MidWestOne Financial (MOFG) 10-Q 8 May 20 2020 Q1 Quarterly report Financial data

Cover Page

Cover Page - shares	3 Months Ended
	Mar. 31, 2020	May 06, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	001-35968
Entity Registrant Name	MIDWESTONE FINANCIAL GROUP, INC.
Entity Central Index Key	0001412665
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Incorporation, State or Country Code	IA
Entity Tax Identification Number	42-1206172
Entity Address, Address Line One	102 South Clinton Street
Entity Address, City or Town	Iowa City
Entity Address, State or Province	IA
Entity Address, Postal Zip Code	52240
City Area Code	319
Local Phone Number	356-5800
Title of 12(b) Security	Common stock, $1.00 par value
Trading Symbol	MOFG
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		16,089,782

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Cash and due from banks	$ 60,396	$ 67,174
Interest earning deposits in banks	58,319	6,112
Federal funds sold	6,830	198
Total cash and cash equivalents	125,545	73,484
Debt securities available for sale at fair value	881,859	785,977
Loans held for sale	9,483	5,400
Gross loans held for investment	3,440,907	3,469,236
Unearned income, net	(15,145)	(17,970)
Loans held for investment, net of unearned income	3,425,762	3,451,266
Allowance for credit losses	(51,187)	(29,079)
Total loans held for investment, net	3,374,575	3,422,187
Premises and equipment, net	89,860	90,723
Goodwill	93,977	91,918
Other intangible assets, net	30,190	32,218
Foreclosed assets, net	968	3,706
Other assets	157,452	147,960
Total assets	4,763,909	4,653,573
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest bearing deposits	637,127	662,209
Interest bearing deposits	3,222,717	3,066,446
Total deposits	3,859,844	3,728,655
Short-term borrowings	129,489	139,349
Long-term debt	209,874	231,660
Other liabilities	64,138	44,927
Total liabilities	4,263,345	4,144,591
Shareholders' equity
Preferred stock, no par value; authorized 500,000 shares; no shares issued and outstanding	0	0
Common stock, $1.00 par value; authorized 30,000,000 shares; issued shares of 16,581,017 and 16,581,017; outstanding shares of 16,089,782 and 16,162,176	16,581	16,581
Additional paid-in capital	299,412	297,390
Retained earnings	190,212	201,105
Treasury stock at cost, 491,235 and 418,841	(12,518)	(10,466)
Accumulated other comprehensive income	6,877	4,372
Total shareholders' equity	500,564	508,982
Total liabilities and shareholders' equity	$ 4,763,909	$ 4,653,573

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest income:
Loans, including fees	$ 42,012	$ 29,035
Taxable investment securities	3,717	2,927
Tax-exempt investment securities	1,512	1,406
Other	164	20
Total interest income	47,405	33,388
Interest expense:
Deposits	7,949	5,695
Short-term borrowings	334	457
Long-term debt	1,716	1,260
Total interest expense	9,999	7,412
Net interest income	37,406	25,976
Credit loss expense	21,733	1,594
Net interest income after credit loss expense	15,673	24,382
Noninterest income:
Investment services and trust activities	2,536	1,390
Service charges and fees	1,826	1,442
Card revenue	1,365	998
Loan revenue	1,123	393
Bank-owned life insurance	520	392
Insurance commissions	0	420
Investment securities gains, net	42	17
Other	2,743	358
Total noninterest income	10,155	5,410
Noninterest expense:
Compensation and employee benefits	16,617	12,579
Occupancy expense of premises, net	2,341	1,879
Equipment	1,880	1,371
Legal and professional	1,535	965
Data processing	1,354	845
Marketing	1,062	606
Amortization of intangibles	2,028	452
FDIC insurance	448	370
Communications	457	342
Foreclosed assets, net	138	58
Other	2,141	1,150
Total noninterest expense	30,001	20,617
(Loss) income before income tax (benefit) expense	(4,173)	9,175
Income tax (benefit) expense	(2,198)	1,890
Net (loss) income	$ (1,975)	$ 7,285
Per common share information
Earnings (loss) - basic (in dollars per share)	$ (0.12)	$ 0.60
Earnings (loss) - diluted (in dollars per share)	(0.12)	0.60
Dividends paid (in dollars per share)	$ 0.2200	$ 0.2025

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1,975)	$ 7,285
Unrealized gain from debt securities available for sale:
Unrealized net holding gains on debt securities available for sale arising during the period	4,325	4,128
Reclassification adjustment for gains included in net income	(42)	(17)
Income tax expense	(1,118)	(1,073)
Unrealized net gains on debt securities available for sale, net of reclassification adjustment	3,165	3,038
Unrealized loss from cash flow hedging instruments:
Unrealized net holding loss in cash flow hedging instruments arising during the period	(888)	0
Reclassification adjustment for net gain in cash flow hedging instruments included in income	(5)	0
Income tax benefit	233	0
Unrealized net losses on cash flow hedge instruments, net of reclassification adjustment	(660)	0
Other comprehensive income, net of tax	2,505	3,038
Comprehensive income	$ 530	$ 10,323

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2018		$ 357,067	$ 12,463	$ 187,813	$ 168,951	$ (6,499)	$ (5,661)
Net (loss) income		7,285			7,285
Other comprehensive income		3,038					3,038
Release/lapse of restriction on RSUs		(69)		(570)		501
Repurchase of common stock		(1,299)				(1,299)
Share-based compensation		292		292
Dividends paid on common stock		(2,465)			(2,465)
Balance at Mar. 31, 2019		363,849	12,463	187,535	173,771	(7,297)	(2,623)
Balance at Dec. 31, 2019		508,982	16,581	297,390	201,105	(10,466)	4,372
Net (loss) income		(1,975)			(1,975)
Other comprehensive income		2,505					2,505
Acquisition fair value finalization	[1]	2,355		2,355
Release/lapse of restriction on RSUs		(127)		(679)		552
Repurchase of common stock		(2,604)				(2,604)
Share-based compensation		346		346
Dividends paid on common stock		(3,556)			(3,556)
Balance at Mar. 31, 2020		$ 500,564	$ 16,581	$ 299,412	$ 190,212	$ (12,518)	$ 6,877
[1]	Relates to the finalization of the purchase accounting adjustments for the ATBancorp acquisition. This purchase accounting adjustment had a $2.06 million impact on goodwill, $296 thousand impact on deferred income taxes, with the offsetting impact being to additional paid-in capital. See Note 7. Goodwill and Other Intangible Assets for additional information.

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net (loss) income	$ (1,975)	$ 7,285
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Credit loss expense	21,733	1,594
Depreciation, amortization, and accretion	1,456	1,905
Net loss (gain) on sale of premises and equipment	5	(12)
Share-based compensation	346	292
Net gain on sale or call of debt securities available for sale	(42)	(17)
Net gain on sale of foreclosed assets, net	(37)	(14)
Writedown of foreclosed assets	131	0
Net gain on sale of loans held for sale	(810)	(126)
Origination of loans held for sale	50,305	7,764
Proceeds from sales of loans held for sale	47,032	8,247
Increase in cash surrender value of bank-owned life insurance	(521)	(392)
Increase in deferred income taxes, net	3,655	16
Change in:
Other assets	(5,316)	281
Other liabilities	13,367	398
Net cash provided by operating activities	21,409	11,661
Cash flows from investing activities:
Proceeds from sales of debt securities available for sale	22,140	7,280
Proceeds from maturities and calls of debt securities available for sale	28,426	17,238
Purchases of debt securities available for sale	(142,632)	(39,373)
Proceeds from maturities and calls of debt securities held to maturity	0	720
Net (increase) decrease in loans, net of unearned income	27,819	(6,410)
Purchases of premises and equipment	(403)	(490)
Proceeds from sale of foreclosed assets	2,151	394
Proceeds from sale of premises and equipment	2	12
Net cash (used in) investing activities	(62,497)	(20,629)
Cash flows from financing activities:
Deposits	131,094	71,898
Short-term borrowings	(9,860)	(55,356)
Long-term debt	(21,798)	(6,250)
Taxes paid relating to the release/lapse of restriction on RSU's	(127)	(69)
Dividends paid	(3,556)	(2,465)
Repurchase of common stock	(2,604)	(1,299)
Net cash provided by financing activities	93,149	6,459
Net increase (decrease) in cash and cash equivalents	52,061	(2,509)
Cash and cash equivalents:
Beginning of Period	73,484	45,480
Ending balance	125,545	42,971
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	9,993	7,084
Cash paid during the period for income taxes	0	0
Supplemental schedule of non-cash investing and financing activities:
Transfer of loans to foreclosed assets, net	493	$ 181
Initial recognition of operating lease right of use asset	4,237
Initial recognition of operation lease liability	$ 5,202

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares issued (in shares)	16,581,017	16,581,017
Common stock, shares outstanding (in shares)	16,089,782	16,162,176
Treasury stock (in shares)	491,235	418,841

Consolidated Statements of Sh_2

Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Dividends paid on common stock (in dollars per share)	$ 0.2200	$ 0.2025
Release/lapse of restriction on RSUs (in shares)	22,946	24,550
Repurchase of common stock (in shares)	95,340	49,216
ATBancorp
Goodwill adjustments	$ 2,060
Deferred income taxes	$ 296

Summary of Significant Accounti

Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Nature of Business MidWest One Financial Group, Inc., an Iowa corporation formed in 1983, is a bank holding company under the BHCA and a financial holding company under the GLBA. Our principal executive offices are located at 102 South Clinton Street, Iowa City, Iowa 52240. The Company owns all of the outstanding common stock of MidWest One Bank, an Iowa state non-member bank chartered in 1934 with its main office in Iowa City, Iowa, and, until its dissolution in December 2019, all of the common stock of MidWest One Insurance Services, Inc., Oskaloosa, Iowa. We operate primarily through MidWest One Bank, our bank subsidiary. On May 1, 2019, the Company acquired ATBancorp, a bank holding company whose wholly-owned banking subsidiaries were ATSB and ABTW, community banks headquartered in Dubuque, Iowa, and Cuba City, Wisconsin, respectively. As consideration for the merger, we issued 4,117,536 shares of our common stock with a value of $116 million, and paid cash in the amount of $34.8 million. On June 30, 2019, the Company sold substantially all of the assets used by its wholly owned subsidiary, MidWest One Insurance Services, Inc. to sell insurance products. The Company recognized a pre-tax gain of $1.1 million from the sale, which was reported in “Other” noninterest income on the Company’s consolidated statements of income. Basis of Presentation The accompanying interim condensed consolidated financial statements are prepared in accordance with GAAP for interim financial information and pursuant to the requirements for reporting on Form 10-Q and Article 10 of Regulation S-X of the Securities Exchange Act of 1934. Accordingly, certain disclosures accompanying annual consolidated financial statements are omitted. In the opinion of management, all significant intercompany accounts and transactions have been eliminated and adjustments, consisting solely of normal recurring accruals and considered necessary for the fair presentation of financial statements for the interim periods, have been included. The current period's results of operations are not necessarily indicative of the results that ultimately may be achieved for the year. The interim condensed consolidated financial statements and notes thereto should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Form 10-K for the year ended December 31, 2019, filed with the SEC on March 6, 2020. Risks and Uncertainties The outbreak of COVID-19 has adversely impacted a broad range of industries in which the Company’s customers operate and could impair their ability to fulfill their financial obligations to the Company. The World Health Organization has declared COVID-19 to be a global pandemic indicating 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 spread of the outbreak has caused significant disruptions in the U.S. economy and has disrupted banking and other financial activity in the areas in which the Company operates. While there has been no material impact to the Company’s employees to date, COVID-19 could also potentially create widespread business continuity issues for the Company. Congress, the President, and the Federal Reserve have taken several actions designed to cushion the economic fallout. Most notably, the Coronavirus Aid, Relief and Economic Security (“CARES”) Act was signed into law at the end of March 2020 as a $2 trillion legislative package. The goal of the CARES Act is to prevent a severe economic downturn through various measures, including direct financial aid to American families and economic stimulus to significantly impacted industry sectors. The package also includes extensive emergency funding for hospitals and healthcare providers. In addition to the general impact of COVID-19, certain provisions of the CARES Act as well as other recent legislative and regulatory relief efforts are expected to have a material impact on the Company’s operations. The Company’s business is dependent upon the willingness and ability of its employees and customers to conduct banking and other financial transactions. If the global response to contain COVID-19 escalates further or is unsuccessful, the Company could experience a material adverse effect on its business, financial condition, results of operations and cash flows. While it is not possible to know the full universe or extent that the impact of COVID-19, and resulting measures to curtail its spread, will have on the Company’s operations, the Company discloses in this report potentially material items of which it is aware at the time this report is filed with the SEC. Financial position and results of operations The Company’s interest income could be reduced due to COVID-19. In keeping with guidance from regulators, the Company is actively working with COVID-19 affected borrowers to defer their payments, interest, and fees. While interest and fees will still accrue to income, through normal GAAP accounting, should eventual credit losses on these deferred payments emerge, interest income and fees accrued would need to be reversed. In such a scenario, interest income in future periods could be negatively impacted. At this time, the Company is unable to project the materiality of such an impact, but recognizes the breadth of the economic impact of COVID-19 may affect its borrowers’ ability to repay in future periods. The Company’s fee income could be reduced due to COVID-19. In keeping with guidance from regulators, the Company is actively working with COVID-19 affected customers to waive fees from a variety of sources, such as, but not limited to, insufficient funds and overdraft fees, ATM fees, account maintenance fees, etc. These reductions in fees are thought, at this time, to be temporary in conjunction with the length of the expected COVID-19 related economic crisis. At this time, the Company is unable to project the materiality of such an impact, but recognizes the breadth of the economic impact of COVID-19 is likely to impact its fee income in future periods. Capital and liquidity While the Company believes that it has sufficient capital to withstand an extended economic recession brought about by COVID-19, its reported and regulatory capital ratios could be adversely impacted by further credit losses. The Company relies on cash on hand as well as dividends from its subsidiary bank to service its debt. If the Company’s capital deteriorates such that its subsidiary bank is unable to pay dividends to it for an extended period of time, the Company may not be able to service its debt. If an extended recession causes large numbers of the Company’s deposit customers to withdraw their funds, the Company might become more reliant on volatile or more expensive sources of funding. Asset valuation Currently, the Company does not expect COVID-19 to affect its ability to account timely for the assets on its balance sheet; however, this could change in future periods. While certain valuation assumptions and judgments will change to account for pandemic-related circumstances such as widening credit spreads, the Company does not anticipate significant changes in methodology used to determine the fair value of assets measured in accordance with GAAP. Due to the economic impact that COVID-19 has had on the Company, management concluded that factors such as the decline in macroeconomic conditions have led to the occurrence of a triggering event and therefore an interim impairment test over goodwill was performed as of March 31, 2020. As part of this interim impairment assessment, in the event that the Company concluded that all or a portion of its goodwill is impaired, a non-cash charge for the amount of such impairment would be recorded to earnings. Such a charge would have no impact on tangible capital or regulatory capital. Based upon the results of our interim goodwill assessment, we have concluded that an impairment did not exist as of the time of the assessment. It is possible that the lingering effects of COVID-19 could cause the occurrence of what management would deem to be subsequent triggering events that could, under certain circumstances, cause us to perform a goodwill or intangible asset impairment test and result in an impairment charge being recorded for that period. In the event that the Company concludes that all or a portion of its goodwill or intangible assets are impaired, a non-cash charge for the amount of such impairment would be recorded to earnings. Such a charge would have no impact on tangible capital or regulatory capital. Processes, controls and business continuity plan The Company has invoked its Business Continuity Plan that includes a remote working strategy. The Company does not anticipate incurring additional material cost related to its continued deployment of the remote working strategy. No material operational or internal control challenges or risks have been identified to date. The Company does not anticipate significant challenges to its ability to maintain its systems and controls in light of the measures the Company has taken to prevent the spread of COVID-19. The Company does not currently face any material resource constraint through the implementation of its business continuity plans. Credit The Company is working with customers directly affected by COVID-19. The Company is prepared to offer short-term assistance in accordance with regulator guidelines. As a result of the current economic environment caused by the COVID-19 virus, the Company is engaging in more frequent communication with borrowers to better understand their situation and the challenges faced, allowing it to respond proactively as needs and issues arise. Should economic conditions worsen, the Company could experience further increases in its required ACL and record additional credit loss expense. It is possible that the Company’s asset quality measures could worsen at future measurement periods if the effects of COVID-19 are prolonged. Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect: (1) the reported amounts of assets and liabilities, (2) the disclosure of contingent assets and liabilities at the date of the financial statements, and (3) the reported amounts of revenues and expenses during the reporting period. These estimates are based on information available to management at the time the estimates are made. Actual results could differ from those estimates. The results for the three months ended March 31, 2020 may not be indicative of results for the year ending December 31, 2020, or for any other period. All significant accounting policies followed in the preparation of the quarterly financial statements are disclosed in the Annual Report on Form 10-K for the year ended December 31, 2019, filed with the SEC on March 6, 2020. In the consolidated statements of cash flows, cash and cash equivalents include cash and due from banks, interest-bearing deposits in banks, and federal funds sold. Segment Reporting The Company’s activities are considered to be one reportable segment. The Company is engaged in the business of commercial and retail banking, and investment management with operations throughout Iowa, the Minneapolis/St. Paul metropolitan area of Minnesota, western Wisconsin, Naples and Fort Myers, Florida, and Denver, Colorado. Substantially all income is derived from a diverse base of commercial, mortgage and retail lending activities, and investments. Allowance for Credit Losses Debt Securities Available for Sale For available for sale debt securities in an unrealized loss position, the Company evaluates the securities to determine whether the decline in the fair value below the amortized cost basis (impairment) is due to credit-related factors or noncredit-related factors. Any impairment that is not credit related is recognized in other comprehensive income, net of applicable taxes. Credit-related impairment is recognized as an allowance for credit losses related to debt securities AFS on the balance sheet, limited to the amount by which the amortized cost basis exceeds the fair value, with a corresponding adjustment to earnings. Both the ACL and the adjustment to net income may be reversed if conditions change. However, if the Company intends to sell an impaired available for sale debt security or more likely than not will be required to sell such a security before recovering its amortized cost basis, the entire impairment amount must be recognized in earnings with a corresponding adjustment to the security’s amortized cost basis. Because the security’s amortized cost basis is adjusted to fair value, there is no ACL in this situation. In evaluating available for sale debt securities in unrealized loss positions for impairment and the criteria regarding its intent or requirement to sell such securities, the Company considers the extent to which fair value is less than amortized cost, whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuers’ financial condition, among other factors. Changes in the allowance for credit losses are recorded as credit loss expense (or reversal of credit loss expense). Losses are charged against the ACL when management believes the uncollectability of an available for sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. Accrued interest receivable is excluded from the estimate of credit losses. Loans Held for Investment Under the current expected credit loss model, the allowance for credit losses is a valuation account estimated at each balance sheet date and deducted from the amortized cost basis of loans held for investment to present the net amount expected to be collected. The Company estimates the ACL based on the underlying assets’ amortized cost basis, which is the amount at which the financing receivable is originated or acquired, adjusted for collection of cash and charge-offs, as well as applicable accretion or amortization of premium, discount, and net deferred fees or costs. In the event that collection of principal becomes uncertain, the Company has policies in place to reverse accrued interest in a timely manner. Therefore, the Company has made a policy election to exclude accrued interest from the measurement of ACL. Expected credit losses are reflected in the allowance for credit losses through a charge to credit loss expense. When the Company deems all or a portion of a financial asset to be uncollectible, the appropriate amount is written off and the ACL is reduced by the same amount. The Company applies judgment to determine when a financial asset is deemed uncollectible; however, generally speaking, an asset will be considered uncollectible no later than when all efforts at collection have been exhausted. Subsequent recoveries, if any, are credited to the ACL when received. The Company measures expected credit losses of financial assets on a collective (pool) basis when the financial assets share similar risk characteristics. Depending on the nature of the pool of financial assets with similar risk characteristics, the Company uses a DCF method or a loss-rate method to estimate expected credit losses. The Company’s methodologies for estimating the ACL consider available relevant information about the collectability of cash flows, including information about past events, current conditions, and reasonable and supportable forecasts. The methodologies apply historical loss information, adjusted for asset-specific characteristics, economic conditions at the measurement date, and forecasts about future economic conditions expected to exist through the contractual lives of the financial assets that are reasonable and supportable, to the identified pools of financial assets with similar risk characteristics for which the historical loss experience was observed. The Company’s methodologies revert back to historical loss driver information on a straight-line basis over four quarters when it can no longer develop reasonable and supportable forecasts. The Company adjusted the reversion period from the previously disclosed six quarters to four quarters based upon current forecasted conditions. Discounted Cash Flow Method The Company uses the DCF method to estimate expected credit losses for the agricultural, commercial and industrial, CRE - construction and development, CRE - farmland, CRE - multifamily, CRE - other, RRE - owner-occupied one-to-four family first liens, RRE - nonowner-occupied one-to-four family first liens, RRE - one-to-four family junior liens, and consumer loan pools. For each of these pools, the Company generates cash flow projections at the instrument level wherein payment expectations are adjusted for estimated prepayment speed, curtailments, time to recovery, probability of default, and loss given default. The modeling of expected prepayment speeds, curtailment rates, and time to recovery are based on historical internal data. The Company uses regression analysis of historical internal and peer data to determine which variables are best suited to be economic variables utilized when modeling lifetime probability of default and loss given default. This analysis also determines how expected probability of default and loss given default will react to forecasted levels of the economic variables. For the loan pools utilizing the DCF method, management utilizes one or multiple of the following economic variables: Midwest unemployment, national retail sales, CRE index, US rental vacancy rate, US gross domestic product, and national home price index (HPI). For all DCF models, management has determined that four quarters represents a reasonable and supportable forecast period and reverts back to a historical loss rate over four quarters on a straight-line basis. Management leverages economic projections from a reputable and independent third party to inform its loss driver forecasts over the four quarter forecast period. Other internal and external indicators of economic forecasts are also considered by management when developing the forecast metrics. The combination of adjustments for credit expectations (default and loss) and timing expectations (prepayment, curtailment, and time to recovery) produces an expected cash flow stream at the instrument level. Instrument effective yield is calculated, net of the impacts of prepayment assumptions, and the instrument expected cash flows are then discounted at that effective yield to produce an instrument-level net present value of expected cash flows (“NPV”). An ACL is established for the difference between the instrument’s NPV and amortized cost basis. In addition, management utilizes qualitative factors to adjust the calculated ACL as appropriate. Qualitative factors are based on management's judgment of company, market, industry or business specific data, changes in underlying loan composition of specific portfolios, trends relating to credit quality, delinquency, non-performing and adversely rated loans, and reasonable and supportable forecasts of economic conditions. Loss-Rate Method The Company uses a loss-rate method to estimate expected credit losses for the credit card and overdraft pools. For each of these pools, the Company applies an expected loss ratio based on internal and peer historical losses, adjusted as appropriate for qualitative factors. Qualitative loss factors are based on management's judgment of company, market, industry or business specific data, changes in underlying loan composition of specific portfolios, trends relating to credit quality, delinquency, non-performing and adversely rated loans, and reasonable and supportable forecasts of economic conditions. Collateral Dependent Financial Assets Loans that do not share risk characteristics are evaluated on an individual basis. For collateral dependent financial assets where the Company has determined that foreclosure of the collateral is probable, or where the borrower is experiencing financial difficulty and the Company expects repayment of the financial asset to be provided substantially through the operation or sale of the collateral, the ACL is measured based on the difference between the fair value of the collateral and the amortized cost basis of the asset as of the measurement date. When repayment is expected to be from the operation of the collateral, expected credit losses are calculated as the amount by which the amortized cost basis of the financial asset exceeds the present value of expected cash flows from the operation of the collateral. When repayment is expected to be from the sale of the collateral, expected credit losses are calculated as the amount by which the amortized costs basis of the financial asset exceeds the fair value of the underlying collateral less estimated cost to sell. The ACL may be zero if the fair value of the collateral at the measurement date exceeds the amortized cost basis of the financial asset. The Company’s estimate of the ACL reflects losses expected over the remaining contractual life of the assets. The contractual term does not consider extensions, renewals or modifications unless the Company has identified an expected TDR. A loan that has been modified or renewed is considered a TDR when two conditions are met: 1) the borrower is experiencing financial difficulty and 2) concessions are made for the borrower's benefit that would not otherwise be considered for a borrower or transaction with similar credit risk characteristics. The Company’s ACL reflects all effects of a TDR when an individual asset is specifically identified as a reasonably expected TDR. The Company has determined that a TDR is reasonably expected no later than the point when the lender concludes that modification is the best course of action and it is at least reasonably possible that the troubled borrower will accept some form of concession from the lender to avoid a default. Reasonably expected TDRs and executed non-performing TDRs are evaluated individually to determine the required ACL. TDRs performing in accordance with their modified contractual terms for a reasonable period of time may be included in the Company’s existing pools based on the underlying risk characteristics of the loan to measure the ACL. Guidance on Non-TDR Loan Modifications due to COVID-19 In March 2020, various regulatory agencies, including the Board of Governors of the Federal Reserve System and the FDIC, (the "agencies") issued an interagency statement on loan modifications and reporting for financial institutions working with customers affected by COVID-19. The interagency statement was effective immediately and impacted accounting for loan modifications. Under ASC 310-40, “Receivables – Troubled Debt Restructurings by Creditors,” a restructuring of debt constitutes a TDR if the creditor grants a concession and the debtor is experiencing financial difficulties. The agencies confirmed with the staff of the FASB that short-term modifications made on a good faith basis in response to COVID-19 to borrowers who were current prior to any relief, are not to be considered TDRs. This includes short-term (e.g., six months) modifications, such as payment deferrals, fee waivers, extensions of repayment terms, or other delays in payment that are insignificant. Borrowers considered current are those that are less than 30 days past due on their contractual payments at the time a modification program is implemented. Refer to Note 5. Loans Receivable and the Allowance for Credit Losses for additional information. Liability for Off-Balance Sheet Credit Exposures Financial instruments include off-balance sheet credit exposures, such as commitments to make loans and commercial letters of credit, issued to meet customer financing needs. The Company’s exposure to credit loss in the event of nonperformance by the other party to the financial instrument for off-balance sheet loan commitments is represented by the contractual amount of those instruments. Such financial instruments are recorded when they are funded. The Company recognizes a liability for off-balance sheet credit exposures, unless the commitments to extend credit are unconditionally cancellable, through a charge to credit loss expense for off-balance sheet credit exposures included in credit loss expense in the Company’s consolidated statements of income. The liability for off-balance sheet credit exposures is estimated by loan segment at each balance sheet date under the current expected credit loss model using the same methodologies as portfolio loans, taking into consideration the likelihood that funding will occur, and is included in other liabilities on the Company’s consolidated balance sheets. Refer to Note 5. Loans Receivable and the Allowance for Credit Losses for additional information.

Effect of New Financial Account

Effect of New Financial Accounting Standards	3 Months Ended
	Mar. 31, 2020
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Effect of New Financial Accounting Standards	Effect of New Financial Accounting Standards Accounting Guidance Adopted in 2019 On January 1, 2020, the Company adopted ASU 2016-13 Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments , which replaces the incurred loss methodology with an expected loss methodology that is referred to as the current expected credit loss (CECL) methodology. The measurement of expected credit losses under the CECL methodology is applicable to financial assets measured at amortized cost, including loan receivables and HTM debt securities. It is also applied to off-balance sheet credit exposures not accounted for as insurance (loan commitments, standby letters of credit, financial guarantees, and other similar instruments) and net investments in leases recognized by a lessor in accordance with Topic 842 on leases. In addition, ASC 326 made changes to the accounting for AFS debt securities. One such change is to require credit losses to be presented as an allowance rather than as a write-down on AFS debt securities that management does not intend to sell or believes that it is more likely than not they will be required to sell. The Company adopted ASC 326 using the modified retrospective method for all financial assets measured at amortized cost and off-balance-sheet credit exposures. Results for reporting periods beginning after January 1, 2020 are presented under ASC 326, while prior period amounts continue to be reported in accordance with previously applicable GAAP. The Company recorded a net decrease to retained earnings of $5.4 million as of January 1, 2020 for the cumulative effect of adopting ASC 326. The transition adjustment includes a $4.0 million impact due to the increase in ACL related to loans, a $3.4 million impact due the establishment of the allowance for unfunded commitments, and a $1.9 million impact on deferred taxes. The Company adopted ASC 326 using the prospective transition approach for financial assets purchased with credit deterioration that were previously classified as PCI and accounted for under ASC 310-30. In accordance with the standard, management did not reassess whether PCI assets met the criteria of PCD assets as of the date of adoption. On January 1, 2020, the amortized cost basis of the PCD assets were adjusted to reflect the addition of $119 thousand to the ACL. The remaining noncredit discount will be accreted into interest income at the effective interest rate as of January 1, 2020. The following table illustrates the impact of ASC 326 January 1, 2020 Pre-ASC 326 Adoption Impact of ASC 326 Adoption As Reported Under ASC 326 (in thousands) Assets: Loans Agricultural $ 3,748 $ (2,557) $ 1,191 Commercial and industrial 8,394 2,728 11,122 Commercial real estate 13,804 1,300 15,104 Residential real estate 2,685 2,050 4,735 Consumer 448 463 911 Allowance for credit losses on loans $ 29,079 $ 3,984 $ 33,063 Liabilities: Liability for off-balance sheet credit exposures $ — $ 3,433 $ 3,433 In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement. The amendments in this update modify the disclosure requirements on fair value measurements in Topic 820, Fair Value Measurement, including the consideration of costs and benefits. Four disclosure requirements were removed, three were modified, and two were added. In addition, the amendments eliminate “ at a minimum” from the phrase “ an entity shall disclose at a minimum” to promote the appropriate exercise of discretion by entities when considering fair value measurement disclosures and to clarify that materiality is an appropriate consideration of entities and their auditors when evaluating disclosure requirements. The amendments in this update are effective for all entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The amendments on changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative description of measurement uncertainty should be applied prospectively for only the most recent interim or annual period presented in the initial fiscal year of adoption. All other amendments should be applied retrospectively to all periods presented upon their effective date. Early adoption is permitted. An entity is permitted to early adopt any removed or modified disclosures and delay adoption of the additional disclosures until their effective date. The adoption of this standard did not have a material impact on the Company's consolidated financial statements. Accounting Guidance Pending Adoption at March 31, 2020 On March 12, 2020, the FASB issued ASU 2020-04, Reference Rate Reform (ASC 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting

Business Combinations

Business Combinations	3 Months Ended
	Mar. 31, 2020
Business Combinations [Abstract]
Business Combinations	Business Combinations On May 1, 2019, the Company acquired 100% of the equity of ATBancorp through a merger and acquired its wholly-owned banking subsidiaries ATSB and ABTW. The consideration included common stock valued at $116.0 million and cash consideration of $34.8 million. The assets acquired and liabilities assumed have been accounted for under the acquisition method of accounting. The assets and liabilities, both tangible and intangible, were recorded at their fair values as of the May 1, 2019 acquisition date net of any applicable tax effects. As part of the finalization of purchase accounting associated with the merger, an additional $2.06 million was recorded to goodwill, $296 thousand was recorded to deferred income taxes, with the offsetting impact being to additional paid-in capital. All amounts recognized for the business combination in the financial statements have been determined to be final as of March 31, 2020. The table below summarizes the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed: (in thousands) May 1, 2019 Merger consideration Share consideration $ 116,032 Cash consideration 34,766 Total merger consideration $ 150,798 Identifiable net assets acquired, at fair value Assets acquired Cash and cash equivalents $ 82,081 Debt securities available for sale 99,056 Loans 1,138,928 Premises and equipment 18,327 Other intangible assets 28,349 Foreclosed assets 3,091 Other assets 42,944 Total assets acquired 1,412,776 Liabilities assumed Deposits $ 1,089,355 Short-term borrowings 100,761 Long-term debt 71,234 Other liabilities 29,951 Total liabilities assumed 1,291,301 Fair value of net assets acquired 121,475 Goodwill $ 29,323 The following table summarizes ATBancorp acquisition-related expenses for the periods indicated: Three Months Ended March 31, (in thousands) 2020 2019 Noninterest Expense Compensation and employee benefits $ — $ 10 Legal and professional — 126 Data processing 44 5 Other 10 26 Total ATBancorp acquisition-related expenses $ 54 $ 167

Debt Securities

Debt Securities	3 Months Ended
	Mar. 31, 2020
Debt Securities [Abstract]
Debt Securities	Debt Securities The amortized cost and fair value of investment debt securities AFS, with gross unrealized gains and losses, were as follows: As of March 31, 2020 (in thousands) Amortized Gross Gross Allowance for Credit Loss related to Debt Securities Estimated Fair Value U.S. Government agencies and corporations $ 421 $ 10 $ — $ — $ 431 State and political subdivisions 283,087 4,499 1,209 — 286,377 Mortgage-backed securities 41,191 1,412 2 — 42,601 Collateralized mortgage obligations 301,287 6,804 1,231 — 306,860 Corporate debt securities 245,674 3,343 3,427 — 245,590 Total debt securities $ 871,660 $ 16,068 $ 5,869 $ — $ 881,859 As of December 31, 2019 (in thousands) Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value U.S. Government agencies and corporations $ 439 $ 2 $ — $ 441 State and political subdivisions 253,750 3,803 348 257,205 Mortgage-backed securities 43,009 536 15 43,530 Collateralized mortgage obligations 293,911 1,000 1,965 292,946 Corporate debt securities 188,952 3,018 115 191,855 Total debt securities $ 780,061 $ 8,359 $ 2,443 $ 785,977 Investment securities with a carrying value of $334.7 million and $264.8 million at March 31, 2020 and December 31, 2019, respectively, were pledged on public deposits, securities sold under agreements to repurchase and for other purposes, as required or permitted by law. The following table presents debt securities AFS in an unrealized loss position for which an allowance for credit losses has not been recorded at March 31, 2020, aggregated by investment category and length of time in a continuous loss position: As of March 31, 2020 Number of Securities Less than 12 Months 12 Months or More Total Available for Sale Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses (in thousands, except number of securities) State and political subdivisions 77 $ 33,845 $ 1,209 $ — $ — $ 33,845 $ 1,209 Mortgage-backed securities 9 404 2 17 — 421 2 Collateralized mortgage obligations 8 62,873 1,231 — — 62,873 1,231 Corporate debt securities 28 105,435 3,342 1,316 85 106,751 3,427 Total 122 $ 202,557 $ 5,784 $ 1,333 $ 85 $ 203,890 $ 5,869 As of March 31, 2020, 77 state and political subdivisions securities with total unrealized losses of $1.2 million were held by the Company. Management evaluated these securities by considering the yield spread to treasury securities, credit agency ratings, and payment history. In addition, management evaluated the most recent financial information available for certain of these securities. Based on this evaluation, management concluded that the decline in fair value was not attributable to credit losses. As of March 31, 2020, 9 mortgage-backed securities and 8 collateralized mortgage obligations with unrealized losses were held by the Company. Management evaluated the payment history of these securities. In addition, management considered the implied U.S. government guarantee of these agency securities and the level of credit enhancement for non-agency securities. Based on this evaluation, management concluded that the decline in fair value was not attributable to credit losses. As of March 31, 2020, 28 corporate debt securities with total unrealized losses of $3.4 million were held by the Company. Management evaluated these securities by considering credit agency ratings and payment history. In addition, management evaluated the most recent financial information available for certain of these securities. Based on this evaluation, management concluded that the decline in fair value was not attributable to credit losses. Accrued interest receivable on available for sale debt securities, which is recorded within 'Other Assets,' totaled $4.6 million at March 31, 2020 and is excluded from the estimate of credit losses. The following table presents information pertaining to debt securities with gross unrealized losses as of December 31, 2019, aggregated by investment category and length of time that individual securities have been in a continuous loss position: As of December 31, 2019 Available for Sale Number of Securities Less than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses (in thousands, except number of securities) State and political subdivisions 47 $ 27,161 $ 322 $ 2,112 $ 26 $ 29,273 $ 348 Mortgage-backed securities 7 963 12 1,365 3 2,328 15 Collateralized mortgage obligations 33 103,395 719 65,604 1,246 168,999 1,965 Corporate debt securities 7 7,012 14 8,788 101 15,800 115 Total 94 $ 138,531 $ 1,067 $ 77,869 $ 1,376 $ 216,400 $ 2,443 Proceeds and gross realized gains and losses on debt securities available for sale for the three months ended March 31, 2020 and 2019 were as follows: Three Months Ended (in thousands) March 31, 2020 March 31, 2019 Proceeds from sales of debt securities available for sale $ 22,140 $ 7,280 Gross realized gains from sales of debt securities available for sale 155 26 Gross realized losses from sales of debt securities available for sale (113) (9) Net realized gain from sales of debt securities available for sale $ 42 $ 17 The contractual maturity distribution of investment debt securities at March 31, 2020, is shown below. Expected maturities of MBS and CMO may differ from contractual maturities because the mortgages underlying the securities may be called or prepaid without any penalties. Therefore, these securities are not included in the maturity categories in the following summary. Available For Sale (in thousands) Amortized Cost Fair Value Due in one year or less $ 42,982 $ 43,030 Due after one year through five years 185,876 186,530 Due after five years through ten years 225,762 227,898 Due after ten years 74,562 74,940 $ 529,182 $ 532,398 Mortgage-backed securities 41,191 42,601 Collateralized mortgage obligations 301,287 306,860 Total $ 871,660 $ 881,859

Loans Receivable and the Allowa

Loans Receivable and the Allowance for Credit Losses	3 Months Ended
	Mar. 31, 2020
Receivables [Abstract]
Loans Receivable and the Allowance for Credit Losses	Loans Receivable and the Allowance for Credit Losses The composition of loans by class of receivable was as follows: As of (in thousands) March 31, 2020 December 31, 2019 Agricultural $ 145,435 $ 140,446 Commercial and industrial 864,702 835,236 Commercial real estate: Construction & development 282,921 298,077 Farmland 168,777 181,885 Multifamily 217,108 227,407 Commercial real estate-other 1,111,640 1,107,490 Total commercial real estate 1,780,446 1,814,859 Residential real estate: One- to four- family first liens 389,055 407,418 One- to four- family junior liens 165,235 170,381 Total residential real estate 554,290 577,799 Consumer 80,889 82,926 Loans held for investment, net of unearned income 3,425,762 3,451,266 Allowance for credit losses (51,187) (29,079) Total loans held for investment, net $ 3,374,575 $ 3,422,187 Loans with unpaid principal in the amount of $918.2 million and $945.9 million at March 31, 2020 and December 31, 2019, respectively, were pledged to the FHLB as collateral for borrowings. Non-accrual and Delinquent Status Loans are placed on non-accrual when (1) payment in full of principal and interest is no longer expected or (2) principal or interest has been in default for 90 days or more unless the loan is both well secured with marketable collateral and in the process of collection. All loans rated doubtful or worse, and certain loans rated substandard, are placed on non-accrual. A non-accrual loan may be restored to an accrual status when (1) all past due principal and interest has been paid (excluding renewals and modifications that involve the capitalizing of interest) or (2) the loan becomes well secured with marketable collateral and is in the process of collection. An established track record of performance is also considered when determining accrual status. Loans are considered past due or delinquent when the contractual principal or interest due in accordance with the terms of the loan agreement or any portion thereof remains unpaid after the due date of the scheduled payment. As of March 31, 2020, the Company had no commitments to lend additional funds to borrowers who have a nonperforming loan. The following table presents the amortized cost basis of loans based on delinquency status: Age Analysis of Past-Due Financial Assets 90 Days or More Past Due And Accruing (in thousands) Current 30 - 59 Days Past Due 60 - 89 Days Past Due 90 Days or More Past Due Total March 31, 2020 Agricultural $ 137,398 $ 6,416 $ 416 $ 1,205 $ 145,435 $ — Commercial and industrial 858,489 1,999 436 3,778 864,702 62 Commercial real estate: Construction and development 281,109 431 649 732 282,921 — Farmland 157,371 1,760 2,062 7,584 168,777 — Multifamily 216,242 866 — — 217,108 — Commercial real estate-other 1,102,517 987 447 7,689 1,111,640 174 Total commercial real estate 1,757,239 4,044 3,158 16,005 1,780,446 174 Residential real estate: One- to four- family first liens 384,069 2,339 993 1,654 389,055 44 One- to four- family junior liens 164,590 331 136 178 165,235 — Total residential real estate 548,659 2,670 1,129 1,832 554,290 44 Consumer 80,528 140 46 175 80,889 23 Total $ 3,382,313 $ 15,269 $ 5,185 $ 22,995 $ 3,425,762 $ 303 December 31, 2019 Agricultural $ 137,715 $ 975 $ — $ 1,756 $ 140,446 $ — Commercial and industrial 828,842 846 270 5,278 835,236 — Commercial real estate: Construction and development 294,995 2,256 621 205 298,077 — Farmland 175,281 362 — 6,242 181,885 — Multifamily 227,013 394 — — 227,407 — Commercial real estate-other 1,102,504 1,965 347 2,674 1,107,490 — Total commercial real estate 1,799,793 4,977 968 9,121 1,814,859 — Residential real estate: One- to four- family first liens 402,471 2,579 857 1,511 407,418 99 One- to four- family junior liens 169,592 518 108 163 170,381 25 Total residential real estate 572,063 3,097 965 1,674 577,799 124 Consumer 82,558 150 80 138 82,926 12 Total $ 3,420,971 $ 10,045 $ 2,283 $ 17,967 $ 3,451,266 $ 136 The following table presents the amortized cost basis of loans on non-accrual status, loans past due 90 days or more and still accruing by class of loan and related interest income recognized: (in thousands) Beginning of Period Nonaccrual End of Period Nonaccrual Nonaccrual with no Allowance for Credit Losses 90 Days or More Past Due And Accruing Interest Income Recognized on Nonaccrual As of and for the Three Months Ended March 31, 2020 Agricultural $ 2,894 $ 3,585 $ 2,519 $ — $ 64 Commercial and industrial 13,276 11,755 6,140 62 56 Commercial real estate: Construction and development 1,494 867 701 — 35 Farmland 10,402 13,682 11,566 — 84 Multifamily — — — — 1 Commercial real estate-other 10,141 10,517 6,885 174 21 Total commercial real estate 22,037 25,066 19,152 174 141 Residential real estate: One- to four- family first liens 2,557 2,777 581 44 8 One- to four- family junior liens 513 568 1 — 1 Total residential real estate 3,070 3,345 582 44 9 Consumer 206 222 25 23 2 Total $ 41,483 $ 43,973 $ 28,418 $ 303 $ 272 Credit Quality Information The Company aggregates loans into risk categories based on relevant information about the ability of borrowers to service their debt, such as: current financial information, historical payment experience, credit documentation, and other factors. The Company analyzes loans individually to classify the loans as to credit risk. This analysis includes non-homogenous loans, such as agricultural, commercial and industrial, and commercial real estate loans. Loans not meeting the criteria described below that are analyzed individually are considered to be pass-rated. The Company uses the following definitions for risk ratings: Special Mention/Watch - A special mention/watch asset has potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Company’s credit position at some future date. Special mention/watch assets are not adversely classified and do not expose the Company to sufficient risk to warrant adverse classification. Substandard - Substandard loans are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Doubtful - Loans classified as doubtful have all the weaknesses inherent in those classified as substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently known facts, conditions and values, highly questionable and improbable. Loss - Loans classified as loss are considered uncollectible and of such little value that their continuance as bankable assets is not warranted. This classification does not mean that the loan has absolutely no recovery or salvage value but rather it is not practical or desirable to defer writing off this basically worthless asset even though partial recovery may be affected in the future. Homogenous loans, including residential real estate and consumer loans, are not individually risk rated. Instead, these loans are categorized based on performance: performing and nonperforming. Nonperforming loans include those loans on nonaccrual, loans greater than 90 days past due and on accrual, and TDRs on accrual. The following table sets forth the amortized cost basis of loans by class of receivable by credit quality indicator and vintage based on the most recent analysis performed, as of March 31, 2020. As of March 31, 2020, there were no 'loss' rated credits. Term Loans by Origination Year Revolving Loans March 31, 2020 (in thousands) 2020 2019 2018 2017 2016 Prior Total Agricultural Pass $ 14,609 $ 15,786 $ 8,035 $ 3,272 $ 3,135 $ 3,220 $ 74,018 $ 122,075 Special mention / watch 3,749 1,268 591 404 897 344 5,543 12,796 Substandard 124 1,443 1,009 176 256 2,786 4,770 10,564 Doubtful — — — — — — — — Total $ 18,482 $ 18,497 $ 9,635 $ 3,852 $ 4,288 $ 6,350 $ 84,331 $ 145,435 Commercial and industrial Pass $ 62,134 $ 135,839 $ 99,140 $ 113,934 $ 54,861 $ 127,025 $ 227,607 $ 820,540 Special mention / watch 334 2,143 2,717 4,012 990 5,545 9,814 25,555 Substandard 2,384 3,259 1,046 1,381 1,417 2,666 6,454 18,607 Doubtful — — — — — — — — Total $ 64,852 $ 141,241 $ 102,903 $ 119,327 $ 57,268 $ 135,236 $ 243,875 $ 864,702 CRE - Construction and development Pass $ 18,964 $ 136,833 $ 44,024 $ 34,407 $ 2,285 $ 2,076 $ 29,539 $ 268,128 Special mention / watch 989 800 590 — — 35 9,059 11,473 Substandard 615 1,979 — — 116 45 565 3,320 Doubtful — — — — — — — — Total $ 20,568 $ 139,612 $ 44,614 $ 34,407 $ 2,401 $ 2,156 $ 39,163 $ 282,921 CRE - Farmland Pass $ 10,749 $ 38,099 $ 19,395 $ 20,402 $ 12,113 $ 28,798 $ 3,521 $ 133,077 Special mention / watch 1,672 7,034 1,973 1,998 1,255 1,296 703 15,931 Substandard 1,218 5,165 3,890 1,851 427 6,647 571 19,769 Doubtful — — — — — — — — Total $ 13,639 $ 50,298 $ 25,258 $ 24,251 $ 13,795 $ 36,741 $ 4,795 $ 168,777 CRE - Multifamily Pass $ 50,291 $ 21,562 $ 23,646 $ 25,045 $ 21,887 $ 59,026 $ 14,490 $ 215,947 Special mention / watch — — — — 85 — — 85 Substandard — 1,076 — — — — — 1,076 Doubtful — — — — — — — — Total $ 50,291 $ 22,638 $ 23,646 $ 25,045 $ 21,972 $ 59,026 $ 14,490 $ 217,108 CRE - other Pass $ 115,059 $ 216,822 $ 113,410 $ 186,570 $ 148,073 $ 201,195 $ 60,246 $ 1,041,375 Special mention / watch 1,668 21,535 6,378 7,060 4,520 10,027 273 51,461 Substandard — 1,693 7,223 4,432 1,278 4,043 135 18,804 Doubtful — — — — — — — — Total $ 116,727 $ 240,050 $ 127,011 $ 198,062 $ 153,871 $ 215,265 $ 60,654 $ 1,111,640 RRE - One- to four- family first liens Performing $ 32,556 $ 76,673 $ 59,926 $ 56,374 $ 49,581 $ 101,470 $ 8,805 $ 385,385 Nonperforming — 139 269 578 347 2,321 16 3,670 Total $ 32,556 $ 76,812 $ 60,195 $ 56,952 $ 49,928 $ 103,791 $ 8,821 $ 389,055 RRE - One- to four- family junior liens Performing $ 2,215 $ 16,329 $ 19,152 $ 9,441 $ 4,848 $ 9,022 $ 103,524 $ 164,531 Nonperforming — 84 — 33 253 312 22 704 Total $ 2,215 $ 16,413 $ 19,152 $ 9,474 $ 5,101 $ 9,334 $ 103,546 $ 165,235 Consumer Performing $ 7,561 $ 23,785 $ 17,137 $ 8,025 $ 6,031 $ 7,657 $ 10,471 $ 80,667 Nonperforming — 35 49 68 28 40 2 222 Total $ 7,561 $ 23,820 $ 17,186 $ 8,093 $ 6,059 $ 7,697 $ 10,473 $ 80,889 The following table sets forth the risk category of loans by class of loans and credit quality indicator used on the most recent analysis performed as of December 31, 2019: 2019 Pass Special Mention / Watch Substandard Doubtful Loss Total Agricultural $ 117,374 $ 13,292 $ 9,780 $ — $ — $ 140,446 Commercial and industrial 794,526 19,038 21,635 1 36 835,236 Commercial real estate: Construction and development 283,921 11,423 2,733 — — 298,077 Farmland 141,107 21,307 19,471 — — 181,885 Multifamily 226,124 90 1,193 — — 227,407 Commercial real estate-other 1,036,418 50,691 20,381 — — 1,107,490 Total commercial real estate 1,687,570 83,511 43,778 — — 1,814,859 Residential real estate: One- to four- family first liens 396,175 4,547 6,532 164 — 407,418 One- to four- family junior liens 168,229 1,282 870 — — 170,381 Total residential real estate 564,404 5,829 7,402 164 — 577,799 Consumer 82,650 39 218 19 — 82,926 Total $ 3,246,524 $ 121,709 $ 82,813 $ 184 $ 36 $ 3,451,266 Allowance for Credit Losses At March 31, 2020, the economic forecast used by the Company showed a significant increase in Midwest unemployment, significant decreases in national retail sales, the CRE index, and US GDP, and moderate increases in the national home price index and US rental vacancy rate for the first forecasted quarter. The forecast projected gradual improvement in the Midwest unemployment, national retail sales, and US GDP forecasts over the next three quarters with these loss drivers remaining significantly worse compared to recent historical trends over the past several years. The CRE index and US rental vacancy rate forecasts project further decline over the next two quarters before a gradual improvement. The national home price index forecast remains favorable over the next three quarters. The significant change in current and forecasted conditions was largely a result of the COVID-19 pandemic. We have made a policy election to report interest receivable as a separate line on the balance sheet. Accrued interest receivable, which is recorded within 'Other Assets' totaled $12.2 million at March 31, 2020 and is excluded from the estimate of credit losses. The changes in the allowance for credit losses by portfolio segment were as follows: For the Three Months Ended March 31, 2020 and 2019 (in thousands) Agricultural Commercial and Industrial Commercial Real Estate Residential Real Estate Consumer Total For the Three Months Ended March 31, 2020 Beginning balance, prior to adoption of ASC 326 $ 3,748 $ 8,394 $ 13,804 $ 2,685 $ 448 $ 29,079 Day 1 transition adjustment from adoption of ASC 326 (2,557) 2,728 1,300 2,050 463 3,984 Charge-offs (84) (471) (720) — (222) (1,497) Recoveries 25 213 8 7 46 299 Credit loss expense (1) 14 8,445 8,746 1,683 434 19,322 Ending balance $ 1,146 $ 19,309 $ 23,138 $ 6,425 $ 1,169 $ 51,187 For the Three Months Ended March 31, 2019 Beginning balance $ 3,637 $ 7,478 $ 15,635 $ 2,349 $ 208 $ 29,307 Charge-offs (134) (354) (650) (49) (168) (1,355) Recoveries 7 48 8 9 34 106 Credit loss expense 181 422 (195) 963 223 1,594 Ending balance $ 3,691 $ 7,594 $ 14,798 $ 3,272 $ 297 $ 29,652 (1) The difference in the credit loss expense reported herein as compared to the Consolidated Statements of Income is associated with the credit loss expense of $2.4 million related to off-balance sheet credit exposures. The composition of allowance for credit losses by portfolio segment based on evaluation method were as follows: As of March 31, 2020 (in thousands) Agricultural Commercial and Industrial Commercial Real Estate Residential Real Estate Consumer Total Loans held for investment, net of unearned income Individually evaluated for impairment $ 3,256 $ 10,778 $ 23,764 $ 710 $ 21 $ 38,529 Collectively evaluated for impairment 142,179 853,924 1,756,682 553,580 80,868 3,387,233 Total $ 145,435 $ 864,702 $ 1,780,446 $ 554,290 $ 80,889 $ 3,425,762 Allowance for credit losses: Individually evaluated for impairment $ 251 $ 1,920 $ 1,651 $ 103 $ — $ 3,925 Collectively evaluated for impairment 895 17,389 21,487 6,322 1,169 47,262 Total $ 1,146 $ 19,309 $ 23,138 $ 6,425 $ 1,169 $ 51,187 As of December 31, 2019 (in thousands) Agricultural Commercial and Industrial Commercial Real Estate Residential Real Estate Consumer Total Loans held for investment, net of unearned income Individually evaluated for impairment $ 4,312 $ 12,242 $ 16,082 $ 838 $ 21 $ 33,495 Collectively evaluated for impairment 135,246 822,939 1,781,306 572,865 82,864 3,395,220 Purchased credit impaired loans 888 55 17,471 4,096 41 22,551 Total $ 140,446 $ 835,236 $ 1,814,859 $ 577,799 $ 82,926 $ 3,451,266 Allowance for loan losses: Individually evaluated for impairment $ 212 $ 2,198 $ 1,180 $ 73 $ — $ 3,663 Collectively evaluated for impairment 3,536 6,194 11,836 2,152 448 24,166 Purchased credit impaired loans — 2 788 460 — 1,250 Total $ 3,748 $ 8,394 $ 13,804 $ 2,685 $ 448 $ 29,079 The following table presents the amortized cost basis of collateral dependent loans, by the primary collateral type, which are individually evaluated to determine expected credit losses, and the related ACL allocated to these loans: As of March 31, 2020 Primary Type of Collateral Real Estate Accounts Receivable Equipment Other Total ACL Allocation Agricultural $ 1,181 $ — $ 1,708 $ 367 $ 3,256 $ 251 Commercial and industrial 1,060 — 5,703 4,016 10,779 1,920 Commercial real estate: Construction and development 700 — — — 700 — Farmland 13,195 — — — 13,195 657 Multifamily — — — — — — Commercial real estate-other 9,869 — — — 9,869 994 Residential real estate: One- to four- family first liens 710 — — — 710 103 One- to four- family junior liens — — — — — — Consumer — — 21 — 21 — Total $ 26,715 $ — $ 7,432 $ 4,383 $ 38,530 $ 3,925 Troubled Debt Restructurings TDRs totaled $11.7 million and $11.0 million as of March 31, 2020 and December 31, 2019, respectively. The following table sets forth information on the Company's TDRs by class of financing receivable occurring during the stated periods. TDRs may include multiple concessions, and the disclosure classifications in the table are based on the primary concession provided to the borrower. Three Months Ended March 31, 2020 2019 Number of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Number of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment (dollars in thousands) CONCESSION - Extended maturity date Commercial and industrial 1 $ 242 $ 242 — $ — $ — Commercial real estate-other 2 485 485 — — — One- to four- family junior liens — — — 1 51 51 Total 3 $ 727 $ 727 1 $ 51 $ 51 For the three months ended March 31, 2020, the Company had zero TDRs that redefaulted within 12 months subsequent to restructure. For the three months ended March 31, 2019, the Company had zero TDRs that redefaulted within 12 months subsequent to restructure. Pre-ASC 326 Adoption Impaired Loan Disclosures The following table presents loans individually evaluated for impairment by class of receivable, as of December 31, 2019: December 31, 2019 (in thousands) Recorded Investment Unpaid Principal Balance Related Allowance With no related allowance recorded: Agricultural $ 2,383 $ 2,913 $ — Commercial and industrial 7,391 10,875 — Commercial real estate: Construction and development 1,181 1,218 — Farmland 4,306 4,331 — Multifamily — — — Commercial real estate-other 5,709 5,854 — Total commercial real estate 11,196 11,403 — Residential real estate: One- to four- family first liens 577 578 — One- to four- family junior liens — — — Total residential real estate 577 578 — Consumer 21 21 — Total $ 21,568 $ 25,790 $ — With an allowance recorded: Agricultural $ 1,929 $ 1,930 $ 212 Commercial and industrial 4,851 5,417 2,198 Commercial real estate: Construction and development 135 135 135 Farmland 1,109 1,148 347 Multifamily — — — Commercial real estate-other 3,642 4,229 698 Total commercial real estate 4,886 5,512 1,180 Residential real estate: One- to four- family first liens 261 262 73 One- to four- family junior liens — — — Total residential real estate 261 262 73 Consumer — — — Total $ 11,927 $ 13,121 $ 3,663 Total: Agricultural $ 4,312 $ 4,843 $ 212 Commercial and industrial 12,242 16,292 2,198 Commercial real estate: Construction and development 1,316 1,353 135 Farmland 5,415 5,479 347 Multifamily — — — Commercial real estate-other 9,351 10,083 698 Total commercial real estate 16,082 16,915 1,180 Residential real estate: One- to four- family first liens 838 840 73 One- to four- family junior liens — — — Total residential real estate 838 840 73 Consumer 21 21 — Total $ 33,495 $ 38,911 $ 3,663 The following table presents the average recorded investment and interest income recognized for loans individually evaluated for impairment by class of receivable, during the stated period: Three Months Ended March 31, 2019 (in thousands) Average Recorded Investment Interest Income Recognized With no related allowance recorded: Agricultural $ 1,538 $ — Commercial and industrial 2,343 — Commercial real estate: Construction and development — — Farmland 1,011 — Multifamily — — Commercial real estate-other 1,185 6 Total commercial real estate 2,196 6 Residential real estate: One- to four- family first liens 75 — One- to four- family junior liens 305 1 Total residential real estate 380 1 Consumer — — Total $ 6,457 $ 7 With an allowance recorded: Agricultural $ 2,735 $ — Commercial and industrial 5,460 — Commercial real estate: Construction and development — — Farmland 1,442 — Multifamily — — Commercial real estate-other 3,966 3 Total commercial real estate 5,408 3 Residential real estate: One- to four- family first liens 394 1 One- to four- family junior liens — — Total residential real estate 394 1 Consumer 11 — Total $ 14,008 $ 4 Total: Agricultural $ 4,273 $ — Commercial and industrial 7,803 — Commercial real estate: Construction and development — — Farmland 2,453 — Multifamily — — Commercial real estate-other 5,151 9 Total commercial real estate 7,604 9 Residential real estate: One- to four- family first liens 469 1 One- to four- family junior liens 305 1 Total residential real estate 774 2 Consumer 11 — Total $ 20,465 $ 11 Purchased Credit Impaired Loans (Pre-ASC 326 Adoption) The following table summarizes the outstanding balance and carrying amount of our PCI loans that were identified prior to the adoption of ASC 326: December 31, 2019 (in thousands) Agricultural $ 904 Commercial and industrial 147 Commercial real estate 17,803 Residential real estate 4,136 Consumer 57 Outstanding balance 23,047 Carrying amount 22,551 Allowance for credit losses 1,250 Carrying amount, net of allowance for credit losses $ 21,301

Derivatives, Hedging Activities

Derivatives, Hedging Activities and Balance Sheet Offsetting	3 Months Ended
	Mar. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives, Hedging Activities and Balance Sheet Offsetting	Derivatives, Hedging Activities and Balance Sheet Offsetting The following table presents the total notional amounts and gross fair values of the Company’s derivatives as of the dates indicated. The derivative asset and liability balances are presented on a gross basis, prior to the application of master netting agreements, as included in other assets and other liabilities, respectively, on the consolidated balance sheets. The fair values of the Company's derivative instrument assets and liabilities are summarized as follows: As of March 31, 2020 As of December 31, 2019 Notional Amount Fair Value Notional Amount Fair Value (in thousands) Assets Liabilities Assets Liabilities Designated as hedging instruments Fair value hedges Interest rate swaps $ 16,625 $ — $ 2,875 $ 16,734 $ — $ 1,113 Cash flow hedges Interest rate swaps 30,000 — 894 — — — Total $ 46,625 $ — $ 3,769 $ 16,734 $ — $ 1,113 Not designated as hedging instruments: Interest rate swaps $ 281,492 $ 12,499 $ 12,533 $ 113,632 $ 1,824 $ 1,999 RPAs - protection sold 4,646 1 — 4,702 24 — RPAs - protection purchased 9,965 — 3 10,009 — 130 Total $ 296,103 $ 12,500 $ 12,536 $ 128,343 $ 1,848 $ 2,129 Derivatives Designated as Hedging Instruments The Company uses derivative instruments to hedge its exposure to economic risks, including interest rate, liquidity, and credit risk. Certain hedging relationships are formally designated and qualify for hedge accounting under GAAP as fair value or cash flow hedges. Fair Value Hedges - Derivatives are designated as fair value hedges to limit the Company's exposure to changes in the fair value of assets or liabilities due to movements in interest rates. The Company entered into pay-fixed receive-floating interest rate swaps to manage its exposure to changes in fair value in certain fixed-rate assets. The gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in interest income. Cash Flow Hedges - Derivatives are designated as cash flow hedges in order to minimize the variability in cash flows of earning assets or forecasted transactions caused by movement in interest rates. In February 2020, the Company entered into a pay-fixed receive-variable interest rate swap with a notional of $30,000,000 to hedge against adverse fluctuations in interest rates by reducing exposure to variability in cash flows relating to interest payments on the Company's variable rate debt. The interest rate swap is designated as a cash flow hedge. The gain or loss on the derivative is recorded in accumulated other comprehensive income and subsequently reclassified into interest expense in the same period(s) during which the hedged transaction affects earnings. During 2020, the Company estimates that an additional $298 thousand will be reclassified to interest expense. The table below presents the effect of cash flow hedge accounting on AOCI as of March 31, 2020 and 2019, respectively. Amount of Gain or (Loss) Recognized in AOCI on Derivative Location of Gain or (Loss) Reclassified from AOCI into Income Amount of Gain (Loss) Reclassified from AOCI into Income Three Months Ended March 31, Three Months Ended March 31, (in thousands) 2020 2019 2020 2019 Interest rate swaps $ (888) $ — Interest Expense $ 5 $ — The table below presents the effect of the Company’s derivative financial instruments designated as hedging instruments on the consolidated statements of income for the periods indicated: Location and Amount of Gain or Loss Recognized in Income on Fair Value and Cash Flow Hedging Relationships For the Three Months Ended March 31, 2020 2019 (in thousands) Interest Income Interest Expense Interest Income Interest Expense Total amounts of income and expense line items presented in the consolidated statements of income in which the effects of fair value or cash flow hedges are recorded $ (47) $ (5) $ (1) $ — The effects of fair value and cash flow hedging: Gain (loss) on fair value hedging relationships in subtopic 815-20: Interest contracts: Hedged items 1,750 — 304 — Derivative designated as hedging instruments (1,797) — (305) — Income statement effect of cash flow hedging relationships in subtopic 815-20: Interest contracts: Amount reclassified from AOCI into income — (5) — — As of March 31, 2020, the following amounts were recorded on the balance sheet related to cumulative basis adjustment for fair value hedges: Line Item in the Balance Sheet in Which the Hedged Item is Included Carrying Amount of the Hedged Assets Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Asset (in thousands) Loans $ 19,493 $ 2,861 Derivatives Not Designated as Hedging Instruments Interest Rate Swaps - The Company has also entered into interest rate swap contracts. The derivative contracts related to transactions in which the Company enters into an interest rate swap with a customer, while simultaneously entering into an offsetting interest rate swap with an institutional counterparty. Credit Risk Participation Agreements - The Company enters into RPAs to manage the credit exposure on interest rate contracts associated with a syndicated loan. The Company may enter into protection purchased RPAs with institutional counterparties to decrease or increase its exposure to a borrower. Under the RPA, the Company will receive or make payment if a borrower defaults on the related interest rate contract. The notional amount of the RPAs reflects the Company’s pro-rata share of the derivative instrument. The following table presents the net gains (losses) recognized on the consolidated statements of income related to the derivatives not designated as hedging instruments for the periods indicated: Location in the Consolidated Statements of Income For the Three Months Ended March 31, (in thousands) 2020 2019 Interest rate swaps Other income $ 141 $ (22) RPAs Other income 103 (17) Total $ 244 $ (39) Offsetting of Derivatives The Company has entered into agreements with certain counterparty financial institutions, which include master netting agreements. However, the Company has elected to account for all derivatives with counterparty institutions on a gross basis. The Company manages the risk of default by its borrower counterparties through its normal loan underwriting and credit monitoring policies and procedures. The following table below presents gross derivatives and the respective collateral received or pledged in the form of other financial instruments as of March 31, 2020 and December 31, 2019, which are generally marketable securities and/or cash. The collateral amounts in the table below are limited to the outstanding balances of the related asset or liability (after netting is applied); thus instances of overcollateralization are not shown. Further, the net amounts of derivative assets or liabilities can be reconciled to the tabular disclosure of fair value. The tabular disclosure of fair value provides the location that derivative assets and liabilities are presented on the consolidated balance sheets. Gross Amounts Not Offset in the Balance Sheet (in thousands) Gross Amounts of Recognized Assets (Liabilities) Gross Amounts Offset in the Balance Sheet Net Amounts of Assets (Liabilities) presented in the Balance Sheet Financial Instruments Cash Collateral Pledged Net Assets (Liabilities) As of March 31, 2020 Asset Derivatives $ 12,500 $ — $ 12,500 $ — $ — $ 12,500 Liability Derivatives (16,305) — (16,305) — (16,305) — As of December 31, 2019 Asset Derivatives $ 1,848 $ — $ 1,848 $ — $ — $ 1,848 Liability Derivatives (3,242) — (3,242) — (3,242) — Credit-risk-related Contingent Features The Company has an unsecured federal funds line with its institutional derivative counterparty. The Company has an agreement with its institutional derivative counterparty that contains a provision under which if the Company defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, then the Company could also be declared in default on its derivative obligations. The Company also has an agreement with its derivative counterparty that contains a provision under which the Company could be declared in default on its derivative obligations if repayment of the underlying indebtedness is accelerated by the lender due to the Company’s default on the indebtedness. As of March 31, 2020, the fair value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was $16.4 million. As of March 31, 2020, the Company had minimum collateral posting thresholds with certain of its derivative counterparties and has posted $16.3 million of collateral related to these agreements. If the Company had breached any of these provisions at March 31, 2020, it could have been required to settle its obligations under the agreements at their termination value of $16.4 million.

Goodwill and Intangible Assets

Goodwill and Intangible Assets	3 Months Ended
	Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Text Block]	Goodwill and Intangible Assets The following table presents the changes in the carrying amount of goodwill for the periods indicated: Three Months Ended March 31, (in thousands) 2020 Goodwill, beginning of period $ 91,918 Fair value adjustment 2,059 Total goodwill, end of period $ 93,977 Goodwill adjustments included the finalization of the purchase accounting adjustments for the ATBancorp acquisition. The following table presents the gross carrying amount, accumulated amortization, and net carrying amount of other intangible assets for the periods indicated: As of March 31, 2020 As of December 31, 2019 (in thousands) Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Core deposit intangible $ 41,745 $ (22,558) $ 19,187 $ 41,745 $ (21,032) $ 20,713 Customer relationship intangible 5,265 (1,661) 3,604 5,265 (1,195) 4,070 Other 2,700 (2,341) 359 2,700 (2,305) 395 $ 49,710 $ (26,560) $ 23,150 $ 49,710 $ (24,532) $ 25,178 Indefinite-lived trade name intangible $ 7,040 $ 7,040 The following table provides the estimate future amortization expense for the remaining nine months ending December 31, 2020 and the succeeding periods: Core Deposit Intangible Customer Relationship Intangible Other Total Estimated Amortization Expense for the Year Ending December 31, 2020 $ 3,881 $ 969 $ 97 $ 4,947 2021 4,190 1,062 106 5,358 2022 3,487 797 79 4,363 2023 2,833 518 51 3,402 2024 2,180 239 24 2,443 Thereafter 2,616 19 2 2,637 Total $ 19,187 $ 3,604 $ 359 $ 23,150

Other Assets

Other Assets	3 Months Ended
	Mar. 31, 2020
Other Assets [Abstract]
Other Assets	Other Assets The components of the Company's other assets as of March 31, 2020 and December 31, 2019 were as follows: (in thousands) March 31, 2020 December 31, 2019 Bank-owned life insurance $ 82,146 $ 81,625 Interest receivable 17,029 18,525 FHLB stock 13,773 15,381 Mortgage servicing rights 6,579 7,026 Operating lease ROU assets, net 4,237 4,499 Federal & state taxes, current — 2,318 Federal & state taxes, deferred 8,532 3,530 Derivative assets 12,500 1,848 Other receivables/assets 12,656 13,208 $ 157,452 $ 147,960 The increase in other assets is primarily attributable to the increase in the total amount of the net derivative assets. See Note 6. D erivatives, Hedging Activities and Balance Sheet Offsetting for further details.

Deposits

Deposits	3 Months Ended
	Mar. 31, 2020
Deposits [Abstract]
Deposits	Deposits The following table presents the composition of our deposits as of the dates indicated: (in thousands) As of March 31, 2020 As of December 31, 2019 Noninterest bearing deposits $ 637,127 $ 662,209 Interest checking deposits 995,762 962,830 Money market deposits 793,482 763,028 Savings deposits 404,100 387,142 Time deposits under $250,000 688,409 682,232 Time deposits of $250,000 or more 340,964 271,214 Total deposits $ 3,859,844 $ 3,728,655 The Company had $5.0 million and $6.6 million in brokered time deposits through the CDARS program as of March 31, 2020 and December 31, 2019, respectively. Included in money market deposits at March 31, 2020 and December 31, 2019 were $11.4 million and $10.1 million, respectively, of brokered deposits through the ICS program. As of March 31, 2020 and December 31, 2019, the Company had public entity deposits that were collateralized by investment securities of $114.6 million and $96.6 million, respectively.

Short-Term Borrowings

Short-Term Borrowings	3 Months Ended
	Mar. 31, 2020
Short-term Debt [Abstract]
Short-Term Borrowings	Short-Term Borrowings The following table summarizes our short-term borrowings as of the dates indicated: March 31, 2020 December 31, 2019 (in thousands) Weighted Average Rate Balance Weighted Average Rate Balance Securities sold under agreements to repurchase 0.90 % $ 129,489 1.06 % $ 117,249 Federal Home Loan Bank advances — — 1.73 22,100 Total 0.90 % $ 129,489 1.17 % $ 139,349 Securities sold under agreements to repurchase are agreements in which the Company acquires funds by selling assets to another party under a simultaneous agreement to repurchase the same assets at a specified price and date. The Company enters into repurchase agreements and also offers a demand deposit account product to customers that sweeps their balances in excess of an agreed upon target amount into overnight repurchase agreements. All securities sold under agreements to repurchase are recorded on the face of the balance sheet. The Bank has a secured line of credit with the FHLBDM. Advances from the FHLBDM are collateralized primarily by one- to four-family residential, commercial and agricultural real estate first mortgages equal to various percentages of the total outstanding notes. See Note 5. Loans Receivable and the Allowance for Credit Losses of the notes to the consolidated financial statements. The Bank has unsecured federal funds lines totaling $170.0 million from multiple correspondent banking relationships. There were no borrowings from such lines at either March 31, 2020 or December 31, 2019. At March 31, 2020 and December 31, 2019, the Company had no Federal Reserve Discount Window borrowings, while the financing capacity was $61.5 million as of March 31, 2020 and $12.7 million as of December 31, 2019. As of March 31, 2020 and December 31, 2019, the Bank had municipal securities with a market value of $68.3 million and $13.0 million, respectively, pledged to the Federal Reserve Bank of Chicago to secure potential borrowings.

Long-Term Debt

Long-Term Debt	3 Months Ended
	Mar. 31, 2020
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt Junior Subordinated Notes Issued to Capital Trusts The table below summarizes the terms of each issuance of junior subordinated notes outstanding as of the dates indicated: (in thousands) Face Value Book Value Interest Rate Rate Maturity Date Callable Date March 31, 2020 ATBancorp Statutory Trust I $ 7,732 $ 6,823 Three-month LIBOR + 1.68% 2.42 % 06/15/2036 06/15/2011 ATBancorp Statutory Trust II 12,372 10,808 Three-month LIBOR + 1.65% 2.39 % 06/15/2037 06/15/2012 Central Bancshares Capital Trust II 7,217 6,795 Three-month LIBOR + 3.50% 4.24 % 03/15/2038 03/15/2013 Barron Investment Capital Trust I 2,062 1,741 Three-month LIBOR + 2.15% 3.35 % 09/23/2036 09/23/2011 MidWestOne Statutory Trust II 15,464 15,464 Three-month LIBOR + 1.59% 2.33 % 12/15/2037 12/15/2012 Total $ 44,847 $ 41,631 December 31, 2019 ATBancorp Statutory Trust I $ 7,732 $ 6,814 Three-month LIBOR + 1.68% 3.57 % 06/15/2036 06/15/2011 ATBancorp Statutory Trust II 12,372 10,794 Three-month LIBOR + 1.65% 3.54 % 09/15/2037 06/15/2012 Central Bancshares Capital Trust II 7,217 6,783 Three-month LIBOR + 3.50% 5.39 % 03/15/2038 03/15/2013 Barron Investment Capital Trust I 2,062 1,732 Three-month LIBOR + 2.15% 4.08 % 09/23/2036 09/23/2011 MidWestOne Statutory Trust II 15,464 15,464 Three-month LIBOR + 1.59% 3.48 % 12/15/2037 12/15/2012 Total $ 44,847 $ 41,587 Subordinated Debentures On May 1, 2019, with the acquisition of ATBancorp, the Company assumed $10.9 million of subordinated debentures. These debentures have a stated maturity of May 31, 2023, and bear interest at a fixed annual rate of 6.50%, with interest payable semi-annually on March 15th and September 15th. The Company has the option to redeem the debentures, in whole or part, at any time on or after May 31, 2021. The debentures constitute Tier 2 capital under the rules and regulations of the Federal Reserve applicable to the capital status of the subordinated debt of bank holding companies. Beginning on the fifth anniversary preceding the maturity date of each debenture, we were required to begin amortizing the amount of the debentures that may be treated as Tier 2 capital. Specifically, we will lose Tier 2 treatment for 20% of the amount of the debentures in each of the final five years preceding maturity, such that during the final year, we will not be permitted to treat any portion of the debentures as Tier 2 capital. At March 31, 2020, we were permitted to treat 60% of the debentures as Tier 2 capital. Other Long-Term Debt Long-term borrowings were as follows as of March 31, 2020 and December 31, 2019: March 31, 2020 December 31, 2019 (in thousands) Weighted Average Rate Balance Weighted Average Rate Balance Finance lease payable 8.89 % $ 1,194 8.89 % $ 1,224 FHLB borrowings 2.30 125,673 2.25 145,700 Notes payable to unaffiliated bank 3.11 30,482 3.44 32,250 Total 2.51 % $ 157,349 2.51 % $ 179,174 As a member of the FHLBDM, the Bank may borrow funds from the FHLB in amounts up to 45% of the Bank’s total assets, provided the Bank is able to pledge an adequate amount of qualified assets to secure the borrowings. Advances from the FHLB are collateralized primarily by one- to four-family residential, commercial and agricultural real estate first mortgages equal to various percentages of the total outstanding notes. See Note 5. Loans Receivable and the Allowance for Credit Losses of the notes to the consolidated financial statements. At March 31, 2020, FHLB long-term borrowings included advances from the FHLBC, which were collateralized by investment securities. See Note 4 . Debt Securities of the notes to the consolidated financial statements. On April 30, 2015, the Company entered into a $35.0 million unsecured note payable with a correspondent bank with a maturity date of June 30, 2020. As of March 31, 2020, $1.6 million of that note was outstanding. On April 30, 2019, the Company entered into a $35.0 million unsecured note payable with a correspondent bank with a maturity date of April 30, 2024. Quarterly principal and interest payments began June 30, 2019 and, as of March 31, 2020, $28.9 million of that note was outstanding.

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Income tax expense for the three months ended March 31, 2020 and 2019 varied from the amount computed by applying the maximum effective federal income tax rate of 21%, to the income before income taxes, because of the following items: For the Three Months Ended March 31, 2020 2019 (in thousands) Amount % of Pretax Income Amount % of Pretax Income Income tax based on statutory rate $ (876) (21.0) % $ 1,927 21.0 % Tax-exempt interest (643) (15.4) (468) (5.1) Bank-owned life insurance (109) (2.6) (82) (0.9) State income taxes, net of federal income tax benefit (191) (4.6) 487 5.3 Non-deductible acquisition expenses — — 26 0.3 General business credits (383) (9.2) (14) (0.2) Other 4 — 14 0.2 Total income tax expense (benefit) $ (2,198) (52.8) % $ 1,890 20.6 %

Earnings per Share

Earnings per Share	3 Months Ended
	Mar. 31, 2020
Earnings Per Share [Abstract]
Earnings per Share	Earnings per Share The following table presents the computation of basic and diluted earnings per common share for the periods indicated: Three Months Ended March 31, (dollars in thousands, except per share amounts) 2020 2019 Basic Earnings Per Share: Net income (loss) $ (1,975) $ 7,285 Weighted average shares outstanding 16,141,500 12,164,360 Basic earnings (loss) per common share $ (0.12) $ 0.60 Diluted Earnings Per Share: Net income (loss) (1,975) $ 7,285 Weighted average shares outstanding, including all dilutive potential shares 16,141,500 12,176,757 Diluted earnings (loss) per common share $ (0.12) $ 0.60 The weighted average shares that have an antidilutive effect in the calculation of diluted earnings per common share and have been excluded from the computations above were as follows: For the Three Months Ended March 31, 2020 Dilutive shares (1) 18,042 (1) Dilutive potential shares that were excluded from the computation of diluted earnings per common share for the three months ended March 31, 2020 as a result of the reported net loss available to common shareholders.

Regulatory Capital Requirements

Regulatory Capital Requirements and Restrictions on Subsidiary Cash	3 Months Ended
	Mar. 31, 2020
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
Regulatory Capital Requirements and Restrictions on Subsidiary Cash	Regulatory Capital Requirements and Restrictions on Subsidiary CashThe Company (on a consolidated basis) and the Bank are 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 the Company's consolidated financial statements. The capital amounts and classification also are subject to qualitative judgments by the regulators about components, risk weightings and other factors. A comparison of the Company's and the Bank's capital with the corresponding minimum regulatory requirements in effect as of March 31, 2020 and December 31, 2019, is presented below: Actual For Capital Adequacy Purposes With Capital Conservation Buffer(1) To Be Well Capitalized Under Prompt Corrective Action Provisions (dollars in thousands) Amount Ratio Amount Ratio Amount Ratio At March 31, 2020 Consolidated: Total capital/risk weighted assets $478,203 11.48% $437,295 10.50% N/A N/A Tier 1 capital/risk weighted assets 427,059 10.25 354,000 8.50 N/A N/A Common equity tier 1 capital/risk weighted assets 385,428 9.25 291,530 7.00 N/A N/A Tier 1 leverage capital/average assets 427,059 9.39 181,950 4.00 N/A N/A MidWest One Bank: Total capital/risk weighted assets $500,343 12.03% $436,868 10.50% $416,065 10.00% Tier 1 capital/risk weighted assets 455,700 10.95 353,655 8.50 332,852 8.00 Common equity tier 1 capital/risk weighted assets 455,700 10.95 291,246 7.00 270,442 6.50 Tier 1 leverage capital/average assets 455,700 10.03 181,680 4.00 227,099 5.00 At December 31, 2019 Consolidated: Total capital/risk weighted assets $463,601 11.34% $429,077 10.50% N/A N/A Tier 1 capital/risk weighted assets 428,021 10.47 347,348 8.50 N/A N/A Common equity tier 1 capital/risk weighted assets 386,434 9.46 286,051 7.00 N/A N/A Tier 1 leverage capital/average assets 428,021 9.48 180,529 4.00 N/A N/A MidWest One Bank: Total capital/risk weighted assets $482,106 11.83% $427,877 10.50% $407,502 10.00% Tier 1 capital/risk weighted assets 453,027 11.12 346,377 8.50 326,002 8.00 Common equity tier 1 capital/risk weighted assets 453,027 11.12 285,251 7.00 264,876 6.50 Tier 1 leverage capital/average assets 453,027 10.06 180,209 4.00 231,166 5.00 (1) Includes a capital conservation buffer of 2.50% at March 31, 2020 and December 31, 2019.

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Mar. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Credit-related financial instruments : The Bank is a party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit, commitments to sell loans, and standby letters of credit. These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the balance sheets. The Bank uses the same credit policies in making commitments and conditional obligations as it does for on-balance-sheet instruments. The following table summarizes the Bank's commitments as of the dates indicated: March 31, 2020 December 31, 2019 (in thousands) Commitments to extend credit $ 840,090 $ 859,212 Commitments to sell loans 9,483 5,400 Standby letters of credit 35,002 36,192 Total $ 884,575 $ 900,804 The Bank's exposure to credit loss in the event of nonperformance by the counterparty to the financial instrument for commitments to extend credit is represented by the contractual amount of those instruments. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent a future requirements. The Bank evaluates each customer's creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Bank upon extension of credit, is based on management's credit evaluation of the party. Collateral held varies, but may include accounts receivable, crops, livestock, inventory, property and equipment, residential real estate and income-producing commercial properties. Commitments to sell loans are agreements to sell loans held for sale to third parties at an agreed upon price. Standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Those guarantees are primarily issued to support public and private borrowing arrangements and, generally, have terms of one year or less. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. The Bank holds collateral, which may include accounts receivable, inventory, property, equipment and income-producing properties, that support those commitments, if deemed necessary. In the event the customer does not perform in accordance with the terms of the agreement with the third party, the Bank would be required to fund the commitment. The maximum potential amount of future payments the Bank could be required to make is represented by the contractual amount shown in the summary above. If the commitment is funded, the Bank would be entitled to seek recovery from the customer. Liability for Off-Balance Sheet Credit Exposures : The Company records a liability for off-balance sheet credit exposures through a charge to credit loss expense (or a reversal of credit loss expense) on the Company's consolidated statements of income and other liabilities on the Company's consolidated balance sheets. At March 31, 2020, the liability for off-balance-sheet credit exposures totaled $5.8 million, whereas the total amount recorded within credit loss expense was $2.4 million. No liability was recorded in the prior year. Litigation: In the normal course of business, the Company and its subsidiaries have been named, from time to time, as defendants in various legal actions. Certain of the actual or threatened legal actions may include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages. Management, after consulting with legal counsel, is of the opinion that the ultimate liability, if any, resulting from these pending or threatened actions and proceedings will not have a material effect on the financial statements of the Company. Concentrations of credit risk : Substantially all of the Bank’s loans, commitments to extend credit and standby letters of credit have been granted to customers in the Bank’s market areas. Although the loan portfolio of the Bank is diversified, approximately 68% of the loans are real estate loans and approximately 9% are agriculturally related. The concentrations of credit by type of loan are set forth in Note 5. Loans Receivable and the Allowance for Credit Losses

Fair Value of Financial Instrum

Fair Value of Financial Instruments and Fair Value Measurements	3 Months Ended
	Mar. 31, 2020
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments and Fair Value Measurements	Fair Value of Financial Instruments and Fair Value Measurements Fair value is the exchange price that would be received for an asset or paid to transfer a liability (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. There are three levels of inputs that may be used to measure fair values: • Level 1 – Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date. • Level 2 – Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data. • Level 3 – Significant unobservable inputs that reflect a company's own assumptions about the assumptions that market participants would use in pricing an asset or liability. For information regarding the valuation methodologies used to measure our assets recorded at fair value (under ASC Topic 820), and for estimating fair value for financial instruments not recorded at fair value (under ASC Topic 825, as amended by ASU 2016-01 and ASU 2018-03), see Note 1. Nature of Business and Significant Accounting Policies and Note 20. Estimated Fair Value of Financial Instruments and Fair Value Measurements, to the consolidated financial statements in the Company's 2019 Annual Report on Form 10-K. The Company uses fair value to measure certain assets and liabilities on a recurring basis, primarily available for sale and derivatives. For assets measured at the lower of cost or fair value, the fair value measurement criteria may or may not be met during a reporting period and such measurements are therefore considered "nonrecurring" for purposes of disclosing our fair value measurements. Fair value is used on a nonrecurring basis to adjust carrying values for impaired loans and other real estate owned. Recurring Basis Assets and liabilities measured at fair value on a recurring basis comprise the following as of the dates indicated: Fair Value Measurement at March 31, 2020 Using (in thousands) Total Level 1 Level 2 Level 3 Assets: Available for sale debt securities: U.S. Government agencies and corporations $ 431 $ — $ 431 $ — State and political subdivisions 286,377 — 286,377 — Mortgage-backed securities 42,601 — 42,601 — Collateralized mortgage obligations 306,860 — 306,860 — Corporate debt securities 245,590 — 245,590 — Derivative assets 12,500 — 12,500 — Liabilities: Derivative liabilities $ 16,305 $ — $ 16,305 $ — Fair Value Measurement at December 31, 2019 Using (in thousands) Total Level 1 Level 2 Level 3 Assets: Debt securities available for sale: U.S. Government agencies and corporations $ 441 $ — $ 441 $ — State and political subdivisions 257,205 — 257,205 — Mortgage-backed securities 43,530 — 43,530 — Collateralized mortgage obligations 292,946 — 292,946 — Corporate debt securities 191,855 — 191,855 — Derivative assets 1,848 — 1,848 — Liabilities: Derivative liabilities $ 3,242 $ — $ 3,242 $ — There were no transfers of assets between Level 3 and other levels of the fair value hierarchy during the three months ended March 31, 2020 or the year ended December 31, 2019. Changes in the fair value of available for sale debt securities are included in other comprehensive income. Nonrecurring Basis The following tables present assets measured at fair value on a nonrecurring basis as of the dates indicated: Fair Value Measurement at March 31, 2020 Using (in thousands) Total Level 1 Level 2 Level 3 Collateral dependent impaired loans $ 6,223 $ — $ — $ 6,223 Foreclosed assets, net 968 — — 968 Fair Value Measurement at December 31, 2019 Using (in thousands) Total Level 1 Level 2 Level 3 Collateral dependent impaired loans $ 6,749 $ — $ — $ 6,749 Foreclosed assets, net 3,706 — — 3,706 The following table presents the valuation technique(s), unobservable inputs, and quantitative information about the unobservable inputs used for fair value measurements of the financial instruments held by the Company and categorized within Level 3 of the fair value hierarchy as of the date indicated: Fair Value at (dollars in thousands) March 31, 2020 December 31, 2019 Valuation Techniques(s) Unobservable Input Range of Inputs Weighted Average Collateral dependent impaired loans $ 6,223 $ 6,749 Fair value of collateral Valuation adjustments — % - 75 % 28 % Foreclosed assets, net $ 968 3,706 Fair value of collateral Valuation adjustments 5 % - 46 % 23 % The carrying amount and estimated fair value of financial instruments at March 31, 2020 and December 31, 2019 were as follows: March 31, 2020 (in thousands) Carrying Estimated Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 125,545 $ 125,545 $ 125,545 $ — $ — Debt securities available for sale 881,859 881,859 — 881,859 — Loans held for sale 9,483 9,646 — 9,646 — Loans held for investment, net 3,374,575 3,414,068 — — 3,414,068 Interest receivable 17,029 17,029 — 17,029 — Federal Home Loan Bank stock 13,773 13,773 — 13,773 — Derivative assets 12,500 12,500 — 12,500 — Financial liabilities: Non-interest bearing deposits 637,127 637,127 637,127 — — Interest-bearing deposits 3,222,717 3,231,800 2,193,344 1,038,456 — Short-term borrowings 129,489 129,489 129,489 — — Finance leases payable 1,194 1,194 — 1,194 — Federal Home Loan Bank borrowings 125,673 129,372 — 129,372 — Junior subordinated notes issued to capital trusts 41,631 34,655 — 34,655 — Subordinated debentures 10,894 11,066 — 11,066 — Other long-term debt 30,482 30,482 — 30,482 — Derivative liabilities 16,305 16,305 — 16,305 — December 31, 2019 (in thousands) Carrying Amount Estimated Fair Value Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 73,484 $ 73,484 $ 73,484 $ — $ — Debt securities available for sale 785,977 785,977 — 785,977 — Loans held for sale 5,400 5,476 — 5,476 — Loans held for investment, net 3,422,187 3,427,952 — — 3,427,952 Interest receivable 18,525 18,525 — 18,525 — Federal Home Loan Bank stock 15,381 15,381 — 15,381 — Derivative assets 1,848 1,848 — 1,848 — Financial liabilities: Non-interest bearing deposits 662,209 662,209 662,209 — — Interest-bearing deposits 3,066,446 3,066,427 2,113,000 953,427 — Short-term borrowings 139,349 139,349 139,349 — — Finance leases payable 1,224 1,224 — 1,224 — Federal Home Loan Bank borrowings 145,700 146,913 — 146,913 — Junior subordinated notes issued to capital trusts 41,587 39,391 — 39,391 — Subordinated debentures 10,899 11,083 — 11,083 — Other long-term debt 32,250 32,250 — 32,250 — Derivative liabilities 3,242 3,242 — 3,242 —

Leases

Leases	3 Months Ended
	Mar. 31, 2020
Leases [Abstract]
Leases	Leases A lease is defined as a contract, or part of a contract, that conveys the right to control the use of identified property, plant or equipment for a period of time in exchange for consideration. On January 1, 2019, the Company adopted FASB Topic 842. See Note 1 to the consolidated financial statements regarding transition guidance related to the new standard. Substantially all of the leases in which the Company is the lessee are comprised of real estate property for branches and office space with terms extending through 2025. We do not have any subleased properties. Substantially all of our leases are classified as operating leases, and therefore, were previously not recognized on the Company’s consolidated balance sheets. The Company has one existing finance lease (previously referred to as a capital lease) for a branch location with a lease term through 2025. Supplemental balance sheet information related to leases was as follows: (in thousands) Classification March 31, 2020 December 31, 2019 Lease Right-of-Use Assets Operating lease right-of-use assets Other assets $ 4,237 $ 4,499 Finance lease right-of-use asset Premises and equipment, net 613 637 Total right-of-use assets $ 4,850 $ 5,136 Lease Liabilities Operating lease liability Other liabilities $ 5,202 $ 5,430 Finance lease liability Long-term debt 1,194 1,225 Total lease liabilities $ 6,396 $ 6,655 Weighted-average remaining lease term Operating leases 8.88 years 8.90 years Finance lease 6.42 years 6.67 years Weighted-average discount rate Operating leases 3.80 % 3.78 % Finance lease 8.89 % 8.89 % The calculated amount of the right-of-use assets and lease liabilities in the table above are impacted by the length of the lease term and the discount rate used to present value the minimum lease payments. The Company’s lease agreements often include one or more options to renew at the Company’s discretion. If at lease inception, the Company considers the exercising of a renewal option to be reasonably certain, the Company will include the extended term in the calculation of the ROU asset and lease liability. Regarding the discount rate, Topic 842 requires the use of the rate implicit in the lease whenever this rate is readily determinable. As this rate is rarely determinable, the Company utilizes its incremental borrowing rate at lease inception, on a collateralized basis, over a similar term. For operating leases existing prior to January 1, 2019, the rate for the remaining lease term as of January 1, 2019 was used. For finance leases, the Company utilizes the rate implicit in the lease. The following table represents lease costs and other lease information. As the Company elected, for all classes of underlying assets, not to separate lease and non-lease components and instead to account for them as a single lease component, the variable lease cost primarily represents variable payments such as common area maintenance and utilities. Three Months Ended Three Months Ended March 31, March 31, (in thousands) 2020 2019 Lease Costs Operating lease cost $ 319 $ 193 Variable lease cost 39 35 Short-term lease cost — 1 Interest on lease liabilities (1) 26 29 Amortization of right-of-use assets 24 24 Net lease cost $ 408 $ 282 Other Information Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 503 $ 359 Operating cash flows from finance lease 27 29 Finance cash flows from finance lease 31 27 Right-of-use assets obtained in exchange for new operating lease liabilities — — Right-of-use assets obtained in exchange for new finance lease liabilities — — (1) Included in long-term debt interest expense in the Company’s consolidated statements of income. All other lease costs in this table are included in occupancy expense of premises, net. Future minimum payments for finance leases and operating leases with initial or remaining terms of one year or more as of March 31, 2020 were as follows: (in thousands) Finance Leases Operating Leases Twelve Months Ended: December 31, 2020 $ 173 $ 843 December 31, 2021 235 1,074 December 31, 2022 240 973 December 31, 2023 245 912 December 31, 2024 250 682 Thereafter 426 2,131 Total undiscounted lease payment $ 1,569 $ 6,615 Amounts representing interest (375) (1,413) Lease liability $ 1,194 $ 5,202
Leases	Leases A lease is defined as a contract, or part of a contract, that conveys the right to control the use of identified property, plant or equipment for a period of time in exchange for consideration. On January 1, 2019, the Company adopted FASB Topic 842. See Note 1 to the consolidated financial statements regarding transition guidance related to the new standard. Substantially all of the leases in which the Company is the lessee are comprised of real estate property for branches and office space with terms extending through 2025. We do not have any subleased properties. Substantially all of our leases are classified as operating leases, and therefore, were previously not recognized on the Company’s consolidated balance sheets. The Company has one existing finance lease (previously referred to as a capital lease) for a branch location with a lease term through 2025. Supplemental balance sheet information related to leases was as follows: (in thousands) Classification March 31, 2020 December 31, 2019 Lease Right-of-Use Assets Operating lease right-of-use assets Other assets $ 4,237 $ 4,499 Finance lease right-of-use asset Premises and equipment, net 613 637 Total right-of-use assets $ 4,850 $ 5,136 Lease Liabilities Operating lease liability Other liabilities $ 5,202 $ 5,430 Finance lease liability Long-term debt 1,194 1,225 Total lease liabilities $ 6,396 $ 6,655 Weighted-average remaining lease term Operating leases 8.88 years 8.90 years Finance lease 6.42 years 6.67 years Weighted-average discount rate Operating leases 3.80 % 3.78 % Finance lease 8.89 % 8.89 % The calculated amount of the right-of-use assets and lease liabilities in the table above are impacted by the length of the lease term and the discount rate used to present value the minimum lease payments. The Company’s lease agreements often include one or more options to renew at the Company’s discretion. If at lease inception, the Company considers the exercising of a renewal option to be reasonably certain, the Company will include the extended term in the calculation of the ROU asset and lease liability. Regarding the discount rate, Topic 842 requires the use of the rate implicit in the lease whenever this rate is readily determinable. As this rate is rarely determinable, the Company utilizes its incremental borrowing rate at lease inception, on a collateralized basis, over a similar term. For operating leases existing prior to January 1, 2019, the rate for the remaining lease term as of January 1, 2019 was used. For finance leases, the Company utilizes the rate implicit in the lease. The following table represents lease costs and other lease information. As the Company elected, for all classes of underlying assets, not to separate lease and non-lease components and instead to account for them as a single lease component, the variable lease cost primarily represents variable payments such as common area maintenance and utilities. Three Months Ended Three Months Ended March 31, March 31, (in thousands) 2020 2019 Lease Costs Operating lease cost $ 319 $ 193 Variable lease cost 39 35 Short-term lease cost — 1 Interest on lease liabilities (1) 26 29 Amortization of right-of-use assets 24 24 Net lease cost $ 408 $ 282 Other Information Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 503 $ 359 Operating cash flows from finance lease 27 29 Finance cash flows from finance lease 31 27 Right-of-use assets obtained in exchange for new operating lease liabilities — — Right-of-use assets obtained in exchange for new finance lease liabilities — — (1) Included in long-term debt interest expense in the Company’s consolidated statements of income. All other lease costs in this table are included in occupancy expense of premises, net. Future minimum payments for finance leases and operating leases with initial or remaining terms of one year or more as of March 31, 2020 were as follows: (in thousands) Finance Leases Operating Leases Twelve Months Ended: December 31, 2020 $ 173 $ 843 December 31, 2021 235 1,074 December 31, 2022 240 973 December 31, 2023 245 912 December 31, 2024 250 682 Thereafter 426 2,131 Total undiscounted lease payment $ 1,569 $ 6,615 Amounts representing interest (375) (1,413) Lease liability $ 1,194 $ 5,202

Subsequent Events

Subsequent Events	3 Months Ended
	Mar. 31, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On April 29, 2020, the board of directors of the Company declared a cash dividend of $0.22 per share payable on June 15, 2020 to shareholders of record as of the close of business on June 1, 2020. As of May 4, 2020, the Company has closed or approved with the Small Business Administration (“SBA”) 2,327 Paycheck Protection Program (“PPP”) loans representing $334.5 million in funding. The Company has evaluated events that have occurred subsequent to March 31, 2020 and has concluded there are no other subsequent events that would require recognition in the accompanying consolidated financial statements.

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying interim condensed consolidated financial statements are prepared in accordance with GAAP for interim financial information and pursuant to the requirements for reporting on Form 10-Q and Article 10 of Regulation S-X of the Securities Exchange Act of 1934. Accordingly, certain disclosures accompanying annual consolidated financial statements are omitted. In the opinion of management, all significant intercompany accounts and transactions have been eliminated and adjustments, consisting solely of normal recurring accruals and considered necessary for the fair presentation of financial statements for the interim periods, have been included. The current period's results of operations are not necessarily indicative of the results that ultimately may be achieved for the year. The interim condensed consolidated financial statements and notes thereto should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Form 10-K for the year ended December 31, 2019, filed with the SEC on March 6, 2020.
Derivatives	Derivatives Designated as Hedging Instruments The Company uses derivative instruments to hedge its exposure to economic risks, including interest rate, liquidity, and credit risk. Certain hedging relationships are formally designated and qualify for hedge accounting under GAAP as fair value or cash flow hedges. Fair Value Hedges - Derivatives are designated as fair value hedges to limit the Company's exposure to changes in the fair value of assets or liabilities due to movements in interest rates. The Company entered into pay-fixed receive-floating interest rate swaps to manage its exposure to changes in fair value in certain fixed-rate assets. The gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in interest income.
Fair Value Measurements	Fair value is the exchange price that would be received for an asset or paid to transfer a liability (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. There are three levels of inputs that may be used to measure fair values: • Level 1 – Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date. • Level 2 – Significant other observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data. • Level 3 – Significant unobservable inputs that reflect a company's own assumptions about the assumptions that market participants would use in pricing an asset or liability. For information regarding the valuation methodologies used to measure our assets recorded at fair value (under ASC Topic 820), and for estimating fair value for financial instruments not recorded at fair value (under ASC Topic 825, as amended by ASU 2016-01 and ASU 2018-03), see Note 1. Nature of Business and Significant Accounting Policies and Note 20. Estimated Fair Value of Financial Instruments and Fair Value Measurements, to the consolidated financial statements in the Company's 2019 Annual Report on Form 10-K. The Company uses fair value to measure certain assets and liabilities on a recurring basis, primarily available for sale and derivatives. For assets measured at the lower of cost or fair value, the fair value measurement criteria may or may not be met during a reporting period and such measurements are therefore considered "nonrecurring" for purposes of disclosing our fair value measurements. Fair value is used on a nonrecurring basis to adjust carrying values for impaired loans and other real estate owned.
Risks and Uncertainties	Risks and Uncertainties The outbreak of COVID-19 has adversely impacted a broad range of industries in which the Company’s customers operate and could impair their ability to fulfill their financial obligations to the Company. The World Health Organization has declared COVID-19 to be a global pandemic indicating 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 spread of the outbreak has caused significant disruptions in the U.S. economy and has disrupted banking and other financial activity in the areas in which the Company operates. While there has been no material impact to the Company’s employees to date, COVID-19 could also potentially create widespread business continuity issues for the Company. Congress, the President, and the Federal Reserve have taken several actions designed to cushion the economic fallout. Most notably, the Coronavirus Aid, Relief and Economic Security (“CARES”) Act was signed into law at the end of March 2020 as a $2 trillion legislative package. The goal of the CARES Act is to prevent a severe economic downturn through various measures, including direct financial aid to American families and economic stimulus to significantly impacted industry sectors. The package also includes extensive emergency funding for hospitals and healthcare providers. In addition to the general impact of COVID-19, certain provisions of the CARES Act as well as other recent legislative and regulatory relief efforts are expected to have a material impact on the Company’s operations. The Company’s business is dependent upon the willingness and ability of its employees and customers to conduct banking and other financial transactions. If the global response to contain COVID-19 escalates further or is unsuccessful, the Company could experience a material adverse effect on its business, financial condition, results of operations and cash flows. While it is not possible to know the full universe or extent that the impact of COVID-19, and resulting measures to curtail its spread, will have on the Company’s operations, the Company discloses in this report potentially material items of which it is aware at the time this report is filed with the SEC. Financial position and results of operations The Company’s interest income could be reduced due to COVID-19. In keeping with guidance from regulators, the Company is actively working with COVID-19 affected borrowers to defer their payments, interest, and fees. While interest and fees will still accrue to income, through normal GAAP accounting, should eventual credit losses on these deferred payments emerge, interest income and fees accrued would need to be reversed. In such a scenario, interest income in future periods could be negatively impacted. At this time, the Company is unable to project the materiality of such an impact, but recognizes the breadth of the economic impact of COVID-19 may affect its borrowers’ ability to repay in future periods. The Company’s fee income could be reduced due to COVID-19. In keeping with guidance from regulators, the Company is actively working with COVID-19 affected customers to waive fees from a variety of sources, such as, but not limited to, insufficient funds and overdraft fees, ATM fees, account maintenance fees, etc. These reductions in fees are thought, at this time, to be temporary in conjunction with the length of the expected COVID-19 related economic crisis. At this time, the Company is unable to project the materiality of such an impact, but recognizes the breadth of the economic impact of COVID-19 is likely to impact its fee income in future periods. Capital and liquidity While the Company believes that it has sufficient capital to withstand an extended economic recession brought about by COVID-19, its reported and regulatory capital ratios could be adversely impacted by further credit losses. The Company relies on cash on hand as well as dividends from its subsidiary bank to service its debt. If the Company’s capital deteriorates such that its subsidiary bank is unable to pay dividends to it for an extended period of time, the Company may not be able to service its debt. If an extended recession causes large numbers of the Company’s deposit customers to withdraw their funds, the Company might become more reliant on volatile or more expensive sources of funding. Asset valuation Currently, the Company does not expect COVID-19 to affect its ability to account timely for the assets on its balance sheet; however, this could change in future periods. While certain valuation assumptions and judgments will change to account for pandemic-related circumstances such as widening credit spreads, the Company does not anticipate significant changes in methodology used to determine the fair value of assets measured in accordance with GAAP. Due to the economic impact that COVID-19 has had on the Company, management concluded that factors such as the decline in macroeconomic conditions have led to the occurrence of a triggering event and therefore an interim impairment test over goodwill was performed as of March 31, 2020. As part of this interim impairment assessment, in the event that the Company concluded that all or a portion of its goodwill is impaired, a non-cash charge for the amount of such impairment would be recorded to earnings. Such a charge would have no impact on tangible capital or regulatory capital. Based upon the results of our interim goodwill assessment, we have concluded that an impairment did not exist as of the time of the assessment. It is possible that the lingering effects of COVID-19 could cause the occurrence of what management would deem to be subsequent triggering events that could, under certain circumstances, cause us to perform a goodwill or intangible asset impairment test and result in an impairment charge being recorded for that period. In the event that the Company concludes that all or a portion of its goodwill or intangible assets are impaired, a non-cash charge for the amount of such impairment would be recorded to earnings. Such a charge would have no impact on tangible capital or regulatory capital. Processes, controls and business continuity plan The Company has invoked its Business Continuity Plan that includes a remote working strategy. The Company does not anticipate incurring additional material cost related to its continued deployment of the remote working strategy. No material operational or internal control challenges or risks have been identified to date. The Company does not anticipate significant challenges to its ability to maintain its systems and controls in light of the measures the Company has taken to prevent the spread of COVID-19. The Company does not currently face any material resource constraint through the implementation of its business continuity plans. Credit The Company is working with customers directly affected by COVID-19. The Company is prepared to offer short-term assistance in accordance with regulator guidelines. As a result of the current economic environment caused by the COVID-19 virus, the Company is engaging in more frequent communication with borrowers to better understand their situation and the challenges faced, allowing it to respond proactively as needs and issues arise. Should economic conditions worsen, the Company could experience further increases in its required ACL and record additional credit loss expense. It is possible that the Company’s asset quality measures could worsen at future measurement periods if the effects of COVID-19 are prolonged.
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect: (1) the reported amounts of assets and liabilities, (2) the disclosure of contingent assets and liabilities at the date of the financial statements, and (3) the reported amounts of revenues and expenses during the reporting period. These estimates are based on information available to management at the time the estimates are made. Actual results could differ from those estimates. The results for the three months ended March 31, 2020 may not be indicative of results for the year ending December 31, 2020, or for any other period. All significant accounting policies followed in the preparation of the quarterly financial statements are disclosed in the Annual Report on Form 10-K for the year ended December 31, 2019, filed with the SEC on March 6, 2020. In the consolidated statements of cash flows, cash and cash equivalents include cash and due from banks, interest-bearing deposits in banks, and federal funds sold.
Segment Reporting	Segment Reporting The Company’s activities are considered to be one reportable segment. The Company is engaged in the business of commercial and retail banking, and investment management with operations throughout Iowa, the Minneapolis/St. Paul metropolitan area of Minnesota, western Wisconsin, Naples and Fort Myers, Florida, and Denver, Colorado. Substantially all income is derived from a diverse base of commercial, mortgage and retail lending activities, and investments.
Allowance for Credit Losses	Allowance for Credit Losses Debt Securities Available for Sale For available for sale debt securities in an unrealized loss position, the Company evaluates the securities to determine whether the decline in the fair value below the amortized cost basis (impairment) is due to credit-related factors or noncredit-related factors. Any impairment that is not credit related is recognized in other comprehensive income, net of applicable taxes. Credit-related impairment is recognized as an allowance for credit losses related to debt securities AFS on the balance sheet, limited to the amount by which the amortized cost basis exceeds the fair value, with a corresponding adjustment to earnings. Both the ACL and the adjustment to net income may be reversed if conditions change. However, if the Company intends to sell an impaired available for sale debt security or more likely than not will be required to sell such a security before recovering its amortized cost basis, the entire impairment amount must be recognized in earnings with a corresponding adjustment to the security’s amortized cost basis. Because the security’s amortized cost basis is adjusted to fair value, there is no ACL in this situation. In evaluating available for sale debt securities in unrealized loss positions for impairment and the criteria regarding its intent or requirement to sell such securities, the Company considers the extent to which fair value is less than amortized cost, whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and the results of reviews of the issuers’ financial condition, among other factors. Changes in the allowance for credit losses are recorded as credit loss expense (or reversal of credit loss expense). Losses are charged against the ACL when management believes the uncollectability of an available for sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. Accrued interest receivable is excluded from the estimate of credit losses. Loans Held for Investment Under the current expected credit loss model, the allowance for credit losses is a valuation account estimated at each balance sheet date and deducted from the amortized cost basis of loans held for investment to present the net amount expected to be collected. The Company estimates the ACL based on the underlying assets’ amortized cost basis, which is the amount at which the financing receivable is originated or acquired, adjusted for collection of cash and charge-offs, as well as applicable accretion or amortization of premium, discount, and net deferred fees or costs. In the event that collection of principal becomes uncertain, the Company has policies in place to reverse accrued interest in a timely manner. Therefore, the Company has made a policy election to exclude accrued interest from the measurement of ACL. Expected credit losses are reflected in the allowance for credit losses through a charge to credit loss expense. When the Company deems all or a portion of a financial asset to be uncollectible, the appropriate amount is written off and the ACL is reduced by the same amount. The Company applies judgment to determine when a financial asset is deemed uncollectible; however, generally speaking, an asset will be considered uncollectible no later than when all efforts at collection have been exhausted. Subsequent recoveries, if any, are credited to the ACL when received. The Company measures expected credit losses of financial assets on a collective (pool) basis when the financial assets share similar risk characteristics. Depending on the nature of the pool of financial assets with similar risk characteristics, the Company uses a DCF method or a loss-rate method to estimate expected credit losses. The Company’s methodologies for estimating the ACL consider available relevant information about the collectability of cash flows, including information about past events, current conditions, and reasonable and supportable forecasts. The methodologies apply historical loss information, adjusted for asset-specific characteristics, economic conditions at the measurement date, and forecasts about future economic conditions expected to exist through the contractual lives of the financial assets that are reasonable and supportable, to the identified pools of financial assets with similar risk characteristics for which the historical loss experience was observed. The Company’s methodologies revert back to historical loss driver information on a straight-line basis over four quarters when it can no longer develop reasonable and supportable forecasts. The Company adjusted the reversion period from the previously disclosed six quarters to four quarters based upon current forecasted conditions. Discounted Cash Flow Method The Company uses the DCF method to estimate expected credit losses for the agricultural, commercial and industrial, CRE - construction and development, CRE - farmland, CRE - multifamily, CRE - other, RRE - owner-occupied one-to-four family first liens, RRE - nonowner-occupied one-to-four family first liens, RRE - one-to-four family junior liens, and consumer loan pools. For each of these pools, the Company generates cash flow projections at the instrument level wherein payment expectations are adjusted for estimated prepayment speed, curtailments, time to recovery, probability of default, and loss given default. The modeling of expected prepayment speeds, curtailment rates, and time to recovery are based on historical internal data. The Company uses regression analysis of historical internal and peer data to determine which variables are best suited to be economic variables utilized when modeling lifetime probability of default and loss given default. This analysis also determines how expected probability of default and loss given default will react to forecasted levels of the economic variables. For the loan pools utilizing the DCF method, management utilizes one or multiple of the following economic variables: Midwest unemployment, national retail sales, CRE index, US rental vacancy rate, US gross domestic product, and national home price index (HPI). For all DCF models, management has determined that four quarters represents a reasonable and supportable forecast period and reverts back to a historical loss rate over four quarters on a straight-line basis. Management leverages economic projections from a reputable and independent third party to inform its loss driver forecasts over the four quarter forecast period. Other internal and external indicators of economic forecasts are also considered by management when developing the forecast metrics. The combination of adjustments for credit expectations (default and loss) and timing expectations (prepayment, curtailment, and time to recovery) produces an expected cash flow stream at the instrument level. Instrument effective yield is calculated, net of the impacts of prepayment assumptions, and the instrument expected cash flows are then discounted at that effective yield to produce an instrument-level net present value of expected cash flows (“NPV”). An ACL is established for the difference between the instrument’s NPV and amortized cost basis. In addition, management utilizes qualitative factors to adjust the calculated ACL as appropriate. Qualitative factors are based on management's judgment of company, market, industry or business specific data, changes in underlying loan composition of specific portfolios, trends relating to credit quality, delinquency, non-performing and adversely rated loans, and reasonable and supportable forecasts of economic conditions. Loss-Rate Method The Company uses a loss-rate method to estimate expected credit losses for the credit card and overdraft pools. For each of these pools, the Company applies an expected loss ratio based on internal and peer historical losses, adjusted as appropriate for qualitative factors. Qualitative loss factors are based on management's judgment of company, market, industry or business specific data, changes in underlying loan composition of specific portfolios, trends relating to credit quality, delinquency, non-performing and adversely rated loans, and reasonable and supportable forecasts of economic conditions. Collateral Dependent Financial Assets Loans that do not share risk characteristics are evaluated on an individual basis. For collateral dependent financial assets where the Company has determined that foreclosure of the collateral is probable, or where the borrower is experiencing financial difficulty and the Company expects repayment of the financial asset to be provided substantially through the operation or sale of the collateral, the ACL is measured based on the difference between the fair value of the collateral and the amortized cost basis of the asset as of the measurement date. When repayment is expected to be from the operation of the collateral, expected credit losses are calculated as the amount by which the amortized cost basis of the financial asset exceeds the present value of expected cash flows from the operation of the collateral. When repayment is expected to be from the sale of the collateral, expected credit losses are calculated as the amount by which the amortized costs basis of the financial asset exceeds the fair value of the underlying collateral less estimated cost to sell. The ACL may be zero if the fair value of the collateral at the measurement date exceeds the amortized cost basis of the financial asset. The Company’s estimate of the ACL reflects losses expected over the remaining contractual life of the assets. The contractual term does not consider extensions, renewals or modifications unless the Company has identified an expected TDR. A loan that has been modified or renewed is considered a TDR when two conditions are met: 1) the borrower is experiencing financial difficulty and 2) concessions are made for the borrower's benefit that would not otherwise be considered for a borrower or transaction with similar credit risk characteristics. The Company’s ACL reflects all effects of a TDR when an individual asset is specifically identified as a reasonably expected TDR. The Company has determined that a TDR is reasonably expected no later than the point when the lender concludes that modification is the best course of action and it is at least reasonably possible that the troubled borrower will accept some form of concession from the lender to avoid a default. Reasonably expected TDRs and executed non-performing TDRs are evaluated individually to determine the required ACL. TDRs performing in accordance with their modified contractual terms for a reasonable period of time may be included in the Company’s existing pools based on the underlying risk characteristics of the loan to measure the ACL. Guidance on Non-TDR Loan Modifications due to COVID-19 In March 2020, various regulatory agencies, including the Board of Governors of the Federal Reserve System and the FDIC, (the "agencies") issued an interagency statement on loan modifications and reporting for financial institutions working with customers affected by COVID-19. The interagency statement was effective immediately and impacted accounting for loan modifications. Under ASC 310-40, “Receivables – Troubled Debt Restructurings by Creditors,” a restructuring of debt constitutes a TDR if the creditor grants a concession and the debtor is experiencing financial difficulties. The agencies confirmed with the staff of the FASB that short-term modifications made on a good faith basis in response to COVID-19 to borrowers who were current prior to any relief, are not to be considered TDRs. This includes short-term (e.g., six months) modifications, such as payment deferrals, fee waivers, extensions of repayment terms, or other delays in payment that are insignificant. Borrowers considered current are those that are less than 30 days past due on their contractual payments at the time a modification program is implemented. Refer to Note 5. Loans Receivable and the Allowance for Credit Losses for additional information. Liability for Off-Balance Sheet Credit Exposures Financial instruments include off-balance sheet credit exposures, such as commitments to make loans and commercial letters of credit, issued to meet customer financing needs. The Company’s exposure to credit loss in the event of nonperformance by the other party to the financial instrument for off-balance sheet loan commitments is represented by the contractual amount of those instruments. Such financial instruments are recorded when they are funded. The Company recognizes a liability for off-balance sheet credit exposures, unless the commitments to extend credit are unconditionally cancellable, through a charge to credit loss expense for off-balance sheet credit exposures included in credit loss expense in the Company’s consolidated statements of income. The liability for off-balance sheet credit exposures is estimated by loan segment at each balance sheet date under the current expected credit loss model using the same methodologies as portfolio loans, taking into consideration the likelihood that funding will occur, and is included in other liabilities on the Company’s consolidated balance sheets. Refer to Note 5. Loans Receivable and the Allowance for Credit Losses for additional information.

Effect of New Financial Accou_2

Effect of New Financial Accounting Standards (Tables)	3 Months Ended
	Mar. 31, 2020
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Schedule of Impacts from New Accounting Pronouncements	The following table illustrates the impact of ASC 326 January 1, 2020 Pre-ASC 326 Adoption Impact of ASC 326 Adoption As Reported Under ASC 326 (in thousands) Assets: Loans Agricultural $ 3,748 $ (2,557) $ 1,191 Commercial and industrial 8,394 2,728 11,122 Commercial real estate 13,804 1,300 15,104 Residential real estate 2,685 2,050 4,735 Consumer 448 463 911 Allowance for credit losses on loans $ 29,079 $ 3,984 $ 33,063 Liabilities: Liability for off-balance sheet credit exposures $ — $ 3,433 $ 3,433

Business Combinations (Tables)

Business Combinations (Tables)	3 Months Ended
	Mar. 31, 2020
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition	The table below summarizes the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed: (in thousands) May 1, 2019 Merger consideration Share consideration $ 116,032 Cash consideration 34,766 Total merger consideration $ 150,798 Identifiable net assets acquired, at fair value Assets acquired Cash and cash equivalents $ 82,081 Debt securities available for sale 99,056 Loans 1,138,928 Premises and equipment 18,327 Other intangible assets 28,349 Foreclosed assets 3,091 Other assets 42,944 Total assets acquired 1,412,776 Liabilities assumed Deposits $ 1,089,355 Short-term borrowings 100,761 Long-term debt 71,234 Other liabilities 29,951 Total liabilities assumed 1,291,301 Fair value of net assets acquired 121,475 Goodwill $ 29,323
Schedule of Acquisition-Related Expenses	The following table summarizes ATBancorp acquisition-related expenses for the periods indicated: Three Months Ended March 31, (in thousands) 2020 2019 Noninterest Expense Compensation and employee benefits $ — $ 10 Legal and professional — 126 Data processing 44 5 Other 10 26 Total ATBancorp acquisition-related expenses $ 54 $ 167

Debt Securities (Tables)

Debt Securities (Tables)	3 Months Ended
	Mar. 31, 2020
Debt Securities [Abstract]
Schedule of Debt Securities, Available-for-sale	The amortized cost and fair value of investment debt securities AFS, with gross unrealized gains and losses, were as follows: As of March 31, 2020 (in thousands) Amortized Gross Gross Allowance for Credit Loss related to Debt Securities Estimated Fair Value U.S. Government agencies and corporations $ 421 $ 10 $ — $ — $ 431 State and political subdivisions 283,087 4,499 1,209 — 286,377 Mortgage-backed securities 41,191 1,412 2 — 42,601 Collateralized mortgage obligations 301,287 6,804 1,231 — 306,860 Corporate debt securities 245,674 3,343 3,427 — 245,590 Total debt securities $ 871,660 $ 16,068 $ 5,869 $ — $ 881,859 As of December 31, 2019 (in thousands) Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value U.S. Government agencies and corporations $ 439 $ 2 $ — $ 441 State and political subdivisions 253,750 3,803 348 257,205 Mortgage-backed securities 43,009 536 15 43,530 Collateralized mortgage obligations 293,911 1,000 1,965 292,946 Corporate debt securities 188,952 3,018 115 191,855 Total debt securities $ 780,061 $ 8,359 $ 2,443 $ 785,977
Schedule of Temporary Impairment Losses	The following table presents debt securities AFS in an unrealized loss position for which an allowance for credit losses has not been recorded at March 31, 2020, aggregated by investment category and length of time in a continuous loss position: As of March 31, 2020 Number of Securities Less than 12 Months 12 Months or More Total Available for Sale Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses (in thousands, except number of securities) State and political subdivisions 77 $ 33,845 $ 1,209 $ — $ — $ 33,845 $ 1,209 Mortgage-backed securities 9 404 2 17 — 421 2 Collateralized mortgage obligations 8 62,873 1,231 — — 62,873 1,231 Corporate debt securities 28 105,435 3,342 1,316 85 106,751 3,427 Total 122 $ 202,557 $ 5,784 $ 1,333 $ 85 $ 203,890 $ 5,869 The following table presents information pertaining to debt securities with gross unrealized losses as of December 31, 2019, aggregated by investment category and length of time that individual securities have been in a continuous loss position: As of December 31, 2019 Available for Sale Number of Securities Less than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses (in thousands, except number of securities) State and political subdivisions 47 $ 27,161 $ 322 $ 2,112 $ 26 $ 29,273 $ 348 Mortgage-backed securities 7 963 12 1,365 3 2,328 15 Collateralized mortgage obligations 33 103,395 719 65,604 1,246 168,999 1,965 Corporate debt securities 7 7,012 14 8,788 101 15,800 115 Total 94 $ 138,531 $ 1,067 $ 77,869 $ 1,376 $ 216,400 $ 2,443
Schedule Proceeds and Realized Gains (Losses)	Proceeds and gross realized gains and losses on debt securities available for sale for the three months ended March 31, 2020 and 2019 were as follows: Three Months Ended (in thousands) March 31, 2020 March 31, 2019 Proceeds from sales of debt securities available for sale $ 22,140 $ 7,280 Gross realized gains from sales of debt securities available for sale 155 26 Gross realized losses from sales of debt securities available for sale (113) (9) Net realized gain from sales of debt securities available for sale $ 42 $ 17
Investments Classified by Contractual Maturity Date	The contractual maturity distribution of investment debt securities at March 31, 2020, is shown below. Expected maturities of MBS and CMO may differ from contractual maturities because the mortgages underlying the securities may be called or prepaid without any penalties. Therefore, these securities are not included in the maturity categories in the following summary. Available For Sale (in thousands) Amortized Cost Fair Value Due in one year or less $ 42,982 $ 43,030 Due after one year through five years 185,876 186,530 Due after five years through ten years 225,762 227,898 Due after ten years 74,562 74,940 $ 529,182 $ 532,398 Mortgage-backed securities 41,191 42,601 Collateralized mortgage obligations 301,287 306,860 Total $ 871,660 $ 881,859

Loans Receivable and the Allo_2

Loans Receivable and the Allowance for Credit Losses (Tables)	3 Months Ended
	Mar. 31, 2020
Receivables [Abstract]
Schedule of Loans by Lending Classification	The composition of loans by class of receivable was as follows: As of (in thousands) March 31, 2020 December 31, 2019 Agricultural $ 145,435 $ 140,446 Commercial and industrial 864,702 835,236 Commercial real estate: Construction & development 282,921 298,077 Farmland 168,777 181,885 Multifamily 217,108 227,407 Commercial real estate-other 1,111,640 1,107,490 Total commercial real estate 1,780,446 1,814,859 Residential real estate: One- to four- family first liens 389,055 407,418 One- to four- family junior liens 165,235 170,381 Total residential real estate 554,290 577,799 Consumer 80,889 82,926 Loans held for investment, net of unearned income 3,425,762 3,451,266 Allowance for credit losses (51,187) (29,079) Total loans held for investment, net $ 3,374,575 $ 3,422,187
Schedule of Loans Based on Delinquency Status	The following table presents the amortized cost basis of loans based on delinquency status: Age Analysis of Past-Due Financial Assets 90 Days or More Past Due And Accruing (in thousands) Current 30 - 59 Days Past Due 60 - 89 Days Past Due 90 Days or More Past Due Total March 31, 2020 Agricultural $ 137,398 $ 6,416 $ 416 $ 1,205 $ 145,435 $ — Commercial and industrial 858,489 1,999 436 3,778 864,702 62 Commercial real estate: Construction and development 281,109 431 649 732 282,921 — Farmland 157,371 1,760 2,062 7,584 168,777 — Multifamily 216,242 866 — — 217,108 — Commercial real estate-other 1,102,517 987 447 7,689 1,111,640 174 Total commercial real estate 1,757,239 4,044 3,158 16,005 1,780,446 174 Residential real estate: One- to four- family first liens 384,069 2,339 993 1,654 389,055 44 One- to four- family junior liens 164,590 331 136 178 165,235 — Total residential real estate 548,659 2,670 1,129 1,832 554,290 44 Consumer 80,528 140 46 175 80,889 23 Total $ 3,382,313 $ 15,269 $ 5,185 $ 22,995 $ 3,425,762 $ 303 December 31, 2019 Agricultural $ 137,715 $ 975 $ — $ 1,756 $ 140,446 $ — Commercial and industrial 828,842 846 270 5,278 835,236 — Commercial real estate: Construction and development 294,995 2,256 621 205 298,077 — Farmland 175,281 362 — 6,242 181,885 — Multifamily 227,013 394 — — 227,407 — Commercial real estate-other 1,102,504 1,965 347 2,674 1,107,490 — Total commercial real estate 1,799,793 4,977 968 9,121 1,814,859 — Residential real estate: One- to four- family first liens 402,471 2,579 857 1,511 407,418 99 One- to four- family junior liens 169,592 518 108 163 170,381 25 Total residential real estate 572,063 3,097 965 1,674 577,799 124 Consumer 82,558 150 80 138 82,926 12 Total $ 3,420,971 $ 10,045 $ 2,283 $ 17,967 $ 3,451,266 $ 136
Schedule of Amortized Cost Basis on Nonaccrual Status	The following table presents the amortized cost basis of loans on non-accrual status, loans past due 90 days or more and still accruing by class of loan and related interest income recognized: (in thousands) Beginning of Period Nonaccrual End of Period Nonaccrual Nonaccrual with no Allowance for Credit Losses 90 Days or More Past Due And Accruing Interest Income Recognized on Nonaccrual As of and for the Three Months Ended March 31, 2020 Agricultural $ 2,894 $ 3,585 $ 2,519 $ — $ 64 Commercial and industrial 13,276 11,755 6,140 62 56 Commercial real estate: Construction and development 1,494 867 701 — 35 Farmland 10,402 13,682 11,566 — 84 Multifamily — — — — 1 Commercial real estate-other 10,141 10,517 6,885 174 21 Total commercial real estate 22,037 25,066 19,152 174 141 Residential real estate: One- to four- family first liens 2,557 2,777 581 44 8 One- to four- family junior liens 513 568 1 — 1 Total residential real estate 3,070 3,345 582 44 9 Consumer 206 222 25 23 2 Total $ 41,483 $ 43,973 $ 28,418 $ 303 $ 272
Schedule of Credit Quality Indicator	The following table sets forth the amortized cost basis of loans by class of receivable by credit quality indicator and vintage based on the most recent analysis performed, as of March 31, 2020. As of March 31, 2020, there were no 'loss' rated credits. Term Loans by Origination Year Revolving Loans March 31, 2020 (in thousands) 2020 2019 2018 2017 2016 Prior Total Agricultural Pass $ 14,609 $ 15,786 $ 8,035 $ 3,272 $ 3,135 $ 3,220 $ 74,018 $ 122,075 Special mention / watch 3,749 1,268 591 404 897 344 5,543 12,796 Substandard 124 1,443 1,009 176 256 2,786 4,770 10,564 Doubtful — — — — — — — — Total $ 18,482 $ 18,497 $ 9,635 $ 3,852 $ 4,288 $ 6,350 $ 84,331 $ 145,435 Commercial and industrial Pass $ 62,134 $ 135,839 $ 99,140 $ 113,934 $ 54,861 $ 127,025 $ 227,607 $ 820,540 Special mention / watch 334 2,143 2,717 4,012 990 5,545 9,814 25,555 Substandard 2,384 3,259 1,046 1,381 1,417 2,666 6,454 18,607 Doubtful — — — — — — — — Total $ 64,852 $ 141,241 $ 102,903 $ 119,327 $ 57,268 $ 135,236 $ 243,875 $ 864,702 CRE - Construction and development Pass $ 18,964 $ 136,833 $ 44,024 $ 34,407 $ 2,285 $ 2,076 $ 29,539 $ 268,128 Special mention / watch 989 800 590 — — 35 9,059 11,473 Substandard 615 1,979 — — 116 45 565 3,320 Doubtful — — — — — — — — Total $ 20,568 $ 139,612 $ 44,614 $ 34,407 $ 2,401 $ 2,156 $ 39,163 $ 282,921 CRE - Farmland Pass $ 10,749 $ 38,099 $ 19,395 $ 20,402 $ 12,113 $ 28,798 $ 3,521 $ 133,077 Special mention / watch 1,672 7,034 1,973 1,998 1,255 1,296 703 15,931 Substandard 1,218 5,165 3,890 1,851 427 6,647 571 19,769 Doubtful — — — — — — — — Total $ 13,639 $ 50,298 $ 25,258 $ 24,251 $ 13,795 $ 36,741 $ 4,795 $ 168,777 CRE - Multifamily Pass $ 50,291 $ 21,562 $ 23,646 $ 25,045 $ 21,887 $ 59,026 $ 14,490 $ 215,947 Special mention / watch — — — — 85 — — 85 Substandard — 1,076 — — — — — 1,076 Doubtful — — — — — — — — Total $ 50,291 $ 22,638 $ 23,646 $ 25,045 $ 21,972 $ 59,026 $ 14,490 $ 217,108 CRE - other Pass $ 115,059 $ 216,822 $ 113,410 $ 186,570 $ 148,073 $ 201,195 $ 60,246 $ 1,041,375 Special mention / watch 1,668 21,535 6,378 7,060 4,520 10,027 273 51,461 Substandard — 1,693 7,223 4,432 1,278 4,043 135 18,804 Doubtful — — — — — — — — Total $ 116,727 $ 240,050 $ 127,011 $ 198,062 $ 153,871 $ 215,265 $ 60,654 $ 1,111,640 RRE - One- to four- family first liens Performing $ 32,556 $ 76,673 $ 59,926 $ 56,374 $ 49,581 $ 101,470 $ 8,805 $ 385,385 Nonperforming — 139 269 578 347 2,321 16 3,670 Total $ 32,556 $ 76,812 $ 60,195 $ 56,952 $ 49,928 $ 103,791 $ 8,821 $ 389,055 RRE - One- to four- family junior liens Performing $ 2,215 $ 16,329 $ 19,152 $ 9,441 $ 4,848 $ 9,022 $ 103,524 $ 164,531 Nonperforming — 84 — 33 253 312 22 704 Total $ 2,215 $ 16,413 $ 19,152 $ 9,474 $ 5,101 $ 9,334 $ 103,546 $ 165,235 Consumer Performing $ 7,561 $ 23,785 $ 17,137 $ 8,025 $ 6,031 $ 7,657 $ 10,471 $ 80,667 Nonperforming — 35 49 68 28 40 2 222 Total $ 7,561 $ 23,820 $ 17,186 $ 8,093 $ 6,059 $ 7,697 $ 10,473 $ 80,889 The following table sets forth the risk category of loans by class of loans and credit quality indicator used on the most recent analysis performed as of December 31, 2019: 2019 Pass Special Mention / Watch Substandard Doubtful Loss Total Agricultural $ 117,374 $ 13,292 $ 9,780 $ — $ — $ 140,446 Commercial and industrial 794,526 19,038 21,635 1 36 835,236 Commercial real estate: Construction and development 283,921 11,423 2,733 — — 298,077 Farmland 141,107 21,307 19,471 — — 181,885 Multifamily 226,124 90 1,193 — — 227,407 Commercial real estate-other 1,036,418 50,691 20,381 — — 1,107,490 Total commercial real estate 1,687,570 83,511 43,778 — — 1,814,859 Residential real estate: One- to four- family first liens 396,175 4,547 6,532 164 — 407,418 One- to four- family junior liens 168,229 1,282 870 — — 170,381 Total residential real estate 564,404 5,829 7,402 164 — 577,799 Consumer 82,650 39 218 19 — 82,926 Total $ 3,246,524 $ 121,709 $ 82,813 $ 184 $ 36 $ 3,451,266
Schedule of Changes in Allowance for Credit Losses	The changes in the allowance for credit losses by portfolio segment were as follows: For the Three Months Ended March 31, 2020 and 2019 (in thousands) Agricultural Commercial and Industrial Commercial Real Estate Residential Real Estate Consumer Total For the Three Months Ended March 31, 2020 Beginning balance, prior to adoption of ASC 326 $ 3,748 $ 8,394 $ 13,804 $ 2,685 $ 448 $ 29,079 Day 1 transition adjustment from adoption of ASC 326 (2,557) 2,728 1,300 2,050 463 3,984 Charge-offs (84) (471) (720) — (222) (1,497) Recoveries 25 213 8 7 46 299 Credit loss expense (1) 14 8,445 8,746 1,683 434 19,322 Ending balance $ 1,146 $ 19,309 $ 23,138 $ 6,425 $ 1,169 $ 51,187 For the Three Months Ended March 31, 2019 Beginning balance $ 3,637 $ 7,478 $ 15,635 $ 2,349 $ 208 $ 29,307 Charge-offs (134) (354) (650) (49) (168) (1,355) Recoveries 7 48 8 9 34 106 Credit loss expense 181 422 (195) 963 223 1,594 Ending balance $ 3,691 $ 7,594 $ 14,798 $ 3,272 $ 297 $ 29,652 (1) The difference in the credit loss expense reported herein as compared to the Consolidated Statements of Income is associated with the credit loss expense of $2.4 million related to off-balance sheet credit exposures. The composition of allowance for credit losses by portfolio segment based on evaluation method were as follows: As of March 31, 2020 (in thousands) Agricultural Commercial and Industrial Commercial Real Estate Residential Real Estate Consumer Total Loans held for investment, net of unearned income Individually evaluated for impairment $ 3,256 $ 10,778 $ 23,764 $ 710 $ 21 $ 38,529 Collectively evaluated for impairment 142,179 853,924 1,756,682 553,580 80,868 3,387,233 Total $ 145,435 $ 864,702 $ 1,780,446 $ 554,290 $ 80,889 $ 3,425,762 Allowance for credit losses: Individually evaluated for impairment $ 251 $ 1,920 $ 1,651 $ 103 $ — $ 3,925 Collectively evaluated for impairment 895 17,389 21,487 6,322 1,169 47,262 Total $ 1,146 $ 19,309 $ 23,138 $ 6,425 $ 1,169 $ 51,187 As of December 31, 2019 (in thousands) Agricultural Commercial and Industrial Commercial Real Estate Residential Real Estate Consumer Total Loans held for investment, net of unearned income Individually evaluated for impairment $ 4,312 $ 12,242 $ 16,082 $ 838 $ 21 $ 33,495 Collectively evaluated for impairment 135,246 822,939 1,781,306 572,865 82,864 3,395,220 Purchased credit impaired loans 888 55 17,471 4,096 41 22,551 Total $ 140,446 $ 835,236 $ 1,814,859 $ 577,799 $ 82,926 $ 3,451,266 Allowance for loan losses: Individually evaluated for impairment $ 212 $ 2,198 $ 1,180 $ 73 $ — $ 3,663 Collectively evaluated for impairment 3,536 6,194 11,836 2,152 448 24,166 Purchased credit impaired loans — 2 788 460 — 1,250 Total $ 3,748 $ 8,394 $ 13,804 $ 2,685 $ 448 $ 29,079
Financing Receivable, Collateral Depend Loans	The following table presents the amortized cost basis of collateral dependent loans, by the primary collateral type, which are individually evaluated to determine expected credit losses, and the related ACL allocated to these loans: As of March 31, 2020 Primary Type of Collateral Real Estate Accounts Receivable Equipment Other Total ACL Allocation Agricultural $ 1,181 $ — $ 1,708 $ 367 $ 3,256 $ 251 Commercial and industrial 1,060 — 5,703 4,016 10,779 1,920 Commercial real estate: Construction and development 700 — — — 700 — Farmland 13,195 — — — 13,195 657 Multifamily — — — — — — Commercial real estate-other 9,869 — — — 9,869 994 Residential real estate: One- to four- family first liens 710 — — — 710 103 One- to four- family junior liens — — — — — — Consumer — — 21 — 21 — Total $ 26,715 $ — $ 7,432 $ 4,383 $ 38,530 $ 3,925
Schedule of TDRs by Class of Financing Receivable	The following table sets forth information on the Company's TDRs by class of financing receivable occurring during the stated periods. TDRs may include multiple concessions, and the disclosure classifications in the table are based on the primary concession provided to the borrower. Three Months Ended March 31, 2020 2019 Number of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Number of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment (dollars in thousands) CONCESSION - Extended maturity date Commercial and industrial 1 $ 242 $ 242 — $ — $ — Commercial real estate-other 2 485 485 — — — One- to four- family junior liens — — — 1 51 51 Total 3 $ 727 $ 727 1 $ 51 $ 51
Schedule of Impaired Receivables	The following table presents loans individually evaluated for impairment by class of receivable, as of December 31, 2019: December 31, 2019 (in thousands) Recorded Investment Unpaid Principal Balance Related Allowance With no related allowance recorded: Agricultural $ 2,383 $ 2,913 $ — Commercial and industrial 7,391 10,875 — Commercial real estate: Construction and development 1,181 1,218 — Farmland 4,306 4,331 — Multifamily — — — Commercial real estate-other 5,709 5,854 — Total commercial real estate 11,196 11,403 — Residential real estate: One- to four- family first liens 577 578 — One- to four- family junior liens — — — Total residential real estate 577 578 — Consumer 21 21 — Total $ 21,568 $ 25,790 $ — With an allowance recorded: Agricultural $ 1,929 $ 1,930 $ 212 Commercial and industrial 4,851 5,417 2,198 Commercial real estate: Construction and development 135 135 135 Farmland 1,109 1,148 347 Multifamily — — — Commercial real estate-other 3,642 4,229 698 Total commercial real estate 4,886 5,512 1,180 Residential real estate: One- to four- family first liens 261 262 73 One- to four- family junior liens — — — Total residential real estate 261 262 73 Consumer — — — Total $ 11,927 $ 13,121 $ 3,663 Total: Agricultural $ 4,312 $ 4,843 $ 212 Commercial and industrial 12,242 16,292 2,198 Commercial real estate: Construction and development 1,316 1,353 135 Farmland 5,415 5,479 347 Multifamily — — — Commercial real estate-other 9,351 10,083 698 Total commercial real estate 16,082 16,915 1,180 Residential real estate: One- to four- family first liens 838 840 73 One- to four- family junior liens — — — Total residential real estate 838 840 73 Consumer 21 21 — Total $ 33,495 $ 38,911 $ 3,663 The following table presents the average recorded investment and interest income recognized for loans individually evaluated for impairment by class of receivable, during the stated period: Three Months Ended March 31, 2019 (in thousands) Average Recorded Investment Interest Income Recognized With no related allowance recorded: Agricultural $ 1,538 $ — Commercial and industrial 2,343 — Commercial real estate: Construction and development — — Farmland 1,011 — Multifamily — — Commercial real estate-other 1,185 6 Total commercial real estate 2,196 6 Residential real estate: One- to four- family first liens 75 — One- to four- family junior liens 305 1 Total residential real estate 380 1 Consumer — — Total $ 6,457 $ 7 With an allowance recorded: Agricultural $ 2,735 $ — Commercial and industrial 5,460 — Commercial real estate: Construction and development — — Farmland 1,442 — Multifamily — — Commercial real estate-other 3,966 3 Total commercial real estate 5,408 3 Residential real estate: One- to four- family first liens 394 1 One- to four- family junior liens — — Total residential real estate 394 1 Consumer 11 — Total $ 14,008 $ 4 Total: Agricultural $ 4,273 $ — Commercial and industrial 7,803 — Commercial real estate: Construction and development — — Farmland 2,453 — Multifamily — — Commercial real estate-other 5,151 9 Total commercial real estate 7,604 9 Residential real estate: One- to four- family first liens 469 1 One- to four- family junior liens 305 1 Total residential real estate 774 2 Consumer 11 — Total $ 20,465 $ 11
Schedule of PCD Loans	The following table summarizes the outstanding balance and carrying amount of our PCI loans that were identified prior to the adoption of ASC 326: December 31, 2019 (in thousands) Agricultural $ 904 Commercial and industrial 147 Commercial real estate 17,803 Residential real estate 4,136 Consumer 57 Outstanding balance 23,047 Carrying amount 22,551 Allowance for credit losses 1,250 Carrying amount, net of allowance for credit losses $ 21,301

Derivatives, Hedging Activiti_2

Derivatives, Hedging Activities and Balance Sheet Offsetting (Tables)	3 Months Ended
	Mar. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Derivative Instruments	The following table presents the total notional amounts and gross fair values of the Company’s derivatives as of the dates indicated. The derivative asset and liability balances are presented on a gross basis, prior to the application of master netting agreements, as included in other assets and other liabilities, respectively, on the consolidated balance sheets. The fair values of the Company's derivative instrument assets and liabilities are summarized as follows: As of March 31, 2020 As of December 31, 2019 Notional Amount Fair Value Notional Amount Fair Value (in thousands) Assets Liabilities Assets Liabilities Designated as hedging instruments Fair value hedges Interest rate swaps $ 16,625 $ — $ 2,875 $ 16,734 $ — $ 1,113 Cash flow hedges Interest rate swaps 30,000 — 894 — — — Total $ 46,625 $ — $ 3,769 $ 16,734 $ — $ 1,113 Not designated as hedging instruments: Interest rate swaps $ 281,492 $ 12,499 $ 12,533 $ 113,632 $ 1,824 $ 1,999 RPAs - protection sold 4,646 1 — 4,702 24 — RPAs - protection purchased 9,965 — 3 10,009 — 130 Total $ 296,103 $ 12,500 $ 12,536 $ 128,343 $ 1,848 $ 2,129
Schedule of Derivatives Instrument Impacts on Statements	The table below presents the effect of cash flow hedge accounting on AOCI as of March 31, 2020 and 2019, respectively. Amount of Gain or (Loss) Recognized in AOCI on Derivative Location of Gain or (Loss) Reclassified from AOCI into Income Amount of Gain (Loss) Reclassified from AOCI into Income Three Months Ended March 31, Three Months Ended March 31, (in thousands) 2020 2019 2020 2019 Interest rate swaps $ (888) $ — Interest Expense $ 5 $ — The table below presents the effect of the Company’s derivative financial instruments designated as hedging instruments on the consolidated statements of income for the periods indicated: Location and Amount of Gain or Loss Recognized in Income on Fair Value and Cash Flow Hedging Relationships For the Three Months Ended March 31, 2020 2019 (in thousands) Interest Income Interest Expense Interest Income Interest Expense Total amounts of income and expense line items presented in the consolidated statements of income in which the effects of fair value or cash flow hedges are recorded $ (47) $ (5) $ (1) $ — The effects of fair value and cash flow hedging: Gain (loss) on fair value hedging relationships in subtopic 815-20: Interest contracts: Hedged items 1,750 — 304 — Derivative designated as hedging instruments (1,797) — (305) — Income statement effect of cash flow hedging relationships in subtopic 815-20: Interest contracts: Amount reclassified from AOCI into income — (5) — —
Hedged Items In Fair Value Hedging Relationship	As of March 31, 2020, the following amounts were recorded on the balance sheet related to cumulative basis adjustment for fair value hedges: Line Item in the Balance Sheet in Which the Hedged Item is Included Carrying Amount of the Hedged Assets Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Asset (in thousands) Loans $ 19,493 $ 2,861
Derivatives Not Designated as Hedging Instruments	The following table presents the net gains (losses) recognized on the consolidated statements of income related to the derivatives not designated as hedging instruments for the periods indicated: Location in the Consolidated Statements of Income For the Three Months Ended March 31, (in thousands) 2020 2019 Interest rate swaps Other income $ 141 $ (22) RPAs Other income 103 (17) Total $ 244 $ (39)
Offsetting Derivative Assets And Liabilities	Offsetting of Derivatives The Company has entered into agreements with certain counterparty financial institutions, which include master netting agreements. However, the Company has elected to account for all derivatives with counterparty institutions on a gross basis. The Company manages the risk of default by its borrower counterparties through its normal loan underwriting and credit monitoring policies and procedures. The following table below presents gross derivatives and the respective collateral received or pledged in the form of other financial instruments as of March 31, 2020 and December 31, 2019, which are generally marketable securities and/or cash. The collateral amounts in the table below are limited to the outstanding balances of the related asset or liability (after netting is applied); thus instances of overcollateralization are not shown. Further, the net amounts of derivative assets or liabilities can be reconciled to the tabular disclosure of fair value. The tabular disclosure of fair value provides the location that derivative assets and liabilities are presented on the consolidated balance sheets. Gross Amounts Not Offset in the Balance Sheet (in thousands) Gross Amounts of Recognized Assets (Liabilities) Gross Amounts Offset in the Balance Sheet Net Amounts of Assets (Liabilities) presented in the Balance Sheet Financial Instruments Cash Collateral Pledged Net Assets (Liabilities) As of March 31, 2020 Asset Derivatives $ 12,500 $ — $ 12,500 $ — $ — $ 12,500 Liability Derivatives (16,305) — (16,305) — (16,305) — As of December 31, 2019 Asset Derivatives $ 1,848 $ — $ 1,848 $ — $ — $ 1,848 Liability Derivatives (3,242) — (3,242) — (3,242) —

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill	The following table presents the changes in the carrying amount of goodwill for the periods indicated: Three Months Ended March 31, (in thousands) 2020 Goodwill, beginning of period $ 91,918 Fair value adjustment 2,059 Total goodwill, end of period $ 93,977
Schedule of Finite-Lived Intangible Assets	The following table presents the gross carrying amount, accumulated amortization, and net carrying amount of other intangible assets for the periods indicated: As of March 31, 2020 As of December 31, 2019 (in thousands) Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Core deposit intangible $ 41,745 $ (22,558) $ 19,187 $ 41,745 $ (21,032) $ 20,713 Customer relationship intangible 5,265 (1,661) 3,604 5,265 (1,195) 4,070 Other 2,700 (2,341) 359 2,700 (2,305) 395 $ 49,710 $ (26,560) $ 23,150 $ 49,710 $ (24,532) $ 25,178 Indefinite-lived trade name intangible $ 7,040 $ 7,040
Schedule of Indefinite-Lived Intangible Assets	The following table presents the gross carrying amount, accumulated amortization, and net carrying amount of other intangible assets for the periods indicated: As of March 31, 2020 As of December 31, 2019 (in thousands) Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Core deposit intangible $ 41,745 $ (22,558) $ 19,187 $ 41,745 $ (21,032) $ 20,713 Customer relationship intangible 5,265 (1,661) 3,604 5,265 (1,195) 4,070 Other 2,700 (2,341) 359 2,700 (2,305) 395 $ 49,710 $ (26,560) $ 23,150 $ 49,710 $ (24,532) $ 25,178 Indefinite-lived trade name intangible $ 7,040 $ 7,040
Schedule of Future Amortization Expense	The following table provides the estimate future amortization expense for the remaining nine months ending December 31, 2020 and the succeeding periods: Core Deposit Intangible Customer Relationship Intangible Other Total Estimated Amortization Expense for the Year Ending December 31, 2020 $ 3,881 $ 969 $ 97 $ 4,947 2021 4,190 1,062 106 5,358 2022 3,487 797 79 4,363 2023 2,833 518 51 3,402 2024 2,180 239 24 2,443 Thereafter 2,616 19 2 2,637 Total $ 19,187 $ 3,604 $ 359 $ 23,150

Other Assets (Tables)

Other Assets (Tables)	3 Months Ended
	Mar. 31, 2020
Other Assets [Abstract]
Schedule of Other Assets	The components of the Company's other assets as of March 31, 2020 and December 31, 2019 were as follows: (in thousands) March 31, 2020 December 31, 2019 Bank-owned life insurance $ 82,146 $ 81,625 Interest receivable 17,029 18,525 FHLB stock 13,773 15,381 Mortgage servicing rights 6,579 7,026 Operating lease ROU assets, net 4,237 4,499 Federal & state taxes, current — 2,318 Federal & state taxes, deferred 8,532 3,530 Derivative assets 12,500 1,848 Other receivables/assets 12,656 13,208 $ 157,452 $ 147,960

Deposits (Tables)

Deposits (Tables)	3 Months Ended
	Mar. 31, 2020
Deposits [Abstract]
Deposit Liabilities	The following table presents the composition of our deposits as of the dates indicated: (in thousands) As of March 31, 2020 As of December 31, 2019 Noninterest bearing deposits $ 637,127 $ 662,209 Interest checking deposits 995,762 962,830 Money market deposits 793,482 763,028 Savings deposits 404,100 387,142 Time deposits under $250,000 688,409 682,232 Time deposits of $250,000 or more 340,964 271,214 Total deposits $ 3,859,844 $ 3,728,655

Short-Term Borrowings (Tables)

Short-Term Borrowings (Tables)	3 Months Ended
	Mar. 31, 2020
Short-term Debt [Abstract]
Schedule of Short-term borrowings	The following table summarizes our short-term borrowings as of the dates indicated: March 31, 2020 December 31, 2019 (in thousands) Weighted Average Rate Balance Weighted Average Rate Balance Securities sold under agreements to repurchase 0.90 % $ 129,489 1.06 % $ 117,249 Federal Home Loan Bank advances — — 1.73 22,100 Total 0.90 % $ 129,489 1.17 % $ 139,349

Long-Term Debt (Tables)

Long-Term Debt (Tables)	3 Months Ended
	Mar. 31, 2020
Debt Disclosure [Abstract]
Schedule of long-term debt	The table below summarizes the terms of each issuance of junior subordinated notes outstanding as of the dates indicated: (in thousands) Face Value Book Value Interest Rate Rate Maturity Date Callable Date March 31, 2020 ATBancorp Statutory Trust I $ 7,732 $ 6,823 Three-month LIBOR + 1.68% 2.42 % 06/15/2036 06/15/2011 ATBancorp Statutory Trust II 12,372 10,808 Three-month LIBOR + 1.65% 2.39 % 06/15/2037 06/15/2012 Central Bancshares Capital Trust II 7,217 6,795 Three-month LIBOR + 3.50% 4.24 % 03/15/2038 03/15/2013 Barron Investment Capital Trust I 2,062 1,741 Three-month LIBOR + 2.15% 3.35 % 09/23/2036 09/23/2011 MidWestOne Statutory Trust II 15,464 15,464 Three-month LIBOR + 1.59% 2.33 % 12/15/2037 12/15/2012 Total $ 44,847 $ 41,631 December 31, 2019 ATBancorp Statutory Trust I $ 7,732 $ 6,814 Three-month LIBOR + 1.68% 3.57 % 06/15/2036 06/15/2011 ATBancorp Statutory Trust II 12,372 10,794 Three-month LIBOR + 1.65% 3.54 % 09/15/2037 06/15/2012 Central Bancshares Capital Trust II 7,217 6,783 Three-month LIBOR + 3.50% 5.39 % 03/15/2038 03/15/2013 Barron Investment Capital Trust I 2,062 1,732 Three-month LIBOR + 2.15% 4.08 % 09/23/2036 09/23/2011 MidWestOne Statutory Trust II 15,464 15,464 Three-month LIBOR + 1.59% 3.48 % 12/15/2037 12/15/2012 Total $ 44,847 $ 41,587 Long-term borrowings were as follows as of March 31, 2020 and December 31, 2019: March 31, 2020 December 31, 2019 (in thousands) Weighted Average Rate Balance Weighted Average Rate Balance Finance lease payable 8.89 % $ 1,194 8.89 % $ 1,224 FHLB borrowings 2.30 125,673 2.25 145,700 Notes payable to unaffiliated bank 3.11 30,482 3.44 32,250 Total 2.51 % $ 157,349 2.51 % $ 179,174

Income Taxes (Tables)

Income Taxes (Tables)	3 Months Ended
	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Schedule of Effective Income Tax Rate Reconciliation	Income tax expense for the three months ended March 31, 2020 and 2019 varied from the amount computed by applying the maximum effective federal income tax rate of 21%, to the income before income taxes, because of the following items: For the Three Months Ended March 31, 2020 2019 (in thousands) Amount % of Pretax Income Amount % of Pretax Income Income tax based on statutory rate $ (876) (21.0) % $ 1,927 21.0 % Tax-exempt interest (643) (15.4) (468) (5.1) Bank-owned life insurance (109) (2.6) (82) (0.9) State income taxes, net of federal income tax benefit (191) (4.6) 487 5.3 Non-deductible acquisition expenses — — 26 0.3 General business credits (383) (9.2) (14) (0.2) Other 4 — 14 0.2 Total income tax expense (benefit) $ (2,198) (52.8) % $ 1,890 20.6 %

Earnings per Share (Tables)

Earnings per Share (Tables)	3 Months Ended
	Mar. 31, 2020
Earnings Per Share [Abstract]
Schedule of Earnings Per Share	The following table presents the computation of basic and diluted earnings per common share for the periods indicated: Three Months Ended March 31, (dollars in thousands, except per share amounts) 2020 2019 Basic Earnings Per Share: Net income (loss) $ (1,975) $ 7,285 Weighted average shares outstanding 16,141,500 12,164,360 Basic earnings (loss) per common share $ (0.12) $ 0.60 Diluted Earnings Per Share: Net income (loss) (1,975) $ 7,285 Weighted average shares outstanding, including all dilutive potential shares 16,141,500 12,176,757 Diluted earnings (loss) per common share $ (0.12) $ 0.60
Schedule of Antidilutive Securities	The weighted average shares that have an antidilutive effect in the calculation of diluted earnings per common share and have been excluded from the computations above were as follows: For the Three Months Ended March 31, 2020 Dilutive shares (1) 18,042 (1) Dilutive potential shares that were excluded from the computation of diluted earnings per common share for the three months ended March 31, 2020 as a result of the reported net loss available to common shareholders.

Regulatory Capital Requiremen_2

Regulatory Capital Requirements and Restrictions on Subsidiary Cash (Tables)	3 Months Ended
	Mar. 31, 2020
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations	A comparison of the Company's and the Bank's capital with the corresponding minimum regulatory requirements in effect as of March 31, 2020 and December 31, 2019, is presented below: Actual For Capital Adequacy Purposes With Capital Conservation Buffer(1) To Be Well Capitalized Under Prompt Corrective Action Provisions (dollars in thousands) Amount Ratio Amount Ratio Amount Ratio At March 31, 2020 Consolidated: Total capital/risk weighted assets $478,203 11.48% $437,295 10.50% N/A N/A Tier 1 capital/risk weighted assets 427,059 10.25 354,000 8.50 N/A N/A Common equity tier 1 capital/risk weighted assets 385,428 9.25 291,530 7.00 N/A N/A Tier 1 leverage capital/average assets 427,059 9.39 181,950 4.00 N/A N/A MidWest One Bank: Total capital/risk weighted assets $500,343 12.03% $436,868 10.50% $416,065 10.00% Tier 1 capital/risk weighted assets 455,700 10.95 353,655 8.50 332,852 8.00 Common equity tier 1 capital/risk weighted assets 455,700 10.95 291,246 7.00 270,442 6.50 Tier 1 leverage capital/average assets 455,700 10.03 181,680 4.00 227,099 5.00 At December 31, 2019 Consolidated: Total capital/risk weighted assets $463,601 11.34% $429,077 10.50% N/A N/A Tier 1 capital/risk weighted assets 428,021 10.47 347,348 8.50 N/A N/A Common equity tier 1 capital/risk weighted assets 386,434 9.46 286,051 7.00 N/A N/A Tier 1 leverage capital/average assets 428,021 9.48 180,529 4.00 N/A N/A MidWest One Bank: Total capital/risk weighted assets $482,106 11.83% $427,877 10.50% $407,502 10.00% Tier 1 capital/risk weighted assets 453,027 11.12 346,377 8.50 326,002 8.00 Common equity tier 1 capital/risk weighted assets 453,027 11.12 285,251 7.00 264,876 6.50 Tier 1 leverage capital/average assets 453,027 10.06 180,209 4.00 231,166 5.00 (1) Includes a capital conservation buffer of 2.50% at March 31, 2020 and December 31, 2019.

Commitments and Contingencies (

Commitments and Contingencies (Tables)	3 Months Ended
	Mar. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Schedule of Commitments	The Bank uses the same credit policies in making commitments and conditional obligations as it does for on-balance-sheet instruments. The following table summarizes the Bank's commitments as of the dates indicated: March 31, 2020 December 31, 2019 (in thousands) Commitments to extend credit $ 840,090 $ 859,212 Commitments to sell loans 9,483 5,400 Standby letters of credit 35,002 36,192 Total $ 884,575 $ 900,804

Fair Value of Financial Instr_2

Fair Value of Financial Instruments and Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2020
Fair Value Disclosures [Abstract]
Schedule of Fair Value Measured on Recurring Basis	Assets and liabilities measured at fair value on a recurring basis comprise the following as of the dates indicated: Fair Value Measurement at March 31, 2020 Using (in thousands) Total Level 1 Level 2 Level 3 Assets: Available for sale debt securities: U.S. Government agencies and corporations $ 431 $ — $ 431 $ — State and political subdivisions 286,377 — 286,377 — Mortgage-backed securities 42,601 — 42,601 — Collateralized mortgage obligations 306,860 — 306,860 — Corporate debt securities 245,590 — 245,590 — Derivative assets 12,500 — 12,500 — Liabilities: Derivative liabilities $ 16,305 $ — $ 16,305 $ — Fair Value Measurement at December 31, 2019 Using (in thousands) Total Level 1 Level 2 Level 3 Assets: Debt securities available for sale: U.S. Government agencies and corporations $ 441 $ — $ 441 $ — State and political subdivisions 257,205 — 257,205 — Mortgage-backed securities 43,530 — 43,530 — Collateralized mortgage obligations 292,946 — 292,946 — Corporate debt securities 191,855 — 191,855 — Derivative assets 1,848 — 1,848 — Liabilities: Derivative liabilities $ 3,242 $ — $ 3,242 $ —
Schedule of Fair Value Measured on Nonrecurring Basis	The following tables present assets measured at fair value on a nonrecurring basis as of the dates indicated: Fair Value Measurement at March 31, 2020 Using (in thousands) Total Level 1 Level 2 Level 3 Collateral dependent impaired loans $ 6,223 $ — $ — $ 6,223 Foreclosed assets, net 968 — — 968 Fair Value Measurement at December 31, 2019 Using (in thousands) Total Level 1 Level 2 Level 3 Collateral dependent impaired loans $ 6,749 $ — $ — $ 6,749 Foreclosed assets, net 3,706 — — 3,706
Fair Value, by Balance Sheet Grouping	The carrying amount and estimated fair value of financial instruments at March 31, 2020 and December 31, 2019 were as follows: March 31, 2020 (in thousands) Carrying Estimated Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 125,545 $ 125,545 $ 125,545 $ — $ — Debt securities available for sale 881,859 881,859 — 881,859 — Loans held for sale 9,483 9,646 — 9,646 — Loans held for investment, net 3,374,575 3,414,068 — — 3,414,068 Interest receivable 17,029 17,029 — 17,029 — Federal Home Loan Bank stock 13,773 13,773 — 13,773 — Derivative assets 12,500 12,500 — 12,500 — Financial liabilities: Non-interest bearing deposits 637,127 637,127 637,127 — — Interest-bearing deposits 3,222,717 3,231,800 2,193,344 1,038,456 — Short-term borrowings 129,489 129,489 129,489 — — Finance leases payable 1,194 1,194 — 1,194 — Federal Home Loan Bank borrowings 125,673 129,372 — 129,372 — Junior subordinated notes issued to capital trusts 41,631 34,655 — 34,655 — Subordinated debentures 10,894 11,066 — 11,066 — Other long-term debt 30,482 30,482 — 30,482 — Derivative liabilities 16,305 16,305 — 16,305 — December 31, 2019 (in thousands) Carrying Amount Estimated Fair Value Level 1 Level 2 Level 3 Financial assets: Cash and cash equivalents $ 73,484 $ 73,484 $ 73,484 $ — $ — Debt securities available for sale 785,977 785,977 — 785,977 — Loans held for sale 5,400 5,476 — 5,476 — Loans held for investment, net 3,422,187 3,427,952 — — 3,427,952 Interest receivable 18,525 18,525 — 18,525 — Federal Home Loan Bank stock 15,381 15,381 — 15,381 — Derivative assets 1,848 1,848 — 1,848 — Financial liabilities: Non-interest bearing deposits 662,209 662,209 662,209 — — Interest-bearing deposits 3,066,446 3,066,427 2,113,000 953,427 — Short-term borrowings 139,349 139,349 139,349 — — Finance leases payable 1,224 1,224 — 1,224 — Federal Home Loan Bank borrowings 145,700 146,913 — 146,913 — Junior subordinated notes issued to capital trusts 41,587 39,391 — 39,391 — Subordinated debentures 10,899 11,083 — 11,083 — Other long-term debt 32,250 32,250 — 32,250 — Derivative liabilities 3,242 3,242 — 3,242 —
Schedule of Valuation Techniques	The following table presents the valuation technique(s), unobservable inputs, and quantitative information about the unobservable inputs used for fair value measurements of the financial instruments held by the Company and categorized within Level 3 of the fair value hierarchy as of the date indicated: Fair Value at (dollars in thousands) March 31, 2020 December 31, 2019 Valuation Techniques(s) Unobservable Input Range of Inputs Weighted Average Collateral dependent impaired loans $ 6,223 $ 6,749 Fair value of collateral Valuation adjustments — % - 75 % 28 % Foreclosed assets, net $ 968 3,706 Fair value of collateral Valuation adjustments 5 % - 46 % 23 %

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2020
Leases [Abstract]
Schedule of Lease Assets and Liabilities	Supplemental balance sheet information related to leases was as follows: (in thousands) Classification March 31, 2020 December 31, 2019 Lease Right-of-Use Assets Operating lease right-of-use assets Other assets $ 4,237 $ 4,499 Finance lease right-of-use asset Premises and equipment, net 613 637 Total right-of-use assets $ 4,850 $ 5,136 Lease Liabilities Operating lease liability Other liabilities $ 5,202 $ 5,430 Finance lease liability Long-term debt 1,194 1,225 Total lease liabilities $ 6,396 $ 6,655 Weighted-average remaining lease term Operating leases 8.88 years 8.90 years Finance lease 6.42 years 6.67 years Weighted-average discount rate Operating leases 3.80 % 3.78 % Finance lease 8.89 % 8.89 %
Lease Costs and Other Information	The following table represents lease costs and other lease information. As the Company elected, for all classes of underlying assets, not to separate lease and non-lease components and instead to account for them as a single lease component, the variable lease cost primarily represents variable payments such as common area maintenance and utilities. Three Months Ended Three Months Ended March 31, March 31, (in thousands) 2020 2019 Lease Costs Operating lease cost $ 319 $ 193 Variable lease cost 39 35 Short-term lease cost — 1 Interest on lease liabilities (1) 26 29 Amortization of right-of-use assets 24 24 Net lease cost $ 408 $ 282 Other Information Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 503 $ 359 Operating cash flows from finance lease 27 29 Finance cash flows from finance lease 31 27 Right-of-use assets obtained in exchange for new operating lease liabilities — — Right-of-use assets obtained in exchange for new finance lease liabilities — — (1) Included in long-term debt interest expense in the Company’s consolidated statements of income. All other lease costs in this table are included in occupancy expense of premises, net.
Schedule of Finance Lease Liability Maturity	Future minimum payments for finance leases and operating leases with initial or remaining terms of one year or more as of March 31, 2020 were as follows: (in thousands) Finance Leases Operating Leases Twelve Months Ended: December 31, 2020 $ 173 $ 843 December 31, 2021 235 1,074 December 31, 2022 240 973 December 31, 2023 245 912 December 31, 2024 250 682 Thereafter 426 2,131 Total undiscounted lease payment $ 1,569 $ 6,615 Amounts representing interest (375) (1,413) Lease liability $ 1,194 $ 5,202
Schedule of Operating Lease Liability Maturity	Future minimum payments for finance leases and operating leases with initial or remaining terms of one year or more as of March 31, 2020 were as follows: (in thousands) Finance Leases Operating Leases Twelve Months Ended: December 31, 2020 $ 173 $ 843 December 31, 2021 235 1,074 December 31, 2022 240 973 December 31, 2023 245 912 December 31, 2024 250 682 Thereafter 426 2,131 Total undiscounted lease payment $ 1,569 $ 6,615 Amounts representing interest (375) (1,413) Lease liability $ 1,194 $ 5,202

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Details) $ in Thousands	May 01, 2019USD ($)shares	Mar. 31, 2020segment	Jun. 30, 2019USD ($)
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of operating segments | segment		1
Number of reportable segments | segment		1
MidWestOne Insurance Services Inc
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Gain on disposition of business			$ 1,100
ATBancorp
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of shares issued (in shares) | shares	4,117,536
Value of equity interest issued	$ 116,032
Cash consideration	$ 34,766

Effect of New Financial Accou_3

Effect of New Financial Accounting Standards (Details) - USD ($)	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings		$ 201,105,000	$ 190,212,000
Federal & state taxes, deferred		3,530,000	8,532,000
PCD assets		22,551,000
Allowance for credit losses on loans	$ 29,079,000	29,079,000	51,187,000	$ 29,652,000	$ 29,307,000
Liability for off-balance sheet credit exposures	0	0	5,800,000
Agricultural
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	3,748,000	3,748,000	1,146,000	3,691,000	3,637,000
Commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	8,394,000	8,394,000	19,309,000	7,594,000	7,478,000
Commercial real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	13,804,000	13,804,000	23,138,000	14,798,000	15,635,000
Residential real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	2,685,000	2,685,000	6,425,000	3,272,000	2,349,000
Consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	448,000	$ 448,000	$ 1,169,000	$ 297,000	$ 208,000
Impact of ASC 326 Adoption
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings	(5,400,000)
Federal & state taxes, deferred	1,900,000
PCD assets	(119,000)
Allowance for credit losses on loans	3,984,000
Liability for off-balance sheet credit exposures	3,433,000
Impact of ASC 326 Adoption | Agricultural
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	(2,557,000)
Impact of ASC 326 Adoption | Commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	2,728,000
Impact of ASC 326 Adoption | Commercial real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	1,300,000
Impact of ASC 326 Adoption | Residential real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	2,050,000
Impact of ASC 326 Adoption | Consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	463,000
As Reported Under ASC 326
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	33,063,000
Liability for off-balance sheet credit exposures	3,433,000
As Reported Under ASC 326 | Agricultural
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	1,191,000
As Reported Under ASC 326 | Commercial and industrial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	11,122,000
As Reported Under ASC 326 | Commercial real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	15,104,000
As Reported Under ASC 326 | Residential real estate
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	4,735,000
As Reported Under ASC 326 | Consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses on loans	$ 911,000

Business Combinations - Additio

Business Combinations - Additional Information (Details) - ATBancorp $ in Thousands	May 01, 2019USD ($)
Business Acquisition [Line Items]
Interest acquired	100.00%
Share consideration	$ 116,032
Cash consideration	$ 34,766

Business Combinations - Assets

Business Combinations - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	May 01, 2019	Mar. 31, 2020	Dec. 31, 2019
Liabilities assumed
Goodwill		$ 93,977	$ 91,918
ATBancorp
Merger consideration
Share consideration	$ 116,032
Cash consideration	34,766
Total merger consideration	150,798
Assets acquired
Cash and cash equivalents	82,081
Debt securities available for sale	99,056
Loans	1,138,928
Premises and equipment	18,327
Other intangible assets	28,349
Foreclosed assets	3,091
Other assets	42,944
Total assets acquired	1,412,776
Liabilities assumed
Deposits	1,089,355
Short-term borrowings	100,761
Long-term debt	71,234
Other liabilities	29,951
Total liabilities assumed	1,291,301
Fair value of net assets acquired	121,475
Goodwill	$ 29,323

Business Combinations - Acquisi

Business Combinations - Acquisition-Related Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Noninterest Expense [Abstract]
Compensation and employee benefits	$ 16,617	$ 12,579
Legal and professional	1,535	965
Data processing	1,354	845
Other	2,141	1,150
ATBancorp
Noninterest Expense [Abstract]
Compensation and employee benefits	0	10
Legal and professional	0	126
Data processing	44	5
Other	10	26
Total impact of acquisition-related costs to noninterest expense	$ 54	$ 167

Debt Securities - Schedule of A

Debt Securities - Schedule of Available for Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Schedule of Available-for-sale Securities
Amortized Cost	$ 871,660	$ 780,061
Gross Unrealized Gains	16,068	8,359
Gross Unrealized Losses	5,869	2,443
Allowance for Credit Loss related to Debt Securities	0
Debt securities available for sale at fair value	881,859	785,977
U.S. Government agencies and corporations
Schedule of Available-for-sale Securities
Amortized Cost	421	439
Gross Unrealized Gains	10	2
Gross Unrealized Losses	0	0
Allowance for Credit Loss related to Debt Securities	0
Debt securities available for sale at fair value	431	441
State and political subdivisions
Schedule of Available-for-sale Securities
Amortized Cost	283,087	253,750
Gross Unrealized Gains	4,499	3,803
Gross Unrealized Losses	1,209	348
Allowance for Credit Loss related to Debt Securities	0
Debt securities available for sale at fair value	286,377	257,205
Mortgage-backed securities
Schedule of Available-for-sale Securities
Amortized Cost	41,191	43,009
Gross Unrealized Gains	1,412	536
Gross Unrealized Losses	2	15
Allowance for Credit Loss related to Debt Securities	0
Debt securities available for sale at fair value	42,601	43,530
Collateralized mortgage obligations
Schedule of Available-for-sale Securities
Amortized Cost	301,287	293,911
Gross Unrealized Gains	6,804	1,000
Gross Unrealized Losses	1,231	1,965
Allowance for Credit Loss related to Debt Securities	0
Debt securities available for sale at fair value	306,860	292,946
Corporate debt securities
Schedule of Available-for-sale Securities
Amortized Cost	245,674	188,952
Gross Unrealized Gains	3,343	3,018
Gross Unrealized Losses	3,427	115
Allowance for Credit Loss related to Debt Securities	0
Debt securities available for sale at fair value	$ 245,590	$ 191,855

Debt Securities - Available for

Debt Securities - Available for Sale Securities in Continuous Loss Position (Details) $ in Thousands	Mar. 31, 2020USD ($)security	Dec. 31, 2019USD ($)security
Schedule of Available-for-sale Securities
Number of Securities | security	122	94
Less than 12 Months, Fair Value	$ 202,557	$ 138,531
Less than 12 Months, Accumulated Losses	5,784	1,067
12 Months or More, Fair Value	1,333	77,869
12 Months or More, Accumulated Loss	85	1,376
Fair Value	203,890	216,400
Unrealized Losses	$ 5,869	$ 2,443
State and political subdivisions
Schedule of Available-for-sale Securities
Number of Securities | security	77	47
Less than 12 Months, Fair Value	$ 33,845	$ 27,161
Less than 12 Months, Accumulated Losses	1,209	322
12 Months or More, Fair Value		2,112
12 Months or More, Accumulated Loss	0	26
Fair Value	33,845	29,273
Unrealized Losses	$ 1,209	$ 348
Mortgage-backed securities
Schedule of Available-for-sale Securities
Number of Securities | security	9	7
Less than 12 Months, Fair Value	$ 404	$ 963
Less than 12 Months, Accumulated Losses	2	12
12 Months or More, Fair Value	17	1,365
12 Months or More, Accumulated Loss	0	3
Fair Value	421	2,328
Unrealized Losses	$ 2	$ 15
Collateralized mortgage obligations
Schedule of Available-for-sale Securities
Number of Securities | security	8	33
Less than 12 Months, Fair Value	$ 62,873	$ 103,395
Less than 12 Months, Accumulated Losses	1,231	719
12 Months or More, Fair Value		65,604
12 Months or More, Accumulated Loss	0	1,246
Fair Value	62,873	168,999
Unrealized Losses	$ 1,231	$ 1,965
Corporate debt securities
Schedule of Available-for-sale Securities
Number of Securities | security	28	7
Less than 12 Months, Fair Value	$ 105,435	$ 7,012
Less than 12 Months, Accumulated Losses	3,342	14
12 Months or More, Fair Value	1,316	8,788
12 Months or More, Accumulated Loss	85	101
Fair Value	106,751	15,800
Unrealized Losses	$ 3,427	$ 115

Debt Securities - Proceeds and

Debt Securities - Proceeds and Gross Realized Gains (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Debt Securities [Abstract]
Proceeds from sales of debt securities available for sale	$ 22,140	$ 7,280
Gross realized gains from sales of debt securities available for sale	155	26
Gross realized losses from sales of debt securities available for sale	(113)	(9)
Net realized gain from sales of debt securities available for sale	$ 42	$ 17

Debt Securities - Investments C

Debt Securities - Investments Classified by Contractual Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Amortized Cost
Due in one year or less, amortized cost	$ 42,982
Due after one year through five years, amortized cost	185,876
Due after five years through ten years, amortized cost	225,762
Due after ten years, amortized cost	74,562
Total maturing securities, amortized cost	529,182
Amortized Cost	871,660	$ 780,061
Fair Value
Due in one year or less, estimated fair value	43,030
Due after one year through five years, estimated fair value	186,530
Due after five years through ten years, estimated fair value	227,898
Due after ten years, estimated fair value	74,940
Total maturing securities, fair value	532,398
Debt securities available for sale at fair value	881,859	785,977
Mortgage-backed securities
Amortized Cost
Amortized Cost	41,191	43,009
Fair Value
Debt securities available for sale at fair value	42,601	43,530
Collateralized mortgage obligations
Amortized Cost
Amortized Cost	301,287	293,911
Fair Value
Debt securities available for sale at fair value	$ 306,860	$ 292,946

Debt Securities - Additional In

Debt Securities - Additional Information (Details) $ in Thousands	Mar. 31, 2020USD ($)security	Dec. 31, 2019USD ($)security
Debt Securities [Abstract]
Pledged securities	$ 334,700	$ 264,800
Schedule of Available-for-sale Securities
Securities in continuous unrealized loss position | security	122	94
Accumulated unrealized losses	$ 5,869	$ 2,443
Interest receivable	$ 17,029	$ 18,525
State and political subdivisions
Schedule of Available-for-sale Securities
Securities in continuous unrealized loss position | security	77	47
Accumulated unrealized losses	$ 1,209	$ 348
Mortgage-backed securities
Schedule of Available-for-sale Securities
Securities in continuous unrealized loss position | security	9	7
Accumulated unrealized losses	$ 2	$ 15
Collateralized mortgage obligations
Schedule of Available-for-sale Securities
Securities in continuous unrealized loss position | security	8	33
Accumulated unrealized losses	$ 1,231	$ 1,965
Corporate debt securities
Schedule of Available-for-sale Securities
Securities in continuous unrealized loss position | security	28	7
Accumulated unrealized losses	$ 3,427	$ 115
Debt securities
Schedule of Available-for-sale Securities
Interest receivable	$ 4,600

Loans Receivable and the Allo_3

Loans Receivable and the Allowance for Credit Losses - Composition of Loans by Lending Classification (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	$ 3,425,762		$ 3,451,266
Allowance for credit losses	(51,187)	$ (29,079)	(29,079)	$ (29,652)	$ (29,307)
Total loans held for investment, net	3,374,575		3,422,187
Loans pledged for Federal Home Loan Bank debt	918,200		945,900
Loans and leases receivable, impaired, commitment to lend	0
Agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	145,435		140,446
Allowance for credit losses	(1,146)	(3,748)	(3,748)	(3,691)	(3,637)
Total loans held for investment, net	145,435
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	864,702		835,236
Allowance for credit losses	(19,309)	(8,394)	(8,394)	(7,594)	(7,478)
Total loans held for investment, net	864,702
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	1,780,446		1,814,859
Allowance for credit losses	(23,138)	(13,804)	(13,804)	(14,798)	(15,635)
Commercial real estate | Construction & development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	282,921		298,077
Total loans held for investment, net	282,921
Commercial real estate | Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	168,777		181,885
Total loans held for investment, net	168,777
Commercial real estate | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	217,108		227,407
Total loans held for investment, net	217,108
Commercial real estate | Commercial real estate-other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	1,111,640		1,107,490
Total loans held for investment, net	1,111,640
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	554,290		577,799
Allowance for credit losses	(6,425)	(2,685)	(2,685)	(3,272)	(2,349)
Residential real estate | One- to four- family first liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	389,055		407,418
Total loans held for investment, net	389,055
Residential real estate | One- to four- family junior liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	165,235		170,381
Total loans held for investment, net	165,235
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, gross	80,889		82,926
Allowance for credit losses	(1,169)	$ (448)	$ (448)	$ (297)	$ (208)
Total loans held for investment, net	$ 80,889

Loans Receivable and the Allo_4

Loans Receivable and the Allowance for Credit Losses - Amortized Cost Basis Based on Delinquency Status (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due
Loans current	$ 3,382,313	$ 3,420,971
Loans held for investment, net of unearned income	3,425,762	3,451,266
90 Days or More Past Due And Accruing	303	136
30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	15,269	10,045
60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	5,185	2,283
90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	22,995	17,967
Agricultural
Financing Receivable, Recorded Investment, Past Due
Loans current	137,398	137,715
Loans held for investment, net of unearned income	145,435	140,446
90 Days or More Past Due And Accruing	0	0
Agricultural | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	6,416	975
Agricultural | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	416	0
Agricultural | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	1,205	1,756
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due
Loans current	858,489	828,842
Loans held for investment, net of unearned income	864,702	835,236
90 Days or More Past Due And Accruing	62	0
Commercial and industrial | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	1,999	846
Commercial and industrial | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	436	270
Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	3,778	5,278
Commercial real estate
Financing Receivable, Recorded Investment, Past Due
Loans current	1,757,239	1,799,793
Loans held for investment, net of unearned income	1,780,446	1,814,859
90 Days or More Past Due And Accruing	174	0
Commercial real estate | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	4,044	4,977
Commercial real estate | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	3,158	968
Commercial real estate | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	16,005	9,121
Commercial real estate | Construction & development
Financing Receivable, Recorded Investment, Past Due
Loans current	281,109	294,995
Loans held for investment, net of unearned income	282,921	298,077
90 Days or More Past Due And Accruing	0	0
Commercial real estate | Construction & development | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	431	2,256
Commercial real estate | Construction & development | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	649	621
Commercial real estate | Construction & development | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	732	205
Commercial real estate | Farmland
Financing Receivable, Recorded Investment, Past Due
Loans current	157,371	175,281
Loans held for investment, net of unearned income	168,777	181,885
90 Days or More Past Due And Accruing	0	0
Commercial real estate | Farmland | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	1,760	362
Commercial real estate | Farmland | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	2,062	0
Commercial real estate | Farmland | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	7,584	6,242
Commercial real estate | Multifamily
Financing Receivable, Recorded Investment, Past Due
Loans current	216,242	227,013
Loans held for investment, net of unearned income	217,108	227,407
90 Days or More Past Due And Accruing	0	0
Commercial real estate | Multifamily | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	866	394
Commercial real estate | Multifamily | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	0	0
Commercial real estate | Multifamily | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	0	0
Commercial real estate | Commercial real estate-other
Financing Receivable, Recorded Investment, Past Due
Loans current	1,102,517	1,102,504
Loans held for investment, net of unearned income	1,111,640	1,107,490
90 Days or More Past Due And Accruing	174	0
Commercial real estate | Commercial real estate-other | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	987	1,965
Commercial real estate | Commercial real estate-other | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	447	347
Commercial real estate | Commercial real estate-other | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	7,689	2,674
Residential real estate
Financing Receivable, Recorded Investment, Past Due
Loans current	548,659	572,063
Loans held for investment, net of unearned income	554,290	577,799
90 Days or More Past Due And Accruing	44	124
Residential real estate | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	2,670	3,097
Residential real estate | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	1,129	965
Residential real estate | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	1,832	1,674
Residential real estate | One- to four- family first liens
Financing Receivable, Recorded Investment, Past Due
Loans current	384,069	402,471
Loans held for investment, net of unearned income	389,055	407,418
90 Days or More Past Due And Accruing	44	99
Residential real estate | One- to four- family first liens | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	2,339	2,579
Residential real estate | One- to four- family first liens | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	993	857
Residential real estate | One- to four- family first liens | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	1,654	1,511
Residential real estate | One- to four- family junior liens
Financing Receivable, Recorded Investment, Past Due
Loans current	164,590	169,592
Loans held for investment, net of unearned income	165,235	170,381
90 Days or More Past Due And Accruing	0	25
Residential real estate | One- to four- family junior liens | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	331	518
Residential real estate | One- to four- family junior liens | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	136	108
Residential real estate | One- to four- family junior liens | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	178	163
Consumer
Financing Receivable, Recorded Investment, Past Due
Loans current	80,528	82,558
Loans held for investment, net of unearned income	80,889	82,926
90 Days or More Past Due And Accruing	23	12
Consumer | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	140	150
Consumer | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	46	80
Consumer | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due
Loans past due	$ 175	$ 138

Loans Receivable and the Allo_5

Loans Receivable and the Allowance for Credit Losses - Nonaccrual Status and Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	$ 43,973	$ 41,483
Nonaccrual with no Allowance for Credit Losses	28,418
90 Days or More Past Due And Accruing	303	136
Interest Income Recognized on Nonaccrual	272
Agricultural
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	3,585	2,894
Nonaccrual with no Allowance for Credit Losses	2,519
90 Days or More Past Due And Accruing	0	0
Interest Income Recognized on Nonaccrual	64
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	11,755	13,276
Nonaccrual with no Allowance for Credit Losses	6,140
90 Days or More Past Due And Accruing	62	0
Interest Income Recognized on Nonaccrual	56
Commercial real estate
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	25,066	22,037
Nonaccrual with no Allowance for Credit Losses	19,152
90 Days or More Past Due And Accruing	174	0
Interest Income Recognized on Nonaccrual	141
Commercial real estate | Construction & development
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	867	1,494
Nonaccrual with no Allowance for Credit Losses	701
90 Days or More Past Due And Accruing	0	0
Interest Income Recognized on Nonaccrual	35
Commercial real estate | Farmland
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	13,682	10,402
Nonaccrual with no Allowance for Credit Losses	11,566
90 Days or More Past Due And Accruing	0	0
Interest Income Recognized on Nonaccrual	84
Commercial real estate | Multifamily
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	0	0
Nonaccrual with no Allowance for Credit Losses	0
90 Days or More Past Due And Accruing	0	0
Interest Income Recognized on Nonaccrual	1
Commercial real estate | Commercial real estate-other
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	10,517	10,141
Nonaccrual with no Allowance for Credit Losses	6,885
90 Days or More Past Due And Accruing	174	0
Interest Income Recognized on Nonaccrual	21
Residential real estate
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	3,345	3,070
Nonaccrual with no Allowance for Credit Losses	582
90 Days or More Past Due And Accruing	44	124
Interest Income Recognized on Nonaccrual	9
Residential real estate | One- to four- family first liens
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	2,777	2,557
Nonaccrual with no Allowance for Credit Losses	581
90 Days or More Past Due And Accruing	44	99
Interest Income Recognized on Nonaccrual	8
Residential real estate | One- to four- family junior liens
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	568	513
Nonaccrual with no Allowance for Credit Losses	1
90 Days or More Past Due And Accruing	0	25
Interest Income Recognized on Nonaccrual	1
Consumer
Financing Receivable, Recorded Investment, Past Due
Nonaccrual	222	206
Nonaccrual with no Allowance for Credit Losses	25
90 Days or More Past Due And Accruing	23	$ 12
Interest Income Recognized on Nonaccrual	$ 2

Loans Receivable and the Allo_6

Loans Receivable and the Allowance for Credit Losses - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment
Total loans held for investment, net	$ 3,374,575	$ 3,422,187
Loans, gross	3,425,762	3,451,266
Pass
Financing Receivable, Recorded Investment
Loans, gross		3,246,524
Special mention / watch
Financing Receivable, Recorded Investment
Loans, gross		121,709
Substandard
Financing Receivable, Recorded Investment
Loans, gross		82,813
Doubtful
Financing Receivable, Recorded Investment
Loans, gross		184
Loss
Financing Receivable, Recorded Investment
Loans, gross		36
Agricultural
Financing Receivable, Recorded Investment
2020	18,482
2019	18,497
2018	9,635
2017	3,852
2016	4,288
Prior	6,350
Revolving Loans	84,331
Total loans held for investment, net	145,435
Loans, gross	145,435	140,446
Agricultural | Pass
Financing Receivable, Recorded Investment
2020	14,609
2019	15,786
2018	8,035
2017	3,272
2016	3,135
Prior	3,220
Revolving Loans	74,018
Total loans held for investment, net	122,075
Loans, gross		117,374
Agricultural | Special mention / watch
Financing Receivable, Recorded Investment
2020	3,749
2019	1,268
2018	591
2017	404
2016	897
Prior	344
Revolving Loans	5,543
Total loans held for investment, net	12,796
Loans, gross		13,292
Agricultural | Substandard
Financing Receivable, Recorded Investment
2020	124
2019	1,443
2018	1,009
2017	176
2016	256
Prior	2,786
Revolving Loans	4,770
Total loans held for investment, net	10,564
Loans, gross		9,780
Agricultural | Doubtful
Financing Receivable, Recorded Investment
2020	0
Loans, gross		0
Agricultural | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Commercial and industrial
Financing Receivable, Recorded Investment
2020	64,852
2019	141,241
2018	102,903
2017	119,327
2016	57,268
Prior	135,236
Revolving Loans	243,875
Total loans held for investment, net	864,702
Loans, gross	864,702	835,236
Commercial and industrial | Pass
Financing Receivable, Recorded Investment
2020	62,134
2019	135,839
2018	99,140
2017	113,934
2016	54,861
Prior	127,025
Revolving Loans	227,607
Total loans held for investment, net	820,540
Loans, gross		794,526
Commercial and industrial | Special mention / watch
Financing Receivable, Recorded Investment
2020	334
2019	2,143
2018	2,717
2017	4,012
2016	990
Prior	5,545
Revolving Loans	9,814
Total loans held for investment, net	25,555
Loans, gross		19,038
Commercial and industrial | Substandard
Financing Receivable, Recorded Investment
2020	2,384
2019	3,259
2018	1,046
2017	1,381
2016	1,417
Prior	2,666
Revolving Loans	6,454
Total loans held for investment, net	18,607
Loans, gross		21,635
Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment
2020	0
Loans, gross		1
Commercial and industrial | Loss
Financing Receivable, Recorded Investment
Loans, gross		36
Commercial real estate
Financing Receivable, Recorded Investment
Loans, gross	1,780,446	1,814,859
Commercial real estate | Pass
Financing Receivable, Recorded Investment
Loans, gross		1,687,570
Commercial real estate | Special mention / watch
Financing Receivable, Recorded Investment
Loans, gross		83,511
Commercial real estate | Substandard
Financing Receivable, Recorded Investment
Loans, gross		43,778
Commercial real estate | Doubtful
Financing Receivable, Recorded Investment
Loans, gross		0
Commercial real estate | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Commercial real estate | Construction & development
Financing Receivable, Recorded Investment
2020	20,568
2019	139,612
2018	44,614
2017	34,407
2016	2,401
Prior	2,156
Revolving Loans	39,163
Total loans held for investment, net	282,921
Loans, gross	282,921	298,077
Commercial real estate | Construction & development | Pass
Financing Receivable, Recorded Investment
2020	18,964
2019	136,833
2018	44,024
2017	34,407
2016	2,285
Prior	2,076
Revolving Loans	29,539
Total loans held for investment, net	268,128
Loans, gross		283,921
Commercial real estate | Construction & development | Special mention / watch
Financing Receivable, Recorded Investment
2020	989
2019	800
2018	590
Prior	35
Revolving Loans	9,059
Total loans held for investment, net	11,473
Loans, gross		11,423
Commercial real estate | Construction & development | Substandard
Financing Receivable, Recorded Investment
2020	615
2019	1,979
2016	116
Prior	45
Revolving Loans	565
Total loans held for investment, net	3,320
Loans, gross		2,733
Commercial real estate | Construction & development | Doubtful
Financing Receivable, Recorded Investment
2020	0
Loans, gross		0
Commercial real estate | Construction & development | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Commercial real estate | Farmland
Financing Receivable, Recorded Investment
2020	13,639
2019	50,298
2018	25,258
2017	24,251
2016	13,795
Prior	36,741
Revolving Loans	4,795
Total loans held for investment, net	168,777
Loans, gross	168,777	181,885
Commercial real estate | Farmland | Pass
Financing Receivable, Recorded Investment
2020	10,749
2019	38,099
2018	19,395
2017	20,402
2016	12,113
Prior	28,798
Revolving Loans	3,521
Total loans held for investment, net	133,077
Loans, gross		141,107
Commercial real estate | Farmland | Special mention / watch
Financing Receivable, Recorded Investment
2020	1,672
2019	7,034
2018	1,973
2017	1,998
2016	1,255
Prior	1,296
Revolving Loans	703
Total loans held for investment, net	15,931
Loans, gross		21,307
Commercial real estate | Farmland | Substandard
Financing Receivable, Recorded Investment
2020	1,218
2019	5,165
2018	3,890
2017	1,851
2016	427
Prior	6,647
Revolving Loans	571
Total loans held for investment, net	19,769
Loans, gross		19,471
Commercial real estate | Farmland | Doubtful
Financing Receivable, Recorded Investment
2020	0
Loans, gross		0
Commercial real estate | Farmland | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Commercial real estate | Multifamily
Financing Receivable, Recorded Investment
2020	50,291
2019	22,638
2018	23,646
2017	25,045
2016	21,972
Prior	59,026
Revolving Loans	14,490
Total loans held for investment, net	217,108
Loans, gross	217,108	227,407
Commercial real estate | Multifamily | Pass
Financing Receivable, Recorded Investment
2020	50,291
2019	21,562
2018	23,646
2017	25,045
2016	21,887
Prior	59,026
Revolving Loans	14,490
Total loans held for investment, net	215,947
Loans, gross		226,124
Commercial real estate | Multifamily | Special mention / watch
Financing Receivable, Recorded Investment
2020	0
2016	85
Total loans held for investment, net	85
Loans, gross		90
Commercial real estate | Multifamily | Substandard
Financing Receivable, Recorded Investment
2020	0
2019	1,076
Total loans held for investment, net	1,076
Loans, gross		1,193
Commercial real estate | Multifamily | Doubtful
Financing Receivable, Recorded Investment
2020	0
Loans, gross		0
Commercial real estate | Multifamily | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Commercial real estate | Commercial real estate-other
Financing Receivable, Recorded Investment
2020	116,727
2019	240,050
2018	127,011
2017	198,062
2016	153,871
Prior	215,265
Revolving Loans	60,654
Total loans held for investment, net	1,111,640
Loans, gross	1,111,640	1,107,490
Commercial real estate | Commercial real estate-other | Pass
Financing Receivable, Recorded Investment
2020	115,059
2019	216,822
2018	113,410
2017	186,570
2016	148,073
Prior	201,195
Revolving Loans	60,246
Total loans held for investment, net	1,041,375
Loans, gross		1,036,418
Commercial real estate | Commercial real estate-other | Special mention / watch
Financing Receivable, Recorded Investment
2020	1,668
2019	21,535
2018	6,378
2017	7,060
2016	4,520
Prior	10,027
Revolving Loans	273
Total loans held for investment, net	51,461
Loans, gross		50,691
Commercial real estate | Commercial real estate-other | Substandard
Financing Receivable, Recorded Investment
2020	0
2019	1,693
2018	7,223
2017	4,432
2016	1,278
Prior	4,043
Revolving Loans	135
Total loans held for investment, net	18,804
Loans, gross		20,381
Commercial real estate | Commercial real estate-other | Doubtful
Financing Receivable, Recorded Investment
2020	0
Loans, gross		0
Commercial real estate | Commercial real estate-other | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Residential real estate
Financing Receivable, Recorded Investment
Loans, gross	554,290	577,799
Residential real estate | Pass
Financing Receivable, Recorded Investment
Loans, gross		564,404
Residential real estate | Special mention / watch
Financing Receivable, Recorded Investment
Loans, gross		5,829
Residential real estate | Substandard
Financing Receivable, Recorded Investment
Loans, gross		7,402
Residential real estate | Doubtful
Financing Receivable, Recorded Investment
Loans, gross		164
Residential real estate | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Residential real estate | One- to four- family first liens
Financing Receivable, Recorded Investment
2020	32,556
2019	76,812
2018	60,195
2017	56,952
2016	49,928
Prior	103,791
Revolving Loans	8,821
Total loans held for investment, net	389,055
Loans, gross	389,055	407,418
Residential real estate | One- to four- family first liens | Performing
Financing Receivable, Recorded Investment
2020	32,556
2019	76,673
2018	59,926
2017	56,374
2016	49,581
Prior	101,470
Revolving Loans	8,805
Total loans held for investment, net	385,385
Residential real estate | One- to four- family first liens | Nonperforming
Financing Receivable, Recorded Investment
2020	0
2019	139
2018	269
2017	578
2016	347
Prior	2,321
Revolving Loans	16
Total loans held for investment, net	3,670
Residential real estate | One- to four- family first liens | Pass
Financing Receivable, Recorded Investment
Loans, gross		396,175
Residential real estate | One- to four- family first liens | Special mention / watch
Financing Receivable, Recorded Investment
Loans, gross		4,547
Residential real estate | One- to four- family first liens | Substandard
Financing Receivable, Recorded Investment
Loans, gross		6,532
Residential real estate | One- to four- family first liens | Doubtful
Financing Receivable, Recorded Investment
Loans, gross		164
Residential real estate | One- to four- family first liens | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Residential real estate | One- to four- family junior liens
Financing Receivable, Recorded Investment
2020	2,215
2019	16,413
2018	19,152
2017	9,474
2016	5,101
Prior	9,334
Revolving Loans	103,546
Total loans held for investment, net	165,235
Loans, gross	165,235	170,381
Residential real estate | One- to four- family junior liens | Performing
Financing Receivable, Recorded Investment
2020	2,215
2019	16,329
2018	19,152
2017	9,441
2016	4,848
Prior	9,022
Revolving Loans	103,524
Total loans held for investment, net	164,531
Residential real estate | One- to four- family junior liens | Nonperforming
Financing Receivable, Recorded Investment
2020	0
2019	84
2018	0
2017	33
2016	253
Prior	312
Revolving Loans	22
Total loans held for investment, net	704
Residential real estate | One- to four- family junior liens | Pass
Financing Receivable, Recorded Investment
Loans, gross		168,229
Residential real estate | One- to four- family junior liens | Special mention / watch
Financing Receivable, Recorded Investment
Loans, gross		1,282
Residential real estate | One- to four- family junior liens | Substandard
Financing Receivable, Recorded Investment
Loans, gross		870
Residential real estate | One- to four- family junior liens | Doubtful
Financing Receivable, Recorded Investment
Loans, gross		0
Residential real estate | One- to four- family junior liens | Loss
Financing Receivable, Recorded Investment
Loans, gross		0
Consumer
Financing Receivable, Recorded Investment
2020	7,561
2019	23,820
2018	17,186
2017	8,093
2016	6,059
Prior	7,697
Revolving Loans	10,473
Total loans held for investment, net	80,889
Loans, gross	80,889	82,926
Consumer | Performing
Financing Receivable, Recorded Investment
2020	7,561
2019	23,785
2018	17,137
2017	8,025
2016	6,031
Prior	7,657
Revolving Loans	10,471
Total loans held for investment, net	80,667
Consumer | Nonperforming
Financing Receivable, Recorded Investment
2020	0
2019	35
2018	49
2017	68
2016	28
Prior	40
Revolving Loans	2
Total loans held for investment, net	$ 222
Consumer | Pass
Financing Receivable, Recorded Investment
Loans, gross		82,650
Consumer | Special mention / watch
Financing Receivable, Recorded Investment
Loans, gross		39
Consumer | Substandard
Financing Receivable, Recorded Investment
Loans, gross		218
Consumer | Doubtful
Financing Receivable, Recorded Investment
Loans, gross		19
Consumer | Loss
Financing Receivable, Recorded Investment
Loans, gross		$ 0

Loans Receivable and the Allo_7

Loans Receivable and the Allowance for Credit Losses - Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 29,079	$ 29,307
Charge-offs	(1,497)	(1,355)
Recoveries	299	106
Credit loss expense(1)	19,322	1,594
Ending balance	51,187	29,652
Loans Receivable
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Accrued interest receivable	12,200
Agricultural
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	3,748	3,637
Charge-offs	(84)	(134)
Recoveries	25	7
Credit loss expense(1)	14	181
Ending balance	1,146	3,691
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	8,394	7,478
Charge-offs	(471)	(354)
Recoveries	213	48
Credit loss expense(1)	8,445	422
Ending balance	19,309	7,594
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	13,804	15,635
Charge-offs	(720)	(650)
Recoveries	8	8
Credit loss expense(1)	8,746	(195)
Ending balance	23,138	14,798
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,685	2,349
Charge-offs		(49)
Recoveries	7	9
Credit loss expense(1)	1,683	963
Ending balance	6,425	3,272
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	448	208
Charge-offs	(222)	(168)
Recoveries	46	34
Credit loss expense(1)	434	223
Ending balance	$ 1,169	$ 297

Loans Receivable and the Allo_8

Loans Receivable and the Allowance for Credit Losses - Allowance for Loan Losses Based on Evaluation Method (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment	$ 38,529		$ 33,495
Collectively evaluated for impairment	3,387,233		3,395,220
Loans, gross	3,425,762		3,451,266
Allowance for Loan Losses [Abstract]
Loans receivable, allowance for credit losses, individually evaluated for impairment	3,925		3,663
Loans receivable, allowance for credit losses, collectively evaluated for impairment	47,262		24,166
Allowance for credit losses on loans	51,187	$ 29,079	29,079	$ 29,652	$ 29,307
Purchased credit impaired loans
Loans and Leases Receivable Disclosure [Line Items]
Loans, gross			22,551
Allowance for Loan Losses [Abstract]
Allowance for credit losses on loans			1,250
Agricultural
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment	3,256		4,312
Collectively evaluated for impairment	142,179		135,246
Loans, gross	145,435		140,446
Allowance for Loan Losses [Abstract]
Loans receivable, allowance for credit losses, individually evaluated for impairment	251		212
Loans receivable, allowance for credit losses, collectively evaluated for impairment	895		3,536
Allowance for credit losses on loans	1,146	3,748	3,748	3,691	3,637
Agricultural | Purchased credit impaired loans
Loans and Leases Receivable Disclosure [Line Items]
Loans, gross			888
Allowance for Loan Losses [Abstract]
Allowance for credit losses on loans			0
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment	10,778		12,242
Collectively evaluated for impairment	853,924		822,939
Loans, gross	864,702		835,236
Allowance for Loan Losses [Abstract]
Loans receivable, allowance for credit losses, individually evaluated for impairment	1,920		2,198
Loans receivable, allowance for credit losses, collectively evaluated for impairment	17,389		6,194
Allowance for credit losses on loans	19,309	8,394	8,394	7,594	7,478
Commercial and industrial | Purchased credit impaired loans
Loans and Leases Receivable Disclosure [Line Items]
Loans, gross			55
Allowance for Loan Losses [Abstract]
Allowance for credit losses on loans			2
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment	23,764		16,082
Collectively evaluated for impairment	1,756,682		1,781,306
Loans, gross	1,780,446		1,814,859
Allowance for Loan Losses [Abstract]
Loans receivable, allowance for credit losses, individually evaluated for impairment	1,651		1,180
Loans receivable, allowance for credit losses, collectively evaluated for impairment	21,487		11,836
Allowance for credit losses on loans	23,138	13,804	13,804	14,798	15,635
Commercial real estate | Purchased credit impaired loans
Loans and Leases Receivable Disclosure [Line Items]
Loans, gross			17,471
Allowance for Loan Losses [Abstract]
Allowance for credit losses on loans			788
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment	710		838
Collectively evaluated for impairment	553,580		572,865
Loans, gross	554,290		577,799
Allowance for Loan Losses [Abstract]
Loans receivable, allowance for credit losses, individually evaluated for impairment	103		73
Loans receivable, allowance for credit losses, collectively evaluated for impairment	6,322		2,152
Allowance for credit losses on loans	6,425	2,685	2,685	3,272	2,349
Residential real estate | Purchased credit impaired loans
Loans and Leases Receivable Disclosure [Line Items]
Loans, gross			4,096
Allowance for Loan Losses [Abstract]
Allowance for credit losses on loans			460
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Individually evaluated for impairment	21		21
Collectively evaluated for impairment	80,868		82,864
Loans, gross	80,889		82,926
Allowance for Loan Losses [Abstract]
Loans receivable, allowance for credit losses, collectively evaluated for impairment	1,169		448
Allowance for credit losses on loans	$ 1,169	$ 448	448	$ 297	$ 208
Consumer | Purchased credit impaired loans
Loans and Leases Receivable Disclosure [Line Items]
Loans, gross			41
Allowance for Loan Losses [Abstract]
Allowance for credit losses on loans			$ 0

Loans Receivable and the Allo_9

Loans Receivable and the Allowance for Credit Losses - Primary Type of Collateral (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	$ 3,374,575		$ 3,422,187
Allowance for credit losses on loans	51,187	$ 29,079	29,079	$ 29,652	$ 29,307
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	26,715
Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	7,432
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	4,383
Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	38,530
Allowance for credit losses on loans	3,925
Agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	145,435
Allowance for credit losses on loans	1,146	3,748	3,748	3,691	3,637
Agricultural | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	1,181
Agricultural | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Agricultural | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	1,708
Agricultural | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	367
Agricultural | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	3,256
Allowance for credit losses on loans	251
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	864,702
Allowance for credit losses on loans	19,309	8,394	8,394	7,594	7,478
Commercial and industrial | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	1,060
Commercial and industrial | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial and industrial | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	5,703
Commercial and industrial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	4,016
Commercial and industrial | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	10,779
Allowance for credit losses on loans	1,920
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses on loans	23,138	13,804	13,804	14,798	15,635
Commercial real estate | Construction & development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	282,921
Commercial real estate | Construction & development | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	700
Commercial real estate | Construction & development | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Construction & development | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Construction & development | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Construction & development | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	700
Allowance for credit losses on loans	0
Commercial real estate | Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	168,777
Commercial real estate | Farmland | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	13,195
Commercial real estate | Farmland | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Farmland | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Farmland | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Farmland | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	13,195
Allowance for credit losses on loans	657
Commercial real estate | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	217,108
Commercial real estate | Multifamily | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Multifamily | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Multifamily | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Multifamily | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Multifamily | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Allowance for credit losses on loans	0
Commercial real estate | Commercial real estate-other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	1,111,640
Commercial real estate | Commercial real estate-other | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	9,869
Commercial real estate | Commercial real estate-other | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Commercial real estate-other | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Commercial real estate-other | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Commercial real estate | Commercial real estate-other | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	9,869
Allowance for credit losses on loans	994
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses on loans	6,425	2,685	2,685	3,272	2,349
Residential real estate | One- to four- family first liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	389,055
Residential real estate | One- to four- family first liens | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	710
Residential real estate | One- to four- family first liens | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Residential real estate | One- to four- family first liens | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Residential real estate | One- to four- family first liens | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Residential real estate | One- to four- family first liens | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	710
Allowance for credit losses on loans	103
Residential real estate | One- to four- family junior liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	165,235
Residential real estate | One- to four- family junior liens | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Residential real estate | One- to four- family junior liens | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Residential real estate | One- to four- family junior liens | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Residential real estate | One- to four- family junior liens | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Residential real estate | One- to four- family junior liens | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Allowance for credit losses on loans	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	80,889
Allowance for credit losses on loans	1,169	$ 448	$ 448	$ 297	$ 208
Consumer | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Consumer | Accounts Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Consumer | Equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	21
Consumer | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	0
Consumer | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, net	21
Allowance for credit losses on loans	$ 0

Loans Receivable and the All_10

Loans Receivable and the Allowance for Credit Losses - TDR Disclosures (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)contractsecurity	Mar. 31, 2019USD ($)contractsecurity	Dec. 31, 2019USD ($)
Receivables [Abstract]
Troubled Debt Restructurings	$ 11,700		$ 11,000
Financing Receivable, Modifications
Modifications, subsequent default, number of contracts | security	0	0
Extended Maturity
Financing Receivable, Modifications
Number of Contracts | contract	3	1
Pre-Modification Outstanding Recorded Investment	$ 727	$ 51
Post-Modification Outstanding Recorded Investment	$ 727	$ 51
Commercial and industrial | Extended Maturity
Financing Receivable, Modifications
Number of Contracts | contract	1
Pre-Modification Outstanding Recorded Investment	$ 242
Post-Modification Outstanding Recorded Investment	$ 242
Commercial real estate | Commercial real estate-other | Extended Maturity
Financing Receivable, Modifications
Number of Contracts | contract	2
Pre-Modification Outstanding Recorded Investment	$ 485
Post-Modification Outstanding Recorded Investment	$ 485
Residential real estate | One- to four- family junior liens | Extended Maturity
Financing Receivable, Modifications
Number of Contracts | contract		1
Pre-Modification Outstanding Recorded Investment		$ 51
Post-Modification Outstanding Recorded Investment		$ 51

Loans Receivable and the All_11

Loans Receivable and the Allowance for Credit Losses - Pre-ASC 326 Impaired Loan Disclosure (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2019
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		$ 21,568
Impaired financing receivable, with related allowance, recorded investment		11,927
Recorded Investment		33,495
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		25,790
Impaired financing receivable, with related allowance, unpaid principal balance		13,121
Unpaid Principal Balance		38,911
Related Allowance		3,663
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	$ 6,457
Impaired financing receivable, with related allowance, average recorded investment	14,008
Average Recorded Investment	20,465
Interest Income Recognized
Impaired financing receivable, with no related allowance, interest income, accrual method	7
Impaired financing receivable, with related allowance, interest income, accrual method	4
Interest Income Recognized	11
Agricultural
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		2,383
Impaired financing receivable, with related allowance, recorded investment		1,929
Recorded Investment		4,312
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		2,913
Impaired financing receivable, with related allowance, unpaid principal balance		1,930
Unpaid Principal Balance		4,843
Related Allowance		212
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	1,538
Impaired financing receivable, with related allowance, average recorded investment	2,735
Average Recorded Investment	4,273
Commercial and industrial
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		7,391
Impaired financing receivable, with related allowance, recorded investment		4,851
Recorded Investment		12,242
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		10,875
Impaired financing receivable, with related allowance, unpaid principal balance		5,417
Unpaid Principal Balance		16,292
Related Allowance		2,198
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	2,343
Impaired financing receivable, with related allowance, average recorded investment	5,460
Average Recorded Investment	7,803
Commercial real estate
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		11,196
Impaired financing receivable, with related allowance, recorded investment		4,886
Recorded Investment		16,082
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		11,403
Impaired financing receivable, with related allowance, unpaid principal balance		5,512
Unpaid Principal Balance		16,915
Related Allowance		1,180
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	2,196
Impaired financing receivable, with related allowance, average recorded investment	5,408
Average Recorded Investment	7,604
Interest Income Recognized
Impaired financing receivable, with no related allowance, interest income, accrual method	6
Impaired financing receivable, with related allowance, interest income, accrual method	3
Interest Income Recognized	9
Commercial real estate | Construction & development
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		1,181
Impaired financing receivable, with related allowance, recorded investment		135
Recorded Investment		1,316
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		1,218
Impaired financing receivable, with related allowance, unpaid principal balance		135
Unpaid Principal Balance		1,353
Related Allowance		135
Commercial real estate | Farmland
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		4,306
Impaired financing receivable, with related allowance, recorded investment		1,109
Recorded Investment		5,415
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		4,331
Impaired financing receivable, with related allowance, unpaid principal balance		1,148
Unpaid Principal Balance		5,479
Related Allowance		347
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	1,011
Impaired financing receivable, with related allowance, average recorded investment	1,442
Average Recorded Investment	2,453
Commercial real estate | Commercial real estate-other
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		5,709
Impaired financing receivable, with related allowance, recorded investment		3,642
Recorded Investment		9,351
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		5,854
Impaired financing receivable, with related allowance, unpaid principal balance		4,229
Unpaid Principal Balance		10,083
Related Allowance		698
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	1,185
Impaired financing receivable, with related allowance, average recorded investment	3,966
Average Recorded Investment	5,151
Interest Income Recognized
Impaired financing receivable, with no related allowance, interest income, accrual method	6
Impaired financing receivable, with related allowance, interest income, accrual method	3
Interest Income Recognized	9
Residential real estate
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		577
Impaired financing receivable, with related allowance, recorded investment		261
Recorded Investment		838
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		578
Impaired financing receivable, with related allowance, unpaid principal balance		262
Unpaid Principal Balance		840
Related Allowance		73
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	380
Impaired financing receivable, with related allowance, average recorded investment	394
Average Recorded Investment	774
Interest Income Recognized
Impaired financing receivable, with no related allowance, interest income, accrual method	1
Impaired financing receivable, with related allowance, interest income, accrual method	1
Interest Income Recognized	2
Residential real estate | One- to four- family first liens
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		577
Impaired financing receivable, with related allowance, recorded investment		261
Recorded Investment		838
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		578
Impaired financing receivable, with related allowance, unpaid principal balance		262
Unpaid Principal Balance		840
Related Allowance		73
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	75
Impaired financing receivable, with related allowance, average recorded investment	394
Average Recorded Investment	469
Interest Income Recognized
Impaired financing receivable, with related allowance, interest income, accrual method	1
Interest Income Recognized	1
Residential real estate | One- to four- family junior liens
Average Recorded Investment
Impaired financing receivable, with no related allowance, average recorded investment	305
Average Recorded Investment	305
Interest Income Recognized
Impaired financing receivable, with no related allowance, interest income, accrual method	1
Interest Income Recognized	1
Consumer
Recorded Investment
Impaired financing receivable, with no related allowance, recorded investment		21
Recorded Investment		21
Unpaid Principal Balance
Impaired financing receivable, with no related allowance, unpaid principal balance		21
Unpaid Principal Balance		$ 21
Average Recorded Investment
Impaired financing receivable, with related allowance, average recorded investment	11
Average Recorded Investment	$ 11

Loans Receivable and the All_12

Loans Receivable and the Allowance for Credit Losses - PCD Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Mar. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net	$ 3,422,187	$ 3,374,575
Carrying amount	22,551
Allowance for credit losses	1,250
Carrying amount, net of allowance for credit losses	21,301
Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net		145,435
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net		864,702
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net		$ 80,889
Purchased credit impaired loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net	23,047
Purchased credit impaired loans | Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net	904
Purchased credit impaired loans | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net	147
Purchased credit impaired loans | Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net	17,803
Purchased credit impaired loans | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net	4,136
Purchased credit impaired loans | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable, net	$ 57

Derivatives, Hedging Activiti_3

Derivatives, Hedging Activities and Balance Sheet Offsetting - Derivatives and Hedging Activities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Feb. 29, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative assets, fair value	$ 12,500		$ 1,848
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative, notional amount	46,625		16,734
Derivative assets, fair value	0		0
Derivative liabilities, fair value	3,769		1,113
Designated as Hedging Instrument | Fair value hedges | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivative, notional amount	16,625		16,734
Derivative assets, fair value	0		0
Derivative liabilities, fair value	2,875		1,113
Designated as Hedging Instrument | Cash flow hedges | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivative, notional amount	30,000	$ 30,000	0
Derivative assets, fair value	0		0
Derivative liabilities, fair value	894		0
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative, notional amount	296,103		128,343
Derivative assets, fair value	12,500		1,848
Derivative liabilities, fair value	12,536		2,129
Not Designated as Hedging Instrument | Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivative, notional amount	281,492		113,632
Derivative assets, fair value	12,499		1,824
Derivative liabilities, fair value	12,533		1,999
Not Designated as Hedging Instrument | Risk Participation Agreement | RPAs - protection sold
Derivatives, Fair Value [Line Items]
Derivative, notional amount	4,646		4,702
Derivative assets, fair value	1		24
Derivative liabilities, fair value	0		0
Not Designated as Hedging Instrument | Risk Participation Agreement | RPAs - protection purchased
Derivatives, Fair Value [Line Items]
Derivative, notional amount	9,965		10,009
Derivative assets, fair value	0		0
Derivative liabilities, fair value	$ 3		$ 130

Derivatives, Hedging Activiti_4

Derivatives, Hedging Activities and Balance Sheet Offsetting - Schedule of Impacts on Statements (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in AOCI on Derivative	$ (888)	$ 0
Amount of Gain (Loss) Reclassified from AOCI into Income	5	0
Designated as Hedging Instrument | Interest Rate Swap | Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in AOCI on Derivative	(888)	0
Designated as Hedging Instrument | Interest Rate Swap | Interest Income | Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from AOCI into income	0	0
Designated as Hedging Instrument | Interest Rate Swap | Interest Income | Fair value hedges
Derivative Instruments, Gain (Loss) [Line Items]
Total amounts of income and expense line items presented in the consolidated statements of income in which the effects of fair value or cash flow hedges are recorded	(47)	(1)
Change in fair value of hedged items	1,750	304
Change in fair value of derivative instruments	(1,797)	(305)
Designated as Hedging Instrument | Interest Rate Swap | Interest Expense | Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from AOCI into Income	5	0
Amount reclassified from AOCI into income	(5)	0
Designated as Hedging Instrument | Interest Rate Swap | Interest Expense | Fair value hedges
Derivative Instruments, Gain (Loss) [Line Items]
Total amounts of income and expense line items presented in the consolidated statements of income in which the effects of fair value or cash flow hedges are recorded	(5)	0
Change in fair value of hedged items	0	0
Change in fair value of derivative instruments	$ 0	$ 0

Derivatives, Hedging Activiti_5

Derivatives, Hedging Activities and Balance Sheet Offsetting - Hedged Items in Fair Value Hedging Relationship (Details) - Interest Rate Swap - Designated as Hedging Instrument - Fair value hedges $ in Thousands	Mar. 31, 2020USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Carrying Amount of the Hedged Assets	$ 19,493
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Asset	$ 2,861

Derivatives, Hedging Activiti_6

Derivatives, Hedging Activities and Balance Sheet Offsetting - Schedule of Other Derivatives Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging, gain (loss)	$ 244	$ (39)
Interest Rate Swap | Other income
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging, gain (loss)	141	(22)
Risk Participation Agreement | Other income
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives not designated as hedging, gain (loss)	$ 103	$ (17)

Derivatives, Hedging Activiti_7

Derivatives, Hedging Activities and Balance Sheet Offsetting - Offsetting Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Asset Derivatives
Gross amount of recognized assets	$ 12,500	$ 1,848
Gross amount offset in the balance sheet	0	0
Net amount of assets presented in the balance sheet	12,500	1,848
Financial instruments	0	0
Cash collateral received	0	0
Net Assets (Liabilities)	12,500	1,848
Liability Derivatives
Gross amount of recognized liabilities	(16,305)	(3,242)
Gross amount offset in the balance sheet	0	0
Net amount of liabilities presented in the balance sheet	(16,305)	(3,242)
Financial instruments	0	0
Cash collateral paid	(16,305)	(3,242)
Net Assets (Liabilities)	$ 0	$ 0

Derivatives, Hedging Activiti_8

Derivatives, Hedging Activities and Balance Sheet Offsetting - Additional Information (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Feb. 29, 2020	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Fair value of derivatives in a net liability position, including accrued interest	$ 16,400
Collateral posted	16,305		$ 3,242
Assets needed for immediate settlement, aggregate fair value	16,400
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest rate swap contracts, interest income to be reclassified in next 12 months	298
Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	46,625		16,734
Interest Rate Swap | Cash flow hedges | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	$ 30,000	$ 30,000	$ 0

Goodwill and Intangible Asset_2

Goodwill and Intangible Assets - Goodwill and Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020USD ($)
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 91,918
Fair value adjustment	2,059
Total goodwill, end of period	$ 93,977

Goodwill and Intangible Asset_3

Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Indefinite-lived trade name intangible	$ 7,040	$ 7,040
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	49,710	49,710
Accumulated Amortization	(26,560)	(24,532)
Net Carrying Amount	23,150	25,178
Core deposit intangible
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	41,745	41,745
Accumulated Amortization	(22,558)	(21,032)
Net Carrying Amount	19,187	20,713
Customer relationship intangible
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,265	5,265
Accumulated Amortization	(1,661)	(1,195)
Net Carrying Amount	3,604	4,070
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,700	2,700
Accumulated Amortization	(2,341)	(2,305)
Net Carrying Amount	$ 359	$ 395

Goodwill and Intangible Asset_4

Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2020	$ 4,947
2021	5,358
2022	4,363
2023	3,402
2024	2,443
Thereafter	2,637
Net Carrying Amount	23,150	$ 25,178
Core deposit intangible
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2020	3,881
2021	4,190
2022	3,487
2023	2,833
2024	2,180
Thereafter	2,616
Net Carrying Amount	19,187	20,713
Customer relationship intangible
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2020	969
2021	1,062
2022	797
2023	518
2024	239
Thereafter	19
Net Carrying Amount	3,604	4,070
Other
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2020	97
2021	106
2022	79
2023	51
2024	24
Thereafter	2
Net Carrying Amount	$ 359	$ 395

Other Assets (Details)

Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Assets [Abstract]
Bank-owned life insurance	$ 82,146	$ 81,625
Interest receivable	17,029	18,525
FHLB stock	13,773	15,381
Mortgage servicing rights	6,579	7,026
Operating lease ROU assets, net	4,237	4,499
Federal & state taxes, current	0	2,318
Federal & state taxes, deferred	8,532	3,530
Derivative assets	12,500	1,848
Other receivables/assets	12,656	13,208
Other assets	$ 157,452	$ 147,960

Deposits (Details)

Deposits (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Deposits [Abstract]
Noninterest bearing deposits	$ 637,127	$ 662,209
Interest checking deposits	995,762	962,830
Money market deposits	793,482	763,028
Savings	404,100	387,142
Certificates of deposit under $250,000	688,409	682,232
Certificates of deposit of $250,000 or more	340,964	271,214
Total deposits	3,859,844	3,728,655
Domestic time deposit, brokered	5,000	6,600
Domestic non-time deposit, brokered	11,400	10,100
Deposits of government entities	$ 114,600	$ 96,600

Short-Term Borrowings (Details)

Short-Term Borrowings (Details) - USD ($)	Apr. 30, 2015	Mar. 31, 2020	Dec. 31, 2019
Short-term Debt [Line Items]
Weighted Average Rate		0.90%	1.17%
Short-term borrowings		$ 129,489,000	$ 139,349,000
Pledged securities		$ 334,700,000	$ 264,800,000
Securities sold under agreements to repurchase
Short-term Debt [Line Items]
Weighted Average Rate		0.90%	1.06%
Short-term borrowings		$ 129,489,000	$ 117,249,000
Federal Home Loan Bank advances
Short-term Debt [Line Items]
Weighted Average Rate		0.00%	1.73%
Short-term borrowings		$ 0	$ 22,100,000
Federal funds purchased
Short-term Debt [Line Items]
Short-term borrowings		0	0
Unsercured line of credit, maximum borrowing capacity		170,000,000
Federal Reserve Bank advances
Short-term Debt [Line Items]
Short-term borrowings		0	0
Financing capacity		61,500,000	12,700,000
Pledged securities		68,300,000	13,000,000
Line of credit
Short-term Debt [Line Items]
Short-term borrowings		0	$ 0
Unsercured line of credit, maximum borrowing capacity	$ 5,000,000	$ 10,000,000
Line of credit | LIBOR
Short-term Debt [Line Items]
Debt instrument, basis spread on variable rate	2.00%	1.75%

Long-Term Debt - Junior Subordi

Long-Term Debt - Junior Subordinated Notes (Details) - Junior subordinated notes - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Debt instrument, face amount	$ 44,847	$ 44,847
Debt instrument, book value	41,631	41,587
ATBancorp Statutory Trust I
Debt Instrument [Line Items]
Debt instrument, face amount	7,732	7,732
Debt instrument, book value	$ 6,823	$ 6,814
Interest rate	2.42%	3.57%
ATBancorp Statutory Trust I | LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.68%
ATBancorp Statutory Trust II
Debt Instrument [Line Items]
Debt instrument, face amount	$ 12,372	$ 12,372
Debt instrument, book value	$ 10,808	$ 10,794
Interest rate	2.39%	3.54%
ATBancorp Statutory Trust II | LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.65%
Central Bancshares Capital Trust II
Debt Instrument [Line Items]
Debt instrument, face amount	$ 7,217	$ 7,217
Debt instrument, book value	$ 6,795	$ 6,783
Interest rate	4.24%	5.39%
Central Bancshares Capital Trust II | LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	3.50%
Barron Investment Capital Trust I
Debt Instrument [Line Items]
Debt instrument, face amount	$ 2,062	$ 2,062
Debt instrument, book value	$ 1,741	$ 1,732
Interest rate	3.35%	4.08%
Barron Investment Capital Trust I | LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.15%
MidWestOne Statutory Trust II
Debt Instrument [Line Items]
Debt instrument, face amount	$ 15,464	$ 15,464
Debt instrument, book value	$ 15,464	$ 15,464
Interest rate	2.33%	3.48%
MidWestOne Statutory Trust II | LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.59%

Long-Term Debt - Subordinated D

Long-Term Debt - Subordinated Debentures (Details) - Subordinated Debt - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	May 01, 2019
Debt Instrument [Line Items]
Debt instrument, face amount		$ 10.9
Interest rate	6.50%
Percentage of debentures, decrease to Tier 2 treatment, per year	20.00%
Decrease to Tier 2 treatment, period of recognition	5 years
Percentage of debentures, measured as Tier 2	60.00%

Long-Term Debt - Other Long-Ter

Long-Term Debt - Other Long-Term Debt (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Apr. 30, 2019	Apr. 30, 2015
Finance lease payable
Debt Instrument [Line Items]
Weighted Average Rate	8.89%	8.89%
Balance	$ 1,194	$ 1,224
FHLB borrowings
Debt Instrument [Line Items]
Weighted Average Rate	2.30%	2.25%
Balance	$ 125,673	$ 145,700
Federal Home Loan, Bank advances general debt obligations, disclosures maximum borrowing capacity as percentage of total assets	45.00%
Notes payable to unaffiliated bank
Debt Instrument [Line Items]
Weighted Average Rate	3.11%	3.44%
Balance	$ 30,482	$ 32,250
Notes payable to unaffiliated bank | Unsecured Note Payable, Entered April 2015
Debt Instrument [Line Items]
Balance	1,600
Original note face amount				$ 35,000
Notes payable to unaffiliated bank | Unsecured Note Payable, Entered April 2019
Debt Instrument [Line Items]
Balance	$ 28,900
Original note face amount			$ 35,000
Other long-term debt
Debt Instrument [Line Items]
Weighted Average Rate	2.51%	2.51%
Balance	$ 157,349	$ 179,174

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Amount
Income tax based on statutory rate	$ (876)	$ 1,927
Tax-exempt interest	(643)	(468)
Bank-owned life insurance	(109)	(82)
State income taxes, net of federal income tax benefit	(191)	487
Non-deductible acquisition expenses	0	26
General business credits	(383)	(14)
Other	4	14
Total income tax expense (benefit)	$ (2,198)	$ 1,890
% of Pretax Income
Income tax based on statutory rate	21.00%	21.00%
Tax-exempt interest	15.40%	(5.10%)
Bank-owned life insurance	2.60%	(0.90%)
State income taxes, net of federal income tax benefit	4.60%	5.30%
Non-deductible acquisition expenses	0.00%	0.30%
General business credits	9.20%	(0.20%)
Other	0.00%	0.20%
Total income tax expense (benefit)	52.80%	20.60%

Earnings per Share (Details)

Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net (loss) income	$ (1,975)	$ 7,285
Weighted average shares outstanding (in shares)	16,141,500	12,164,360
Basic earnings per common share (in dollars per share)	$ (0.12)	$ 0.60
Weighted average shares outstanding, including all dilutive potential shares (in shares)	16,141,500	12,176,757
Diluted earnings per common share (in dollars per share)	$ (0.12)	$ 0.60
Antidilutive shares (in shares)	18,042,000

Regulatory Capital Requiremen_3

Regulatory Capital Requirements and Restrictions on Subsidiary Cash (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital	$ 478,203	$ 463,601
Capital to risk weighted assets	11.48%	11.34%
Capital required for capital adequacy	$ 437,295	$ 429,077
Capital required for capital adequacy to risk weighted assets	10.50%	10.50%
Tier one risk based capital	$ 427,059	$ 428,021
Tier one risk based capital to risk weighted assets	10.25%	10.47%
Tier one risk based capital required for capital adequacy	$ 354,000	$ 347,348
Tier one risk based capital required for capital adequacy to risk weighted assets	8.50%	8.50%
Common equity tier one capital	$ 385,428	$ 386,434
Common equity tier one capital to risk weighted assets	9.25%	9.46%
Common equity tier one capital required for capital adequacy	$ 291,530	$ 286,051
Common equity tier one capital required for capital adequacy to risk weighted assets	7.00%	7.00%
Tier one leverage capital	$ 427,059	$ 428,021
Tier one leverage capital to average assets	9.39%	9.48%
Tier one leverage capital required for capital adequacy	$ 181,950	$ 180,529
Tier one leverage capital required for capital adequacy to average assets	4.00%	4.00%
Capital conservation buffer	0.0250	0.0250
Cash reserve deposit required and made	$ 0	$ 24,100
MidWestOne Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital	$ 500,343	$ 482,106
Capital to risk weighted assets	12.03%	11.83%
Capital required for capital adequacy	$ 436,868	$ 427,877
Capital required for capital adequacy to risk weighted assets	10.50%	10.50%
Capital required to be well capitalized	$ 416,065	$ 407,502
Capital required to be well capitalized to risk weighted assets	10.00%	10.00%
Tier one risk based capital	$ 455,700	$ 453,027
Tier one risk based capital to risk weighted assets	10.95%	11.12%
Tier one risk based capital required for capital adequacy	$ 353,655	$ 346,377
Tier one risk based capital required for capital adequacy to risk weighted assets	8.50%	8.50%
Tier one risk based capital required to be well capitalized	$ 332,852	$ 326,002
Tier one risk based capital required to be well capitalized to risk weighted assets	8.00%	8.00%
Common equity tier one capital	$ 455,700	$ 453,027
Common equity tier one capital to risk weighted assets	10.95%	11.12%
Common equity tier one capital required for capital adequacy	$ 291,246	$ 285,251
Common equity tier one capital required for capital adequacy to risk weighted assets	7.00%	7.00%
Common equity tier one risk based capital required to be well capitalized	$ 270,442	$ 264,876
Common equity tier one risk based capital required to be well capitalized to risk weighted assets	6.50%	6.50%
Tier one leverage capital	$ 455,700	$ 453,027
Tier one leverage capital to average assets	10.03%	10.06%
Tier one leverage capital required for capital adequacy	$ 181,680	$ 180,209
Tier one leverage capital required for capital adequacy to average assets	4.00%	4.00%
Tier one leverage capital required to be well capitalized	$ 227,099	$ 231,166
Tier one leverage capital required to be well capitalized to average assets	5.00%	5.00%

Commitments and Contingencies -

Commitments and Contingencies - Schedule of Commitments (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Commitments [Line Items]
Other commitment	$ 884,575	$ 900,804
Commitments to sell loans
Other Commitments [Line Items]
Other commitment	9,483	5,400
Commitments to extend credit
Other Commitments [Line Items]
Other commitment	840,090	859,212
Standby letters of credit
Other Commitments [Line Items]
Other commitment	$ 35,002	$ 36,192

Commitments and Contingencies_2

Commitments and Contingencies - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Concentration Risk [Line Items]
Liability for off-balance sheet credit exposures	$ 5,800,000	$ 0	$ 0
Credit loss expense, off balance sheet credit exposure	$ 2,400,000
Credit Concentration Risk | Loans Concentration | Commercial real estate
Concentration Risk [Line Items]
Concentration risk, percentage	68.00%
Credit Concentration Risk | Loans Concentration | Agricultural Related Loan Financing Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	9.00%
State and political subdivisions | IOWA | Credit Concentration Risk | Investment Securities
Concentration Risk [Line Items]
Concentration risk, percentage	45.00%
State and political subdivisions | MINNESOTA | Credit Concentration Risk | Investment Securities
Concentration Risk [Line Items]
Concentration risk, percentage	23.00%

Fair Value of Financial Instr_3

Fair Value of Financial Instruments and Fair Value Measurements - Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	$ 881,859	$ 785,977
Derivative assets	12,500	1,848
U.S. Government agencies and corporations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	431	441
State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	286,377	257,205
Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	42,601	43,530
Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	245,590	191,855
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative assets	12,500	1,848
Derivative liabilities	16,305	3,242
Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative assets	12,500	1,848
Derivative liabilities	16,305	3,242
Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative assets	0	0
Derivative liabilities	0	0
Recurring | U.S. Government agencies and corporations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	431	441
Recurring | U.S. Government agencies and corporations | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | U.S. Government agencies and corporations | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	431	441
Recurring | U.S. Government agencies and corporations | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | State and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	286,377	257,205
Recurring | State and political subdivisions | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | State and political subdivisions | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	286,377	257,205
Recurring | State and political subdivisions | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	42,601	43,530
Recurring | Mortgage-backed securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | Mortgage-backed securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	42,601	43,530
Recurring | Mortgage-backed securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | Collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	306,860	292,946
Recurring | Collateralized mortgage obligations | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | Collateralized mortgage obligations | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	306,860	292,946
Recurring | Collateralized mortgage obligations | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	245,590	191,855
Recurring | Corporate debt securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		0
Recurring | Corporate debt securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale	$ 245,590	191,855
Recurring | Corporate debt securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt securities available for sale		$ 0

Fair Value of Financial Instr_4

Fair Value of Financial Instruments and Fair Value Measurements - Measured on a Nonrecurring Basis (Details) $ in Thousands	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreclosed assets, net	$ 968	$ 3,706
Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Collateral dependent impaired loans	6,223	6,749
Foreclosed assets, net	$ 968	$ 3,706
Nonrecurring | Collateral dependent impaired loans | Level 3 | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0
Nonrecurring | Collateral dependent impaired loans | Level 3 | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.75
Nonrecurring | Collateral dependent impaired loans | Level 3 | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.28
Nonrecurring | Foreclosed assets, net | Level 3 | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.05
Nonrecurring | Foreclosed assets, net | Level 3 | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.46
Nonrecurring | Foreclosed assets, net | Level 3 | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.23

Fair Value of Financial Instr_5

Fair Value of Financial Instruments and Fair Value Measurements - Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financial Assets
Debt securities available for sale	$ 881,859	$ 785,977
Interest receivable	17,029	18,525
FHLB stock	13,773	15,381
Derivative assets	12,500	1,848
Financial Liabilities
Interest-bearing deposits	995,762	962,830
Short-term borrowings	129,489	139,349
Finance leases payable	1,194	1,225
Carrying Amount
Financial Assets
Cash and cash equivalents	125,545	73,484
Debt securities available for sale	881,859	785,977
Loans held for sale	9,483	5,400
Loans held for investment, net	3,374,575	3,422,187
Interest receivable	17,029	18,525
FHLB stock	13,773
Derivative assets	12,500	1,848
Financial Liabilities
Non-interest-bearing demand	637,127	662,209
Interest-bearing deposits	3,222,717	3,066,446
Short-term borrowings	129,489	139,349
Finance leases payable	1,194	1,224
Federal Home Loan Bank borrowings	125,673	145,700
Junior subordinated notes issued to capital trusts	41,631	41,587
Subordinated debentures	10,894	10,899
Other long-term debt	30,482	32,250
Derivative liabilities	16,305	3,242
Estimated Fair Value
Financial Assets
Cash and cash equivalents	125,545	73,484
Debt securities available for sale	881,859	785,977
Loans held for sale	9,646	5,476
Loans held for investment, net	3,414,068	3,427,952
Interest receivable	17,029	18,525
FHLB stock	13,773	15,381
Derivative assets	12,500	1,848
Financial Liabilities
Non-interest-bearing demand	637,127	662,209
Interest-bearing deposits	3,231,800	3,066,427
Short-term borrowings	129,489	139,349
Finance leases payable	1,194	1,224
Federal Home Loan Bank borrowings	129,372	146,913
Junior subordinated notes issued to capital trusts	34,655	39,391
Subordinated debentures	11,066	11,083
Other long-term debt	30,482	32,250
Derivative liabilities	16,305	3,242
Level 1 | Estimated Fair Value
Financial Assets
Cash and cash equivalents	125,545	73,484
Debt securities available for sale	0	0
Interest receivable	0	0
FHLB stock	0	0
Derivative assets	0	0
Financial Liabilities
Non-interest-bearing demand	637,127	662,209
Interest-bearing deposits	2,193,344	2,113,000
Short-term borrowings	129,489	139,349
Finance leases payable	0	0
Federal Home Loan Bank borrowings	0	0
Junior subordinated notes issued to capital trusts	0	0
Subordinated debentures	0	0
Other long-term debt	0	0
Derivative liabilities	0	0
Level 2 | Estimated Fair Value
Financial Assets
Debt securities available for sale	881,859	785,977
Loans held for sale	9,646	5,476
Interest receivable	17,029	18,525
FHLB stock	13,773	15,381
Derivative assets	12,500	1,848
Financial Liabilities
Interest-bearing deposits	1,038,456	953,427
Finance leases payable	1,194	1,224
Federal Home Loan Bank borrowings	129,372	146,913
Junior subordinated notes issued to capital trusts	34,655	39,391
Subordinated debentures	11,066	11,083
Other long-term debt	30,482	32,250
Derivative liabilities	16,305	3,242
Level 3 | Estimated Fair Value
Financial Assets
Loans held for sale	0	0
Loans held for investment, net	3,414,068	3,427,952
Derivative assets	0	0
Financial Liabilities
Finance leases payable	0	0
Subordinated debentures	0	0
Other long-term debt	0	0
Derivative liabilities	$ 0	$ 0

Leases - Assets and Liabilities

Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Lease Right-of-Use Assets
Operating lease right-of-use assets	$ 4,237	$ 4,499
Finance lease right-of-use asset	613	637
Total right-of-use assets	4,850	5,136
Lease Liabilities
Operating lease liability	5,202	5,430
Finance lease liability	1,194	1,225
Total lease liabilities	$ 6,396	$ 6,655
Weighted-average remaining lease term
Operating leases	8 years 10 months 17 days	8 years 10 months 24 days
Finance lease	6 years 5 months 1 day	6 years 8 months 1 day
Weighted-average discount rate
Operating leases	3.80%	3.78%
Finance lease	8.89%	8.89%

Leases - Lease Cost (Details)

Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating lease cost	$ 319	$ 193
Variable lease cost	39	35
Short-term lease cost	0	1
Interest on lease liabilities	26	29
Amortization of right-of-use assets	24	24
Net lease cost	408	282
Operating cash flows from operating leases	503	359
Operating cash flows from finance lease	27	29
Finance cash flows from finance lease	31	27
Right-of-use assets obtained in exchange for new operating lease liabilities	0	0
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 0	$ 0

Leases - Maturity Schedule (Det

Leases - Maturity Schedule (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Finance Leases
Remainder of fiscal year	$ 173
2021	235
2022	240
2023	245
2024	250
Thereafter	426
Total future minimum lease payments	1,569
Amounts representing interest	(375)
Finance lease liability	1,194	$ 1,225
Operating Leases
Remainder of fiscal year	843
2021	1,074
2022	973
2023	912
2024	682
Thereafter	2,131
Total future minimum lease payments	6,615
Amounts representing interest	(1,413)
Operating lease liability	$ 5,202	$ 5,430

Subsequent Events (Details)

Subsequent Events (Details) $ / shares in Units, $ in Thousands	May 04, 2020USD ($)contract	Apr. 29, 2020$ / shares	Mar. 31, 2020USD ($)	Dec. 31, 2019USD ($)
Subsequent Event
Loans, gross			$ 3,425,762	$ 3,451,266
Subsequent Event | PPP loans
Subsequent Event
Loans closed or approved | contract	2,327
Loans, gross	$ 334,500
Subsequent Event | Common Stock
Subsequent Event
Dividends payable (in dollars per share) | $ / shares		$ 0.22

Uncategorized Items - mofg-2020

Label	Element	Value
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (5,362,000)	[1]
Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(5,362,000)	[1]
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability	us-gaap_OperatingLeaseLiability	2,892,000
Operating Lease, Right-of-Use Asset	us-gaap_OperatingLeaseRightOfUseAsset	$ 2,892,000
[1]	Reclassification pursuant to adoption of ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. See Note 2. Effect of New Financial Accounting S tandar d s for additional information.