Standby Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet credit risk	2,804,000		$ 3,251,000
Home Equity Line of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet credit risk	18,678,000		17,005,000
Unadvanced Construction Commitments [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet credit risk	84,866,000		74,626,000
Lines of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet credit risk	30,510,000		30,190,000
Loans Sold and Serviced with Limited Repurchase Provisions [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet credit risk	$ 38,877,000		$ 41,800,000

Derivatives (Details)

Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Minimum [Member]
Derivatives, Fair Value [Line Items]
Derivative, Term of Contract (Day)	14 days
Maximum [Member]
Derivatives, Fair Value [Line Items]
Derivative, Term of Contract (Day)	60 days
Interest Rate Lock Commitments [Member]
Derivatives, Fair Value [Line Items]
Asset, notional amount	$ 46,317	$ 44,243
Asset, estimated fair value	781	1,128
Mandatory Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Asset, notional amount	17,553
Asset, estimated fair value	94
Liability, notional amount	67,928
Liability, estimated fair value	1,061
TBA securities [Member]
Derivatives, Fair Value [Line Items]
Asset, notional amount	78,000
Asset, estimated fair value	1,465
Liability, notional amount	2,500	79,500
Liability, estimated fair value	$ 4	$ 557

Segments (Details)

Segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)item	Mar. 31, 2020USD ($)	Dec. 31, 2020USD ($)
Segment Reporting Information [Line Items]
Number of business segments | item	2
Interest income	$ 8,609	$ 8,916
Interest expense	(951)	(2,161)
Net interest income	7,658	6,755
(Reversal of) provision for loan losses	750	(750)
Net interest income after (reversal of) provision for loan losses	8,408	6,005
Noninterest Income	5,759	3,025
Noninterest expense	(8,806)	(8,252)
Net income before income tax provision	5,361	778
Income tax provision	(1,450)	(213)
Net income	3,911	565
Total Assets	1,112,969	856,470	$ 952,553
Commercial and Consumer Banking [Member]
Segment Reporting Information [Line Items]
Interest income	8,354	8,785
Interest expense	(912)	(2,117)
Net interest income	7,442	6,668
(Reversal of) provision for loan losses	750	(750)
Net interest income after (reversal of) provision for loan losses	8,192	5,918
Noninterest Income	1,363	1,391
Noninterest expense	(6,562)	(7,189)
Net income before income tax provision	2,993	120
Income tax provision	(798)	(32)
Net income	2,195	88
Total Assets	1,062,845	834,474
Mortgage Banking [Member]
Segment Reporting Information [Line Items]
Interest income	255	131
Interest expense	(39)	(44)
Net interest income	216	87
Net interest income after (reversal of) provision for loan losses	216	87
Noninterest Income	4,396	1,634
Noninterest expense	(2,244)	(1,063)
Net income before income tax provision	2,368	658
Income tax provision	(652)	(181)
Net income	1,716	477
Total Assets	$ 50,124	$ 21,996

Fair Value of Financial Instrum

Fair Value of Financial Instruments - Fair Value Measurements for Assets and Liabilities on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	$ 132,698	$ 65,098
Mortgage loans held for sale ("LHFS")	50,124	36,299
Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	132,698	65,098
Mortgage loans held for sale ("LHFS")	50,124	36,299
Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale ("LHFS")	50,124	36,299
MSRs	2,927	1,451
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Mortgage loans held for sale ("LHFS")	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	132,698	65,098
Mortgage loans held for sale ("LHFS")	50,124	36,299
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Mortgage loans held for sale ("LHFS")	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale ("LHFS")	0	0
MSRs	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale ("LHFS")	50,124	36,299
MSRs	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale ("LHFS")	0	0
MSRs	2,927	1,451
Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale ("LHFS")	305	323
MSRs	826	(1,013)
U.S. Government Agency Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	9,175	6,660
U.S. Government Agency Notes [Member] | Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	9,175	6,660
U.S. Government Agency Notes [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
U.S. Government Agency Notes [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	9,175	6,660
U.S. Government Agency Notes [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
U.S. Government Agency Notes [Member] | Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	2,021	2,034
Corporate Debt Securities [Member] | Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	2,021	2,034
Corporate Debt Securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Corporate Debt Securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	2,021	2,034
Corporate Debt Securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Corporate Debt Securities [Member] | Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Mortgage-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	121,502	56,404
Mortgage-backed Securities [Member] | Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	121,502	56,404
Mortgage-backed Securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Mortgage-backed Securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	121,502	56,404
Mortgage-backed Securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Mortgage-backed Securities [Member] | Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value - AFS	0	0
Interest Rate Lock Commitments [Member] | Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	781	1,128
Interest Rate Lock Commitments [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0	0
Interest Rate Lock Commitments [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0	0
Interest Rate Lock Commitments [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	781	1,128
Interest Rate Lock Commitments [Member] | Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	(347)	949
Mandatory Forward Contracts [Member] | Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	94
Derivative liability	1,061
Mandatory Forward Contracts [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0
Derivative liability	0
Mandatory Forward Contracts [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	94
Derivative liability	1,061
Mandatory Forward Contracts [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0
Derivative liability	0
Mandatory Forward Contracts [Member] | Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	(736)
Derivative liability	1,055
Best Efforts Forward Contracts [Member] | Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	26
Best Efforts Forward Contracts [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0
Best Efforts Forward Contracts [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	26
Best Efforts Forward Contracts [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0
Best Efforts Forward Contracts [Member] | Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	25
TBA securities [Member] | Reported Value Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	1,465
Derivative liability	4	557
TBA securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0
Derivative liability	0	0
TBA securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	1,465
Derivative liability	4	557
TBA securities [Member] | Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0
Derivative liability	0	0
TBA securities [Member] | Changes Measurement [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	1,465
Derivative liability	$ 553	$ (557)

Fair Value of Financial Instr_2

Fair Value of Financial Instruments - Additional Quantitative Information (Details) $ in Thousands	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)
Interest Rate Lock Commitments [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs - net asset, amount	$ 781	$ 1,128
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Interest Rate Lock Commitments [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs - net asset, amount	$ 781	$ 1,128
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member] | Measurement Input, Pull Through Rate [Member] | Interest Rate Lock Commitments [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs - net asset, input	0.97	0.93
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Minimum [Member] | Measurement Input, Pull Through Rate [Member] | Interest Rate Lock Commitments [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs - net asset, input	0.78	0.77
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Maximum [Member] | Measurement Input, Pull Through Rate [Member] | Interest Rate Lock Commitments [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
IRLCs - net asset, input	1	1
Mortgage Servicing Rights [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs, amount	$ 2,927	$ 1,451
Mortgage Servicing Rights [Member] | Fair Value, Recurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs, amount	2,927	1,451	$ 240	$ 323
Mortgage Servicing Rights [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs, amount	$ 2,927	$ 1,451
Mortgage Servicing Rights [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Weighted Average [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
MSRs, input	1.55	3.26

Fair Value of Financial Instr_3

Fair Value of Financial Instruments - Activity in MSRs (Details) - Mortgage Servicing Rights [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance	$ 1,451
Ending balance	2,927
Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance	1,451	$ 323
Additions	650	0
Valuation adjustment	826	(83)
Ending balance	$ 2,927	$ 240

Fair Value of Financial Instr_4

Fair Value of Financial Instruments - Activity in IRLCs, etc. (Details) - Fair Value, Recurring [Member] - Interest Rate Lock Commitments [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance	$ 1,128	$ 179
Valuation adjustment	(347)	(240)
Ending balance	$ 781	$ (61)

Fair Value of Financial Instr_5

Fair Value of Financial Instruments - Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - Impaired Loans [Member] $ in Thousands	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)
Weighted Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans, measurement input	0.12
Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans, measurement input		9
Measurement Input, Discount Rate [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans, measurement input	0.12	0
Measurement Input, Discount Rate [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans, measurement input	0.14	0.14
Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	$ 844	$ 2,510
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, fair value	$ 844	$ 2,510

Fair Value of Financial Instr_6

Fair Value of Financial Instruments - Carrying Value and Fair Value of Financial Instruments (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	$ 257,095,000	$ 156,609,000
Certificates of deposit held for investment	3,330,000	3,580,000
Fair Value - AFS	132,698,000	65,098,000
HTM securities	15,094,000	16,603,000
LHFS	50,124,000	36,299,000
Loans receivable, net	618,858,000	639,597,000
Restricted stock investments	970,000	1,236,000
Accrued interest receivable	2,439,000	2,576,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Deposits	970,488,000	806,444,000
Accrued interest payable	160,000	164,000
Borrowings	10,273,000	10,313,000
Subordinated debentures	16,276,000	16,157,000
Assets or liabilities transferred between levels 1, 2 and 3	0	0
Interest Rate Lock Commitments [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	781,000	1,128,000
Mandatory Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	94,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	1,061,000
Best Efforts Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	26,000
TBA securities [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	1,465,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	4,000	557,000
Mortgage Servicing Rights [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
MSRs, amount	2,927,000	1,451,000
Reported Value Measurement [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	257,095,000	156,609,000
Certificates of deposit held for investment	3,330,000	3,580,000
Fair Value - AFS	132,698,000	65,098,000
HTM securities	14,516,000	15,943,000
LHFS	50,124,000	36,299,000
Loans receivable, net	613,377,000	634,212,000
Restricted stock investments	970,000	1,236,000
Accrued interest receivable	2,439,000	2,576,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Deposits	964,096,000	806,456,000
Accrued interest payable	160,000	164,000
Borrowings	10,000,000	10,000,000
Subordinated debentures	20,619,000	20,619,000
Reported Value Measurement [Member] | Interest Rate Lock Commitments [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	781,000	1,128,000
Reported Value Measurement [Member] | Mandatory Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	94,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	1,061,000
Reported Value Measurement [Member] | Best Efforts Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	26,000
Reported Value Measurement [Member] | TBA securities [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	1,465,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	4,000	557,000
Reported Value Measurement [Member] | Mortgage Servicing Rights [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
MSRs, amount	2,927,000	1,451,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	257,095,000	156,609,000
Certificates of deposit held for investment	3,330,000	3,580,000
Fair Value - AFS	0	0
HTM securities	0	0
LHFS	0	0
Loans receivable, net	0	0
Restricted stock investments	0	0
Accrued interest receivable	0	0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Deposits	0	0
Accrued interest payable	0	0
Borrowings	0	0
Subordinated debentures	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Lock Commitments [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Mandatory Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Best Efforts Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | TBA securities [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Mortgage Servicing Rights [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
MSRs, amount	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	0	0
Certificates of deposit held for investment	0	0
Fair Value - AFS	132,698,000	65,098,000
HTM securities	15,094,000	16,603,000
LHFS	50,124,000	36,299,000
Loans receivable, net	0	0
Restricted stock investments	970,000	1,236,000
Accrued interest receivable	2,439,000	2,576,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Deposits	970,488,000	806,444,000
Accrued interest payable	160,000	164,000
Borrowings	10,273,000	10,313,000
Subordinated debentures	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Lock Commitments [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Mandatory Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	94,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	1,061,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Best Efforts Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	26,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | TBA securities [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	1,465,000
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	4,000	557,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Mortgage Servicing Rights [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
MSRs, amount	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	0	0
Certificates of deposit held for investment	0	0
Fair Value - AFS	0	0
HTM securities	0	0
LHFS	0	0
Loans receivable, net	618,858,000	639,597,000
Restricted stock investments	0	0
Accrued interest receivable	0	0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Deposits	0	0
Accrued interest payable	0	0
Borrowings	0	0
Subordinated debentures	16,276,000	16,157,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Commitments [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	781,000	1,128,000
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Mandatory Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Best Efforts Forward Contracts [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | TBA securities [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative asset	0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative liability	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Mortgage Servicing Rights [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
MSRs, amount	$ 2,927,000	$ 1,451,000