Mercantile Bank (MBWM) 10-K 1 Mar 24 2023 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 29, 2024	Jun. 30, 2023
Document Information [Line Items]
Entity Central Index Key	0001042729
Entity Registrant Name	MERCANTILE BANK CORPORATION
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	000-26719
Entity Incorporation, State or Country Code	MI
Entity Tax Identification Number	38-3360865
Entity Address, Address Line One	310 Leonard Street NW
Entity Address, City or Town	Grand Rapids
Entity Address, State or Province	MI
Entity Address, Postal Zip Code	49504
City Area Code	616
Local Phone Number	406-3000
Title of 12(b) Security	Common Stock
Trading Symbol	MBWM
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 428,000,000
Entity Common Stock, Shares Outstanding		16,116,622
Auditor Firm ID	6581
Auditor Name	PLANTE & MORAN, PLLC
Auditor Location	GRAND RAPIDS, MICHIGAN

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Cash and due from banks	$ 70,408	$ 61,894
Other interest-earning assets	60,125	34,878
Total cash and cash equivalents	130,533	96,772
Securities available for sale	617,092	602,936
Federal Home Loan Bank stock	21,513	17,721
Mortgage loans held for sale	18,607	3,565
Loans	4,303,758	3,916,619
Allowance for credit losses	(49,914)	(42,246)
Loans, net	4,253,844	3,874,373
Premises and equipment, net	50,928	51,476
Bank owned life insurance	85,668	80,727
Goodwill	49,473	49,473
Other assets	125,566	95,576
Total assets	5,353,224	4,872,619
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing	1,247,640	1,604,750
Interest-bearing	2,653,278	2,108,061
Total deposits	3,900,918	3,712,811
Securities sold under agreements to repurchase	229,734	194,340
Federal Home Loan Bank advances	467,910	308,263
Subordinated debentures	49,644	48,958
Subordinated notes	88,971	88,628
Accrued interest and other liabilities	93,902	78,211
Total liabilities	4,831,079	4,431,211
Commitments and contingent liabilities (Note 12)
Shareholders' equity
Preferred stock, no par value; 1,000,000 shares authorized; 0 shares outstanding at December 31, 2023 and December 31, 2022	0	0
Common stock, no par value; 40,000,000 shares authorized; 16,125,662 shares outstanding at December 31, 2023 and 15,994,884 shares outstanding at December 31, 2022	295,106	290,436
Retained earnings	277,526	216,313
Accumulated other comprehensive gain/(loss)	(50,487)	(65,341)
Total shareholders’ equity	522,145	441,408
Total liabilities and shareholders’ equity	$ 5,353,224	$ 4,872,619

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - $ / shares $ / shares in Thousands	Dec. 31, 2023	Dec. 31, 2022
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares outstanding (in shares)	16,125,662	15,994,884

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Interest income
Loans, including fees	$ 253,108	$ 166,848	$ 135,048
Securities, taxable	9,041	7,603	5,127
Securities, tax-exempt	3,663	2,734	2,386
Other interest-earning assets	5,546	4,654	933
Total interest income	271,358	181,839	143,494
Interest expense
Deposits	55,444	10,037	9,114
Short-term borrowings	2,847	294	170
Federal Home Loan Bank advances	11,367	7,125	8,177
Subordinated debentures and other borrowings	8,155	6,139	1,971
Total interest expense	77,813	23,595	19,432
Net interest income	193,545	158,244	124,062
Provision (benefit) for credit losses	7,700	6,550	(4,300)
Net interest income after provision for credit losses	185,845	151,694	128,362
Noninterest income:
Mortgage banking activities	7,595	8,664	29,959
Interest rate swap program fees	3,946	3,488	6,862
Payroll processing	2,509	2,178	1,815
Earnings on bank owned life insurance	1,500	1,678	1,164
Gain on sale of branch	0	0	1,058
Other income	2,725	1,901	2,768
Total noninterest income	32,143	32,077	56,220
Noninterest expense
Salaries and benefits	68,801	65,124	66,447
Occupancy	9,150	8,362	8,088
Furniture and equipment rent, depreciation and maintenance	3,464	3,614	3,654
Data processing	11,618	12,359	11,104
Advertising	1,565	1,445	1,175
FDIC insurance costs	2,258	1,239	1,820
Charitable foundation contributions	666	1,514	4,020
Other expense	17,767	14,324	14,558
Total noninterest expense	115,289	107,981	110,866
Income before federal income tax expense	102,699	75,790	73,716
Federal income tax expense	20,482	14,727	14,695
Net income	$ 82,217	$ 61,063	$ 59,021
Earnings per common share:
Basic (in dollars per share)	$ 5.13	$ 3.85	$ 3.69
Diluted (in dollars per share)	$ 5.13	$ 3.85	$ 3.69
Service Charges on Deposit and Sweep Accounts [Member]
Noninterest income:
Noninterest revenue	$ 4,954	$ 5,952	$ 5,078
Credit and Debit Card [Member]
Noninterest income:
Noninterest revenue	$ 8,914	$ 8,216	$ 7,516

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net income	$ 82,217	$ 61,063	$ 59,021
Unrealized holding gains (losses) on securities available for sale	18,804	(77,990)	(11,664)
Total other comprehensive income (loss)	18,804	(77,990)	(11,664)
Tax effect of unrealized holding gains (losses) on securities available for sale	(3,950)	16,378	2,449
Total tax effect of other comprehensive income (loss)	(3,950)	16,378	2,449
Other comprehensive income (loss), net of tax effect	14,854	(61,612)	(9,215)
Comprehensive income (loss)	$ 97,071	$ (549)	$ 49,806

Consolidated Statements of Chan

Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock [Member]	Common Stock Including Additional Paid in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances at Dec. 31, 2020			$ 0	$ 302,029	$ 134,039	$ 5,486	$ 441,554
Employee stock purchase plan				48			48
Dividend reinvestment plan				877			877
Stock option exercises				50			50
Stock grants to directors for retainer fees				344			344
Stock-based compensation expense				3,784			3,784
Share repurchase program				(21,380)			(21,380)
Cash dividends					(18,524)		(18,524)
Net income					59,021		59,021
Change in net unrealized gain/(loss) on securities available for sale, net of tax effect						(9,215)	(9,215)
Balances (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2021	$ 316	$ 316
Balances at Dec. 31, 2021			0	285,752	174,536	(3,729)	456,559
Employee stock purchase plan				45			45
Dividend reinvestment plan				867			867
Stock option exercises				36			36
Stock grants to directors for retainer fees				359			359
Stock-based compensation expense				3,377			3,377
Cash dividends					(19,602)		(19,602)
Net income					61,063		61,063
Change in net unrealized gain/(loss) on securities available for sale, net of tax effect						(61,612)	(61,612)
Balances at Dec. 31, 2022			0	290,436	216,313	(65,341)	441,408
Employee stock purchase plan				45			45
Dividend reinvestment plan				891			891
Stock grants to directors for retainer fees				350			350
Stock-based compensation expense				3,384			3,384
Cash dividends					(21,004)		(21,004)
Net income					82,217		82,217
Change in net unrealized gain/(loss) on securities available for sale, net of tax effect						14,854	14,854
Balances at Dec. 31, 2023			$ 0	$ 295,106	$ 277,526	$ (50,487)	$ 522,145

Consolidated Statements of Ch_2

Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Employee stock purchase plan (in shares)	1,410	1,388	1,481
Dividend reinvestment plan (in shares)	27,306	25,941	27,562
Stock option exercises (in shares)		1,355	2,000
Stock grants to directors for retainer fees (in shares)	11,529	11,166	10,489
Share repurchase program (in shares)			683,191
Cash dividends per common share (in dollars per share)	$ 1.34	$ 1.26	$ 1.18

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income	$ 82,217	$ 61,063	$ 59,021
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	11,496	12,945	13,678
Accretion of acquired loans	0	0	(135)
Provision (benefit) for credit losses	7,700	6,550	(4,300)
Deferred income tax expense (benefit)	(2,036)	(1,353)	2,020
Stock-based compensation expense	3,384	3,377	3,784
Stock grants to directors for retainer fee	350	359	344
Proceeds from sales of mortgage loans held for sale	196,217	237,779	686,418
Origination of mortgage loans held for sale	(204,727)	(217,030)	(649,245)
Net gain on sales of mortgage loans held for sale	(6,532)	(8,197)	(30,402)
Net gain from sales and valuation write-downs of foreclosed assets	(419)	(69)	(78)
Net (gain) loss from sale and write-downs on former bank premises	2	275	(140)
Net (gain) loss from sales and disposals of premises and equipment	471	(36)	246
Earnings on bank owned life insurance	(1,500)	(1,678)	(1,164)
Gain on sale of branch	0	0	(1,058)
Net (gain) loss on instruments designated at fair value and related derivatives	257	(45)	224
Net change in:
Accrued interest receivable	(4,330)	(6,165)	1,528
Other assets	(30,189)	(437)	(12,655)
Accrued interest and other liabilities	14,252	32,524	(3,513)
Net cash from operating activities	66,613	119,862	64,573
Cash flows from investing activities
Purchases of securities available for sale	(19,941)	(107,011)	(298,708)
Proceeds from maturities, calls and repayments of securities available for sale	24,142	17,984	80,432
Loan originations and payments, net	(387,283)	(462,427)	(267,899)
Proceeds from Federal Home Loan Bank stock redemption	0	281	0
Purchases of Federal Home Loan Bank stock	(3,792)	0	0
Purchases of bank owned life insurance	(3,500)	(4,500)	(2,000)
Proceeds from bank owned life insurance death benefits claim	0	628	0
Net cash transferred in branch sale	0	0	(2,679)
Purchases of premises and equipment and lease activity	(6,687)	(3,017)	(5,602)
Proceeds from sales of former bank premises	598	2,994	753
Proceeds from sales of foreclosed assets	531	69	196
Net cash for investing activities	(395,932)	(554,999)	(495,507)
Cash flows from financing activities
Net (decrease) increase in time deposits	422,781	(57,189)	(120,512)
Net (decrease) increase in all other deposits	(234,674)	(313,193)	806,796
Net (decrease) increase in securities sold under agreements to repurchase	35,394	(3,123)	79,098
Proceeds from Federal Home Loan Bank advances	240,000	28,263	0
Maturities of Federal Home Loan Bank advances	(80,353)	(94,000)	(20,000)
Net proceeds from subordinated notes issuance	0	14,645	73,635
Proceeds from stock option exercises, net of cashless exercises	0	36	50
Employee stock purchase plan	45	45	48
Dividend reinvestment plan	891	867	877
Repurchases of common stock	0	0	(21,380)
Payment of cash dividends to common shareholders	(21,004)	(19,602)	(18,524)
Net cash (for) from financing activities	363,080	(443,251)	780,088
Net change in cash and cash equivalents	33,761	(878,388)	349,154
Cash and cash equivalents at beginning of period	96,772	975,160	626,006
Cash and cash equivalents at end of period	130,533	96,772	975,160
Supplemental disclosures of cash flows information
Interest	72,024	21,765	20,352
Federal income taxes	24,850	11,200	17,550
Noncash financing and investing activities:
Transfers from loans to foreclosed assets	112	0	30
Transfers from bank premises to other real estate owned	800	0	0
Transfers from premises and equipment to other assets	$ 0	$ 2,847	$ 0

Insider Trading Arrangements

Insider Trading Arrangements	12 Months Ended
	Dec. 31, 2023
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]	Item 9B. Other Information. None
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false
Rule 10b5-1 Arrangement Adopted [Flag]	false

Note 1 - Summary of Significant

Note 1 - Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Significant Accounting Policies [Text Block]	1 Principles of Consolidation Mercantile has five separate business trusts: Mercantile Bank Capital Trust I, Firstbank Capital Trust I, Firstbank Capital Trust II, Firstbank Capital Trust III and Firstbank Capital Trust IV (“our trusts”). Our trusts were formed to issue trust preferred securities. We issued subordinated debentures to our trusts in return for the proceeds raised from the issuance of the trust preferred securities. Our trusts are not Nature of Operations July 15, 1997 December 15, 1997. June 1, 2014. Mercantile is a financial holding company whose principal activity is the ownership and management of our bank and operates a single significant business segment. Our bank is a community-based financial institution. Our bank’s primary deposit products are checking, savings, and term certificate accounts, and its primary lending products are commercial loans, residential mortgage loans, and instalment loans. Substantially all loans are secured by specific items of collateral including business assets, real estate or consumer assets. Commercial loans are expected to be repaid from cash flow from operations of businesses. Real estate loans are secured by commercial or residential real estate. We have no one Our insurance company acquired an existing shelf insurance agency effective April 15, 2002. not no We have evaluated subsequent events for potential recognition and/or disclosure through the date these financial statements were issued. Use of Estimates Coronavirus Pandemic: 2019 19” 2 March, 2020. March, 2022. 2021 2022 The Paycheck Protection Program (“PPP”) reflected a substantial expansion of the Small Business Administration’s 100% 7 100% 100% 1.00%, August 8, 2020. December 31, 2023 four 2021 $284 May 31, 2021. December 31, 2023 Cash and Cash Equivalents and Cash Flow Reporting 90 Debt Securities first not not not Changes in the allowance are recorded as provisions for (or reversal of) credit loss expense. Losses are charged against the allowance when the collectability of an available for sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. At December 31, 2023 no Interest income includes amortization of purchase premiums and accretion of discounts. Premiums and discounts on securities are amortized or accreted on the level-yield method without anticipating prepayments, except for mortgage-backed securities where prepayments are anticipated. Gains and losses on sales are recorded on the trade date and determined using the specific identification method. Accrued interest receivable on available for sale debt securities totaling $2.6 million and $2.5 million at December 31, 2023 2022, Federal Home Loan Bank Stock may Loans Interest income is accrued on the unpaid principal balance. Loan origination fees, net of certain direct origination costs, are deferred and recognized in interest income using the level-yield method without anticipating prepayments. Net unamortized deferred loan costs amounted to $2.4 million and $1.0 million at December 31, 2023 2022, Interest income on commercial loans and mortgage loans is discontinued at the time the loan is 90 days delinquent unless the loan is well-secured and in process of collection. Consumer and credit card loans are typically charged off no not Commercial Loan Participations no no December 31, 2023 2022 Loans Held for Sale Year-end mortgage loans held for sale were as follows: (Dollars in thousands) 2023 2022 Mortgage loans held for sale $ 18,607 $ 3,565 Less: Allowance to adjust to lower of cost or market 0 0 Mortgage loans held for sale, net $ 18,607 $ 3,565 Mortgage Loan Derivatives not December 31, 2023 December 31, 2022. Mortgage Banking Activities Servicing fee income is recorded for fees earned for servicing mortgage loans. The fees are based on a contractual percentage of the outstanding principal or a fixed amount per loan and are recorded as income when earned. Amortization of mortgage loan servicing rights is netted against mortgage loan servicing income and recorded in mortgage banking activities in the Consolidated Statements of Income. Accounting for mortgage servicing rights is based on the class of mortgage servicing rights. We have identified four 10 15 20 30 Interest rate risk, prepayment risk and default risk are inherent in mortgage servicing rights valuation. Interest rate changes largely drive prepayment rates. Refinance activity generally increases as interest rates decline. A significant decrease in interest rates beyond expectation could cause a decline in the value of mortgage servicing rights. On the contrary, borrowers are less likely to refinance or prepay their mortgage loans if interest rates increase, which would extend the duration of the underlying mortgage loans and the associated mortgage servicing rights value would likely rise. Because of these risks, discount rates and prepayment speeds are used to estimate the fair value of mortgage servicing rights. Troubled Debt Restructurings 310 40, No. 2022 02 326 January 1, 2023. No. 2022 02 No. 2022 02 Prior to the adoption of ASU No. 2022 02, not may In accordance with previous accounting guidance, loans modified as troubled debt restructurings were, by definition, considered to be impaired loans. Impairment for these loans were measured on a loan-by-loan basis. Certain loans modified as troubled debt restructurings may may two no Allowance for Credit Losses ( “ Allowance ” ) 3 The “remaining life methodology” is utilized for substantially all loan pools. This non-discounted cash flow approach projects an estimated future amortized cost basis based on current loan balance and repayment terms. Our historical loss rate is then applied to future loan balances at the instrument level based on remaining contractual life adjusted for amortization, prepayment and default to develop a baseline lifetime loss. The baseline lifetime loss is adjusted for changes in macroeconomic conditions over the reasonable and supportable forecast and reversion periods via a series of macroeconomic forecast inputs, such as gross domestic product, unemployment rates, interest rates, credit spreads, stock market volatility and property price indices, to quantify the impact of current and forecasted economic conditions on expected loan performance. Reasonable and supportable economic forecasts have to be incorporated in determining expected credit losses. The forecast period represents the time frame from the current period end through the point in time that we can reasonably forecast and support entity and environmental factors that are expected to impact the performance of our loan portfolio. Ideally, the economic forecast period would encompass the contractual terms of all loans; however, the ability to produce a forecast that is considered reasonable and supportable becomes more difficult or may not Subsequent to the end of the forecast period, we revert to historical loan data based on an ongoing evaluation of each economic forecast in relation to then current economic conditions as well as any developing loan loss activity and resulting historical data. We are not third During each reporting period, we also consider the need to adjust the historical loss rates as determined to reflect the extent to which we expect current conditions and reasonable and supportable economic forecasts to differ from the conditions that existed for the period over which the historical loss information was determined. These qualitative adjustments may Our qualitative factors include: o Changes in lending policies and procedures o Changes in the nature and volume of the loan portfolio and in the terms of loans o Changes in the experience, ability and depth of lending management and other relevant staff o Changes in the volume and severity of past due loans, nonaccrual loans and adversely classified loans o Changes in the quality of the loan review program o Changes in the value of underlying collateral dependent loans o Existence and effect of any concentrations of credit and any changes in such o Effect of other factors such as competition and legal and regulatory requirements o Local or regional conditions that depart from the conditions and forecasts for the entire country The estimation of future credit losses should reflect consideration of all significant factors that affect the collectibility of the loan portfolio at each evaluation date. While our methodology considers both the historical loss rates as well as the traditional qualitative factors, there may January 1, 2022, Accrued interest receivable on loans totaling $16.9 million and $12.8 million as of December 31, 2023 2022, not 90 Identified problem loans, which exhibit characteristics (financial or otherwise) that could cause the loans to become nonperforming or require restructuring in the future, are included on an internal watch list. Senior management and the Board of Directors review this list regularly. In some cases, we may For individually analyzed loans which are deemed to be collateral dependent loans, we adopted the practical expedient to measure the allowance based on the fair value of collateral. The allowance is calculated on an individual loan basis based on the shortfall between the fair value of the loan’s collateral and the recorded principal balance. If the fair value of the collateral exceeds the recorded principal balance, no may may We are also required to consider expected credit losses associated with loan commitments over the contractual period in which we are exposed to credit risk on the underlying commitments unless the obligation is unconditionally cancellable by us. Any allowance for off-balance sheet credit exposures is reported as an other liability on our Consolidated Balance Sheets and is increased or decreased via other noninterest expense on our Consolidated Statement of Income. The calculation includes consideration of the likelihood that funding will occur and forecasted credit losses on commitments expected to be funded over their estimated lives. The allowance is calculated using the same aggregate reserve rates calculated for the funded portion of loans at the portfolio level applied to the amount of commitments expected to be funded. Transfers of Financial Assets 1 2 3 not Premises and Equipment 5 33 3 7 may not Foreclosed Assets: December 31, 2023 2022, Bank Owned Life Insurance: not Goodwill third October 1 not October 1, October 1, 2023; not Repurchase Agreements Financial Instruments and Loan Commitments Stock-Based Compensation Revenue from Contracts with Customers 606, 606” 606, not Our primary sources of revenue are derived from interest and dividends earned on loans, securities and other financial instruments that are not 606. not We generally satisfy our performance obligations on contracts with customers as services are rendered, and the transaction prices are typically fixed and charged either on a periodic basis (generally monthly) or based on activity. Because performance obligations are satisfied as services are rendered and the transaction prices are fixed, there is little judgment involved in applying Topic 606 The following table depicts our sources of noninterest income presented in the Consolidated Statements of Income for the years ended December 31, 2023, 2022 2021 606: (Dollars in thousands) 2023 2022 2021 Service charges on deposit and sweep accounts $ 4,954 $ 5,952 $ 5,078 Credit and debit card fees 8,914 8,216 7,516 Payroll processing 2,509 2,178 1,815 Customer service fees 801 852 857 Service Charges on Deposit and Sweep Accounts: Credit and Debit Card Fees: Payroll Processing Fees: Customer Service Fees: Advertising Costs Income Taxes Fair Values of Financial Instruments not not Earnings Per Share Comprehensive Income (Loss) December 31, 2023, 2022, 2021: (Dollars in thousands) 2023 2022 2021 Unrealized gains (losses) on securities available for sale $ (63,906 ) $ (82,710 ) $ (4,720 ) Tax effect 13,419 17,369 991 Accumulated other comprehensive gain/(loss) $ (50,487 ) $ (65,341 ) $ (3,729 ) Derivatives not not no December 31, 2023 2022 Contingencies: not Recent Accounting Changes Adopted No. 2016 13, Measurement of Credit Losses on Financial Instruments 2018 19 not January 1, 2022 January 1, 2022 ASU No. 2022 02, Troubled Debt Restructurings and Vintage Disclosures 310 40, December 15, 2022. ASU 2023 02 Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method January 1, 2023 December 31, 2022 2021 December 31, 2023, 18, Variable Interest Entities,

Note 2 - Securities

Note 2 - Securities	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE 2 SECURITIES The amortized cost and fair value of available for sale securities and the related pre-tax gross unrealized gains and losses recognized in accumulated other comprehensive gain/(loss) were as follows at year-end 2023 2022 Gross Gross Amortized Unrealized Unrealized Fair (Dollars in thousands) Cost Gains Losses Value 2023 U.S. Government agency debt obligations $ 442,496 $ 0 $ (52,000 ) $ 390,496 Mortgage-backed securities 35,168 20 (5,715 ) 29,473 Municipal general obligation bonds 172,126 1,924 (6,190 ) 167,860 Municipal revenue bonds 30,708 262 (2,207 ) 28,763 Other investments 500 0 0 500 $ 680,998 $ 2,206 $ (66,112 ) $ 617,092 2022 U.S. Government agency debt obligations $ 453,836 $ 0 $ (65,092 ) $ 388,744 Mortgage-backed securities 38,002 19 (6,068 ) 31,953 Municipal general obligation bonds 163,041 450 (9,058 ) 154,433 Municipal revenue bonds 30,267 102 (3,063 ) 27,306 Other investments 500 0 0 500 $ 685,646 $ 571 $ (83,281 ) $ 602,936 Securities with unrealized losses at year-end 2023 2022 Less than 12 Months 12 Months or More Total (Dollars in thousands) Fair Unrealized Fair Unrealized Fair Unrealized Description of Securities Value Loss Value Loss Value Loss 2023 U.S. Government agency debt obligations $ 0 $ 0 $ 390,496 $ 52,000 $ 390,496 $ 52,000 Mortgage-backed securities 114 0 28,749 5,715 28,863 5,715 Municipal general obligation bonds 1,109 6 106,171 6,184 107,280 6,190 Municipal revenue bonds 1,506 8 20,602 2,199 22,108 2,207 Other investments 0 0 0 0 0 0 $ 2,729 $ 14 $ 546,018 $ 66,098 $ 548,747 $ 66,112 2022 U.S. Government agency debt obligations $ 53,019 $ 5,713 $ 335,725 $ 59,379 $ 388,744 $ 65,092 Mortgage-backed securities 31,127 6,068 12 0 31,139 6,068 Municipal general obligation bonds 97,252 4,516 32,870 4,542 130,122 9,058 Municipal revenue bonds 12,532 1,141 10,609 1,922 23,141 3,063 Other investments 0 0 0 0 0 0 $ 193,930 $ 17,438 $ 379,216 $ 65,843 $ 573,146 $ 83,281 We evaluate securities in an unrealized loss position at least quarterly. Consideration is given to the financial condition of the issuer, and the intent and ability we have to retain our investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value. For those debt securities whose fair value is less than their amortized cost basis, we also consider our intent to sell the security, whether it is more likely than not not may At December 31, 2023 December 31, 2022 December 31, 2023 no not not not no The amortized cost and fair values of debt securities at December 31, 2023 may may not Amortized Fair (Dollars in thousands) Cost Value Due in one year or less $ 57,724 $ 56,289 Due from one to five years 261,591 241,758 Due from five to ten years 279,722 243,791 Due after ten years 46,293 45,281 Mortgage-backed securities 35,168 29,473 Other investments 500 500 $ 680,998 $ 617,092 No securities were sold during the last three Securities issued by the State of Michigan and all its political subdivisions had a combined amortized cost of $203 million and $193 million at December 31, 2023 December 31, 2022 December 31, 2023 December 31, 2022 not 10% The carrying value of U.S. Government agency debt obligations and mortgage-backed securities that are pledged to secure repurchase agreements was $230 million and $194 million at December 31, 2023 2022 may

Note 3 - Loans and Allowance fo

Note 3 - Loans and Allowance for Credit Losses	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	NOTE 3 LOANS AND ALLOWANCE FOR CREDIT LOSSES Commercial loans are divided among five one two Our loan portfolio segments as of December 31, 2023 o Commercial Loans ■ Commercial and Industrial ■ Owner Occupied Commercial Real Estate ■ Non-Owner Occupied Commercial Real Estate ■ Multi-Family and Residential Rental ■ Vacant Land, Land Development and Residential Construction o Retail Loans ■ 1 4 ■ Other Consumer Loans During 2023, December 31, 2023 2022 1 4 December 31, 2023. second December 31, 2023 2022 Year-end loans disaggregated by class of loan within the loan portfolio segments were as follows: Percent December 31, 2023 December 31, 2022 Increase (Dollars in thousands) Balance % Balance % (Decrease) Commercial: Commercial and industrial (1) $ 1,254,586 29.2 % $ 1,185,083 30.3 % 5.9 % Vacant land, land development, and residential construction 74,753 1.7 61,873 1.6 20.8 Real estate – owner occupied 717,667 16.7 639,192 16.3 12.3 Real estate – non-owner occupied (3) 1,035,684 24.1 979,214 25.0 5.8 Real estate – multi-family and residential rental (3) 332,609 7.7 266,468 6.8 24.8 Total commercial 3,415,299 79.4 3,131,830 80.0 9.1 Retail: 1-4 family mortgages (2) 837,406 19.5 755,036 19.3 10.9 Other consumer loans (1) 51,053 1.1 29,753 0.7 71.6 Total retail 888,459 20.6 784,789 20.0 13.2 Total loans $ 4,303,758 100.0 % $ 3,916,619 100.0 % 9.9 % ( 1 Credit cards to business customers were reclassified from other consumer loans to commercial and industrial during the year ended December 31, 2023. December 31, 2023 2022 ( 2 Home equity lines of credit were reclassified from 1 4 December 31, 2023 December 31, 2023 2022 ( 3 We have reclassified multi-family construction loans from real estate - non-owner occupied loans to real estate - multi-family and residential rental loans. The table above reflects a classification change of $54.5 million as of December 31, 2022. Concentrations within the loan portfolio were as follows at year end: 2023 2022 Percentage Percentage of of Loan Loan (Dollars in thousands) Balance Portfolio Balance Portfolio Commercial real estate loans to lessors of non-residential buildings $ 754,611 17.5 % $ 738,891 18.9 % An age analysis of past due loans is as follows as of December 31, 2023 Recorded Greater Balance > 30 59 60 89 Than 89 89 Days Days Days Total Total Days and (Dollars in thousands) Past Due Past Due Past Due Past Due Current Loans Accruing Commercial: Commercial and industrial $ 4 $ 0 $ 249 $ 253 $ 1,254,333 $ 1,254,586 $ 0 Vacant land, land development, and residential construction 0 0 0 0 74,753 74,753 0 Real estate – owner occupied 0 0 70 70 717,597 717,667 0 Real estate – non-owner occupied 0 0 0 0 1,035,684 1,035,684 0 Real estate – multi-family and residential rental 0 0 0 0 332,609 332,609 0 Total commercial 4 0 319 323 3,414,976 3,415,299 0 Retail: 1-4 family mortgages 934 145 38 1,117 836,289 837,406 0 Other consumer loans 97 0 0 97 50,956 51,053 0 Total retail 1,031 145 38 1,214 887,245 888,459 0 Total past due loans $ 1,035 $ 145 $ 357 $ 1,537 $ 4,302,221 $ 4,303,758 $ 0 An age analysis of past due loans is as follows as of December 31, 2022 Recorded Greater Balance > 30 59 60 89 Than 89 89 Days Days Days Total Total Days and (Dollars in thousands) Past Due Past Due Past Due Past Due Current Loans Accruing Commercial: Commercial and industrial $ 0 $ 5,705 $ 249 $ 5,954 $ 1,179,129 $ 1,185,083 $ 0 Vacant land, land development, and residential construction 0 0 0 0 61,873 61,873 0 Real estate – owner occupied 0 248 0 248 638,944 639,192 0 Real estate – non-owner occupied 0 0 0 0 979,214 979,214 0 Real estate – multi-family and residential rental 0 0 0 0 266,468 266,468 0 Total commercial 0 5,953 249 6,202 3,125,628 3,131,830 0 Retail: 1-4 family mortgages 1,334 88 116 1,538 753,498 755,036 0 Other consumer loans 15 1 0 16 29,737 29,753 0 Total retail 1,349 89 116 1,554 783,235 784,789 0 Total past due loans $ 1,349 $ 6,042 $ 365 $ 7,756 $ 3,908,863 $ 3,916,619 $ 0 Nonaccrual loans as of December 31, 2023 Recorded Principal Related (Dollars in thousands) Balance Allowance With no allowance recorded: Commercial: Commercial and industrial $ 0 $ 0 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 70 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 70 0 Retail: 1-4 family mortgages 2,272 0 Other consumer loans 0 0 Total retail 2,272 0 Total with no allowance recorded $ 2,342 $ 0 With an allowance recorded: Commercial: Commercial and industrial $ 249 $ 1 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 249 1 Retail: 1-4 family mortgages 824 240 Other consumer loans 0 0 Total retail 824 240 Total with an allowance recorded $ 1,073 $ 241 Total nonaccrual loans: Commercial $ 319 $ 1 Retail 3,096 240 Total nonaccrual loans $ 3,415 $ 241 Nonaccrual loans represent the entire balance of collateral dependent loans. As of December 31, 2023 2022, 2023, 2022 2021, Nonaccrual loans as of December 31, 2022 Recorded Principal Related (Dollars in thousands) Balance Allowance With no allowance recorded: Commercial: Commercial and industrial $ 249 $ 0 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 249 0 Retail: 1-4 family mortgages 1,064 0 Other consumer loans 0 0 Total retail 1,064 0 Total with no allowance recorded $ 1,313 $ 0 With an allowance recorded: Commercial: Commercial and industrial $ 5,775 $ 2,051 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 248 32 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 6,023 2,083 Retail: 1-4 family mortgages 392 200 Other consumer loans 0 0 Total retail 392 200 Total with an allowance recorded $ 6,415 $ 2,283 Total nonaccrual loans: Commercial $ 6,272 $ 2,083 Retail 1,456 200 Total nonaccrual loans $ 7,728 $ 2,283 Credit Quality Indicators. ten Loans by credit quality indicators were as follows as of December 31, 2023 Commercial credit exposure – credit risk profiled by internal credit risk grades: Commercial Vacant Land, Commercial Land Commercial Commercial Real Estate - Commercial Development, Real Estate - Real Estate - Multi-Family and and Residential Owner Non-Owner and Residential (Dollars in thousands) Industrial Construction Occupied Occupied Rental Internal credit risk grade groupings: Grades 1 – 4 $ 724,156 $ 34,944 $ 468,339 $ 451,019 $ 172,455 Grades 5 – 7 505,807 39,719 248,802 573,771 147,903 Grades 8 – 9 24,623 90 526 10,894 12,251 Total commercial $ 1,254,586 $ 74,753 $ 717,667 $ 1,035,684 $ 332,609 Retail credit exposure – credit risk profiled by collateral type: Retail Retail 1-4 Family Other (Dollars in thousands) Mortgages Consumer Loans Performing $ 834,310 $ 51,053 Nonperforming 3,096 0 Total retail $ 837,406 $ 51,053 Loans by credit quality indicators were as follows as of December 31, 2022 Commercial credit exposure – credit risk profiled by internal credit risk grades: Commercial Vacant Land, Commercial Land Commercial Commercial Real Estate - Commercial Development, Real Estate - Real Estate - Multi-Family and and Residential Owner Non-Owner and Residential (Dollars in thousands) Industrial Construction Occupied Occupied Rental Internal credit risk grade groupings: Grades 1 – 4 (1) $ 719,583 $ 41,711 $ 406,341 $ 428,733 $ 137,258 Grades 5 – 7 450,405 20,057 229,766 538,081 129,161 Grades 8 – 9 15,095 105 3,085 12,400 49 Total commercial $ 1,185,083 $ 61,873 $ 639,192 $ 979,214 $ 266,468 Retail credit exposure – credit risk profiled by collateral type: Retail Retail 1-4 Family Other (Dollars in thousands) Mortgages Consumer Loans Performing $ 753,580 $ 29,753 Nonperforming 1,456 0 Total retail $ 755,036 $ 29,753 All commercial loans are graded using the following criteria: Grade 1. “Exceptional” Loans with this rating contain very little, if any, risk. Grade 2. “Outstanding” Loans with this rating have excellent and stable sources of repayment and conform to bank policy and regulatory requirements. Grade 3. “Very Good” Loans with this rating have strong sources of repayment and conform to bank policy and regulatory requirements. These are loans for which repayment risks are acceptable. Grade 4. “Good” Loans with this rating have solid sources of repayment and conform to bank policy and regulatory requirements. These are loans for which repayment risks are modest. Grade 5. “Acceptable” Loans with this rating exhibit acceptable sources of repayment and conform with most bank policies and all regulatory requirements. These are loans for which repayment risks are satisfactory. Grade 6. “Monitor” Loans with this rating are considered to have emerging weaknesses which may Grade 7. “Special Mention” Loans with this rating have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may Grade 8. “Substandard” Loans with this rating are inadequately protected by current sound net worth, paying capacity of the obligor, or of the pledged collateral, if any. A Substandard loan normally has one not Grade 9. “Doubtful” Loans with this rating exhibit all the weaknesses inherent in the Substandard classification and where collection or liquidation in full is highly questionable and improbable. Grade 10. “Loss” Loans with this rating are considered uncollectable, and of such little value that continuance as an active asset is not The primary risk elements with respect to commercial loans are the financial condition of the borrower, the sufficiency of collateral, and timeliness of scheduled payments. We have a policy of requesting and reviewing periodic financial statements from commercial loan customers and employ a disciplined and formalized review of the existence of collateral and its value. The primary risk element with respect to each residential real estate loan and consumer loan is the timeliness of scheduled payments; loans 90 The following table reflects loan balances as of December 31, 2023 Revolving Grand (Dollars in thousands) 2023 2022 2021 2020 2019 Prior Term Total Loans Total Commercial: Commercial and Industrial: Grades 1 – 4 $ 103,531 $ 79,883 $ 90,107 $ 20,577 $ 5,978 $ 9,160 $ 309,236 $ 414,920 $ 724,156 Grades 5 – 7 174,668 57,979 20,075 18,361 7,450 119 278,652 227,155 505,807 Grades 8 – 9 3,671 2,122 277 0 0 0 6,070 18,553 24,623 Total $ 281,870 $ 139,984 $ 110,459 $ 38,938 $ 13,428 $ 9,279 $ 593,958 $ 660,628 $ 1,254,586 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 218 $ 218 Vacant Land, Land Development and Residential Construction: Grades 1 – 4 $ 24,875 $ 6,570 $ 1,108 $ 2,110 $ 0 $ 281 $ 34,944 $ 0 $ 34,944 Grades 5 – 7 17,799 21,244 138 2 40 496 39,719 0 39,719 Grades 8 – 9 9 0 0 0 0 81 90 0 90 Total $ 42,683 $ 27,814 $ 1,246 $ 2,112 $ 40 $ 858 $ 74,753 $ 0 $ 74,753 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 Real Estate – Owner Occupied: Grades 1 – 4 $ 205,379 $ 110,130 $ 85,982 $ 47,630 $ 14,362 $ 2,908 $ 466,391 $ 1,948 $ 468,339 Grades 5 – 7 111,197 63,271 27,729 27,029 9,419 439 239,084 9,718 248,802 Grades 8 – 9 0 417 0 38 0 71 526 0 526 Total $ 316,576 $ 173,818 $ 113,711 $ 74,697 $ 23,781 $ 3,418 $ 706,001 $ 11,666 $ 717,667 Current-period gross write-offs $ 0 $ 14 $ 0 $ 0 $ 0 $ 40 $ 54 $ 0 $ 54 Real Estate – Non-Owner Occupied: Grades 1 – 4 $ 109,125 $ 84,912 $ 113,846 $ 102,279 $ 27,664 $ 13,193 $ 451,019 $ 0 $ 451,019 Grades 5 – 7 233,471 118,464 109,238 88,315 6,148 18,135 573,771 0 573,771 Grades 8 – 9 10,894 0 0 0 0 0 10,894 0 10,894 Total $ 353,490 $ 203,376 $ 223,084 $ 190,594 $ 33,812 $ 31,328 $ 1,035,684 $ 0 $ 1,035,684 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 Real Estate – Multi-Family and Residential Rental: Grades 1 – 4 $ 36,038 $ 28,512 $ 64,244 $ 35,129 $ 4,883 $ 3,649 $ 172,455 $ 0 $ 172,455 Grades 5 – 7 72,916 55,964 4,816 9,372 2,699 2,136 147,903 0 147,903 Grades 8 – 9 11,250 0 0 1,001 0 0 12,251 0 12,251 Total $ 120,204 $ 84,476 $ 69,060 $ 45,502 $ 7,582 $ 5,785 $ 332,609 $ 0 $ 332,609 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 Total Commercial $ 1,114,823 $ 629,468 $ 517,560 $ 351,843 $ 78,643 $ 50,668 $ 2,743,005 $ 672,294 $ 3,415,299 Current-period gross write-offs $ 0 $ 14 $ 0 $ 0 $ 0 $ 40 $ 54 $ 218 $ 272 Retail: 1-4 Family Mortgages: Performing $ 133,823 $ 332,098 $ 231,842 $ 82,002 $ 10,515 $ 44,003 $ 834,283 $ 27 $ 834,310 Nonperforming 108 1,728 305 0 10 945 3,096 0 3,096 Total $ 133,931 $ 333,826 $ 232,147 $ 82,002 $ 10,525 $ 44,948 $ 837,379 $ 27 $ 837,406 Current-period gross write-offs $ 0 $ 174 $ 0 $ 0 $ 0 $ 240 $ 414 $ 0 $ 414 0 Other Consumer Loans: Performing $ 5,138 $ 2,569 $ 1,664 $ 608 $ 651 $ 716 $ 11,346 $ 39,707 $ 51,053 Nonperforming 0 0 0 0 0 0 0 0 0 Total $ 5,138 $ 2,569 $ 1,664 $ 608 $ 651 $ 716 $ 11,346 $ 39,707 $ 51,053 Current-period gross write-offs $ 3 $ 16 $ 0 $ 0 $ 0 $ 3 $ 22 $ 155 $ 177 Total Retail $ 139,069 $ 336,395 $ 233,811 $ 82,610 $ 11,176 $ 45,664 $ 848,725 $ 39,734 $ 888,459 Current-period gross write-offs $ 3 $ 190 $ 0 $ 0 $ 0 $ 243 $ 436 $ 155 $ 591 Grand Total $ 1,253,892 $ 965,863 $ 751,371 $ 434,453 $ 89,819 $ 96,332 $ 3,591,730 $ 712,028 $ 4,303,758 Current-period gross write-offs $ 3 $ 204 $ 0 $ 0 $ 0 $ 283 $ 490 $ 373 $ 863 There were lines of credit with principal balances of $6.4 million as of December 31, 2022 2023. The following table reflects loan balances as of December 31, 2022 Revolving Grand (Dollars in thousands) 2022 2021 2020 2019 2018 Prior Term Total Loans Total Commercial: Commercial and Industrial: Grades 1 – 4 $ 115,494 $ 141,481 $ 43,961 $ 9,194 $ 3,230 $ 9,851 $ 323,211 $ 396,372 $ 719,583 Grades 5 – 7 151,783 47,030 31,697 8,870 569 93 240,042 210,363 450,405 Grades 8 – 9 3,784 249 0 0 48 29 4,110 10,985 15,095 Total $ 271,061 $ 188,760 $ 75,658 $ 18,064 $ 3,847 $ 9,973 $ 567,363 $ 617,720 $ 1,185,083 Vacant Land, Land Development and Residential Construction: Grades 1 – 4 $ 31,756 $ 6,196 $ 3,428 $ 0 $ 0 $ 331 $ 41,711 $ 0 $ 41,711 Grades 5 – 7 10,270 8,760 351 50 0 626 20,057 0 20,057 Grades 8 – 9 0 0 0 0 14 91 105 0 105 Total $ 42,026 $ 14,956 $ 3,779 $ 50 $ 14 $ 1,048 $ 61,873 $ 0 $ 61,873 Real Estate – Owner Occupied: Grades 1 – 4 $ 194,072 $ 113,528 $ 53,630 $ 19,670 $ 19,279 $ 6,162 $ 406,341 $ 0 $ 406,341 Grades 5 – 7 115,720 56,173 33,913 10,245 12,550 1,165 229,766 0 229,766 Grades 8 – 9 2,919 0 44 0 122 0 3,085 0 3,085 Total $ 312,711 $ 169,701 $ 87,587 $ 29,915 $ 31,951 $ 7,327 $ 639,192 $ 0 $ 639,192 Real Estate – Non-Owner Occupied: Grades 1 – 4 $ 121,281 $ 152,034 $ 89,125 $ 44,196 $ 10,079 $ 12,018 $ 428,733 $ 0 $ 428,733 Grades 5 – 7 176,216 142,647 133,163 35,200 13,456 37,399 538,081 0 538,081 Grades 8 – 9 6,712 5,688 0 0 0 0 12,400 0 12,400 Total $ 304,209 $ 300,369 $ 222,288 $ 79,396 $ 23,535 $ 49,417 $ 979,214 $ 0 $ 979,214 Real Estate – Multi-Family and Residential Rental: Grades 1 – 4 $ 39,342 $ 49,177 $ 36,348 $ 5,306 $ 3,082 $ 4,003 $ 137,258 $ 0 $ 137,258 Grades 5 – 7 56,019 47,473 19,667 3,162 2,557 283 129,161 0 129,161 Grades 8 – 9 0 0 0 0 0 49 49 0 49 Total $ 95,361 $ 96,650 $ 56,015 $ 8,468 $ 5,639 $ 4,335 $ 266,468 $ 0 $ 266,468 Total Commercial $ 1,025,368 $ 770,436 $ 445,327 $ 135,893 $ 64,986 $ 72,100 $ 2,514,110 $ 617,720 $ 3,131,830 Retail: 1-4 Family Mortgages: Performing $ 313,611 $ 242,950 $ 91,936 $ 12,094 $ 14,297 $ 41,622 $ 716,510 $ 37,070 $ 753,580 Nonperforming 142 82 0 0 203 1,029 1,456 0 1,456 Total $ 313,753 $ 243,032 $ 91,936 $ 12,094 $ 14,500 $ 42,651 $ 717,966 $ 37,070 $ 755,036 Other Consumer Loans: Performing $ 4,349 $ 2,870 $ 1,040 $ 1,074 $ 395 $ 430 $ 10,158 $ 19,595 $ 29,753 Nonperforming 0 0 0 0 0 0 0 0 0 Total $ 4,349 $ 2,870 $ 1,040 $ 1,074 $ 395 $ 430 $ 10,158 $ 19,595 $ 29,753 Total Retail $ 318,102 $ 245,902 $ 92,976 $ 13,168 $ 14,895 $ 43,081 $ 728,124 $ 56,665 $ 784,789 Grand Total $ 1,343,470 $ 1,016,338 $ 538,303 $ 149,061 $ 79,881 $ 115,181 $ 3,242,234 $ 674,385 $ 3,916,619 December 31, 2021 2022. We use a migration to loss methodology to determine historical loss rates for commercial loans given the comprehensive loan grading process employed by our bank for over two January 1, 2011 December 31, 2023 2022 Our historical loss rate is then applied to future loan balances at the instrument level based on remaining contractual life adjusted for amortization, prepayment and default to develop a baseline lifetime loss. Our prepayment speed assumptions are developed at the loan segment level based upon the consideration of all relevant data in which we believe to impact anticipated customer behavior including changes in interest rates, economic conditions, and underlying property valuations. For the commercial portfolio segments, we assumed a 2% prepayment speed as of both December 31, 2023 2022 no 1 4 December 31, 2022 December 31, 2023 December 31, 2022 December 31, 2023. December 31, 2023 2022 no During each reporting period, we also consider the need to adjust the historical loss rates as determined to reflect the extent to which we expect current conditions and reasonable and supportable economic forecasts to differ from the conditions that existed for the period over which the historical loss information was determined. These qualitative adjustments may December 31, 2023 2022, one six December 31, 2023 December 31, 2022 Individual loans exhibiting unique risk characteristics which differentiate the loans from other loans within the loan segments and are evaluated for expected credit losses on an individual basis totaled $5.4 million and $13.2 million as of December 31, 2023 2022, December 31, 2023 2022, The allowance for credit losses for the year ended December 31, 2023 Commercial vacant land, Commercial land real estate – development Commercial Commercial multi-family Commercial and real estate – real estate – and 1 4 Other and residential owner non-owner residential family consumer (Dollars in thousands) industrial construction occupied occupied rental mortgages loans Unallocated Total Allowance for credit losses: Beginning balance $ 10,203 $ 490 $ 5,914 $ 9,242 $ 2,191 $ 14,027 $ 160 $ 19 $ 42,246 Credit risk reclassifications 90 0 0 0 0 (697 ) 607 0 0 Balances, December 31, 2022 after reclassifications 10,293 490 5,914 9,242 2,191 13,330 767 19 42,246 Provision for credit losses (2,822 ) (141 ) 1,255 610 967 5,638 2,212 (19 ) 7,700 Charge-offs (218 ) 0 (54 ) 0 0 (414 ) (177 ) 0 (863 ) Recoveries 188 35 71 0 26 432 79 0 831 Ending balance $ 7,441 $ 384 $ 7,186 $ 9,852 $ 3,184 $ 18,986 $ 2,881 $ 0 $ 49,914 The allowance for credit losses for the year ended December 31, 2022 Commercial vacant land, Commercial land real estate – development Commercial Commercial multi-family Commercial and real estate – real estate – and 1-4 Other and residential owner non-owner residential family consumer (Dollars in thousands) industrial construction occupied occupied rental mortgages loans Unallocated Total Allowance for credit losses: Beginning balance $ 10,782 $ 420 $ 6,045 $ 12,990 $ 2,006 $ 2,449 $ 626 $ 45 $ 35,363 Adoption of ASU 2016-13 (1,571 ) (43 ) (560 ) (2,534 ) (621 ) 5,395 (411 ) (55 ) (400 ) Provision for credit losses 946 138 378 (1,214 ) 763 5,621 (111 ) 29 6,550 Charge-offs (171 ) (29 ) (38 ) 0 0 (33 ) (21 ) 0 (292 ) Recoveries 217 4 89 0 43 595 77 0 1,025 Ending balance $ 10,203 $ 490 $ 5,914 $ 9,242 $ 2,191 $ 14,027 $ 160 $ 19 $ 42,246 The allowance for loan losses for the year ended December 31, 2021 Commercial vacant land, Commercial land real estate – development Commercial Commercial multi-family Commercial and real estate – real estate – and Home and residential owner non-owner residential equity 1-4 family (Dollars in thousands) industrial construction occupied occupied rental and other mortgages Unallocated Total Allowance for loan losses: Beginning balance $ 9,424 $ 679 $ 8,246 $ 13,611 $ 1,819 $ 889 $ 3,240 $ 59 $ 37,967 Provision for loan losses 2,030 (618 ) (3,308 ) (621 ) 161 (301 ) (1,629 ) (14 ) (4,300 ) Charge-offs (882 ) (15 ) (12 ) 0 0 (43 ) (92 ) 0 (1,044 ) Recoveries 210 374 1,119 0 26 81 930 0 2,740 Ending balance $ 10,782 $ 420 $ 6,045 $ 12,990 $ 2,006 $ 626 $ 2,449 $ 45 $ 35,363 The following table presents the period-end amortized cost basis of modifications to borrowers experiencing financial difficulty by type of modification made during the year ended December 31, 2023: Interest Rate Principal (Dollars in thousands) Reduction Term Extension Forgiveness Commercial: Commercial and industrial $ 0 $ 17,919 $ 0 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 10,894 0 Real estate – multi-family and residential rental 0 0 0 Total commercial $ 0 $ 28,813 $ 0 Retail: 1-4 family mortgages 0 0 0 Other consumer loans 0 0 0 Total retail $ 0 $ 0 $ 0 Total loans $ 0 $ 28,813 $ 0 Loans listed under Term Extension were generally granted a series of short-term maturity extensions as part of workout process and associated forbearance agreements. The following table presents the period-end amortized cost basis of loans that have been modified in the past twelve 30 – 89 Days 90 + Days (Dollars in thousands) Current Past Due Past Due Total Commercial: Commercial and industrial $ 17,919 $ 0 $ 0 $ 17,919 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 0 0 0 0 Real estate – non-owner occupied 10,894 0 0 10,894 Real estate – multi-family and residential rental 0 0 0 0 Total commercial $ 28,813 $ 0 $ 0 $ 28,813 Retail: 1-4 family mortgages 0 0 0 0 Other consumer loans 0 0 0 0 Total retail $ 0 $ 0 $ 0 $ 0 Total loans $ 28,813 $ 0 $ 0 $ 28,813 Loans modified as troubled debt restructurings generally reflect payment extensions and below market interest rates. Loans modified as troubled debt restructurings during the year ended December 31, 2022 Pre- Post- Modification Modification Recorded Recorded Number of Principal Principal (Dollars in thousands) Contracts Balance Balance Commercial: Commercial and industrial 3 $ 6,593 $ 6,593 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total commercial 3 6,593 6,593 Retail: Home equity and other 0 0 0 1-4 family mortgages 7 758 757 Total retail 7 758 757 Total 10 $ 7,351 $ 7,350 The following loans, modified as troubled debt restructurings within the previous twelve 30 December 31, 2022 Recorded Number of Principal (Dollars in thousands) Contracts Balance Commercial: Commercial and industrial 2 $ 5,665 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 2 5,665 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 2 5,665 Activity for loans categorized as troubled debt restructurings during the year ended December 31, 2022 Commercial Vacant Land, Commercial Land Real Estate - Development, Commercial Commercial Multi-Family Commercial and Real Estate - Real Estate - and and Residential Owner Non-Owner Residential (Dollars in thousands) Industrial Construction Occupied Occupied Rental Commercial Loan Portfolio: Beginning Balance $ 4,973 $ 0 $ 10,435 $ 146 $ 91 Charge-Offs (95 ) 0 (39 ) 0 0 Payments (772 ) 0 (9,683 ) (16 ) (91 ) Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 4,566 0 (669 ) 0 0 Ending Balance $ 8,672 $ 0 $ 44 $ 130 $ 0 Retail Retail Home Equity 1-4 Family (Dollars in thousands) and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 1,202 $ 627 Charge-Offs 0 0 Payments (14 ) (317 ) Transfers to ORE 0 0 Net Additions/Deletions (1,187 ) 2,426 Ending Balance $ 1 $ 2,736

Note 4 - Premises and Equipment

Note 4 - Premises and Equipment, Net	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	NOTE 4 Year-end premises and equipment were as follows: (Dollars in thousands) 2023 2022 Land and improvements $ 12,782 $ 13,532 Buildings 56,778 53,865 Furniture and equipment 25,157 22,941 94,717 90,338 Less: accumulated depreciation 43,789 38,862 Total premises and equipment $ 50,928 $ 51,476 Depreciation expense totaled $6.0 million in 2023 2022 2021 We enter into facility leases in the normal course of business. As of December 31, 2023 eleven April, 2024 May, 2048, December 31, 2023 three five not not Leases are classified as either operating or finance leases at the lease commencement date, with all of our current leases determined to be operating leases. Lease expense for operating leases is recognized on a straight-line basis over the lease term. Right-of-use assets represent our right to use an underlying asset for the lease term, while lease liabilities represent our obligation to make lease payments arising from the lease. Right-of-use assets and lease liabilities are recognized at the lease commencement date at the estimated present value of lease payments over the lease term. We use our incremental borrowing rate, on a collateralized basis, at lease commencement to calculate the present value of lease payments. The weighted average discount rate for leases was 5.93% as of December 31, 2023 The right-of-use assets, included in premises and equipment, net on our Consolidated Balance Sheets, and the lease liabilities, included in other liabilities on our Consolidated Balance Sheets, totaled $3.7 million and $ 3.5 December 31, 2023 December 31, 2022 not twelve 2023 2022 2021 Future lease payments were as follows as of December 31, 2023 (Dollars in thousands) 2024 $ 1,127 2025 720 2026 651 2027 570 2028 380 Thereafter 1,316 Total undiscounted lease payments 4,764 Less effect of discounting (1,072 ) Present value of future lease payments (lease liability) 3,692

Note 5 - Mortgage Loan Servicin

Note 5 - Mortgage Loan Servicing	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Mortgage Loan Servicing [Text Block]	NOTE 5 MORTGAGE LOAN SERVICING Mortgage loans serviced for others are not (Dollars in thousands) 2023 2022 Mortgage loan portfolios serviced for: Federal Home Loan Mortgage Corporation $ 1,341,602 $ 1,345,312 Federal Home Loan Bank 62,786 30,831 Total mortgage loans serviced for others $ 1,404,388 $ 1,376,143 Custodial escrow balances, which are reported as deposits on the Consolidated Balance Sheets, maintained in connection with serviced loans were $10.1 million and $11.6 million as of December 31, 2023 December 31, 2022 Activity for capitalized mortgage loan servicing rights, which are reported as other assets on the Consolidated Balance Sheets, during 2023 2022 (Dollars in thousands) 2023 2022 Balance at beginning of year $ 11,837 $ 12,248 Additions 2,259 2,773 Amortized to expense (2,753 ) (3,184 ) Balance at end of year $ 11,343 $ 11,837 Mortgage servicing rights result from our mortgage loan origination activities. Late and ancillary fees, included as part of mortgage banking income and reported as noninterest income in the Consolidated Statements of Income, aggregated less than $0.1 million during 2023 2022 We determined that no valuation allowance was necessary as of December 31, 2023 December 31, 2022 December 31, 2023 December 31, 2022 2023 2022 The weighted average amortization period was 8.6 years and 8.9 years as of December 31, 2023 December 31, 2022

Note 6 - Deposits

Note 6 - Deposits	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Deposit Liabilities Disclosures [Text Block]	NOTE 6 DEPOSITS Deposits at year end are summarized as follows: Percent (Dollars in thousands) December 31, 2023 December 31, 2022 Increase Balance % Balance % (Decrease) Noninterest-bearing checking $ 1,247,640 32.1 % $ 1,604,750 43.3 % (22.3 )% Interest-bearing checking 635,790 16.3 575,028 15.5 10.6 Money market 957,434 24.5 776,723 20.9 23.3 Savings 262,566 6.7 381,602 10.3 (31.2 ) Time, under $100,000 175,741 4.5 113,099 3.0 55.4 Time, $100,000 and over 453,366 11.6 261,609 7.0 73.3 Total local deposits 3,732,537 95.7 3,712,811 100.0 0.5 Out-of-area time, $100,000 and over 168,381 4.3 0 0 0 Total deposits $ 3,900,918 100.0 % $ 3,712,811 100.0 % 5.1 % Out-of-area time deposits consist of deposits obtained from depositors outside of our primary market areas exclusively through deposit brokers. The following table depicts the maturity distribution for time deposits at year end: (Dollars in thousands) 2023 2022 In one year or less $ 657,307 $ 188,887 In one to two years 61,454 68,434 In two to three years 22,830 22,053 In three to four years 54,486 30,761 In four to five years 1,411 64,573 Total certificates of deposit $ 797,488 $ 374,708 NOTE 6 DEPOSITS The following table depicts the maturity distribution for time deposits with balances of $100,000 (Dollars in thousands) 2023 2022 Up to three months $ 167,535 $ 40,538 Three months to six months 127,344 25,141 Six months to twelve months 210,915 54,394 Over twelve months 115,953 141,536 Total certificates of deposit $ 621,747 $ 261,609 Total time deposits of more than $250,000 2023 2022 Deposit overdrafts, which are reported as loans on the Consolidated Balance Sheets, totaled $0.3 million and $0.9 million as of December 31, 2023 December 31, 2022

Note 7 - Securities Sold Under

Note 7 - Securities Sold Under Agreements to Repurchase	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]	NOTE 7 SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE Information regarding securities sold under agreements to repurchase at year end is summarized below: (Dollars in thousands) 2023 2022 Outstanding balance at year end $ 229,734 $ 194,340 Weighted average interest rate at year end 3.17 % 0.75 % Average daily balance during the year $ 204,334 $ 200,499 Weighted average interest rate during the year 1.33 % 0.15 % Maximum daily balance during the year $ 269,324 $ 235,577 Securities sold under agreements to repurchase (“repurchase agreements”) generally have original maturities of less than one

Note 8 - Federal Home Loan Bank

Note 8 - Federal Home Loan Bank of Indianapolis Advances	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Federal Home Loan Bank Advances, Disclosure [Text Block]	NOTE 8 FHLBI bullet advances totaled $440 million at December 31, 2023 January 2024 December 2028, December 31, 2022 January 2023 June 2027, NOTE 8 Maturities of FHLBI bullet advances as of December 31, 2023 (Dollars in thousands) 2024 $ 90,000 2025 80,000 2026 80,000 2027 100,000 2028 90,000 FHLBI amortizing advances totaled $27.9 million and $28.3 million as of December 31, 2023 2022, 2042. Scheduled principal payments on FHLBI amortizing advances as of December 31, 2023 (Dollars in thousands) 2024 $ 827 2025 862 2026 900 2027 938 2028 979 Thereafter 23,404 Each advance is payable at its maturity date, and is subject to a prepayment fee if paid prior to the maturity date. The advances are collateralized by residential mortgage loans, first first December 31, 2023

Note 9 - Federal Income Taxes

Note 9 - Federal Income Taxes	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Income Tax Disclosure [Text Block]	NOTE 9 The consolidated income tax expense is as follows: (Dollars in thousands) 2023 2022 2021 Current expense $ 22,518 $ 16,080 $ 12,675 Deferred (benefit) expense (2,036 ) (1,353 ) 2,020 Tax expense $ 20,482 $ 14,727 $ 14,695 NOTE 9 A reconciliation of the differences between the federal income tax expense recorded and the amount computed by applying the federal statutory rate to income before income taxes is as follows: (Dollars in thousands) 2023 2022 2021 Tax at statutory rate $ 21,567 $ 15,915 $ 15,481 Increase (decrease) from Tax-exempt interest (862 ) (695 ) (658 ) Bank owned life insurance (303 ) (334 ) (233 ) Other 80 (159 ) 105 Tax expense $ 20,482 $ 14,727 $ 14,695 The statutory tax rate was 21% for 2023 2022 2021 Significant components of deferred tax assets and liabilities, included in other assets on our Consolidated Balance Sheets, as of December 31, 2023 2022 (Dollars in thousands) 2023 2022 Deferred income tax assets Allowance for credit losses $ 10,482 $ 8,872 Deferred compensation 226 232 Stock compensation 1,005 1,018 Nonaccrual loan interest income 132 136 Unrealized loss on securities 13,420 17,369 Lease liability 775 810 Other 779 494 Deferred tax asset 26,819 28,931 Deferred income tax liabilities Depreciation 337 697 Prepaid expenses 612 504 Core deposit intangible 0 120 Mortgage loan servicing rights 2,382 2,486 Deferred loan fees and costs 509 211 Right of use lease asset 775 810 Business combination adjustments 1,770 1,877 Other 447 326 Deferred tax liability 6,832 7,031 Total net deferred tax asset $ 19,987 $ 21,900 A valuation allowance related to deferred tax assets is required when it is considered more likely than not not 2023 2022 2023 2022 not 2024 2023 2022 no 2020.

Note 10 - Stock-based Compensat

Note 10 - Stock-based Compensation	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	NOTE 10 STOCK-BASED COMPENSATION Stock-based compensation plans are used to provide directors and employees with an increased incentive to contribute to our long-term performance and growth, to align the interests of directors and employees with the interests of our shareholders through the opportunity for increased stock ownership and to attract and retain directors and employees. Stock-based compensation, reported as noninterest expense in the Consolidated Statements of Income, totaled $3.4 million, $3.4 million and $3.8 million in 2023, 2022 2021, 2006 January 18, 2016, 2016 May, 2016. 2016 2020 May, 2020. 2020 2023 May, 2023. Grants included on the following tables were made under the various Stock Incentive Plans as follows: ● Stock Incentive Plan of 2006 o Stock option grants in 2015 ● Stock Incentive Plan of 2016 o Stock option grants in 2016 o Restricted stock grants in 2018 2019 ● Stock Incentive Plan of 2020 o Restricted stock grants in 2020, 2021 2022 ● Stock Incentive Plan of 2023 o Restricted stock grants in 2023 In addition, stock grants to directors as retainer payments during the years 2020 2022 2020, 2023 2023. Under the Stock Incentive Plan of 2006, 2016, 2020 2023, may not not No 2018 2023 three 2019 2023, 2023, A summary of restricted stock activity during the year ended December 31, 2023 Weighted Average Shares Fair Value Nonvested at beginning of year 374,771 $ 30.49 Granted 95,084 40.23 Vested (109,414 ) 27.01 Forfeited (4,551 ) 28.70 Nonvested at end of year 355,890 $ 34.18 NOTE 10 STOCK-BASED COMPENSATION Of the restricted stock shares granted in 2023 2022 2021 2022, 2021, 2020 2019, 2021, 2020, 2019 2018, three no 2023. Shares issued as a result of the exercise of stock option grants have been authorized and were previously unissued shares. A summary of stock option activity during the year ended December 31, 2023 Weighted Average Exercise Shares Price Outstanding at beginning of year 5,000 $ 36.22 Granted 0 0.00 Exercised 0 0.00 Forfeited or expired (5,000 ) 34.89 Outstanding at end of year 0 $ 0 Options exercisable at year end 0 $ 0 NOTE 10 STOCK-BASED COMPENSATION Information related to options outstanding at year end 2022 2021 2022 2021 Minimum exercise price $ 36.22 $ 27.66 Maximum Exercise Price 36.22 36.22 Average Remaining Option Term 0.9 1.7 Information related to options outstanding at year end 2022 2021 (Dollars in thousands) 2022 2021 Aggregate intrinsic value of stock options exercised $ 16 $ 13 Cash received from stock option exercises 36 50 Tax benefit realized from stock option exercises 0 0 Weighted average per share fair value of stock options granted NA NA We periodically grant shares of common stock to our Corporate and Bank Board Directors for retainer payments with the related expense being recorded over the period of the Directors' service, as summarized below: Total Cost Grant Year Shares Granted (in thousands) Covered Period 2020 17,716 $ 394 June 1, 2020 - May 31, 2021 2021 10,489 344 June 1, 2021 - May 31, 2022 2022 11,166 359 June 1, 2022 - May 31, 2023 2023 11,529 350 June 1, 2023 - May 31, 2024

Note 11 - Related Parties

Note 11 - Related Parties	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	NOTE 11 RELATED PARTIES Certain directors and executive officers of our bank, including their immediate families and companies in which they are principal owners, were loan customers of our bank. At year-end 2023 2022 2023 2022 (Dollars in thousands) 2023 2022 Beginning balance $ 92,660 $ 87,672 New loans 3,221 10,619 Repayments (5,410 ) (5,631 ) Effect of changes in related parties (964 ) 0 Ending balance $ 89,507 $ 92,660 Related party deposits and repurchase agreements totaled $20.7 million and $21.5 million at year-end 2023 2022

Note 12 - Commitments and Off-b

Note 12 - Commitments and Off-balance-sheet Risk	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Commitments Contingencies and Guarantees [Text Block]	NOTE 12 COMMITMENTS AND OFF-BALANCE-SHEET RISK We are a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of our customers. These financial instruments include commitments to extend credit and standby letters of credit. Loan commitments to extend credit are agreements to lend to a customer as long as there is no third may not These instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized, if any, in the balance sheet. Our maximum exposure to loan loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit is represented by the contractual notional amount of those instruments. We use the same credit policies in making commitments and conditional obligations as we do for on-balance sheet instruments. Collateral, such as accounts receivable, securities, inventory, and property and equipment, is generally obtained based on management’s credit assessment of the borrower. We are required to consider expected credit losses associated with loan commitments over the contractual period in which we are exposed to credit risk on the underlying commitments unless the obligation is unconditionally cancellable by us. Any allowance for off-balance sheet credit exposures is reported as an other liability on our Consolidated Balance Sheet and is increased or decreased via other noninterest expense on our Consolidated Statement of Income. The calculation includes consideration of the likelihood that funding will occur and forecasted credit losses on commitments expected to be funded over their estimated lives. The allowance is calculated using the same aggregate reserve rates calculated for the funded portion of loans at the portfolio level applied to the amount of commitments expected to be funded. For commercial lines of credit, retail lines of credit and credit card average outstanding balances, we determined allowance requirements by calculating the difference between the average percent outstanding of the funded commitments over the past several years to actual percent outstanding at period end and applying the respective expected loss allocation factors to the difference as this difference represents the average of unfunded commitments we expect to eventually be drawn upon. For commitments to make loans, we determine an allowance by applying the expected loss allocation factor to the amount expected to fund. The calculated allowance aggregated $1.3 million and $0.1 million as of December 31, 2023 December 31, 2022, not one NOTE 12 COMMITMENTS AND OFF-BALANCE-SHEET RISK At year-end 2023 2022 Our maximum exposure to credit losses for loan commitments and standby letters of credit outstanding at year end was as follows: (Dollars in thousands) 2023 2022 Commercial unused lines of credit $ 1,557,429 $ 1,283,703 Unused lines of credit secured by 1 – 4 family residential properties 74,120 71,972 Credit card unused lines of credit 142,096 123,687 Other consumer unused lines of credit 50,063 75,747 Commitments to make loans 270,403 329,646 Standby letters of credit 19,393 23,539 Total commitments $ 2,113,504 $ 1,908,294 Commitments to make commercial loans generally reflect our binding obligations to existing and prospective customers to extend credit, including line of credit facilities secured by accounts receivable and inventory, and term debt secured by either real estate or equipment. In most instances, commercial line of credit facilities have terms ranging from 12 to 24 months with floating rates tied to the Wall Street Journal Prime Rate or 30 30 fourth 2020, not $2.5 $2.5 five 30 three seven January 1, 2022, 30 30 30 June 30, 2023 The following standby letters of credit are considered financial guarantees under current accounting guidance. These instruments are carried at fair value as an other liability on our Consolidated Balance Sheets. Standby letters of credit are generally cross collateralized with the borrowers’ other loans with us, and are included in our borrower collateral analyses. (Dollars in thousands) December 31, 2023 December 31, 2022 Contract Carrying Contract Carrying Amount Value Amount Value Standby letters of credit $ 19,393 $ 99 $ 23,539 $ 108

Note 13 - Benefit Plans

Note 13 - Benefit Plans	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Retirement Benefits [Text Block]	NOTE 13 BENEFIT PLANS We have a 401 401 April 1, 2018. 2023 2022 2021 401 We have a deferred compensation plan in which all persons serving on the Board of Directors may may December 31, 2023 2022, 2023, 2022 2021 The Mercantile Bank Corporation Employee Stock Purchase Plan of 2014 may may 2023 2022 December 31, 2023

Note 14 - Derivatives and Hedgi

Note 14 - Derivatives and Hedging Activities	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	NOTE 14 DERIVATIVES AND HEDGING ACTIVITIES We are exposed to certain risks arising from both business operations and economic conditions. We principally manage the exposure to a wide variety of operational risks through core business activities. Economic risks, including interest rate, liquidity and credit risk, are primarily administered via the amount, sources and duration of assets and liabilities. Derivative financial instruments may Derivatives not not As the interest rate swaps associated with this program do not NOTE 14 DERIVATIVES AND HEDGING ACTIVITIES The fair values of derivative instruments as of December 31, 2023 (Dollars in thousands) Notional Amount Balance Sheet Location Fair Value Derivative Assets Interest rate swaps $ 676,526 Other Assets $ 27,505 Derivative Liabilities Interest rate swaps 674,499 Other Liabilities 27,964 The effect of interest rate swaps that are not December 31, 2023 not December 31, 2023 Gross Amounts Not Offset on the Consolidated Balance Sheet (Dollars in thousands) Net Amounts Recognized Financial Instruments Cash Collateral Received or posted Net Amount Derivative Assets Interest rate swaps $ 27,505 $ 5,175 $ 14,010 $ 8,320 Derivative Liabilities Interest rate swaps 27,964 $ 5,175 3,120 $ 19,669 NOTE 14 DERIVATIVES AND HEDGING ACTIVITIES The fair values of derivative instruments as of December 31, 2022 (Dollars in thousands) Notional Amount Balance Sheet Location Fair Value Derivative Assets Interest rate swaps $ 401,572 Other Assets $ 26,173 Derivative Liabilities Interest rate swaps 401,572 Other Liabilities 26,377 The effect of interest rate swaps that are not December 31, 2022 December 31, 2022 Gross Amounts Not Offset on the Consolidated Balance Sheet (Dollars in thousands) Net Amounts Recognized Financial Instruments Cash Collateral Received or posted Net Amount Derivative Assets Interest rate swaps $ 26,173 $ 415 $ 24,760 $ 998 Derivative Liabilities Interest rate swaps 26,377 $ 415 0 $ 25,962

Note 15 - Fair Values of Financ

Note 15 - Fair Values of Financial Instruments	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Fair Value Disclosures [Text Block]	NOTE 15 FAIR VALUES OF FINANCIAL INSTRUMENTS Carrying amount, estimated fair value and level within the fair value hierarchy of financial instruments were as follows at year end: Level in 2023 2022 Fair Value Carrying Fair Carrying Fair (Dollars in thousands) Hierarchy Amount Value Amount Value Financial assets Cash and cash equivalents Level 1 $ 130,533 $ 130,533 $ 96,772 $ 96,772 Securities available for sale (1) 617,092 617,092 602,936 602,936 Federal Home Loan Bank stock (2) 21,513 21,513 17,721 17,721 Loans, net Level 3 4,253,844 4,191,644 3,874,373 3,800,042 Mortgage loans held for sale Level 2 18,607 19,027 3,565 3,643 Accrued interest receivable Level 2 19,806 19,806 15,476 15,476 Interest rate swaps Level 2 27,505 27,505 26,173 26,173 Financial liabilities Deposits Level 2 3,900,918 3,814,778 3,712,811 3,379,403 Securities sold under agreements to repurchase Level 2 229,734 229,734 194,340 194,340 Federal Home Loan Bank advances Level 2 467,910 454,857 308,263 292,044 Subordinated debentures Level 2 49,644 49,653 48,958 49,531 Subordinated notes Level 2 88,971 77,218 88,628 75,024 Accrued interest payable Level 2 9,012 9,012 3,223 3,223 Interest rate swaps Level 2 27,964 27,964 26,377 26,377 ( 1 See Note 16 ( 2 It is not Carrying amount is the estimated fair value for cash and cash equivalents, FHLBI stock, accrued interest receivable and payable, noninterest-bearing checking accounts and securities sold under agreements to repurchase. Security fair values are based on market prices or dealer quotes, and if no 2016 01,

Note 16 - Fair Value Measuremen

Note 16 - Fair Value Measurements	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]	NOTE 16 FAIR VALUE MEASUREMENTS Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. A fair value measurement assumes that the transaction to sell the asset or transfer the liability occurs in the principal market for the asset or liability, or in the absence of a principal market, the most advantageous market for the asset or liability. The price of the principal (or most advantageous) market used to measure the fair value of the asset or liability is not not We are required to use valuation techniques that are consistent with the market approach, the income approach and/or the cost approach. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets and liabilities. The income approach uses valuation techniques to convert future amounts, such as cash flows or earnings, to a single present amount on a discounted basis. The cost approach is based on the amount that currently would be required to replace the service capacity of an asset (replacement cost). Valuation techniques should be consistently applied. Inputs to valuation techniques refer to the assumptions that market participants would use in pricing the asset or liability. Inputs may Level 1: Level 2: 1 not Level 3: The following is a description of our valuation methodologies used to measure and disclose the fair values of our financial assets and liabilities on a recurring or nonrecurring basis: Securities available for sale. not 2 3 December 31, 2023 2022 1 NOTE 16 FAIR VALUE MEASUREMENTS Derivatives. Mortgage loans held for sale. December 31, 2023 2022 Loans. not Foreclosed assets. NOTE 16 FAIR VALUE MEASUREMENTS Assets and Liabilities Measured at Fair Value on a Recurring Basi The balances of assets and liabilities measured at fair value on a recurring basis as of December 31, 2023 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 390,496 $ 0 $ 390,496 $ 0 Mortgage-backed securities 29,473 0 29,473 0 Municipal general obligation bonds 167,860 0 167,347 513 Municipal revenue bonds 28,763 0 28,763 0 Other investments 500 0 500 0 Interest rate swaps 27,505 0 27,505 0 Total assets $ 644,597 $ 0 $ 644,084 $ 513 Interest rate swaps 27,964 0 27,964 0 Total liabilities $ 27,964 $ 0 $ 27,964 $ 0 There were no 3 2023 3 2023 The balances of assets and liabilities measured at fair value on a recurring basis as of December 31, 2022 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 388,744 $ 0 $ 388,744 $ 0 Mortgage-backed securities 31,953 0 31,953 0 Municipal general obligation bonds 154,433 0 153,855 578 Municipal revenue bonds 27,306 0 27,306 0 Other investments 500 0 500 0 Interest rate swaps 26,173 0 26,173 0 Total assets $ 629,109 $ 0 $ 628,531 $ 578 Interest rate swaps 26,377 0 26,377 0 Total liabilities $ 26,377 $ 0 $ 26,377 $ 0 NOTE 16 FAIR VALUE MEASUREMENTS There were no 3 2022 3 2022 Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis The balances of assets and liabilities measured at fair value on a nonrecurring basis as of December 31, 2023 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Collateral dependent loans $ 1,434 $ 0 $ 0 $ 1,434 Foreclosed assets 200 0 0 200 Total $ 1,634 $ 0 $ 0 $ 1,634 The balances of assets and liabilities measured at fair value on a nonrecurring basis as of December 31, 2022 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Collateral dependent loans $ 5,290 $ 0 $ 0 $ 5,290 The carrying values are based on the estimated value of the property or other assets. Fair value estimates of collateral on collateral dependent loans and foreclosed assets are review periodically. Our credit policies establish criteria for obtaining appraisals and determining internal value estimates. We may may

Note 17 - Earnings Per Share

Note 17 - Earnings Per Share	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 17 EARNINGS PER SHARE Basic earnings per share is based on the weighted average number of common shares and participating securities outstanding during the period. Diluted earnings per share include the dilutive effect of additional potential common shares issuable under our stock-based compensation plans and are determined using the treasury stock method. Our unvested restricted shares, which contain non-forfeitable rights to dividends whether paid or accrued (i.e., participating securities), are included in the number of shares outstanding for both basic and diluted earnings per share calculations. In the event of a net loss, our unvested restricted shares are excluded from the calculation of both basic and diluted earnings per share. Stock options for approximately 5,000 and 7,000 shares of common stock were antidilutive and were not 2022 2021 The factors used in the earnings per share computation follow: (Dollars in thousands, except share and per share amounts) 2023 2022 2021 Basic Net income attributable to common shares $ 82,217 $ 61,063 $ 59,021 Weighted average common shares outstanding 16,015,678 15,859,889 15,986,857 Basic earnings per common share $ 5.13 $ 3.85 $ 3.69 Diluted Net income attributable to common shares $ 82,217 $ 61,063 $ 59,021 Weighted average common shares outstanding for basic earnings per common share 16,015,678 15,859,889 15,986,857 Add: Dilutive effects of share-based awards 0 12 446 Average shares and dilutive potential common shares 16,015,678 15,859,901 15,987,303 Diluted earnings per common share $ 5.13 $ 3.85 $ 3.69

Note 18 - Variable Interest Ent

Note 18 - Variable Interest Entities	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Variable Interest Entity Disclosure [Text Block]	NOTE 18 VARIABLE INTEREST ENTITIES Variable interest entities ("VIEs") are entities that either have a total equity investment that is insufficient to permit the entity to finance its activities without additional subordinated financial support or whose equity investors lack the characteristics of a controlling financial interest (i.e., ability to make significant decisions, through voting rights, right to receive the expected residual returns of the entity, and obligations to absorb the expected losses of the entity). Variable interest entities can be structured as corporations, trusts, partnerships, or other legal entities. We have relationships with certain variable interest entities related to the issuance of trust preferred securities and our tax credit investments. We have five business trusts that are wholly-owned subsidiaries of Mercantile, four of which were assumed by Mercantile in conjunction with the Firstbank merger in 2014. 12 NOTE 18 VARIABLE INTEREST ENTITIES The assets, liabilities, operations and cash flows of each trust are solely related to the issuance, administration and repayment of the preferred securities held by third not not not not not The only significant assets of our trusts are the Floating Rate Notes, and the only significant liabilities of our trusts are the Preferred Securities. The Floating Rate Notes are categorized on our Consolidated Balance Sheets as subordinated debentures and the interest expense is recorded on our Consolidated Statements of Income under interest expense on other borrowings. On January 26, 2016, The following table depicts our five December 31, 2023 (Dollars in thousands) Preferred Securities Trust Name Outstanding Interest Rate Maturity Date Mercantile Bank Capital Trust I $ 21,000 3 Month SOFR + 218 bps September 16, 2034 Firstbank Capital Trust I $ 10,000 3 Month SOFR + 199 bps October 18, 2034 Firstbank Capital Trust II $ 10,000 3 Month SOFR + 127 bps April 7, 2036 Firstbank Capital Trust III $ 7,500 3 Month SOFR + 135 bps July 30, 2037 Firstbank Capital Trust IV $ 7,500 3 Month SOFR + 135 bps July 30, 2037 MCP makes equity investments as a limited liability member in affordable housing projects utilizing the Low-Income Housing Tax Credit (“LIHTC”) pursuant to Section 42 47 The LIHTC and HTC investment entities are considered VIEs as MCP, or our bank, whomever is the holder of the equity investment at risk, does not Equity investments as a limited liability member in LIHTC and HTC investment entities, reported as other assets in the Consolidated Balance Sheets, totaled $25.7 million and $3.2 million as of December 31, 2023 December 31, 2022, December 31, 2023 December 31, 2022, The following table summarizes quantitative information about our involvement in unconsolidated variable interest entities at year end: 2023 2022 Aggregate Aggregate Aggregate Aggregate (Dollars in thousands) Assets Liabilities Risk of Loss Assets Liabilities Risk of Loss Trust preferred securities $ 58,074 $ 56,000 $ 2,074 $ 58,100 $ 56,000 $ 2,100 Tax Credit Equity Investments 25,659 21,103 4,556 3,214 1,375 1,839

Note 19 - Subordinated Notes

Note 19 - Subordinated Notes	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Subordinated Borrowings Disclosure [Text Block]	NOTE 19 SUBORDINATED NOTES On December 15, 2021, January 30, 2032, January 30, 2027 not January 29, 2027. January 30, 2027 January 30, 2032, December 15, 2021, On January 14, 2022, $75.0 December 15, 2021. January 14, 2022, Our unamortized debt issuance costs were $1.0 million and $1.4 million as of December 31, 2023 2022,

Note 20 - Regulatory Matters

Note 20 - Regulatory Matters	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Regulatory Capital Requirements under Banking Regulations [Text Block]	NOTE 20 We are subject to regulatory capital requirements administered by federal banking agencies. Capital adequacy guidelines and prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators about components, risk weightings, and other factors, and the regulators can lower classifications in certain cases. Failure to meet various capital requirements can initiate regulatory action that could have a direct material effect on the financial statements. The prompt corrective action regulations provide five not not no may may 2023 2022 no December 31, 2023 NOTE 20 Our actual capital levels and minimum required levels at year-end 2023 2022 Minimum Required to be Well Minimum Required Capitalized Under for Capital Prompt Corrective Actual Adequacy Purposes Action Regulations (Dollars in thousands) Amount Ratio Amount Ratio Amount Ratio 2023 Total capital (to risk weighted assets) Consolidated $ 710,905 13.7 % $ 415,841 8.0 % $ NA NA % Bank 694,431 13.4 414,019 8.0 517,524 10.0 Tier 1 capital (to risk weighted assets) Consolidated 570,730 11.0 311,881 6.0 NA NA Bank 643,227 12.4 310,514 6.0 414,019 8.0 Common equity (to risk weighted assets) Consolidated 523,160 10.1 233,911 4.5 NA NA Bank 643,227 12.4 232,886 4.5 336,391 6.5 Tier 1 capital (to average assets) Consolidated 570,730 10.8 210,527 4.0 NA NA Bank 643,227 12.2 210,427 4.0 263,034 5.0 2022 Total capital (to risk weighted assets) Consolidated $ 634,729 14.0 % $ 362,675 8.0 % NA NA Bank 618,709 13.7 362,490 8.0 453,112 10.0 Tier 1 capital (to risk weighted assets) Consolidated 503,855 11.1 272,007 6.0 NA NA Bank 576,463 12.7 271,868 6.0 362,490 8.0 Common equity (to risk weighted assets) Consolidated 456,970 10.1 204,005 4.5 NA NA Bank 576,463 12.7 203,901 4.5 294,523 6.5 Tier 1 capital (to average assets) Consolidated 503,855 10.1 199,647 4.0 NA NA Bank 576,463 11.6 199,563 4.0 249,453 5.0 NOTE 20 REGULATORY MATTERS Under the final BASEL III capital rules that became effective on January 1, 2015, 1 not three 2016. 1 1 January 1, 2019. December 31, 2023 Federal and state banking laws and regulations place certain restrictions on the amount of dividends our bank can transfer to Mercantile and on the capital levels that must be maintained. At year-end 2023, January 12, 2023, March 15, 2023 March 3, 2023. April 13, 2023, $0.33 June 14, 2023 June 2, 2023. July 13, 2023, September 13, 2023 September 1, 2023. October 12, 2023, December 13, 2023 December 1, 2023. As of December 31, 2023 May 2021. 2023 2022. may Our consolidated capital levels as of December 31, 2023 2022 may 1 not 1 not May 19, 2010, December 31, 2009 December 31, 2023 2022 1

Note 21 - Mercantile Bank Corpo

Note 21 - Mercantile Bank Corporation (Parent Company Only) Condensed Financial Statements	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Condensed Financial Information of Parent Company Only Disclosure [Text Block]	NOTE 21 MERCANTILE BANK CORPORATION (PARENT COMPANY ONLY) CONDENSED FINANCIAL STATEMENTS CONDENSED BALANCE SHEETS (Dollars in thousands) 2023 2022 ASSETS Cash and cash equivalents $ 18,969 $ 18,633 Investments in bank subsidiaries 627,604 543,599 Other assets 17,228 19,786 Total assets $ 663,801 $ 582,018 LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities $ 3,040 $ 3,024 Subordinated debentures 49,644 48,958 Subordinated notes 88,971 88,628 Shareholders’ equity 522,146 441,408 Total liabilities and shareholders’ equity $ 663,801 $ 582,018 CONDENSED STATEMENTS OF INCOME (Dollars in thousands) 2023 2022 2021 Income Interest and dividends from subsidiaries $ 26,660 $ 26,056 $ 39,058 Total income 26,660 26,056 39,058 Expenses Interest expense 8,091 6,104 1,934 Other operating expenses 5,674 5,645 5,831 Total expenses 13,765 11,749 7,765 Income before income tax benefit and equity in undistributed net income of subsidiary 12,895 14,307 31,293 Federal income tax benefit (2,858 ) (2,535 ) (1,653 ) Equity in undistributed net income of subsidiary 66,464 44,221 26,075 Net income $ 82,217 $ 61,063 $ 59,021 Other comprehensive income (loss) 14,854 (61,612 ) (9,215 ) Comprehensive income (loss) $ 97,071 $ (549 ) $ 49,806 NOTE 21 MERCANTILE BANK CORPORATION (PARENT COMPANY ONLY) CONDENSED FINANCIAL STATEMENTS CONDENSED STATEMENTS OF CASH FLOWS (Dollars in thousands) 2023 2022 2021 Cash flows from operating activities Net income $ 82,217 $ 61,063 $ 59,021 Adjustments to reconcile net income to net cash from operating activities: Equity in undistributed net income of subsidiary (66,464 ) (44,221 ) (26,075 ) Stock-based compensation expense 3,384 3,377 3,784 Stock grants to directors for retainer fees 350 359 344 Change in other assets (128 ) 858 49 Change in other liabilities 1,045 1,636 (5 ) Net cash from operating activities 20,404 23,072 37,118 Cash flows from investing activities Net capital investment into subsidiaries 0 (15,000 ) (70,000 ) Net cash for investing activities 0 (15,000 ) (70,000 ) Cash flows from financing activities Stock option exercises, net of cashless exercises 0 36 50 Employee stock purchase plan 45 45 48 Dividend reinvestment plan 891 867 877 Net proceeds from subordinated notes issuance 0 14,645 73,635 Repurchase of common shares 0 0 (21,380 ) Cash dividends on common stock (21,004 ) (19,602 ) (18,524 ) Net cash (for) from financing activities (20,068 ) (4,009 ) 34,706 Net change in cash and cash equivalents 336 4,063 1,824 Cash and cash equivalents at beginning of period 18,633 14,570 12,746 Cash and cash equivalents at end of period $ 18,969 $ 18,633 $ 14,570

Note 22 - Subsequent Events

Note 22 - Subsequent Events	12 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 22 SUBSEQUENT EVENTS On January 11, 2024 March 13, 2024 March 1, 2024

Significant Accounting Policies

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2023
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	Principles of Consolidation Mercantile has five separate business trusts: Mercantile Bank Capital Trust I, Firstbank Capital Trust I, Firstbank Capital Trust II, Firstbank Capital Trust III and Firstbank Capital Trust IV (“our trusts”). Our trusts were formed to issue trust preferred securities. We issued subordinated debentures to our trusts in return for the proceeds raised from the issuance of the trust preferred securities. Our trusts are not
Nature of Operation [Policy Text Block]	Nature of Operations July 15, 1997 December 15, 1997. June 1, 2014. Mercantile is a financial holding company whose principal activity is the ownership and management of our bank and operates a single significant business segment. Our bank is a community-based financial institution. Our bank’s primary deposit products are checking, savings, and term certificate accounts, and its primary lending products are commercial loans, residential mortgage loans, and instalment loans. Substantially all loans are secured by specific items of collateral including business assets, real estate or consumer assets. Commercial loans are expected to be repaid from cash flow from operations of businesses. Real estate loans are secured by commercial or residential real estate. We have no one Our insurance company acquired an existing shelf insurance agency effective April 15, 2002. not no We have evaluated subsequent events for potential recognition and/or disclosure through the date these financial statements were issued.
Use of Estimates, Policy [Policy Text Block]	Use of Estimates
Effect of Covid-19 Pandemic, Policy [Policy Text Block]	Coronavirus Pandemic: 2019 19” 2 March, 2020. March, 2022. 2021 2022 The Paycheck Protection Program (“PPP”) reflected a substantial expansion of the Small Business Administration’s 100% 7 100% 100% 1.00%, August 8, 2020. December 31, 2023 four 2021 $284 May 31, 2021. December 31, 2023
Cash and Cash Equivalents, Policy [Policy Text Block]	Cash and Cash Equivalents and Cash Flow Reporting 90
Marketable Securities, Policy [Policy Text Block]	Debt Securities first not not not Changes in the allowance are recorded as provisions for (or reversal of) credit loss expense. Losses are charged against the allowance when the collectability of an available for sale debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. At December 31, 2023 no Interest income includes amortization of purchase premiums and accretion of discounts. Premiums and discounts on securities are amortized or accreted on the level-yield method without anticipating prepayments, except for mortgage-backed securities where prepayments are anticipated. Gains and losses on sales are recorded on the trade date and determined using the specific identification method. Accrued interest receivable on available for sale debt securities totaling $2.6 million and $2.5 million at December 31, 2023 2022,
Federal Home Loan Bank Stock, Policy [Policy Text Block]	Federal Home Loan Bank Stock may
Financing Receivable, Held-for-Investment [Policy Text Block]	Loans Interest income is accrued on the unpaid principal balance. Loan origination fees, net of certain direct origination costs, are deferred and recognized in interest income using the level-yield method without anticipating prepayments. Net unamortized deferred loan costs amounted to $2.4 million and $1.0 million at December 31, 2023 2022, Interest income on commercial loans and mortgage loans is discontinued at the time the loan is 90 days delinquent unless the loan is well-secured and in process of collection. Consumer and credit card loans are typically charged off no not
Commercial Loan Participations [Policy Text Block]	Commercial Loan Participations no no December 31, 2023 2022
Financing Receivable, Held-for-Sale [Policy Text Block]	Loans Held for Sale Year-end mortgage loans held for sale were as follows: (Dollars in thousands) 2023 2022 Mortgage loans held for sale $ 18,607 $ 3,565 Less: Allowance to adjust to lower of cost or market 0 0 Mortgage loans held for sale, net $ 18,607 $ 3,565
Mortgage Loan Derivatives, Policy [Policy Text Block]	Mortgage Loan Derivatives not December 31, 2023 December 31, 2022.
Mortgage Banking Activity [Policy Text Block]	Mortgage Banking Activities Servicing fee income is recorded for fees earned for servicing mortgage loans. The fees are based on a contractual percentage of the outstanding principal or a fixed amount per loan and are recorded as income when earned. Amortization of mortgage loan servicing rights is netted against mortgage loan servicing income and recorded in mortgage banking activities in the Consolidated Statements of Income. Accounting for mortgage servicing rights is based on the class of mortgage servicing rights. We have identified four 10 15 20 30 Interest rate risk, prepayment risk and default risk are inherent in mortgage servicing rights valuation. Interest rate changes largely drive prepayment rates. Refinance activity generally increases as interest rates decline. A significant decrease in interest rates beyond expectation could cause a decline in the value of mortgage servicing rights. On the contrary, borrowers are less likely to refinance or prepay their mortgage loans if interest rates increase, which would extend the duration of the underlying mortgage loans and the associated mortgage servicing rights value would likely rise. Because of these risks, discount rates and prepayment speeds are used to estimate the fair value of mortgage servicing rights.
Troubled Debt Restructuring [Policy Text Block]	Troubled Debt Restructurings 310 40, No. 2022 02 326 January 1, 2023. No. 2022 02 No. 2022 02 Prior to the adoption of ASU No. 2022 02, not may In accordance with previous accounting guidance, loans modified as troubled debt restructurings were, by definition, considered to be impaired loans. Impairment for these loans were measured on a loan-by-loan basis. Certain loans modified as troubled debt restructurings may may two no
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]	Allowance for Credit Losses ( “ Allowance ” ) 3 The “remaining life methodology” is utilized for substantially all loan pools. This non-discounted cash flow approach projects an estimated future amortized cost basis based on current loan balance and repayment terms. Our historical loss rate is then applied to future loan balances at the instrument level based on remaining contractual life adjusted for amortization, prepayment and default to develop a baseline lifetime loss. The baseline lifetime loss is adjusted for changes in macroeconomic conditions over the reasonable and supportable forecast and reversion periods via a series of macroeconomic forecast inputs, such as gross domestic product, unemployment rates, interest rates, credit spreads, stock market volatility and property price indices, to quantify the impact of current and forecasted economic conditions on expected loan performance. Reasonable and supportable economic forecasts have to be incorporated in determining expected credit losses. The forecast period represents the time frame from the current period end through the point in time that we can reasonably forecast and support entity and environmental factors that are expected to impact the performance of our loan portfolio. Ideally, the economic forecast period would encompass the contractual terms of all loans; however, the ability to produce a forecast that is considered reasonable and supportable becomes more difficult or may not Subsequent to the end of the forecast period, we revert to historical loan data based on an ongoing evaluation of each economic forecast in relation to then current economic conditions as well as any developing loan loss activity and resulting historical data. We are not third During each reporting period, we also consider the need to adjust the historical loss rates as determined to reflect the extent to which we expect current conditions and reasonable and supportable economic forecasts to differ from the conditions that existed for the period over which the historical loss information was determined. These qualitative adjustments may Our qualitative factors include: o Changes in lending policies and procedures o Changes in the nature and volume of the loan portfolio and in the terms of loans o Changes in the experience, ability and depth of lending management and other relevant staff o Changes in the volume and severity of past due loans, nonaccrual loans and adversely classified loans o Changes in the quality of the loan review program o Changes in the value of underlying collateral dependent loans o Existence and effect of any concentrations of credit and any changes in such o Effect of other factors such as competition and legal and regulatory requirements o Local or regional conditions that depart from the conditions and forecasts for the entire country The estimation of future credit losses should reflect consideration of all significant factors that affect the collectibility of the loan portfolio at each evaluation date. While our methodology considers both the historical loss rates as well as the traditional qualitative factors, there may January 1, 2022, Accrued interest receivable on loans totaling $16.9 million and $12.8 million as of December 31, 2023 2022, not 90 Identified problem loans, which exhibit characteristics (financial or otherwise) that could cause the loans to become nonperforming or require restructuring in the future, are included on an internal watch list. Senior management and the Board of Directors review this list regularly. In some cases, we may For individually analyzed loans which are deemed to be collateral dependent loans, we adopted the practical expedient to measure the allowance based on the fair value of collateral. The allowance is calculated on an individual loan basis based on the shortfall between the fair value of the loan’s collateral and the recorded principal balance. If the fair value of the collateral exceeds the recorded principal balance, no may may We are also required to consider expected credit losses associated with loan commitments over the contractual period in which we are exposed to credit risk on the underlying commitments unless the obligation is unconditionally cancellable by us. Any allowance for off-balance sheet credit exposures is reported as an other liability on our Consolidated Balance Sheets and is increased or decreased via other noninterest expense on our Consolidated Statement of Income. The calculation includes consideration of the likelihood that funding will occur and forecasted credit losses on commitments expected to be funded over their estimated lives. The allowance is calculated using the same aggregate reserve rates calculated for the funded portion of loans at the portfolio level applied to the amount of commitments expected to be funded.
Transfers and Servicing of Financial Assets, Policy [Policy Text Block]	Transfers of Financial Assets 1 2 3 not
Property, Plant and Equipment, Policy [Policy Text Block]	Premises and Equipment 5 33 3 7 may not
Financing Receivable, Held-for-Investment, Foreclosed Asset [Policy Text Block]	Foreclosed Assets: December 31, 2023 2022,
Bank Owned Life Insurance, Policy [Policy Text Block]	Bank Owned Life Insurance: not
Goodwill and Intangible Assets, Policy [Policy Text Block]	Goodwill third October 1 not October 1, October 1, 2023; not
Repurchase and Resale Agreements Policy [Policy Text Block]	Repurchase Agreements
Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block]	Financial Instruments and Loan Commitments
Share-Based Payment Arrangement [Policy Text Block]	Stock-Based Compensation
Revenue from Contract with Customer [Policy Text Block]	Revenue from Contracts with Customers 606, 606” 606, not Our primary sources of revenue are derived from interest and dividends earned on loans, securities and other financial instruments that are not 606. not We generally satisfy our performance obligations on contracts with customers as services are rendered, and the transaction prices are typically fixed and charged either on a periodic basis (generally monthly) or based on activity. Because performance obligations are satisfied as services are rendered and the transaction prices are fixed, there is little judgment involved in applying Topic 606 The following table depicts our sources of noninterest income presented in the Consolidated Statements of Income for the years ended December 31, 2023, 2022 2021 606: (Dollars in thousands) 2023 2022 2021 Service charges on deposit and sweep accounts $ 4,954 $ 5,952 $ 5,078 Credit and debit card fees 8,914 8,216 7,516 Payroll processing 2,509 2,178 1,815 Customer service fees 801 852 857 Service Charges on Deposit and Sweep Accounts: Credit and Debit Card Fees: Payroll Processing Fees: Customer Service Fees:
Advertising Cost [Policy Text Block]	Advertising Costs
Income Tax, Policy [Policy Text Block]	Income Taxes
Fair Value of Financial Instruments, Policy [Policy Text Block]	Fair Values of Financial Instruments not not
Earnings Per Share, Policy [Policy Text Block]	Earnings Per Share
Comprehensive Income, Policy [Policy Text Block]	Comprehensive Income (Loss) December 31, 2023, 2022, 2021: (Dollars in thousands) 2023 2022 2021 Unrealized gains (losses) on securities available for sale $ (63,906 ) $ (82,710 ) $ (4,720 ) Tax effect 13,419 17,369 991 Accumulated other comprehensive gain/(loss) $ (50,487 ) $ (65,341 ) $ (3,729 )
Derivatives, Policy [Policy Text Block]	Derivatives not not no December 31, 2023 2022
Commitments and Contingencies, Policy [Policy Text Block]	Contingencies: not
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Changes Adopted No. 2016 13, Measurement of Credit Losses on Financial Instruments 2018 19 not January 1, 2022 January 1, 2022 ASU No. 2022 02, Troubled Debt Restructurings and Vintage Disclosures 310 40, December 15, 2022. ASU 2023 02 Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method January 1, 2023 December 31, 2022 2021 December 31, 2023, 18, Variable Interest Entities,

Note 1 - Summary of Significa_2

Note 1 - Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Mortgage Loans Held for Sale [Table Text Block]	(Dollars in thousands) 2023 2022 Mortgage loans held for sale $ 18,607 $ 3,565 Less: Allowance to adjust to lower of cost or market 0 0 Mortgage loans held for sale, net $ 18,607 $ 3,565
Revenue from External Customers by Products and Services [Table Text Block]	(Dollars in thousands) 2023 2022 2021 Service charges on deposit and sweep accounts $ 4,954 $ 5,952 $ 5,078 Credit and debit card fees 8,914 8,216 7,516 Payroll processing 2,509 2,178 1,815 Customer service fees 801 852 857
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]	(Dollars in thousands) 2023 2022 2021 Unrealized gains (losses) on securities available for sale $ (63,906 ) $ (82,710 ) $ (4,720 ) Tax effect 13,419 17,369 991 Accumulated other comprehensive gain/(loss) $ (50,487 ) $ (65,341 ) $ (3,729 )

Note 2 - Securities (Tables)

Note 2 - Securities (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Debt Securities, Available-for-Sale [Table Text Block]	Gross Gross Amortized Unrealized Unrealized Fair (Dollars in thousands) Cost Gains Losses Value 2023 U.S. Government agency debt obligations $ 442,496 $ 0 $ (52,000 ) $ 390,496 Mortgage-backed securities 35,168 20 (5,715 ) 29,473 Municipal general obligation bonds 172,126 1,924 (6,190 ) 167,860 Municipal revenue bonds 30,708 262 (2,207 ) 28,763 Other investments 500 0 0 500 $ 680,998 $ 2,206 $ (66,112 ) $ 617,092 2022 U.S. Government agency debt obligations $ 453,836 $ 0 $ (65,092 ) $ 388,744 Mortgage-backed securities 38,002 19 (6,068 ) 31,953 Municipal general obligation bonds 163,041 450 (9,058 ) 154,433 Municipal revenue bonds 30,267 102 (3,063 ) 27,306 Other investments 500 0 0 500 $ 685,646 $ 571 $ (83,281 ) $ 602,936
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]	Less than 12 Months 12 Months or More Total (Dollars in thousands) Fair Unrealized Fair Unrealized Fair Unrealized Description of Securities Value Loss Value Loss Value Loss 2023 U.S. Government agency debt obligations $ 0 $ 0 $ 390,496 $ 52,000 $ 390,496 $ 52,000 Mortgage-backed securities 114 0 28,749 5,715 28,863 5,715 Municipal general obligation bonds 1,109 6 106,171 6,184 107,280 6,190 Municipal revenue bonds 1,506 8 20,602 2,199 22,108 2,207 Other investments 0 0 0 0 0 0 $ 2,729 $ 14 $ 546,018 $ 66,098 $ 548,747 $ 66,112 2022 U.S. Government agency debt obligations $ 53,019 $ 5,713 $ 335,725 $ 59,379 $ 388,744 $ 65,092 Mortgage-backed securities 31,127 6,068 12 0 31,139 6,068 Municipal general obligation bonds 97,252 4,516 32,870 4,542 130,122 9,058 Municipal revenue bonds 12,532 1,141 10,609 1,922 23,141 3,063 Other investments 0 0 0 0 0 0 $ 193,930 $ 17,438 $ 379,216 $ 65,843 $ 573,146 $ 83,281
Investments Classified by Contractual Maturity Date [Table Text Block]	Amortized Fair (Dollars in thousands) Cost Value Due in one year or less $ 57,724 $ 56,289 Due from one to five years 261,591 241,758 Due from five to ten years 279,722 243,791 Due after ten years 46,293 45,281 Mortgage-backed securities 35,168 29,473 Other investments 500 500 $ 680,998 $ 617,092

Note 3 - Loans and Allowance _2

Note 3 - Loans and Allowance for Credit Losses (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	Percent December 31, 2023 December 31, 2022 Increase (Dollars in thousands) Balance % Balance % (Decrease) Commercial: Commercial and industrial (1) $ 1,254,586 29.2 % $ 1,185,083 30.3 % 5.9 % Vacant land, land development, and residential construction 74,753 1.7 61,873 1.6 20.8 Real estate – owner occupied 717,667 16.7 639,192 16.3 12.3 Real estate – non-owner occupied (3) 1,035,684 24.1 979,214 25.0 5.8 Real estate – multi-family and residential rental (3) 332,609 7.7 266,468 6.8 24.8 Total commercial 3,415,299 79.4 3,131,830 80.0 9.1 Retail: 1-4 family mortgages (2) 837,406 19.5 755,036 19.3 10.9 Other consumer loans (1) 51,053 1.1 29,753 0.7 71.6 Total retail 888,459 20.6 784,789 20.0 13.2 Total loans $ 4,303,758 100.0 % $ 3,916,619 100.0 % 9.9 %
Concentrations Within Loan Portfolio [Table Text Block]	2023 2022 Percentage Percentage of of Loan Loan (Dollars in thousands) Balance Portfolio Balance Portfolio Commercial real estate loans to lessors of non-residential buildings $ 754,611 17.5 % $ 738,891 18.9 %
Financing Receivable, Past Due [Table Text Block]	Recorded Greater Balance > 30 59 60 89 Than 89 89 Days Days Days Total Total Days and (Dollars in thousands) Past Due Past Due Past Due Past Due Current Loans Accruing Commercial: Commercial and industrial $ 4 $ 0 $ 249 $ 253 $ 1,254,333 $ 1,254,586 $ 0 Vacant land, land development, and residential construction 0 0 0 0 74,753 74,753 0 Real estate – owner occupied 0 0 70 70 717,597 717,667 0 Real estate – non-owner occupied 0 0 0 0 1,035,684 1,035,684 0 Real estate – multi-family and residential rental 0 0 0 0 332,609 332,609 0 Total commercial 4 0 319 323 3,414,976 3,415,299 0 Retail: 1-4 family mortgages 934 145 38 1,117 836,289 837,406 0 Other consumer loans 97 0 0 97 50,956 51,053 0 Total retail 1,031 145 38 1,214 887,245 888,459 0 Total past due loans $ 1,035 $ 145 $ 357 $ 1,537 $ 4,302,221 $ 4,303,758 $ 0 Recorded Greater Balance > 30 59 60 89 Than 89 89 Days Days Days Total Total Days and (Dollars in thousands) Past Due Past Due Past Due Past Due Current Loans Accruing Commercial: Commercial and industrial $ 0 $ 5,705 $ 249 $ 5,954 $ 1,179,129 $ 1,185,083 $ 0 Vacant land, land development, and residential construction 0 0 0 0 61,873 61,873 0 Real estate – owner occupied 0 248 0 248 638,944 639,192 0 Real estate – non-owner occupied 0 0 0 0 979,214 979,214 0 Real estate – multi-family and residential rental 0 0 0 0 266,468 266,468 0 Total commercial 0 5,953 249 6,202 3,125,628 3,131,830 0 Retail: 1-4 family mortgages 1,334 88 116 1,538 753,498 755,036 0 Other consumer loans 15 1 0 16 29,737 29,753 0 Total retail 1,349 89 116 1,554 783,235 784,789 0 Total past due loans $ 1,349 $ 6,042 $ 365 $ 7,756 $ 3,908,863 $ 3,916,619 $ 0
Financing Receivable, Nonaccrual [Table Text Block]	Recorded Principal Related (Dollars in thousands) Balance Allowance With no allowance recorded: Commercial: Commercial and industrial $ 0 $ 0 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 70 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 70 0 Retail: 1-4 family mortgages 2,272 0 Other consumer loans 0 0 Total retail 2,272 0 Total with no allowance recorded $ 2,342 $ 0 With an allowance recorded: Commercial: Commercial and industrial $ 249 $ 1 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 249 1 Retail: 1-4 family mortgages 824 240 Other consumer loans 0 0 Total retail 824 240 Total with an allowance recorded $ 1,073 $ 241 Total nonaccrual loans: Commercial $ 319 $ 1 Retail 3,096 240 Total nonaccrual loans $ 3,415 $ 241 Recorded Principal Related (Dollars in thousands) Balance Allowance With no allowance recorded: Commercial: Commercial and industrial $ 249 $ 0 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 249 0 Retail: 1-4 family mortgages 1,064 0 Other consumer loans 0 0 Total retail 1,064 0 Total with no allowance recorded $ 1,313 $ 0 With an allowance recorded: Commercial: Commercial and industrial $ 5,775 $ 2,051 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 248 32 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 6,023 2,083 Retail: 1-4 family mortgages 392 200 Other consumer loans 0 0 Total retail 392 200 Total with an allowance recorded $ 6,415 $ 2,283 Total nonaccrual loans: Commercial $ 6,272 $ 2,083 Retail 1,456 200 Total nonaccrual loans $ 7,728 $ 2,283
Financing Receivable Credit Quality Indicators [Table Text Block]	Commercial Vacant Land, Commercial Land Commercial Commercial Real Estate - Commercial Development, Real Estate - Real Estate - Multi-Family and and Residential Owner Non-Owner and Residential (Dollars in thousands) Industrial Construction Occupied Occupied Rental Internal credit risk grade groupings: Grades 1 – 4 $ 724,156 $ 34,944 $ 468,339 $ 451,019 $ 172,455 Grades 5 – 7 505,807 39,719 248,802 573,771 147,903 Grades 8 – 9 24,623 90 526 10,894 12,251 Total commercial $ 1,254,586 $ 74,753 $ 717,667 $ 1,035,684 $ 332,609 Commercial Vacant Land, Commercial Land Commercial Commercial Real Estate - Commercial Development, Real Estate - Real Estate - Multi-Family and and Residential Owner Non-Owner and Residential (Dollars in thousands) Industrial Construction Occupied Occupied Rental Internal credit risk grade groupings: Grades 1 – 4 (1) $ 719,583 $ 41,711 $ 406,341 $ 428,733 $ 137,258 Grades 5 – 7 450,405 20,057 229,766 538,081 129,161 Grades 8 – 9 15,095 105 3,085 12,400 49 Total commercial $ 1,185,083 $ 61,873 $ 639,192 $ 979,214 $ 266,468
Financing Receivable by Origination Year [Table Text Block]	Revolving Grand (Dollars in thousands) 2023 2022 2021 2020 2019 Prior Term Total Loans Total Commercial: Commercial and Industrial: Grades 1 – 4 $ 103,531 $ 79,883 $ 90,107 $ 20,577 $ 5,978 $ 9,160 $ 309,236 $ 414,920 $ 724,156 Grades 5 – 7 174,668 57,979 20,075 18,361 7,450 119 278,652 227,155 505,807 Grades 8 – 9 3,671 2,122 277 0 0 0 6,070 18,553 24,623 Total $ 281,870 $ 139,984 $ 110,459 $ 38,938 $ 13,428 $ 9,279 $ 593,958 $ 660,628 $ 1,254,586 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 218 $ 218 Vacant Land, Land Development and Residential Construction: Grades 1 – 4 $ 24,875 $ 6,570 $ 1,108 $ 2,110 $ 0 $ 281 $ 34,944 $ 0 $ 34,944 Grades 5 – 7 17,799 21,244 138 2 40 496 39,719 0 39,719 Grades 8 – 9 9 0 0 0 0 81 90 0 90 Total $ 42,683 $ 27,814 $ 1,246 $ 2,112 $ 40 $ 858 $ 74,753 $ 0 $ 74,753 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 Real Estate – Owner Occupied: Grades 1 – 4 $ 205,379 $ 110,130 $ 85,982 $ 47,630 $ 14,362 $ 2,908 $ 466,391 $ 1,948 $ 468,339 Grades 5 – 7 111,197 63,271 27,729 27,029 9,419 439 239,084 9,718 248,802 Grades 8 – 9 0 417 0 38 0 71 526 0 526 Total $ 316,576 $ 173,818 $ 113,711 $ 74,697 $ 23,781 $ 3,418 $ 706,001 $ 11,666 $ 717,667 Current-period gross write-offs $ 0 $ 14 $ 0 $ 0 $ 0 $ 40 $ 54 $ 0 $ 54 Real Estate – Non-Owner Occupied: Grades 1 – 4 $ 109,125 $ 84,912 $ 113,846 $ 102,279 $ 27,664 $ 13,193 $ 451,019 $ 0 $ 451,019 Grades 5 – 7 233,471 118,464 109,238 88,315 6,148 18,135 573,771 0 573,771 Grades 8 – 9 10,894 0 0 0 0 0 10,894 0 10,894 Total $ 353,490 $ 203,376 $ 223,084 $ 190,594 $ 33,812 $ 31,328 $ 1,035,684 $ 0 $ 1,035,684 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 Real Estate – Multi-Family and Residential Rental: Grades 1 – 4 $ 36,038 $ 28,512 $ 64,244 $ 35,129 $ 4,883 $ 3,649 $ 172,455 $ 0 $ 172,455 Grades 5 – 7 72,916 55,964 4,816 9,372 2,699 2,136 147,903 0 147,903 Grades 8 – 9 11,250 0 0 1,001 0 0 12,251 0 12,251 Total $ 120,204 $ 84,476 $ 69,060 $ 45,502 $ 7,582 $ 5,785 $ 332,609 $ 0 $ 332,609 Current-period gross write-offs $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 Total Commercial $ 1,114,823 $ 629,468 $ 517,560 $ 351,843 $ 78,643 $ 50,668 $ 2,743,005 $ 672,294 $ 3,415,299 Current-period gross write-offs $ 0 $ 14 $ 0 $ 0 $ 0 $ 40 $ 54 $ 218 $ 272 Retail: 1-4 Family Mortgages: Performing $ 133,823 $ 332,098 $ 231,842 $ 82,002 $ 10,515 $ 44,003 $ 834,283 $ 27 $ 834,310 Nonperforming 108 1,728 305 0 10 945 3,096 0 3,096 Total $ 133,931 $ 333,826 $ 232,147 $ 82,002 $ 10,525 $ 44,948 $ 837,379 $ 27 $ 837,406 Current-period gross write-offs $ 0 $ 174 $ 0 $ 0 $ 0 $ 240 $ 414 $ 0 $ 414 0 Other Consumer Loans: Performing $ 5,138 $ 2,569 $ 1,664 $ 608 $ 651 $ 716 $ 11,346 $ 39,707 $ 51,053 Nonperforming 0 0 0 0 0 0 0 0 0 Total $ 5,138 $ 2,569 $ 1,664 $ 608 $ 651 $ 716 $ 11,346 $ 39,707 $ 51,053 Current-period gross write-offs $ 3 $ 16 $ 0 $ 0 $ 0 $ 3 $ 22 $ 155 $ 177 Total Retail $ 139,069 $ 336,395 $ 233,811 $ 82,610 $ 11,176 $ 45,664 $ 848,725 $ 39,734 $ 888,459 Current-period gross write-offs $ 3 $ 190 $ 0 $ 0 $ 0 $ 243 $ 436 $ 155 $ 591 Grand Total $ 1,253,892 $ 965,863 $ 751,371 $ 434,453 $ 89,819 $ 96,332 $ 3,591,730 $ 712,028 $ 4,303,758 Current-period gross write-offs $ 3 $ 204 $ 0 $ 0 $ 0 $ 283 $ 490 $ 373 $ 863 Revolving Grand (Dollars in thousands) 2022 2021 2020 2019 2018 Prior Term Total Loans Total Commercial: Commercial and Industrial: Grades 1 – 4 $ 115,494 $ 141,481 $ 43,961 $ 9,194 $ 3,230 $ 9,851 $ 323,211 $ 396,372 $ 719,583 Grades 5 – 7 151,783 47,030 31,697 8,870 569 93 240,042 210,363 450,405 Grades 8 – 9 3,784 249 0 0 48 29 4,110 10,985 15,095 Total $ 271,061 $ 188,760 $ 75,658 $ 18,064 $ 3,847 $ 9,973 $ 567,363 $ 617,720 $ 1,185,083 Vacant Land, Land Development and Residential Construction: Grades 1 – 4 $ 31,756 $ 6,196 $ 3,428 $ 0 $ 0 $ 331 $ 41,711 $ 0 $ 41,711 Grades 5 – 7 10,270 8,760 351 50 0 626 20,057 0 20,057 Grades 8 – 9 0 0 0 0 14 91 105 0 105 Total $ 42,026 $ 14,956 $ 3,779 $ 50 $ 14 $ 1,048 $ 61,873 $ 0 $ 61,873 Real Estate – Owner Occupied: Grades 1 – 4 $ 194,072 $ 113,528 $ 53,630 $ 19,670 $ 19,279 $ 6,162 $ 406,341 $ 0 $ 406,341 Grades 5 – 7 115,720 56,173 33,913 10,245 12,550 1,165 229,766 0 229,766 Grades 8 – 9 2,919 0 44 0 122 0 3,085 0 3,085 Total $ 312,711 $ 169,701 $ 87,587 $ 29,915 $ 31,951 $ 7,327 $ 639,192 $ 0 $ 639,192 Real Estate – Non-Owner Occupied: Grades 1 – 4 $ 121,281 $ 152,034 $ 89,125 $ 44,196 $ 10,079 $ 12,018 $ 428,733 $ 0 $ 428,733 Grades 5 – 7 176,216 142,647 133,163 35,200 13,456 37,399 538,081 0 538,081 Grades 8 – 9 6,712 5,688 0 0 0 0 12,400 0 12,400 Total $ 304,209 $ 300,369 $ 222,288 $ 79,396 $ 23,535 $ 49,417 $ 979,214 $ 0 $ 979,214 Real Estate – Multi-Family and Residential Rental: Grades 1 – 4 $ 39,342 $ 49,177 $ 36,348 $ 5,306 $ 3,082 $ 4,003 $ 137,258 $ 0 $ 137,258 Grades 5 – 7 56,019 47,473 19,667 3,162 2,557 283 129,161 0 129,161 Grades 8 – 9 0 0 0 0 0 49 49 0 49 Total $ 95,361 $ 96,650 $ 56,015 $ 8,468 $ 5,639 $ 4,335 $ 266,468 $ 0 $ 266,468 Total Commercial $ 1,025,368 $ 770,436 $ 445,327 $ 135,893 $ 64,986 $ 72,100 $ 2,514,110 $ 617,720 $ 3,131,830 Retail: 1-4 Family Mortgages: Performing $ 313,611 $ 242,950 $ 91,936 $ 12,094 $ 14,297 $ 41,622 $ 716,510 $ 37,070 $ 753,580 Nonperforming 142 82 0 0 203 1,029 1,456 0 1,456 Total $ 313,753 $ 243,032 $ 91,936 $ 12,094 $ 14,500 $ 42,651 $ 717,966 $ 37,070 $ 755,036 Other Consumer Loans: Performing $ 4,349 $ 2,870 $ 1,040 $ 1,074 $ 395 $ 430 $ 10,158 $ 19,595 $ 29,753 Nonperforming 0 0 0 0 0 0 0 0 0 Total $ 4,349 $ 2,870 $ 1,040 $ 1,074 $ 395 $ 430 $ 10,158 $ 19,595 $ 29,753 Total Retail $ 318,102 $ 245,902 $ 92,976 $ 13,168 $ 14,895 $ 43,081 $ 728,124 $ 56,665 $ 784,789 Grand Total $ 1,343,470 $ 1,016,338 $ 538,303 $ 149,061 $ 79,881 $ 115,181 $ 3,242,234 $ 674,385 $ 3,916,619
Financing Receivable, Allowance for Credit Loss [Table Text Block]	Commercial vacant land, Commercial land real estate – development Commercial Commercial multi-family Commercial and real estate – real estate – and 1 4 Other and residential owner non-owner residential family consumer (Dollars in thousands) industrial construction occupied occupied rental mortgages loans Unallocated Total Allowance for credit losses: Beginning balance $ 10,203 $ 490 $ 5,914 $ 9,242 $ 2,191 $ 14,027 $ 160 $ 19 $ 42,246 Credit risk reclassifications 90 0 0 0 0 (697 ) 607 0 0 Balances, December 31, 2022 after reclassifications 10,293 490 5,914 9,242 2,191 13,330 767 19 42,246 Provision for credit losses (2,822 ) (141 ) 1,255 610 967 5,638 2,212 (19 ) 7,700 Charge-offs (218 ) 0 (54 ) 0 0 (414 ) (177 ) 0 (863 ) Recoveries 188 35 71 0 26 432 79 0 831 Ending balance $ 7,441 $ 384 $ 7,186 $ 9,852 $ 3,184 $ 18,986 $ 2,881 $ 0 $ 49,914 Commercial vacant land, Commercial land real estate – development Commercial Commercial multi-family Commercial and real estate – real estate – and 1-4 Other and residential owner non-owner residential family consumer (Dollars in thousands) industrial construction occupied occupied rental mortgages loans Unallocated Total Allowance for credit losses: Beginning balance $ 10,782 $ 420 $ 6,045 $ 12,990 $ 2,006 $ 2,449 $ 626 $ 45 $ 35,363 Adoption of ASU 2016-13 (1,571 ) (43 ) (560 ) (2,534 ) (621 ) 5,395 (411 ) (55 ) (400 ) Provision for credit losses 946 138 378 (1,214 ) 763 5,621 (111 ) 29 6,550 Charge-offs (171 ) (29 ) (38 ) 0 0 (33 ) (21 ) 0 (292 ) Recoveries 217 4 89 0 43 595 77 0 1,025 Ending balance $ 10,203 $ 490 $ 5,914 $ 9,242 $ 2,191 $ 14,027 $ 160 $ 19 $ 42,246 Commercial vacant land, Commercial land real estate – development Commercial Commercial multi-family Commercial and real estate – real estate – and Home and residential owner non-owner residential equity 1-4 family (Dollars in thousands) industrial construction occupied occupied rental and other mortgages Unallocated Total Allowance for loan losses: Beginning balance $ 9,424 $ 679 $ 8,246 $ 13,611 $ 1,819 $ 889 $ 3,240 $ 59 $ 37,967 Provision for loan losses 2,030 (618 ) (3,308 ) (621 ) 161 (301 ) (1,629 ) (14 ) (4,300 ) Charge-offs (882 ) (15 ) (12 ) 0 0 (43 ) (92 ) 0 (1,044 ) Recoveries 210 374 1,119 0 26 81 930 0 2,740 Ending balance $ 10,782 $ 420 $ 6,045 $ 12,990 $ 2,006 $ 626 $ 2,449 $ 45 $ 35,363
Financing Receivable, Modified, Financial Effect [Table Text Block]	Interest Rate Principal (Dollars in thousands) Reduction Term Extension Forgiveness Commercial: Commercial and industrial $ 0 $ 17,919 $ 0 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 10,894 0 Real estate – multi-family and residential rental 0 0 0 Total commercial $ 0 $ 28,813 $ 0 Retail: 1-4 family mortgages 0 0 0 Other consumer loans 0 0 0 Total retail $ 0 $ 0 $ 0 Total loans $ 0 $ 28,813 $ 0
Financing Receivable, Modified, Amortized Cost [Table Text Block]	30 – 89 Days 90 + Days (Dollars in thousands) Current Past Due Past Due Total Commercial: Commercial and industrial $ 17,919 $ 0 $ 0 $ 17,919 Vacant land, land development and residential construction 0 0 0 0 Real estate – owner occupied 0 0 0 0 Real estate – non-owner occupied 10,894 0 0 10,894 Real estate – multi-family and residential rental 0 0 0 0 Total commercial $ 28,813 $ 0 $ 0 $ 28,813 Retail: 1-4 family mortgages 0 0 0 0 Other consumer loans 0 0 0 0 Total retail $ 0 $ 0 $ 0 $ 0 Total loans $ 28,813 $ 0 $ 0 $ 28,813
Financing Receivable, Modified [Table Text Block]	Pre- Post- Modification Modification Recorded Recorded Number of Principal Principal (Dollars in thousands) Contracts Balance Balance Commercial: Commercial and industrial 3 $ 6,593 $ 6,593 Vacant land, land development and residential construction 0 0 0 Real estate – owner occupied 0 0 0 Real estate – non-owner occupied 0 0 0 Real estate – multi-family and residential rental 0 0 0 Total commercial 3 6,593 6,593 Retail: Home equity and other 0 0 0 1-4 family mortgages 7 758 757 Total retail 7 758 757 Total 10 $ 7,351 $ 7,350
Troubled Debt Restructurings on Financing Receivables with in Previous Twelve Months that Became Over Thirty Days Past Due [Table Text Block]	Recorded Number of Principal (Dollars in thousands) Contracts Balance Commercial: Commercial and industrial 2 $ 5,665 Vacant land, land development and residential construction 0 0 Real estate – owner occupied 0 0 Real estate – non-owner occupied 0 0 Real estate – multi-family and residential rental 0 0 Total commercial 2 5,665 Retail: Home equity and other 0 0 1-4 family mortgages 0 0 Total retail 0 0 Total 2 5,665
Trouble Debt Restructuring Activity [Table Text Block]	Commercial Vacant Land, Commercial Land Real Estate - Development, Commercial Commercial Multi-Family Commercial and Real Estate - Real Estate - and and Residential Owner Non-Owner Residential (Dollars in thousands) Industrial Construction Occupied Occupied Rental Commercial Loan Portfolio: Beginning Balance $ 4,973 $ 0 $ 10,435 $ 146 $ 91 Charge-Offs (95 ) 0 (39 ) 0 0 Payments (772 ) 0 (9,683 ) (16 ) (91 ) Transfers to ORE 0 0 0 0 0 Net Additions/Deletions 4,566 0 (669 ) 0 0 Ending Balance $ 8,672 $ 0 $ 44 $ 130 $ 0 Retail Retail Home Equity 1-4 Family (Dollars in thousands) and Other Mortgages Retail Loan Portfolio: Beginning Balance $ 1,202 $ 627 Charge-Offs 0 0 Payments (14 ) (317 ) Transfers to ORE 0 0 Net Additions/Deletions (1,187 ) 2,426 Ending Balance $ 1 $ 2,736
Retail Portfolio Segment [Member]
Notes Tables
Financing Receivable Credit Quality Indicators [Table Text Block]	Retail Retail 1-4 Family Other (Dollars in thousands) Mortgages Consumer Loans Performing $ 834,310 $ 51,053 Nonperforming 3,096 0 Total retail $ 837,406 $ 51,053 Retail Retail 1-4 Family Other (Dollars in thousands) Mortgages Consumer Loans Performing $ 753,580 $ 29,753 Nonperforming 1,456 0 Total retail $ 755,036 $ 29,753

Note 4 - Premises and Equipme_2

Note 4 - Premises and Equipment, Net (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Property, Plant and Equipment [Table Text Block]	(Dollars in thousands) 2023 2022 Land and improvements $ 12,782 $ 13,532 Buildings 56,778 53,865 Furniture and equipment 25,157 22,941 94,717 90,338 Less: accumulated depreciation 43,789 38,862 Total premises and equipment $ 50,928 $ 51,476
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]	(Dollars in thousands) 2024 $ 1,127 2025 720 2026 651 2027 570 2028 380 Thereafter 1,316 Total undiscounted lease payments 4,764 Less effect of discounting (1,072 ) Present value of future lease payments (lease liability) 3,692

Note 5 - Mortgage Loan Servic_2

Note 5 - Mortgage Loan Servicing (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Mortgage Loans Serviced for Others [Table Text Block]	(Dollars in thousands) 2023 2022 Mortgage loan portfolios serviced for: Federal Home Loan Mortgage Corporation $ 1,341,602 $ 1,345,312 Federal Home Loan Bank 62,786 30,831 Total mortgage loans serviced for others $ 1,404,388 $ 1,376,143
Servicing Asset at Amortized Cost [Table Text Block]	(Dollars in thousands) 2023 2022 Balance at beginning of year $ 11,837 $ 12,248 Additions 2,259 2,773 Amortized to expense (2,753 ) (3,184 ) Balance at end of year $ 11,343 $ 11,837

Note 6 - Deposits (Tables)

Note 6 - Deposits (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Summary of Deposits and Percentage Change in Deposits [Table Text Block]	Percent (Dollars in thousands) December 31, 2023 December 31, 2022 Increase Balance % Balance % (Decrease) Noninterest-bearing checking $ 1,247,640 32.1 % $ 1,604,750 43.3 % (22.3 )% Interest-bearing checking 635,790 16.3 575,028 15.5 10.6 Money market 957,434 24.5 776,723 20.9 23.3 Savings 262,566 6.7 381,602 10.3 (31.2 ) Time, under $100,000 175,741 4.5 113,099 3.0 55.4 Time, $100,000 and over 453,366 11.6 261,609 7.0 73.3 Total local deposits 3,732,537 95.7 3,712,811 100.0 0.5 Out-of-area time, $100,000 and over 168,381 4.3 0 0 0 Total deposits $ 3,900,918 100.0 % $ 3,712,811 100.0 % 5.1 %
Contractual Maturities of Certificates of Deposits [Table Text Block]	(Dollars in thousands) 2023 2022 In one year or less $ 657,307 $ 188,887 In one to two years 61,454 68,434 In two to three years 22,830 22,053 In three to four years 54,486 30,761 In four to five years 1,411 64,573 Total certificates of deposit $ 797,488 $ 374,708
Contractual Maturities of Certificates of Deposits of More than Specified Amount [Table Text Block]	(Dollars in thousands) 2023 2022 Up to three months $ 167,535 $ 40,538 Three months to six months 127,344 25,141 Six months to twelve months 210,915 54,394 Over twelve months 115,953 141,536 Total certificates of deposit $ 621,747 $ 261,609

Note 7 - Securities Sold Unde_2

Note 7 - Securities Sold Under Agreements to Repurchase (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Repurchase Agreements [Table Text Block]	(Dollars in thousands) 2023 2022 Outstanding balance at year end $ 229,734 $ 194,340 Weighted average interest rate at year end 3.17 % 0.75 % Average daily balance during the year $ 204,334 $ 200,499 Weighted average interest rate during the year 1.33 % 0.15 % Maximum daily balance during the year $ 269,324 $ 235,577

Note 8 - Federal Home Loan Ba_2

Note 8 - Federal Home Loan Bank of Indianapolis Advances (Tables)	12 Months Ended
	Dec. 31, 2023
Amortizing Advances [Member]
Notes Tables
Maturities of Currently Outstanding FHLB Advances [Table Text Block]	(Dollars in thousands) 2024 $ 827 2025 862 2026 900 2027 938 2028 979 Thereafter 23,404
Bullet Advances [member]
Notes Tables
Maturities of Currently Outstanding FHLB Advances [Table Text Block]	(Dollars in thousands) 2024 $ 90,000 2025 80,000 2026 80,000 2027 100,000 2028 90,000

Note 9 - Federal Income Taxes (

Note 9 - Federal Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	(Dollars in thousands) 2023 2022 2021 Current expense $ 22,518 $ 16,080 $ 12,675 Deferred (benefit) expense (2,036 ) (1,353 ) 2,020 Tax expense $ 20,482 $ 14,727 $ 14,695
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	(Dollars in thousands) 2023 2022 2021 Tax at statutory rate $ 21,567 $ 15,915 $ 15,481 Increase (decrease) from Tax-exempt interest (862 ) (695 ) (658 ) Bank owned life insurance (303 ) (334 ) (233 ) Other 80 (159 ) 105 Tax expense $ 20,482 $ 14,727 $ 14,695
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	(Dollars in thousands) 2023 2022 Deferred income tax assets Allowance for credit losses $ 10,482 $ 8,872 Deferred compensation 226 232 Stock compensation 1,005 1,018 Nonaccrual loan interest income 132 136 Unrealized loss on securities 13,420 17,369 Lease liability 775 810 Other 779 494 Deferred tax asset 26,819 28,931 Deferred income tax liabilities Depreciation 337 697 Prepaid expenses 612 504 Core deposit intangible 0 120 Mortgage loan servicing rights 2,382 2,486 Deferred loan fees and costs 509 211 Right of use lease asset 775 810 Business combination adjustments 1,770 1,877 Other 447 326 Deferred tax liability 6,832 7,031 Total net deferred tax asset $ 19,987 $ 21,900

Note 10 - Stock-based Compens_2

Note 10 - Stock-based Compensation (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]	Weighted Average Shares Fair Value Nonvested at beginning of year 374,771 $ 30.49 Granted 95,084 40.23 Vested (109,414 ) 27.01 Forfeited (4,551 ) 28.70 Nonvested at end of year 355,890 $ 34.18
Share-Based Payment Arrangement, Option, Activity [Table Text Block]	Weighted Average Exercise Shares Price Outstanding at beginning of year 5,000 $ 36.22 Granted 0 0.00 Exercised 0 0.00 Forfeited or expired (5,000 ) 34.89 Outstanding at end of year 0 $ 0 Options exercisable at year end 0 $ 0
Schedule of Share-based Compensation Shares Authorized Under Stock Option Plans Information Related to Option Outstanding [Table Text Block]	2022 2021 Minimum exercise price $ 36.22 $ 27.66 Maximum Exercise Price 36.22 36.22 Average Remaining Option Term 0.9 1.7
Schedule of Share Based Compensation Arrangement by Share Based Payment Award Options Information Related to Stock Option Grants and Exercised [Table Text Block]	(Dollars in thousands) 2022 2021 Aggregate intrinsic value of stock options exercised $ 16 $ 13 Cash received from stock option exercises 36 50 Tax benefit realized from stock option exercises 0 0 Weighted average per share fair value of stock options granted NA NA
Corporate and Bank Board Members [Member]
Notes Tables
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]	Total Cost Grant Year Shares Granted (in thousands) Covered Period 2020 17,716 $ 394 June 1, 2020 - May 31, 2021 2021 10,489 344 June 1, 2021 - May 31, 2022 2022 11,166 359 June 1, 2022 - May 31, 2023 2023 11,529 350 June 1, 2023 - May 31, 2024

Note 11 - Related Parties (Tabl

Note 11 - Related Parties (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Related Party Transactions [Table Text Block]	(Dollars in thousands) 2023 2022 Beginning balance $ 92,660 $ 87,672 New loans 3,221 10,619 Repayments (5,410 ) (5,631 ) Effect of changes in related parties (964 ) 0 Ending balance $ 89,507 $ 92,660

Note 12 - Commitments and Off_2

Note 12 - Commitments and Off-balance-sheet Risk (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Summary of Contractual Amounts of Financial Instruments With Off Balance Sheet Risk [Table Text Block]	(Dollars in thousands) 2023 2022 Commercial unused lines of credit $ 1,557,429 $ 1,283,703 Unused lines of credit secured by 1 – 4 family residential properties 74,120 71,972 Credit card unused lines of credit 142,096 123,687 Other consumer unused lines of credit 50,063 75,747 Commitments to make loans 270,403 329,646 Standby letters of credit 19,393 23,539 Total commitments $ 2,113,504 $ 1,908,294
Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block]	(Dollars in thousands) December 31, 2023 December 31, 2022 Contract Carrying Contract Carrying Amount Value Amount Value Standby letters of credit $ 19,393 $ 99 $ 23,539 $ 108

Note 14 - Derivatives and Hed_2

Note 14 - Derivatives and Hedging Activities (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Derivative Instruments [Table Text Block]	(Dollars in thousands) Notional Amount Balance Sheet Location Fair Value Derivative Assets Interest rate swaps $ 676,526 Other Assets $ 27,505 Derivative Liabilities Interest rate swaps 674,499 Other Liabilities 27,964 (Dollars in thousands) Notional Amount Balance Sheet Location Fair Value Derivative Assets Interest rate swaps $ 401,572 Other Assets $ 26,173 Derivative Liabilities Interest rate swaps 401,572 Other Liabilities 26,377
Offsetting Assets and Liabilities [Table Text Block]	Gross Amounts Not Offset on the Consolidated Balance Sheet (Dollars in thousands) Net Amounts Recognized Financial Instruments Cash Collateral Received or posted Net Amount Derivative Assets Interest rate swaps $ 27,505 $ 5,175 $ 14,010 $ 8,320 Derivative Liabilities Interest rate swaps 27,964 $ 5,175 3,120 $ 19,669 Gross Amounts Not Offset on the Consolidated Balance Sheet (Dollars in thousands) Net Amounts Recognized Financial Instruments Cash Collateral Received or posted Net Amount Derivative Assets Interest rate swaps $ 26,173 $ 415 $ 24,760 $ 998 Derivative Liabilities Interest rate swaps 26,377 $ 415 0 $ 25,962

Note 15 - Fair Values of Fina_2

Note 15 - Fair Values of Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Fair Value, by Balance Sheet Grouping [Table Text Block]	Level in 2023 2022 Fair Value Carrying Fair Carrying Fair (Dollars in thousands) Hierarchy Amount Value Amount Value Financial assets Cash and cash equivalents Level 1 $ 130,533 $ 130,533 $ 96,772 $ 96,772 Securities available for sale (1) 617,092 617,092 602,936 602,936 Federal Home Loan Bank stock (2) 21,513 21,513 17,721 17,721 Loans, net Level 3 4,253,844 4,191,644 3,874,373 3,800,042 Mortgage loans held for sale Level 2 18,607 19,027 3,565 3,643 Accrued interest receivable Level 2 19,806 19,806 15,476 15,476 Interest rate swaps Level 2 27,505 27,505 26,173 26,173 Financial liabilities Deposits Level 2 3,900,918 3,814,778 3,712,811 3,379,403 Securities sold under agreements to repurchase Level 2 229,734 229,734 194,340 194,340 Federal Home Loan Bank advances Level 2 467,910 454,857 308,263 292,044 Subordinated debentures Level 2 49,644 49,653 48,958 49,531 Subordinated notes Level 2 88,971 77,218 88,628 75,024 Accrued interest payable Level 2 9,012 9,012 3,223 3,223 Interest rate swaps Level 2 27,964 27,964 26,377 26,377

Note 16 - Fair Value Measurem_2

Note 16 - Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 390,496 $ 0 $ 390,496 $ 0 Mortgage-backed securities 29,473 0 29,473 0 Municipal general obligation bonds 167,860 0 167,347 513 Municipal revenue bonds 28,763 0 28,763 0 Other investments 500 0 500 0 Interest rate swaps 27,505 0 27,505 0 Total assets $ 644,597 $ 0 $ 644,084 $ 513 Interest rate swaps 27,964 0 27,964 0 Total liabilities $ 27,964 $ 0 $ 27,964 $ 0 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Available for sale securities U.S. Government agency debt obligations $ 388,744 $ 0 $ 388,744 $ 0 Mortgage-backed securities 31,953 0 31,953 0 Municipal general obligation bonds 154,433 0 153,855 578 Municipal revenue bonds 27,306 0 27,306 0 Other investments 500 0 500 0 Interest rate swaps 26,173 0 26,173 0 Total assets $ 629,109 $ 0 $ 628,531 $ 578 Interest rate swaps 26,377 0 26,377 0 Total liabilities $ 26,377 $ 0 $ 26,377 $ 0
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]	Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Collateral dependent loans $ 1,434 $ 0 $ 0 $ 1,434 Foreclosed assets 200 0 0 200 Total $ 1,634 $ 0 $ 0 $ 1,634 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs (Dollars in thousands) Total (Level 1) (Level 2) (Level 3) Collateral dependent loans $ 5,290 $ 0 $ 0 $ 5,290

Note 17 - Earnings Per Share (T

Note 17 - Earnings Per Share (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	(Dollars in thousands, except share and per share amounts) 2023 2022 2021 Basic Net income attributable to common shares $ 82,217 $ 61,063 $ 59,021 Weighted average common shares outstanding 16,015,678 15,859,889 15,986,857 Basic earnings per common share $ 5.13 $ 3.85 $ 3.69 Diluted Net income attributable to common shares $ 82,217 $ 61,063 $ 59,021 Weighted average common shares outstanding for basic earnings per common share 16,015,678 15,859,889 15,986,857 Add: Dilutive effects of share-based awards 0 12 446 Average shares and dilutive potential common shares 16,015,678 15,859,901 15,987,303 Diluted earnings per common share $ 5.13 $ 3.85 $ 3.69

Note 18 - Variable Interest E_2

Note 18 - Variable Interest Entities (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Subordinated Borrowing [Table Text Block]	(Dollars in thousands) Preferred Securities Trust Name Outstanding Interest Rate Maturity Date Mercantile Bank Capital Trust I $ 21,000 3 Month SOFR + 218 bps September 16, 2034 Firstbank Capital Trust I $ 10,000 3 Month SOFR + 199 bps October 18, 2034 Firstbank Capital Trust II $ 10,000 3 Month SOFR + 127 bps April 7, 2036 Firstbank Capital Trust III $ 7,500 3 Month SOFR + 135 bps July 30, 2037 Firstbank Capital Trust IV $ 7,500 3 Month SOFR + 135 bps July 30, 2037
Schedule of Variable Interest Entities [Table Text Block]	2023 2022 Aggregate Aggregate Aggregate Aggregate (Dollars in thousands) Assets Liabilities Risk of Loss Assets Liabilities Risk of Loss Trust preferred securities $ 58,074 $ 56,000 $ 2,074 $ 58,100 $ 56,000 $ 2,100 Tax Credit Equity Investments 25,659 21,103 4,556 3,214 1,375 1,839

Note 20 - Regulatory Matters (T

Note 20 - Regulatory Matters (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]	Minimum Required to be Well Minimum Required Capitalized Under for Capital Prompt Corrective Actual Adequacy Purposes Action Regulations (Dollars in thousands) Amount Ratio Amount Ratio Amount Ratio 2023 Total capital (to risk weighted assets) Consolidated $ 710,905 13.7 % $ 415,841 8.0 % $ NA NA % Bank 694,431 13.4 414,019 8.0 517,524 10.0 Tier 1 capital (to risk weighted assets) Consolidated 570,730 11.0 311,881 6.0 NA NA Bank 643,227 12.4 310,514 6.0 414,019 8.0 Common equity (to risk weighted assets) Consolidated 523,160 10.1 233,911 4.5 NA NA Bank 643,227 12.4 232,886 4.5 336,391 6.5 Tier 1 capital (to average assets) Consolidated 570,730 10.8 210,527 4.0 NA NA Bank 643,227 12.2 210,427 4.0 263,034 5.0 2022 Total capital (to risk weighted assets) Consolidated $ 634,729 14.0 % $ 362,675 8.0 % NA NA Bank 618,709 13.7 362,490 8.0 453,112 10.0 Tier 1 capital (to risk weighted assets) Consolidated 503,855 11.1 272,007 6.0 NA NA Bank 576,463 12.7 271,868 6.0 362,490 8.0 Common equity (to risk weighted assets) Consolidated 456,970 10.1 204,005 4.5 NA NA Bank 576,463 12.7 203,901 4.5 294,523 6.5 Tier 1 capital (to average assets) Consolidated 503,855 10.1 199,647 4.0 NA NA Bank 576,463 11.6 199,563 4.0 249,453 5.0

Note 21 - Mercantile Bank Cor_2

Note 21 - Mercantile Bank Corporation (Parent Company Only) Condensed Financial Statements (Tables)	12 Months Ended
	Dec. 31, 2023
Notes Tables
Condensed Balance Sheet [Table Text Block]	(Dollars in thousands) 2023 2022 ASSETS Cash and cash equivalents $ 18,969 $ 18,633 Investments in bank subsidiaries 627,604 543,599 Other assets 17,228 19,786 Total assets $ 663,801 $ 582,018 LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities $ 3,040 $ 3,024 Subordinated debentures 49,644 48,958 Subordinated notes 88,971 88,628 Shareholders’ equity 522,146 441,408 Total liabilities and shareholders’ equity $ 663,801 $ 582,018
Condensed Income Statement [Table Text Block]	(Dollars in thousands) 2023 2022 2021 Income Interest and dividends from subsidiaries $ 26,660 $ 26,056 $ 39,058 Total income 26,660 26,056 39,058 Expenses Interest expense 8,091 6,104 1,934 Other operating expenses 5,674 5,645 5,831 Total expenses 13,765 11,749 7,765 Income before income tax benefit and equity in undistributed net income of subsidiary 12,895 14,307 31,293 Federal income tax benefit (2,858 ) (2,535 ) (1,653 ) Equity in undistributed net income of subsidiary 66,464 44,221 26,075 Net income $ 82,217 $ 61,063 $ 59,021 Other comprehensive income (loss) 14,854 (61,612 ) (9,215 ) Comprehensive income (loss) $ 97,071 $ (549 ) $ 49,806
Condensed Cash Flow Statement [Table Text Block]	(Dollars in thousands) 2023 2022 2021 Cash flows from operating activities Net income $ 82,217 $ 61,063 $ 59,021 Adjustments to reconcile net income to net cash from operating activities: Equity in undistributed net income of subsidiary (66,464 ) (44,221 ) (26,075 ) Stock-based compensation expense 3,384 3,377 3,784 Stock grants to directors for retainer fees 350 359 344 Change in other assets (128 ) 858 49 Change in other liabilities 1,045 1,636 (5 ) Net cash from operating activities 20,404 23,072 37,118 Cash flows from investing activities Net capital investment into subsidiaries 0 (15,000 ) (70,000 ) Net cash for investing activities 0 (15,000 ) (70,000 ) Cash flows from financing activities Stock option exercises, net of cashless exercises 0 36 50 Employee stock purchase plan 45 45 48 Dividend reinvestment plan 891 867 877 Net proceeds from subordinated notes issuance 0 14,645 73,635 Repurchase of common shares 0 0 (21,380 ) Cash dividends on common stock (21,004 ) (19,602 ) (18,524 ) Net cash (for) from financing activities (20,068 ) (4,009 ) 34,706 Net change in cash and cash equivalents 336 4,063 1,824 Cash and cash equivalents at beginning of period 18,633 14,570 12,746 Cash and cash equivalents at end of period $ 18,969 $ 18,633 $ 14,570

Note 1 - Summary of Significa_3

Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2022 USD ($)	May 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Aug. 08, 2020 USD ($)	Jun. 01, 2014 USD ($)
Number of Unconsolidated Business Trusts Formed to Issue Trust Preferred Securities	5
Financing Receivable, before Allowance for Credit Loss, Total	$ 4,303,758	$ 3,916,619
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Ending Balance	0
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss	2,600	2,500
Financing Receivable, Unamortized Loan Cost (Fee)	$ 2,400	1,000
Interest Income on Commercial and Mortgage Loans Discontinued Period (Day)	90 days
Maximum Delinquency Period for Consumer and Credit Card Loans to be Charged Off (Day)	120 days
Financing Receivable, Accrued Interest, after Allowance for Credit Loss	$ 16,900	12,800
Repossessed Assets	200	0
Financing Receivable, Allowance for Credit Loss	49,914	42,246	$ 35,363			$ 37,967
Retained Earnings (Accumulated Deficit)	277,526	216,313
Other Expense [Member]
Income (Loss) from Affordable Housing Projects, Equity Method Investments		(300)	(200)
Federal Income Tax Expense [Member]
Amortization Method Qualified Affordable Housing Project Investments, Amortization	500
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Financing Receivable, Allowance for Credit Loss			$ (400)	$ (400)
Retained Earnings (Accumulated Deficit)				300
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Other Assets [Member]
Deferred Income Tax Assets, Net				$ 100
Not Designated as Hedging Instrument [Member] | Mortgage Loan Derivative [Member]
Derivative Liability	100
Derivative Asset		100
Commercial Loan [Member]
Loan Participation, Amount	46,700	$ 33,500
SBA, CARES Act, Paycheck Protection Program [Member]
Number of Loans Originated Under the Paycheck Protection Program							2,200
Financing Receivable, before Allowance for Credit Loss, Total							$ 554,000
Financing Receivable, Not Yet Forgiven	100
SBA, CARES Act, Paycheck Protection Program, Round Two [Member]
Number of Loans Originated Under the Paycheck Protection Program					1,200
Financing Receivable, before Allowance for Credit Loss, Total					$ 209,000
Financing Receivable, Not Yet Forgiven	$ 200
Financing Receivable, Not Yet Forgiven, Number of Loans	5
Firstbank Corporation [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total								$ 1,500,000
Business Combination Branches Acquired								46

Note 1 - Summary of Significa_4

Note 1 - Summary of Significant Accounting Policies - Year-end Mortgage Loans Held for Sale (Details) - Mortgage Loans [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Mortgage loans held for sale	$ 18,607	$ 3,565
Less: Allowance to adjust to lower of cost or market	0	0
Mortgage loans held for sale, net	$ 18,607	$ 3,565

Note 1 - Significant Accounting

Note 1 - Significant Accounting Policies - Noninterest Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Service Charges on Deposit and Sweep Accounts [Member]
Noninterest revenue	$ 4,954	$ 5,952	$ 5,078
Credit and Debit Card [Member]
Noninterest revenue	8,914	8,216	7,516
Payroll Processing [Member]
Noninterest revenue	2,509	2,178	1,815
Customer Service [Member]
Noninterest revenue	$ 801	$ 852	$ 857

Note 1 - Summary of Significa_5

Note 1 - Summary of Significant Accounting Policies - Summary of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated other comprehensive gain/(loss)	$ (50,487)	$ (65,341)	$ (3,729)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Unrealized gains (losses) on securities available for sale	(63,906)	(82,710)	(4,720)
Tax effect	$ 13,419	$ 17,369	$ 991

Note 2 - Securities (Details Te

Note 2 - Securities (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	641	732
Debt Securities, Available-for-Sale, Unrealized Loss Position	$ 548,747	$ 573,146
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	66,112	83,281
Proceeds from Sale of Debt Securities, Available-for-Sale	0	0	$ 0
Debt Securities, Available-for-Sale, Amortized Cost	680,998	685,646
Debt Securities, Available-for-Sale	617,092	602,936
Bonds Issued or Guaranteed by Agencies of the U.S. Federal Government [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	57,700
Bonds Issued by State-based Municipalities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	8,400
State of Michigan and All Its Political Subdivisions [Member]
Debt Securities, Available-for-Sale, Amortized Cost	203,000	193,000
Debt Securities, Available-for-Sale	197,000	182,000
All Other States and Their Political Subdivisions [Member]
Debt Securities, Available-for-Sale, Amortized Cost	0	0
US Government Agency Debt Obligations and Mortgage Backed Securities [Member]
Debt Securities, Available-for-Sale, Restricted	$ 230,000	$ 194,000

Note 2 - Securities - Available

Note 2 - Securities - Available-for-sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Total, amortized cost	$ 680,998	$ 685,646
Securities available for sale, gross unrealized gains	2,206	571
Securities available for sale, gross unrealized losses	(66,112)	(83,281)
Fair value	617,092	602,936
US Government Agencies Debt Securities [Member]
Total, amortized cost	442,496	453,836
Securities available for sale, gross unrealized gains	0	0
Securities available for sale, gross unrealized losses	(52,000)	(65,092)
Fair value	390,496	388,744
Collateralized Mortgage-Backed Securities [Member]
Total, amortized cost	35,168	38,002
Securities available for sale, gross unrealized gains	20	19
Securities available for sale, gross unrealized losses	(5,715)	(6,068)
Fair value	29,473	31,953
Municipal General Obligation Bonds [Member]
Total, amortized cost	172,126	163,041
Securities available for sale, gross unrealized gains	1,924	450
Securities available for sale, gross unrealized losses	(6,190)	(9,058)
Fair value	167,860	154,433
Municipal Revenue Bonds [Member]
Total, amortized cost	30,708	30,267
Securities available for sale, gross unrealized gains	262	102
Securities available for sale, gross unrealized losses	(2,207)	(3,063)
Fair value	28,763	27,306
Other Debt and Equity Securities [Member]
Total, amortized cost	500	500
Securities available for sale, gross unrealized gains	0	0
Securities available for sale, gross unrealized losses	0	0
Fair value	$ 500	$ 500

Note 2 - Securities - Securitie

Note 2 - Securities - Securities in a Continuous Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Securities available for sale, continuous unrealized loss position, less than 12 months	$ 2,729	$ 193,930
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	14	17,438
Securities available for sale, continuous unrealized loss position, 12 months or more	546,018	379,216
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	66,098	65,843
Securities available for sale, continuous unrealized loss position	548,747	573,146
Securities available for sale, continuous unrealized loss position, unrealized loss	66,112	83,281
US Government Agencies Debt Securities [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	0	53,019
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	0	5,713
Securities available for sale, continuous unrealized loss position, 12 months or more	390,496	335,725
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	52,000	59,379
Securities available for sale, continuous unrealized loss position	390,496	388,744
Securities available for sale, continuous unrealized loss position, unrealized loss	52,000	65,092
Collateralized Mortgage-Backed Securities [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	114	31,127
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	0	6,068
Securities available for sale, continuous unrealized loss position, 12 months or more	28,749	12
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	5,715	0
Securities available for sale, continuous unrealized loss position	28,863	31,139
Securities available for sale, continuous unrealized loss position, unrealized loss	5,715	6,068
Municipal General Obligation Bonds [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	1,109	97,252
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	6	4,516
Securities available for sale, continuous unrealized loss position, 12 months or more	106,171	32,870
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	6,184	4,542
Securities available for sale, continuous unrealized loss position	107,280	130,122
Securities available for sale, continuous unrealized loss position, unrealized loss	6,190	9,058
Municipal Revenue Bonds [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	1,506	12,532
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	8	1,141
Securities available for sale, continuous unrealized loss position, 12 months or more	20,602	10,609
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	2,199	1,922
Securities available for sale, continuous unrealized loss position	22,108	23,141
Securities available for sale, continuous unrealized loss position, unrealized loss	2,207	3,063
Other Debt and Equity Securities [Member]
Securities available for sale, continuous unrealized loss position, less than 12 months	0	0
Securities available for sale, continuous unrealized loss position, less than 12 months, unrealized loss	0	0
Securities available for sale, continuous unrealized loss position, 12 months or more	0	0
Securities available for sale, continuous unrealized loss position, 12 months or more, unrealized loss	0	0
Securities available for sale, continuous unrealized loss position	0	0
Securities available for sale, continuous unrealized loss position, unrealized loss	$ 0	$ 0

Note 2 - Securities - Debt Secu

Note 2 - Securities - Debt Securities by Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Due in one year or less, amortized cost	$ 57,724
Due in one year or less, fair value	56,289
Due from one to five years, amortized cost	261,591
Due from one to five years, fair value	241,758
Due from five to ten years, amortized cost	279,722
Due from five to ten years, fair value	243,791
Due after ten years, amortized cost	46,293
Due after ten years, fair value	45,281
Total, amortized cost	680,998	$ 685,646
Fair value	617,092	602,936
Collateralized Mortgage-Backed Securities [Member]
No single maturity, amortized cost	35,168
No single maturity, fair value	29,473
Total, amortized cost	35,168	38,002
Fair value	29,473	31,953
Other Debt and Equity Securities [Member]
No single maturity, amortized cost	500
No single maturity, fair value	500
Total, amortized cost	500	500
Fair value	$ 500	$ 500

Note 3 - Loans and Allowance _3

Note 3 - Loans and Allowance for Credit Losses (Details Textual) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, before Allowance for Credit Loss, Total		$ 4,303,758	$ 3,916,619
Financing Receivable, Nonaccrual, Interest Income		200	100	$ 100
Financing Receivable, Revolving, Converted to Term Loan During Period		6,400	1,300
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		(2,000)	(1,700)
Financing Receivable, Individually Evaluated for Impairment		5,400	13,200
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment		400	2,600
Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		$ 3,415,299	$ 3,131,830
Financing Receivables, Prepayment Speed Assumed		2%	2%
Commercial Portfolio Segment [Member] | Commercial and Industrial, Credit Cards to Business Customers [Member]
Financing Receivable, before Allowance for Credit Loss, Total		$ 17,800	$ 16,600
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[1]	332,609	266,468
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[1]	1,035,684	979,214
Retail Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		888,459	784,789
Retail Portfolio Segment [Member] | Home Equity Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		38,100	37,400
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[2]	$ 837,406	$ 755,036
Financing Receivables, Prepayment Speed Assumed		9%	16.10%
Financing Receivables, Allowance for Credit Loss, Increase From Decrease of Prepayment Speed Assumed		$ 5,300
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[3]	$ 51,053	$ 29,753
Financing Receivables, Prepayment Speed Assumed		9%	9%
Commercial Real Estate Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Reclassification Between Loan Segments [Member]
Increase (Decrease) in Finance Receivables			$ 54,500
Commercial Real Estate Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Reclassification Between Loan Segments [Member]
Increase (Decrease) in Finance Receivables			$ (54,500)
[1]We have reclassified multi-family construction loans from real estate - non-owner occupied loans to real estate - multi-family and residential rental loans. The table above reflects a classification change of $54.5 million as of December 31, 2022. All the tables that follow have been adjusted to reflect the reclassifications as of the applicable dates.[2]Home equity lines of credit were reclassified from 1-4 family mortgage loans to other consumer loans during the year ended December 31, 2023. Home equity lines of credit totaled $38.1 million and $37.4 million as of December 31, 2023, and 2022, respectively.[3]Credit cards to business customers were reclassified from other consumer loans to commercial and industrial during the year ended December 31, 2023. Credit cards to business customers totaled $17.8 million and $16.6 million as of December 31, 2023, and 2022, respectively.

Note 3 - Loans and Allowance _4

Note 3 - Loans and Allowance for Credit Losses - Components of Loan Portfolio (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Loans		$ 4,303,758	$ 3,916,619
Percent of portfolio		100%	100%
Period increase (decrease)		9.90%
Commercial Portfolio Segment [Member]
Loans		$ 3,415,299	$ 3,131,830
Percent of portfolio		79.40%	80%
Period increase (decrease)		9.10%
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	[1]	$ 1,254,586	$ 1,185,083
Percent of portfolio		29.20%	30.30%
Period increase (decrease)		5.90%
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans		$ 74,753	$ 61,873
Percent of portfolio		1.70%	1.60%
Period increase (decrease)		20.80%
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans		$ 717,667	$ 639,192
Percent of portfolio		16.70%	16.30%
Period increase (decrease)		12.30%
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans	[2]	$ 1,035,684	$ 979,214
Percent of portfolio		24.10%	25%
Period increase (decrease)		5.80%
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans	[2]	$ 332,609	$ 266,468
Percent of portfolio		7.70%	6.80%
Period increase (decrease)		24.80%
Retail Portfolio Segment [Member]
Loans		$ 888,459	$ 784,789
Percent of portfolio		20.60%	20%
Period increase (decrease)		13.20%
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	[3]	$ 837,406	$ 755,036
Percent of portfolio		19.50%	19.30%
Period increase (decrease)		10.90%
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Loans	[1]	$ 51,053	$ 29,753
Percent of portfolio		1.10%	0.70%
Period increase (decrease)		71.60%
[1]Credit cards to business customers were reclassified from other consumer loans to commercial and industrial during the year ended December 31, 2023. Credit cards to business customers totaled $17.8 million and $16.6 million as of December 31, 2023, and 2022, respectively.[2]We have reclassified multi-family construction loans from real estate - non-owner occupied loans to real estate - multi-family and residential rental loans. The table above reflects a classification change of $54.5 million as of December 31, 2022. All the tables that follow have been adjusted to reflect the reclassifications as of the applicable dates.[3]Home equity lines of credit were reclassified from 1-4 family mortgage loans to other consumer loans during the year ended December 31, 2023. Home equity lines of credit totaled $38.1 million and $37.4 million as of December 31, 2023, and 2022, respectively.

Note 3 - Loans and Allowance _5

Note 3 - Loans and Allowance for Loan Losses - Concentrations Within the Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, before Allowance for Credit Loss, Total	$ 4,303,758	$ 3,916,619
Commercial Real Estate Loans to Lessors of Non Residential Buildings [Member]
Financing Receivable, before Allowance for Credit Loss, Total	$ 754,611	$ 738,891
Percent of portfolio	17.50%	18.90%

Note 3 - Loans and Allowance _6

Note 3 - Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, before Allowance for Credit Loss, Total		$ 4,303,758	$ 3,916,619
Recorded Balance 89 Days and Accruing		0	0
Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		3,415,299	3,131,830
Recorded Balance 89 Days and Accruing		0	0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[1]	1,254,586	1,185,083
Recorded Balance 89 Days and Accruing		0	0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		74,753	61,873
Recorded Balance 89 Days and Accruing		0	0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		717,667	639,192
Recorded Balance 89 Days and Accruing		0	0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[2]	1,035,684	979,214
Recorded Balance 89 Days and Accruing		0	0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[2]	332,609	266,468
Recorded Balance 89 Days and Accruing		0	0
Retail Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		888,459	784,789
Recorded Balance 89 Days and Accruing		0	0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[3]	837,406	755,036
Recorded Balance 89 Days and Accruing		0	0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, before Allowance for Credit Loss, Total	[1]	51,053	29,753
Recorded Balance 89 Days and Accruing		0	0
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, before Allowance for Credit Loss, Total		1,035	1,349
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		4	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, before Allowance for Credit Loss, Total		4	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		1,031	1,349
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, before Allowance for Credit Loss, Total		934	1,334
Financial Asset, 30 to 59 Days Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, before Allowance for Credit Loss, Total		97	15
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, before Allowance for Credit Loss, Total		145	6,042
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	5,953
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	5,705
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	248
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		145	89
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, before Allowance for Credit Loss, Total		145	88
Financial Asset, 60 to 89 Days Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	1
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, before Allowance for Credit Loss, Total		357	365
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		319	249
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, before Allowance for Credit Loss, Total		249	249
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		70	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		38	116
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, before Allowance for Credit Loss, Total		38	116
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, Past Due [Member]
Financing Receivable, before Allowance for Credit Loss, Total		1,537	7,756
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		323	6,202
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, before Allowance for Credit Loss, Total		253	5,954
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		70	248
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		0	0
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		1,214	1,554
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, before Allowance for Credit Loss, Total		1,117	1,538
Financial Asset, Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, before Allowance for Credit Loss, Total		97	16
Financial Asset, Not Past Due [Member]
Financing Receivable, before Allowance for Credit Loss, Total		4,302,221	3,908,863
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		3,414,976	3,125,628
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, before Allowance for Credit Loss, Total		1,254,333	1,179,129
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		74,753	61,873
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		717,597	638,944
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		1,035,684	979,214
Financial Asset, Not Past Due [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, before Allowance for Credit Loss, Total		332,609	266,468
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member]
Financing Receivable, before Allowance for Credit Loss, Total		887,245	783,235
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, before Allowance for Credit Loss, Total		836,289	753,498
Financial Asset, Not Past Due [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, before Allowance for Credit Loss, Total		$ 50,956	$ 29,737
[1]Credit cards to business customers were reclassified from other consumer loans to commercial and industrial during the year ended December 31, 2023. Credit cards to business customers totaled $17.8 million and $16.6 million as of December 31, 2023, and 2022, respectively.[2]We have reclassified multi-family construction loans from real estate - non-owner occupied loans to real estate - multi-family and residential rental loans. The table above reflects a classification change of $54.5 million as of December 31, 2022. All the tables that follow have been adjusted to reflect the reclassifications as of the applicable dates.[3]Home equity lines of credit were reclassified from 1-4 family mortgage loans to other consumer loans during the year ended December 31, 2023. Home equity lines of credit totaled $38.1 million and $37.4 million as of December 31, 2023, and 2022, respectively.

Note 3 - Loans and Allowance _7

Note 3 - Loans and Allowance for Loan Losses - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
With no related allowance recorded, principal balance	$ 2,342	$ 1,313
With related allowance recorded, principal balance	1,073	6,415
Related allowance	241	2,283
Total principal balance	3,415	7,728
Commercial Portfolio Segment [Member]
With no related allowance recorded, principal balance	70	249
With related allowance recorded, principal balance	249	6,023
Related allowance	1	2,083
Total principal balance	319	6,272
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
With no related allowance recorded, principal balance	0	249
With related allowance recorded, principal balance	249	5,775
Related allowance	1	2,051
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
With no related allowance recorded, principal balance	0	0
With related allowance recorded, principal balance	0	0
Related allowance	0	0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
With no related allowance recorded, principal balance	70	0
With related allowance recorded, principal balance	0	248
Related allowance	0	32
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
With no related allowance recorded, principal balance	0	0
With related allowance recorded, principal balance	0	0
Related allowance	0	0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
With no related allowance recorded, principal balance	0	0
With related allowance recorded, principal balance	0	0
Related allowance	0	0
Retail Portfolio Segment [Member]
With no related allowance recorded, principal balance	2,272	1,064
With related allowance recorded, principal balance	824	392
Related allowance	240	200
Total principal balance	3,096	1,456
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
With no related allowance recorded, principal balance	2,272	1,064
With related allowance recorded, principal balance	824	392
Related allowance	240	200
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
With no related allowance recorded, principal balance	0	0
With related allowance recorded, principal balance	0	0
Related allowance	$ 0	$ 0

Note 3 - Loans and Allowance _8

Note 3 - Loans and Allowance for Credit Losses - Loans by Credit Quality Indicators (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Loans		$ 4,303,758	$ 3,916,619
Commercial Portfolio Segment [Member]
Loans		3,415,299	3,131,830
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	[1]	1,254,586	1,185,083
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans		74,753	61,873
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans		717,667	639,192
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans	[2]	1,035,684	979,214
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans	[2]	332,609	266,468
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	[3]	724,156	719,583
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans		34,944	41,711
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans		468,339	406,341
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans		451,019	428,733
Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans		172,455	137,258
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans		505,807	450,405
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans		39,719	20,057
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans		248,802	229,766
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans		573,771	538,081
Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans		147,903	129,161
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans		24,623	15,095
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Loans		90	105
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Loans		526	3,085
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Loans		10,894	12,400
Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Loans		$ 12,251	$ 49
[1]Credit cards to business customers were reclassified from other consumer loans to commercial and industrial during the year ended December 31, 2023. Credit cards to business customers totaled $17.8 million and $16.6 million as of December 31, 2023, and 2022, respectively.[2]We have reclassified multi-family construction loans from real estate - non-owner occupied loans to real estate - multi-family and residential rental loans. The table above reflects a classification change of $54.5 million as of December 31, 2022. All the tables that follow have been adjusted to reflect the reclassifications as of the applicable dates.[3]Included in Commercial and Industrial Loans Grades 1 – 4 are $40.1 million of loans originated under the Paycheck Protection Program.

Note 3 - Loans and Allowance _9

Note 3 - Loans and Allowance for Credit Losses - Retail Credit Exposure (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Loans		$ 4,303,758	$ 3,916,619
Retail Portfolio Segment [Member]
Loans		888,459	784,789
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Loans	[1]	837,406	755,036
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Loans	[2]	51,053	29,753
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | One to Four Family Mortgages [Member]
Loans		834,310	753,580
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Other Consumer Loans [Member]
Loans		51,053	29,753
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | One to Four Family Mortgages [Member]
Loans		3,096	1,456
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Other Consumer Loans [Member]
Loans		$ 0	$ 0
[1]Home equity lines of credit were reclassified from 1-4 family mortgage loans to other consumer loans during the year ended December 31, 2023. Home equity lines of credit totaled $38.1 million and $37.4 million as of December 31, 2023, and 2022, respectively.[2]Credit cards to business customers were reclassified from other consumer loans to commercial and industrial during the year ended December 31, 2023. Credit cards to business customers totaled $17.8 million and $16.6 million as of December 31, 2023, and 2022, respectively.

Note 3 - Loans and Allowance_10

Note 3 - Loans and Allowance for Credit Losses - Loan Vintage (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Year One, Originated, Current Fiscal Year		$ 1,253,892	$ 1,343,470
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		965,863	1,016,338
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		751,371	538,303
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		434,453	149,061
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		89,819	79,881
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		96,332	115,181
Financing Receivable, Term Loan		3,591,730	3,242,234
Financing Receivable, Revolving		712,028	674,385
Loans		4,303,758	3,916,619
Current-period gross write-offs, year one		3
Current-period gross write-offs, year two		204
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		283
Current-period gross write-offs, term loan		490
Current-period gross write-offs, revolving		373
Current-period gross write-offs		863
Commercial Portfolio Segment [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,114,823	1,025,368
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		629,468	770,436
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		517,560	445,327
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		351,843	135,893
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		78,643	64,986
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		50,668	72,100
Financing Receivable, Term Loan		2,743,005	2,514,110
Financing Receivable, Revolving		672,294	617,720
Loans		3,415,299	3,131,830
Current-period gross write-offs, year one		0
Current-period gross write-offs, year two		14
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		40
Current-period gross write-offs, term loan		54
Current-period gross write-offs, revolving		218
Current-period gross write-offs		272
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		281,870	271,061
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		139,984	188,760
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		110,459	75,658
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		38,938	18,064
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		13,428	3,847
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		9,279	9,973
Financing Receivable, Term Loan		593,958	567,363
Financing Receivable, Revolving		660,628	617,720
Loans	[1]	1,254,586	1,185,083
Current-period gross write-offs, year one		0
Current-period gross write-offs, year two		0
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		0
Current-period gross write-offs, term loan		0
Current-period gross write-offs, revolving		218
Current-period gross write-offs		218
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Grades 1-4 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		103,531	115,494
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		79,883	141,481
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		90,107	43,961
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		20,577	9,194
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		5,978	3,230
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		9,160	9,851
Financing Receivable, Term Loan		309,236	323,211
Financing Receivable, Revolving		414,920	396,372
Loans	[2]	724,156	719,583
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Grades 5-7 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		174,668	151,783
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		57,979	47,030
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		20,075	31,697
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		18,361	8,870
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		7,450	569
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		119	93
Financing Receivable, Term Loan		278,652	240,042
Financing Receivable, Revolving		227,155	210,363
Loans		505,807	450,405
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Grades 8-9 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		3,671	3,784
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		2,122	249
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		277	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0	48
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0	29
Financing Receivable, Term Loan		6,070	4,110
Financing Receivable, Revolving		18,553	10,985
Loans		24,623	15,095
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		42,683	42,026
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		27,814	14,956
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		1,246	3,779
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		2,112	50
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		40	14
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		858	1,048
Financing Receivable, Term Loan		74,753	61,873
Financing Receivable, Revolving		0	0
Loans		74,753	61,873
Current-period gross write-offs, year one		0
Current-period gross write-offs, year two		0
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		0
Current-period gross write-offs, term loan		0
Current-period gross write-offs, revolving		0
Current-period gross write-offs		0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Grades 1-4 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		24,875	31,756
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		6,570	6,196
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		1,108	3,428
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		2,110	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		281	331
Financing Receivable, Term Loan		34,944	41,711
Financing Receivable, Revolving		0	0
Loans		34,944	41,711
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Grades 5-7 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		17,799	10,270
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		21,244	8,760
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		138	351
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		2	50
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		40	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		496	626
Financing Receivable, Term Loan		39,719	20,057
Financing Receivable, Revolving		0	0
Loans		39,719	20,057
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Grades 8-9 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		9	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0	14
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		81	91
Financing Receivable, Term Loan		90	105
Financing Receivable, Revolving		0	0
Loans		90	105
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		316,576	312,711
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		173,818	169,701
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		113,711	87,587
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		74,697	29,915
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		23,781	31,951
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		3,418	7,327
Financing Receivable, Term Loan		706,001	639,192
Financing Receivable, Revolving		11,666	0
Loans		717,667	639,192
Current-period gross write-offs, year one		0
Current-period gross write-offs, year two		14
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		40
Current-period gross write-offs, term loan		54
Current-period gross write-offs, revolving		0
Current-period gross write-offs		54
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Grades 1-4 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		205,379	194,072
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		110,130	113,528
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		85,982	53,630
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		47,630	19,670
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		14,362	19,279
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		2,908	6,162
Financing Receivable, Term Loan		466,391	406,341
Financing Receivable, Revolving		1,948	0
Loans		468,339	406,341
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Grades 5-7 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		111,197	115,720
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		63,271	56,173
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		27,729	33,913
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		27,029	10,245
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		9,419	12,550
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		439	1,165
Financing Receivable, Term Loan		239,084	229,766
Financing Receivable, Revolving		9,718	0
Loans		248,802	229,766
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Grades 8-9 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		0	2,919
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		417	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0	44
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		38	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0	122
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		71	0
Financing Receivable, Term Loan		526	3,085
Financing Receivable, Revolving		0	0
Loans		526	3,085
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		353,490	304,209
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		203,376	300,369
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		223,084	222,288
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		190,594	79,396
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		33,812	23,535
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		31,328	49,417
Financing Receivable, Term Loan		1,035,684	979,214
Financing Receivable, Revolving		0	0
Loans	[3]	1,035,684	979,214
Current-period gross write-offs, year one		0
Current-period gross write-offs, year two		0
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		0
Current-period gross write-offs, term loan		0
Current-period gross write-offs, revolving		0
Current-period gross write-offs		0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Grades 1-4 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		109,125	121,281
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		84,912	152,034
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		113,846	89,125
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		102,279	44,196
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		27,664	10,079
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		13,193	12,018
Financing Receivable, Term Loan		451,019	428,733
Financing Receivable, Revolving		0	0
Loans		451,019	428,733
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Grades 5-7 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		233,471	176,216
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		118,464	142,647
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		109,238	133,163
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		88,315	35,200
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		6,148	13,456
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		18,135	37,399
Financing Receivable, Term Loan		573,771	538,081
Financing Receivable, Revolving		0	0
Loans		573,771	538,081
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Grades 8-9 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		10,894	6,712
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0	5,688
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0	0
Financing Receivable, Term Loan		10,894	12,400
Financing Receivable, Revolving		0	0
Loans		10,894	12,400
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		120,204	95,361
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		84,476	96,650
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		69,060	56,015
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		45,502	8,468
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		7,582	5,639
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		5,785	4,335
Financing Receivable, Term Loan		332,609	266,468
Financing Receivable, Revolving		0	0
Loans	[3]	332,609	266,468
Current-period gross write-offs, year one		0
Current-period gross write-offs, year two		0
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		0
Current-period gross write-offs, term loan		0
Current-period gross write-offs, revolving		0
Current-period gross write-offs		0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Grades 1-4 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		36,038	39,342
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		28,512	49,177
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		64,244	36,348
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		35,129	5,306
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		4,883	3,082
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		3,649	4,003
Financing Receivable, Term Loan		172,455	137,258
Financing Receivable, Revolving		0	0
Loans		172,455	137,258
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Grades 5-7 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		72,916	56,019
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		55,964	47,473
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		4,816	19,667
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		9,372	3,162
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		2,699	2,557
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		2,136	283
Financing Receivable, Term Loan		147,903	129,161
Financing Receivable, Revolving		0	0
Loans		147,903	129,161
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Grades 8-9 [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		11,250	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		1,001	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0	49
Financing Receivable, Term Loan		12,251	49
Financing Receivable, Revolving		0	0
Loans		12,251	49
Retail Portfolio Segment [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		139,069	318,102
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		336,395	245,902
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		233,811	92,976
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		82,610	13,168
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		11,176	14,895
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		45,664	43,081
Financing Receivable, Term Loan		848,725	728,124
Financing Receivable, Revolving		39,734	56,665
Loans		888,459	784,789
Current-period gross write-offs, year one		3
Current-period gross write-offs, year two		190
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		243
Current-period gross write-offs, term loan		436
Current-period gross write-offs, revolving		155
Current-period gross write-offs		591
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		133,931	313,753
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		333,826	243,032
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		232,147	91,936
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		82,002	12,094
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		10,525	14,500
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		44,948	42,651
Financing Receivable, Term Loan		837,379	717,966
Financing Receivable, Revolving		27	37,070
Loans	[4]	837,406	755,036
Current-period gross write-offs, year one		0
Current-period gross write-offs, year two		174
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		240
Current-period gross write-offs, term loan		414
Current-period gross write-offs, revolving		0
Current-period gross write-offs		414
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Performing Financial Instruments [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		133,823	313,611
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		332,098	242,950
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		231,842	91,936
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		82,002	12,094
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		10,515	14,297
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		44,003	41,622
Financing Receivable, Term Loan		834,283	716,510
Financing Receivable, Revolving		27	37,070
Loans		834,310	753,580
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		108	142
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		1,728	82
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		305	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		10	203
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		945	1,029
Financing Receivable, Term Loan		3,096	1,456
Financing Receivable, Revolving		0	0
Loans		3,096	1,456
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		5,138	4,349
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		2,569	2,870
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		1,664	1,040
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		608	1,074
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		651	395
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		716	430
Financing Receivable, Term Loan		11,346	10,158
Financing Receivable, Revolving		39,707	19,595
Loans	[1]	51,053	29,753
Current-period gross write-offs, year one		3
Current-period gross write-offs, year two		16
Current-period gross write-offs, year three		0
Current-period gross write-offs, year four		0
Current-period gross write-offs, year five		0
Current-period gross write-offs, prior		3
Current-period gross write-offs, term loan		22
Current-period gross write-offs, revolving		155
Current-period gross write-offs		177
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Performing Financial Instruments [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		5,138	4,349
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		2,569	2,870
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		1,664	1,040
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		608	1,074
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		651	395
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		716	430
Financing Receivable, Term Loan		11,346	10,158
Financing Receivable, Revolving		39,707	19,595
Loans		51,053	29,753
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Year One, Originated, Current Fiscal Year		0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0	0
Financing Receivable, Term Loan		0	0
Financing Receivable, Revolving		0	0
Loans		$ 0	$ 0
[1]Credit cards to business customers were reclassified from other consumer loans to commercial and industrial during the year ended December 31, 2023. Credit cards to business customers totaled $17.8 million and $16.6 million as of December 31, 2023, and 2022, respectively.[2]Included in Commercial and Industrial Loans Grades 1 – 4 are $40.1 million of loans originated under the Paycheck Protection Program.[3]We have reclassified multi-family construction loans from real estate - non-owner occupied loans to real estate - multi-family and residential rental loans. The table above reflects a classification change of $54.5 million as of December 31, 2022. All the tables that follow have been adjusted to reflect the reclassifications as of the applicable dates.[4]Home equity lines of credit were reclassified from 1-4 family mortgage loans to other consumer loans during the year ended December 31, 2023. Home equity lines of credit totaled $38.1 million and $37.4 million as of December 31, 2023, and 2022, respectively.

Note 3 - Loans and Allowance_11

Note 3 - Loans and Allowance for Credit Losses - Activity in Allowance for Loan Losses and the Recorded Investments in Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 42,246	$ 35,363	$ 37,967
Provision for credit losses	7,700	6,550	(4,300)
Charge-offs	(863)	(292)	(1,044)
Recoveries	831	1,025	2,740
Balance	49,914	42,246	35,363
Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	0
Balance		0
Revision of Prior Period, After Reclassification [Member]
Balance	42,246
Balance		42,246
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		(400)
Balance			(400)
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Balance	10,203	10,782	9,424
Provision for credit losses	(2,822)	946	2,030
Charge-offs	(218)	(171)	(882)
Recoveries	188	217	210
Balance	7,441	10,203	10,782
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	90
Balance		90
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	10,293
Balance		10,293
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		(1,571)
Balance			(1,571)
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Balance	490	420	679
Provision for credit losses	(141)	138	(618)
Charge-offs	0	(29)	(15)
Recoveries	35	4	374
Balance	384	490	420
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	0
Balance		0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	490
Balance		490
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		(43)
Balance			(43)
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Balance	5,914	6,045	8,246
Provision for credit losses	1,255	378	(3,308)
Charge-offs	(54)	(38)	(12)
Recoveries	71	89	1,119
Balance	7,186	5,914	6,045
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	0
Balance		0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	5,914
Balance		5,914
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		(560)
Balance			(560)
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Balance	9,242	12,990	13,611
Provision for credit losses	610	(1,214)	(621)
Charge-offs	0	0	0
Recoveries	0	0	0
Balance	9,852	9,242	12,990
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	0
Balance		0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	9,242
Balance		9,242
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		(2,534)
Balance			(2,534)
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Balance	2,191	2,006	1,819
Provision for credit losses	967	763	161
Charge-offs	0	0	0
Recoveries	26	43	26
Balance	3,184	2,191	2,006
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	0
Balance		0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	2,191
Balance		2,191
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		(621)
Balance			(621)
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Balance	14,027	2,449	3,240
Provision for credit losses	5,638	5,621	(1,629)
Charge-offs	(414)	(33)	(92)
Recoveries	432	595	930
Balance	18,986	14,027	2,449
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	(697)
Balance		(697)
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	13,330
Balance		13,330
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		5,395
Balance			5,395
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Balance	160	626
Provision for credit losses	2,212	(111)
Charge-offs	(177)	(21)
Recoveries	79	77
Balance	2,881	160	626
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	607
Balance		607
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	767
Balance		767
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		(411)
Balance			(411)
Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Balance		626	889
Provision for credit losses			(301)
Charge-offs			(43)
Recoveries			81
Balance			626
Unallocated Financing Receivables [Member]
Balance	19	45	59
Provision for credit losses	(19)	29	(14)
Charge-offs	0	0	0
Recoveries	0	0	0
Balance	0	19	45
Unallocated Financing Receivables [Member] | Revision of Prior Period, Reclassification, Adjustment [Member]
Balance	0
Balance		0
Unallocated Financing Receivables [Member] | Revision of Prior Period, After Reclassification [Member]
Balance	$ 19
Balance		19
Unallocated Financing Receivables [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance		$ (55)
Balance			$ (55)

Note 3 - Loans and Allowance_12

Note 3 - Loans and Allowance for Credit Losses - Financial Effect by Type of Modification (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Modified in period		$ 7,350
Commercial Portfolio Segment [Member]
Modified in period		6,593
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Modified in period		6,593
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Modified in period		0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Modified in period		0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Modified in period		0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Modified in period		0
Retail Portfolio Segment [Member]
Modified in period		$ 757
Contractual Interest Rate Reduction [Member]
Modified in period	$ 0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Retail Portfolio Segment [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Retail Portfolio Segment [Member] | Loans Categorized as 1-4 Family Mortgages [Member]
Modified in period	0
Contractual Interest Rate Reduction [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Modified in period	0
Extended Maturity [Member]
Modified in period	28,813
Extended Maturity [Member] | Commercial Portfolio Segment [Member]
Modified in period	28,813
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Modified in period	17,919
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Modified in period	0
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Modified in period	0
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Modified in period	10,894
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Modified in period	0
Extended Maturity [Member] | Retail Portfolio Segment [Member]
Modified in period	0
Extended Maturity [Member] | Retail Portfolio Segment [Member] | Loans Categorized as 1-4 Family Mortgages [Member]
Modified in period	0
Extended Maturity [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Modified in period	0
Principal Forgiveness [Member]
Modified in period	0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member]
Modified in period	0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Modified in period	0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Modified in period	0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Modified in period	0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Modified in period	0
Principal Forgiveness [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Modified in period	0
Principal Forgiveness [Member] | Retail Portfolio Segment [Member]
Modified in period	0
Principal Forgiveness [Member] | Retail Portfolio Segment [Member] | Loans Categorized as 1-4 Family Mortgages [Member]
Modified in period	0
Principal Forgiveness [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Modified in period	$ 0

Note 3 - Loans and Allowance_13

Note 3 - Loans and Allowance for Credit Losses - Amortized Cost of Modified Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Modified	$ 28,813
Financial Asset, Not Past Due [Member]
Modified	28,813
Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member]
Modified	28,813
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified	28,813
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Modified	17,919	$ 8,672	$ 4,973
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Not Past Due [Member]
Modified	17,919
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Modified	0	0	0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Financial Asset, Not Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Modified	0	44	10,435
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Financial Asset, Not Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Modified	10,894	130	146
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Financial Asset, Not Past Due [Member]
Modified	10,894
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Modified	0	0	91
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Financial Asset, Not Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Retail Portfolio Segment [Member]
Modified	0
Retail Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Modified	0	$ 2,736	$ 627
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Financial Asset, Not Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Modified	0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Not Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	$ 0

Note 3 - Loans and Allowance_14

Note 3 - Loans and Allowance for Credit Losses - Loans Modified as Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Number of Contracts	10
Pre- Modification Recorded Principal Balance	$ 7,351
Post- Modification Recorded Principal Balance	$ 7,350
Commercial Portfolio Segment [Member]
Number of Contracts	3
Pre- Modification Recorded Principal Balance	$ 6,593
Post- Modification Recorded Principal Balance	$ 6,593
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Number of Contracts	3
Pre- Modification Recorded Principal Balance	$ 6,593
Post- Modification Recorded Principal Balance	$ 6,593
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Number of Contracts	0
Pre- Modification Recorded Principal Balance	$ 0
Post- Modification Recorded Principal Balance	$ 0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Number of Contracts	0
Pre- Modification Recorded Principal Balance	$ 0
Post- Modification Recorded Principal Balance	$ 0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Number of Contracts	0
Pre- Modification Recorded Principal Balance	$ 0
Post- Modification Recorded Principal Balance	$ 0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Number of Contracts	0
Pre- Modification Recorded Principal Balance	$ 0
Post- Modification Recorded Principal Balance	$ 0
Retail Portfolio Segment [Member]
Number of Contracts	7
Pre- Modification Recorded Principal Balance	$ 758
Post- Modification Recorded Principal Balance	$ 757
Retail Portfolio Segment [Member] | Home Equity Loan [Member]
Number of Contracts	0
Pre- Modification Recorded Principal Balance	$ 0
Post- Modification Recorded Principal Balance	$ 0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Number of Contracts	7
Pre- Modification Recorded Principal Balance	$ 758
Post- Modification Recorded Principal Balance	$ 757

Note 3 - Loans and Allowance_15

Note 3 - Loans and Allowance for Loan Losses - Loans Modified As Troubled Debt Restructurings Within the Previous Twelve Months That Became Over 30 Days Past Due (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Number of Contracts	2
Recorded Principal Balance	$ 5,665
Commercial Portfolio Segment [Member]
Number of Contracts	2
Recorded Principal Balance	$ 5,665
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Number of Contracts	2
Recorded Principal Balance	$ 5,665
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Number of Contracts	0
Recorded Principal Balance	$ 0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Number of Contracts	0
Recorded Principal Balance	$ 0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Number of Contracts	0
Recorded Principal Balance	$ 0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Number of Contracts	0
Recorded Principal Balance	$ 0
Retail Portfolio Segment [Member]
Number of Contracts	0
Recorded Principal Balance	$ 0
Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Number of Contracts	0
Recorded Principal Balance	$ 0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Number of Contracts	0
Recorded Principal Balance	$ 0

Note 3 - Loans and Allowance_16

Note 3 - Loans and Allowance for Loan Losses - Activity for Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Retail Portfolio Segment [Member] | Home Equity and Other [Member]
Beginning Balance	$ 1,202
Charge-Offs	0
Payments	(14)
Transfers to ORE	0
Net Additions/Deletions	(1,187)	[1]
Ending Balance	1
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Beginning Balance	627
Charge-Offs	0
Payments	(317)
Transfers to ORE	0
Net Additions/Deletions	2,426	[1]
Ending Balance	2,736
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Beginning Balance	4,973
Charge-Offs	(95)
Payments	(772)
Transfers to ORE	0
Net Additions/Deletions	4,566
Ending Balance	8,672
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Beginning Balance	0
Charge-Offs	0
Payments	0
Transfers to ORE	0
Net Additions/Deletions	0
Ending Balance	0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Beginning Balance	10,435
Charge-Offs	(39)
Payments	(9,683)
Transfers to ORE	0
Net Additions/Deletions	(669)
Ending Balance	44
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Beginning Balance	146
Charge-Offs	0
Payments	(16)
Transfers to ORE	0
Net Additions/Deletions	0
Ending Balance	130
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Beginning Balance	91
Charge-Offs	0
Payments	(91)
Transfers to ORE	0
Net Additions/Deletions	0
Ending Balance	$ 0
[1]Includes $1.2 million in the transfer of home equity lines of credit from other consumer loans to 1-4 family mortgages in association with the adoption of the CECL methodology effective January 1, 2022.

Note 4 - Premises and Equipme_3

Note 4 - Premises and Equipment, Net (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Depreciation	$ 6,000	$ 6,000	$ 5,800
Operating Lease, Weighted Average Remaining Lease Term (Year)	10 years 10 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	5.93%
Operating Lease, Expense	$ 2,000	1,300	$ 1,200
Premises and Equipment, Net [Member]
Operating Lease, Right-of-Use Asset	3,700	3,500
Other Liabilities [Member]
Operating Lease, Liability	$ 3,692	$ 3,500
Minimum [Member]
Lessee, Operating Lease, Renewal Term (Year)	3 years
Maximum [Member]
Lessee, Operating Lease, Renewal Term (Year)	5 years

Note 4 - Premises and Equipme_4

Note 4 - Premises and Equipment, Net - Summary of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, plant and equipment, gross	$ 94,717	$ 90,338
Less: accumulated depreciation	43,789	38,862
Total premises and equipment	50,928	51,476
Land and Land Improvements [Member]
Property, plant and equipment, gross	12,782	13,532
Building [Member]
Property, plant and equipment, gross	56,778	53,865
Furniture and Fixtures [Member]
Property, plant and equipment, gross	$ 25,157	$ 22,941

Note 4 - Premises and Equipme_5

Note 4 - Premises and Equipment, Net - Future Lease Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
2024	$ 1,127
2025	720
2026	651
2027	570
2028	380
Thereafter	1,316
Total undiscounted lease payments	4,764
Less effect of discounting	(1,072)
Other Liabilities [Member]
Present value of future lease payments (lease liability)	$ 3,692	$ 3,500

Note 5 - Mortgage Loan Servic_3

Note 5 - Mortgage Loan Servicing (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Continuing Involvement with Transferred Financial Assets Custodial Escrow Balance	$ 10,100	$ 11,600
Valuation Allowance for Impairment of Recognized Servicing Assets, Balance	0	0
Servicing Asset at Fair Value, Amount	$ 19,300	$ 17,700
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate	11%	11.25%
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed	7.44%	6.60%
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Expected Credit Losses	0.29%	0.28%
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Weighted Average Life (Year)	8 years 7 months 6 days	8 years 10 months 24 days
Maximum [Member]
Late and Ancillary Fee Income Generated by Servicing Financial Assets, Amount	$ 100	$ 100

Note 5 - Mortgage Loan Servic_4

Note 5 - Mortgage Loan Servicing - Mortgage Loans Serviced for Others (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Mortgage loans serviced for others	$ 1,404,388	$ 1,376,143
Federal Home Loan Mortgage Corporation [Member]
Mortgage loans serviced for others	1,341,602	1,345,312
Federa lHome Loan Bank [Member]
Mortgage loans serviced for others	$ 62,786	$ 30,831

Note 5 - Mortgage Loan Servic_5

Note 5 - Mortgage Loan Servicing - Activity for Capitalized Mortgage Loan Servicing Rights (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Balance at beginning of year	$ 11,837	$ 12,248
Additions	2,259	2,773
Amortized to expense	(2,753)	(3,184)
Balance at end of year	$ 11,343	$ 11,837

Note 6 - Deposits (Details Text

Note 6 - Deposits (Details Textual) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Time Deposits, at or Above FDIC Insurance Limit	$ 477	$ 187
Loans [Member]
Deposit Overdrafts	$ 0.3	$ 0.9

Note 6 - Deposits - Summary of

Note 6 - Deposits - Summary of Deposits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Noninterest-bearing	$ 1,247,640	$ 1,604,750
Noninterest-bearing checking	32.10%	43.30%
Noninterest-bearing checking	(22.30%)
Interest-bearing checking	$ 635,790	$ 575,028
Interest-bearing checking, percentage	16.30%	15.50%
Interest-bearing checking, percent increase (decrease)	10.60%
Money market	$ 957,434	$ 776,723
Money market, percentage	24.50%	20.90%
Money market, percent increase (decrease)	23.30%
Savings	$ 262,566	$ 381,602
Savings, percentage	6.70%	10.30%
Savings, percent increase (decrease)	(31.20%)
Local Time, under $100,000	$ 175,741	$ 113,099
Local Time, under $100,000, percentage	4.50%	3%
Local Time, under $100,000, percent increase (decrease)	55.40%
Local Time, $100,000 and over	$ 453,366	$ 261,609
Local Time, $100,000 and over, percentage	11.60%	7%
Local Time, $100,000 and over, percent increase (decrease)	73.30%
Total local deposits	$ 3,732,537	$ 3,712,811
Total local deposits, percentage	95.70%	100%
Total local deposits	0.50%
Out-of-area time, $100,000 and over	$ 168,381	$ 0
Out-of-area time, $100,000 and over, percentage	4.30%	0%
Total deposits	$ 3,900,918	$ 3,712,811
Total deposits, percentage	100%	100%
Total deposits, percent increase (decrease)	5.10%

Note 6 - Deposits - Maturity Di

Note 6 - Deposits - Maturity Distribution for Certificate of Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
In one year or less	$ 657,307	$ 188,887
In one to two years	61,454	68,434
In two to three years	22,830	22,053
In three to four years	54,486	30,761
In four to five years	1,411	64,573
Total certificates of deposit	$ 797,488	$ 374,708

Note 6 - Deposits - Certificate

Note 6 - Deposits - Certificates of Deposit with Balances of $100,000 or More (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Up to three months	$ 167,535	$ 40,538
Three months to six months	127,344	25,141
Six months to twelve months	210,915	54,394
Over twelve months	115,953	141,536
Total certificates of deposit	$ 621,747	$ 261,609

Note 7 - Securities Sold Unde_3

Note 7 - Securities Sold Under Agreements to Repurchase (Details Textual)	6 Months Ended
	Dec. 31, 2023
Repurchase Agreement Counterparty, Weighted Average Maturity of Agreements (Day)	1 day

Note 7 - Securities Sold Unde_4

Note 7 - Securities Sold Under Agreements to Repurchase - Securities Sold Under Agreement to Repurchase (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Securities sold under agreements to repurchase	$ 229,734	$ 194,340
Average daily balance during the year	204,334	200,499
Maximum daily balance during the year	$ 269,324	$ 235,577
Securities Sold under Agreements to Repurchase [Member]
Weighted average interest rate at year end	3.17%	0.75%
Weighted average interest rate during the year	1.33%	0.15%

Note 8 - Federal Home Loan Ba_3

Note 8 - Federal Home Loan Bank of Indianapolis Advances (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Long-Term Federal Home Loan Bank Advances	$ 467,910	$ 308,263
Line of Credit Facility, Maximum Borrowing Capacity	903,000
Line of Credit Facility, Remaining Borrowing Capacity	429,000
Federal Home Loan Bank of Indianapolis [Member] | Bullet Advances [member]
Long-Term Federal Home Loan Bank Advances	$ 440,000	$ 280,000
Federal Home Loan Bank of Indianapolis [Member] | Bullet Advances [member] | Minimum [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End	0.55%	0.55%
Federal Home Loan Bank of Indianapolis [Member] | Bullet Advances [member] | Maximum [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End	5.05%	3.13%
Federal Home Loan Bank of Indianapolis [Member] | Bullet Advances [member] | Weighted Average [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End	2.93%	1.84%
Federal Home Loan Bank of Indianapolis [Member] | Amortizing Advances [Member]
Long-Term Federal Home Loan Bank Advances	$ 27,900	$ 28,300
Federal Home Loan Bank of Indianapolis [Member] | Amortizing Advances [Member] | Weighted Average [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End	2.52%	2.52%

Note 8 - Federal Home Loan Ba_4

Note 8 - Federal Home Loan Bank of Indianapolis Advances - Maturities of Currently Outstanding FHLBI Bullet Advances (Details) - Bullet Advances [member] - Federal Home Loan Bank of Indianapolis [Member] $ in Millions	Dec. 31, 2023 USD ($)
2024	$ 90
2025	80
2026	80
2027	100
2028	$ 90

Note 8 - Federal Home Loan Ba_5

Note 8 - Federal Home Loan Bank of Indianapolis Advances - Maturities of Currently Outstanding FHLBI Amortizing Advances (Details) - Federal Home Loan Bank of Indianapolis [Member] - Amortizing Advances [Member] $ in Thousands	Dec. 31, 2023 USD ($)
2024	$ 827
2025	862
2026	900
2027	938
2028	979
Thereafter	$ 23,404

Note 9 - Federal Income Taxes_2

Note 9 - Federal Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21%	21%	21%
Deferred Tax Assets, Valuation Allowance	$ 0	$ 0
Unrecognized Tax Benefits	0	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 0	$ 0

Note 9 - Federal Income Taxes -

Note 9 - Federal Income Taxes - Consolidated Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current expense	$ 22,518	$ 16,080	$ 12,675
Deferred (benefit) expense	(2,036)	(1,353)	2,020
Tax expense	$ 20,482	$ 14,727	$ 14,695

Note 9 - Federal Income Taxes_3

Note 9 - Federal Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Tax at statutory rate	$ 21,567	$ 15,915	$ 15,481
Tax-exempt interest	(862)	(695)	(658)
Bank owned life insurance	(303)	(334)	(233)
Other	80	(159)	105
Tax expense	$ 20,482	$ 14,727	$ 14,695

Note 9 - Federal Income Taxes_4

Note 9 - Federal Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Allowance for credit losses	$ 10,482	$ 8,872
Deferred compensation	226	232
Stock compensation	1,005	1,018
Nonaccrual loan interest income	132	136
Unrealized loss on securities	13,420	17,369
Lease liability	775	810
Other	779	494
Deferred tax asset	26,819	28,931
Depreciation	337	697
Prepaid expenses	612	504
Core deposit intangible	0	120
Mortgage loan servicing rights	2,382	2,486
Deferred loan fees and costs	509	211
Right of use lease asset	775	810
Business combination adjustments	1,770	1,877
Other	447	326
Deferred tax liability	6,832	7,031
Total net deferred tax asset	$ 19,987	$ 21,900

Note 10 - Stock-based Compens_3

Note 10 - Stock-based Compensation (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	393,000
Performance Shares [Member] | Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	25,239	26,112	22,703
Performance Shares [Member] | Executive Officer [Member] | The 2021 Award [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		11,350
Performance Shares [Member] | Executive Officer [Member] | The 2020 Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		2,778	11,454
Performance Shares [Member] | Executive Officer [Member] | The 2019 Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		690	23,053
Performance Shares [Member] | Executive Officer [Member] | The 2018 Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			22,836
Noninterest Expense [Member]
Share-Based Payment Arrangement, Expense	$ 3.4	$ 3.4	$ 3.8

Note 10 - Stock-based Compens_4

Note 10 - Stock-based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock [Member] - Mercantile Plans [Member]	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Nonvested at beginning of year (in shares) | shares	374,771
Nonvested at beginning of year (in dollars per share) | $ / shares	$ 30.49
Granted (in shares) | shares	95,084
Granted (in dollars per share) | $ / shares	$ 40.23
Vested (in shares) | shares	(109,414)
Vested (in dollars per share) | $ / shares	$ 27.01
Forfeited (in shares) | shares	(4,551)
Forfeited (in dollars per share) | $ / shares	$ 28.7
Nonvested at end of year (in shares) | shares	355,890
Nonvested at end of year (in dollars per share) | $ / shares	$ 34.18

Note 10 - Stock-based Compens_5

Note 10 - Stock-based Compensation - Summary of Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Exercised (in shares)		(1,355)	(2,000)
Mercantile Plans [Member]
Outstanding at beginning of year (in shares)	5,000
Outstanding at beginning of year, weighted average exercise price (in dollars per share)	$ 36.22
Granted (in shares)	0
Exercised (in shares)	0
Forfeited or expired (in shares)	(5,000)
Forfeited or expired, weighted average exercise price (in dollars per share)	$ 34.89
Outstanding at end of year (in shares)	0	5,000
Outstanding at end of year, weighted average exercise price (in dollars per share)	$ 0	$ 36.22
Options exercisable at year end (in shares)	0
Options exercisable at year-end, weighted average exercise price (in dollars per share)	$ 0

Note 10 - Stock-based Compens_6

Note 10 - Stock-based Compensation - Summary of Information Related to Options Outstanding (Details) - Mercantile Plans [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Minimum exercise price (in dollars per share)	$ 36.22	$ 27.66
Maximum Exercise Price (in dollars per share)	$ 36.22	$ 36.22
Average remaining option term (Year)	10 months 24 days	1 year 8 months 12 days

Note 10 - Stock-based Compens_7

Note 10 - Stock-based Compensation - Summary of Stock Option Grants and Exercises (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Proceeds from stock option exercises, net of cashless exercises	$ 0	$ 36	$ 50
Mercantile Plans [Member]
Aggregate intrinsic value of stock options exercised		16	13
Proceeds from stock option exercises, net of cashless exercises		36	50
Tax benefit realized from stock option exercises		$ 0	$ 0

Note 10 - Stock-based Compens_8

Note 10 - Stock-based Compensation - Shares Grant to Board Directors (Details) - Corporate and Bank Board Directors [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Shares Granted (in shares)	11,529	11,166	10,489	17,716
Total Cost	$ 350	$ 359	$ 344	$ 394

Note 11 - Related Parties (Deta

Note 11 - Related Parties (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Deposits and Repurchase Agreements	$ 20,700	$ 21,500
Directors and Executive Officers [Member]
Loan Commitments to Related Parties	124,000	116,000
Loans and Leases Receivable, Related Parties	$ 89,507	$ 92,660	$ 87,672

Note 11 - Related Parties - Loa

Note 11 - Related Parties - Loans Outstanding to Directors and Executive Officers (Details) - Directors and Executive Officers [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Beginning balance	$ 92,660	$ 87,672
New loans	3,221	10,619
Repayments	(5,410)	(5,631)
Effect of changes in related parties	(964)	0
Ending balance	$ 89,507	$ 92,660

Note 12 - Commitments and Off_3

Note 12 - Commitments and Off-balance-sheet Risk (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss	$ 49,914	$ 42,246	$ 35,363	$ 37,967
Term Debt, Secured by Real Estate Balloon Payment, Period (Year)	5 years
Minimum [Member]
Amortization Period for Term Debt, Secured by Real Estate (Year)	10 years
Term Debt Secured, by Non-real Estate Collateral Maturity Period (Year)	3 years
Maximum [Member]
Amortization Period for Term Debt, Secured by Real Estate (Year)	25 years
Term Debt Secured, by Non-real Estate Collateral Maturity Period (Year)	7 years
Retail and Commercial Lines of Credit and Credit Card Receivables [Member]
Financing Receivable, Allowance for Credit Loss	$ 1,300	$ 100
Commercial Line of Credit Facilities [Member] | Minimum [Member]
Line of Credit Facility, Expiration Period (Month)	12 months
Commercial Line of Credit Facilities [Member] | Maximum [Member]
Line of Credit Facility, Expiration Period (Month)	24 months

Note 12 - Commitments and Off_4

Note 12 - Commitments and Off-balance Sheet Risk - Exposure to Credit Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Contractual amounts of financial instruments with off-balance sheet risk	$ 2,113,504	$ 1,908,294
Standby Letters of Credit [Member]
Contractual amounts of financial instruments with off-balance sheet risk	19,393	23,539
Unused lines of Credit [Member] | Commercial Portfolio Segment [Member]
Contractual amounts of financial instruments with off-balance sheet risk	1,557,429	1,283,703
Unused lines of Credit [Member] | One to Four Family Mortgages [Member]
Contractual amounts of financial instruments with off-balance sheet risk	74,120	71,972
Unused lines of Credit [Member] | Consumer Credit Card [Member]
Contractual amounts of financial instruments with off-balance sheet risk	142,096	123,687
Unused lines of Credit [Member] | Consumer Other Financing Receivable 1 [Member]
Contractual amounts of financial instruments with off-balance sheet risk	50,063	75,747
Loan Origination Commitments [Member]
Contractual amounts of financial instruments with off-balance sheet risk	$ 270,403	$ 329,646

Note 12 - Commitments and Off_5

Note 12 - Commitments and Off-balance-sheet Risk - Instruments Carried at Fair Values (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Contractual amounts of financial instruments with off-balance sheet risk	$ 2,113,504	$ 1,908,294
Standby Letters of Credit [Member]
Standby letters of credit, contract amount	19,393	23,539
Contractual amounts of financial instruments with off-balance sheet risk	$ 99	$ 108

Note 13 - Benefit Plans (Detail

Note 13 - Benefit Plans (Details Textual) - USD ($) $ in Millions	12 Months Ended			69 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay				5%
Defined Contribution Plan, Cost	$ 2.3	$ 2.2	$ 2.1
Interest Expense, Deferred Compensation Plan	$ 0.1	$ 0.1	$ 0.1
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)	1,410	1,388	1,481
Common Stock Including Additional Paid in Capital [Member]
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)	1,410	1,388
Stock Purchase Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	250,000			250,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	234,500			234,500
Other Liabilities [Member]
Deferred Compensation Liability, Current and Noncurrent	$ 1.1	$ 1.1		$ 1.1

Note 14 - Derivatives and Hed_3

Note 14 - Derivatives and Hedging Activities (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Noninterest Expense	$ 17,767	$ 14,324	$ 14,558
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Other Noninterest Expense	$ 300	$ 100

Note 14 - Derivatives and Hed_4

Note 14 - Derivatives and Hedging Activities - Fair Value of Derivative Instruments (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Derivative Assets Interest rate swaps	$ 27,505	$ 26,173
Derivative Liabilities Interest rate swaps	27,964	26,377
Other Assets [Member]
Notional Amount	676,526	401,572
Derivative Assets Interest rate swaps	27,505	26,173
Other Liabilities [Member]
Notional Amount	674,499	401,572
Derivative Liabilities Interest rate swaps	$ 27,964	$ 26,377

Note 14 - Derivatives and Hed_5

Note 14 - Derivatives and Hedging Activities - The Netting Arrangement of Derivative Instruments (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Derivative Assets Interest rate swaps	$ 27,505	$ 26,173
Financial instruments, derivative assets	5,175	415
Cash collaterl, derivative assets	14,010	24,760
Net amount, derivative assets	8,320	998
Derivative Liabilities Interest rate swaps	27,964	26,377
Financial instruments, derivative liability	5,175	415
Cash collaterl, derivative liability	3,120	0
Net amount, derivative liability	$ 19,669	$ 25,962

Note 15 - Fair Values of Fina_3

Note 15 - Fair Values of Financial Instruments - Fair Value Hierarchy of Financial Instruments (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Securities available for sale		$ 617,092	$ 602,936
Loan, Mortgage, Held-for-Sale, Fair Value Disclosure		19,000	3,600
Interest Rate Swap [Member]
Derivative Asset		27,505	26,173
Derivative Liability		27,964	26,377
Fair Value, Inputs, Level 1 [Member]
Securities available for sale		0	0
Reported Value Measurement [Member]
Securities available for sale	[1]	617,092	602,936
Federal Home Loan Bank stock	[2]	21,513	17,721
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents		130,533	96,772
Reported Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Loans, net		4,253,844	3,874,373
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Loan, Mortgage, Held-for-Sale, Fair Value Disclosure		18,607	3,565
Accrued interest receivable		19,806	15,476
Deposits		3,900,918	3,712,811
Securities sold under agreements to repurchase		229,734	194,340
Federal Home Loan Bank advances		467,910	308,263
Accrued interest payable		9,012	3,223
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Subordinated Debentures [Member]
Subordinated debt		49,644	48,958
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Subordinated Notes [Member]
Subordinated debt		88,971	88,628
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Derivative Asset		27,505	26,173
Derivative Liability		27,964	26,377
Estimate of Fair Value Measurement [Member]
Securities available for sale	[1]	617,092	602,936
Federal Home Loan Bank stock	[2]	21,513	17,721
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and cash equivalents		130,533	96,772
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Loans, net		4,191,644	3,800,042
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Loan, Mortgage, Held-for-Sale, Fair Value Disclosure		19,027	3,643
Accrued interest receivable		19,806	15,476
Deposits		3,814,778	3,379,403
Securities sold under agreements to repurchase		229,734	194,340
Federal Home Loan Bank advances		454,857	292,044
Accrued interest payable		9,012	3,223
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Subordinated Debentures [Member]
Subordinated debt		49,653	49,531
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Subordinated Notes [Member]
Subordinated debt		77,218	75,024
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Derivative Asset		27,505	26,173
Derivative Liability		$ 27,964	$ 26,377
[1]See Note 16 for a description of the fair value hierarchy as well as a disclosure of levels for classes of financial assets and liabilities.[2]It is not practical to determine the fair value of FHLBI stock due to transferability restrictions; therefore, fair value is estimated at carrying amount.

Note 16 - Fair Value Measurem_3

Note 16 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale	$ 617,092	$ 602,936
Loan, Mortgage, Held-for-Sale, Fair Value Disclosure	$ 19,000	3,600
Real Estate Dependent Loans and Foreclosed Assets Estimated Selling Costs [Member]
Fair Value Inputs, Discount Factor	10%
Maximum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member]
Fair Value Inputs, Discount Factor	50%
Maximum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member]
Fair Value Inputs, Discount Factor	50%
Minimum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member]
Fair Value Inputs, Discount Factor	25%
Minimum [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member]
Fair Value Inputs, Discount Factor	25%
Weighted Average [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Commercial Real Estate [Member]
Fair Value Inputs, Discount Factor	44.50%
Weighted Average [Member] | Real Estate Dependent Loans and Foreclosed Assets [Member] | Residential Real Estate [Member]
Fair Value Inputs, Discount Factor	25.90%
Municipal General Obligation Bonds [Member]
Debt Securities, Available-for-Sale	$ 167,860	154,433
Fair Value, Inputs, Level 1 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Inputs, Level 3 [Member] | Municipal General Obligation Bonds [Member] | Maximum [Member]
Debt Securities, Available-for-Sale, Decrease Due to Scheduled Maturities	100	100
Available-for-Sale Securities [Member]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	$ 0	$ 0

Note 16 - Fair Value Measurem_4

Note 16 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale	$ 617,092	$ 602,936
Fair Value, Inputs, Level 1 [Member]
Debt Securities, Available-for-Sale	0	0
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale	390,496	388,744
Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale	29,473	31,953
Municipal General Obligation Bonds [Member]
Debt Securities, Available-for-Sale	167,860	154,433
Municipal Revenue Bonds [Member]
Debt Securities, Available-for-Sale	28,763	27,306
Other Debt and Equity Securities [Member]
Debt Securities, Available-for-Sale	500	500
Fair Value, Recurring [Member]
Total assets	644,597	629,109
Total liabilities	27,964	26,377
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Total assets	0	0
Total liabilities	0	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Total assets	644,084	628,531
Total liabilities	27,964	26,377
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Total assets	513	578
Total liabilities	0	0
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale	390,496	388,744
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Available-for-Sale	390,496	388,744
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale	29,473	31,953
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Available-for-Sale	29,473	31,953
Fair Value, Recurring [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member]
Debt Securities, Available-for-Sale	167,860	154,433
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Available-for-Sale	167,347	153,855
Fair Value, Recurring [Member] | Municipal General Obligation Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Available-for-Sale	513	578
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member]
Debt Securities, Available-for-Sale	28,763	27,306
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Available-for-Sale	28,763	27,306
Fair Value, Recurring [Member] | Municipal Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member]
Debt Securities, Available-for-Sale	500	500
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Available-for-Sale	500	500
Fair Value, Recurring [Member] | Other Debt and Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Available-for-Sale	0	0
Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Derivative Asset	27,505	26,173
Derivative Liability	27,964	26,377
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative Asset	0	0
Derivative Liability	0	0
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative Asset	27,505	26,173
Derivative Liability	27,964	26,377
Fair Value, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative Asset	0	0
Derivative Liability	$ 0	$ 0

Note 16 - Fair Value Measurem_5

Note 16 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Collateral dependent loans	$ 1,434	$ 5,290
Foreclosed assets	200
Total	1,634
Fair Value, Inputs, Level 1 [Member]
Collateral dependent loans	0	0
Foreclosed assets	0
Total	0
Fair Value, Inputs, Level 2 [Member]
Collateral dependent loans	0	0
Foreclosed assets	0
Total	0
Fair Value, Inputs, Level 3 [Member]
Collateral dependent loans	1,434	$ 5,290
Foreclosed assets	200
Total	$ 1,634

Note 17 - Earnings Per Share (D

Note 17 - Earnings Per Share (Details Textual) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	5,000	7,000

Note 17 - Earnings Per Share -

Note 17 - Earnings Per Share - Computation of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net income attributable to common shares	$ 82,217	$ 61,063	$ 59,021
Weighted average common shares outstanding (in shares)	16,015,678	15,859,889	15,986,857
Basic earnings per common share (in dollars per share)	$ 5.13	$ 3.85	$ 3.69
Net income	$ 82,217	$ 61,063	$ 59,021
Weighted average common shares outstanding for basic earnings per common share (in shares)	16,015,678	15,859,889	15,986,857
Add: Dilutive effects of share-based awards (in shares)	0	12	446
Average shares and dilutive potential common shares (in shares)	16,015,678	15,859,901	15,987,303
Diluted earnings per common share (in dollars per share)	$ 5.13	$ 3.85	$ 3.69

Note 18 - Variable Interest E_3

Note 18 - Variable Interest Entities (Details Textual) $ in Thousands			12 Months Ended
	Jan. 26, 2016 USD ($)	Jun. 01, 2014 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Number of Business Trusts			5
Business Combination Debt Assumed Number of Trusts			4
Fair Value Discount of Subordinated Debentures Related to Assumed Business Trusts at Time af Merger		$ 15,000
Amortization of Fair Value Discount Related to Subordinated Debentures of Assumed Business Trusts		$ 700
Amortization Period of Fair Value Discount Related to Subordinated Debentures of Assumed Business Trusts (Year)		21 years 6 months
Preferred Securities of Subsidiary Trust			$ 47,600	$ 46,900
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Total			49,644	48,958
Other Assets [Member]
Low-Income Housing Tax Credit and Historic Tax Credits, Investment			25,700	3,200
Other Liabilities [Member]
Low-Income Housing Tax Credit and Historic Tax Credits, Commitment			21,100	$ 1,400
Mercantile Bank Capital Trust I [Member]
Preferred Securities of Subsidiary Trust	$ 32,000		$ 21,000
Payments for Repurchase of Trust Preferred Securities	11,000
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Total	21,000
Fund [Member] | Mercantile Bank Capital Trust I [Member]
Preferred Securities of Subsidiary Trust	$ 11,000
Five Business Trusts [Member]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage			100%

Note 18 - Variable Interest E_4

Note 18 - Variable Interest Entities - Business Trusts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 26, 2016
Preferred securities outstanding	$ 47.6	$ 46.9
Mercantile Bank Capital Trust I [Member]
Preferred securities outstanding	$ 21		$ 32
Mercantile Bank Capital Trust I [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Interest rate margin	2.18%
Firstbank Capital Trust I [Member]
Preferred securities outstanding	$ 10
Firstbank Capital Trust I [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Interest rate margin	1.99%
Firstbank Capital Trust II [Member]
Preferred securities outstanding	$ 10
Firstbank Capital Trust II [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Interest rate margin	1.27%
Firstbank Capital Trust III [Member]
Preferred securities outstanding	$ 7.5
Firstbank Capital Trust III [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Interest rate margin	1.35%
Firstbank Capital Trust IV [Member]
Preferred securities outstanding	$ 7.5
Firstbank Capital Trust IV [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Interest rate margin	1.35%

Note 18 - Variable Interest E_5

Note 18 - Variable Interest Entities - Unconsolidated Variable Interest Entities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Aggregate Assets	$ 5,353,224	$ 4,872,619
Aggregate Liabilities	4,831,079	4,431,211
Variable Interest Entity, Not Primary Beneficiary [Member]
Aggregate Assets	58,074	58,100
Aggregate Liabilities	56,000	56,000
Risk of Loss	2,074	2,100
Variable Interest Entity, Primary Beneficiary [Member]
Aggregate Assets	25,659	3,214
Aggregate Liabilities	21,103	1,375
Risk of Loss	$ 4,556	$ 1,839

Note 19 - Subordinated Notes (D

Note 19 - Subordinated Notes (Details Textual) - Subordinated Notes [Member] - USD ($) $ in Millions	Jan. 14, 2022	Dec. 15, 2021	Dec. 31, 2023	Dec. 31, 2022
Subordinated Debt, Principal Amount	$ 15	$ 75
Subordinated Borrowing, Interest Rate		3.25%
Subordinated Borrowing, Redemption Price, Percentage of Principal Amount		100%
Increase to Equity Capital From Issuance of Subordinated Long-term Debt	$ 15	$ 70
Debt Issuance Costs, Gross			$ 1	$ 1.4
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		2.12%

Note 20 - Regulatory Matters (D

Note 20 - Regulatory Matters (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions					12 Months Ended
	Oct. 12, 2023	Jul. 13, 2023	Apr. 13, 2023	Jan. 12, 2023	Dec. 31, 2023	Dec. 31, 2022	May 31, 2021	Dec. 31, 2009
Capital Conservation Buffer					2.50%
Common Equity Tier 1 Risk Based Capital Required For Capital Adequacy to Risk Weighted Assets					0.07
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets					0.085
Capital Required for Capital Adequacy to Risk Weighted Assets					0.105
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval					$ 151
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.34	$ 0.34	$ 0.33	$ 0.33
Stock Repurchase Program, Remaining Authorized Repurchase Amount					$ 6.8
Stock Repurchase Program, Authorized Amount							$ 20
Stock Repurchased During Period, Shares (in shares)					0	0
Preferred Securities of Subsidiary Trust					$ 47.6	$ 46.9
Maximum Restricted Core Element Allowed in Tier One Capital Percent					25%
Maximum Level of Consolidated Aggregate Assets Allowing for Inclusion of Trust Preferred Securities in Tier One Capital								$ 15,000
Trust Preferred Securities Included in Tier One Capital					$ 47.6	$ 46.9

Note 20 - Regulatory Matters -

Note 20 - Regulatory Matters - Actual Capital Levels and Minimum Levels (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Total capital minimum required for capital adequacy, ratio	0.105
Tier 1 capital minimum required for capital adequacy, ratio	0.085
Common equity tier 1 capital minimum required for capital adequacy, ratio	0.07
Consolidated Entities [Member]
Total capital, amount	$ 710,905	$ 634,729
Total capital, ratio	0.137	0.14
Total capital minimum required for capital adequacy, amount	$ 415,841	$ 362,675
Total capital minimum required for capital adequacy, ratio	0.08	0.08
Tier 1 capital, amount	$ 570,730	$ 503,855
Tier 1 capital, ratio	0.11	0.111
Tier 1 capital minimum required for capital adequacy, amount	$ 311,881	$ 272,007
Tier 1 capital minimum required for capital adequacy, ratio	0.06	0.06
Common equity tier 1, amount	$ 523,160	$ 456,970
Common equity tier 1, ratio	0.101	0.101
Common equity tier 1 minimum required for capital adequacy, amount	$ 233,911	$ 204,005
Common equity tier 1 capital minimum required for capital adequacy, ratio	0.045	0.045
Tier 1 capital to average assets, amount	$ 570,730	$ 503,855
Tier 1 capital to average assets, ratio	0.108	0.101
Tier 1 capital to average assets, minimum required for capital adequacy, amount	$ 210,527	$ 199,647
Tier 1 capital to average assets minimum required for capital adequacy, ratio	0.04	0.04
Bank [Member]
Total capital, amount	$ 694,431	$ 618,709
Total capital, ratio	0.134	0.137
Total capital minimum required for capital adequacy, amount	$ 414,019	$ 362,490
Total capital minimum required for capital adequacy, ratio	0.08	0.08
Total capital to be well capitalized, amount	$ 517,524	$ 453,112
Total capital to be well capitalized, ratio	0.10	0.10
Tier 1 capital, amount	$ 643,227	$ 576,463
Tier 1 capital, ratio	0.124	0.127
Tier 1 capital minimum required for capital adequacy, amount	$ 310,514	$ 271,868
Tier 1 capital minimum required for capital adequacy, ratio	0.06	0.06
Tier 1 capital to be well capitalized, amount	$ 414,019	$ 362,490
Tier 1 capital to be well capitalized, ratio	0.08	0.08
Common equity tier 1, amount	$ 643,227	$ 576,463
Common equity tier 1, ratio	0.124	0.127
Common equity tier 1 minimum required for capital adequacy, amount	$ 232,886	$ 203,901
Common equity tier 1 capital minimum required for capital adequacy, ratio	0.045	0.045
Common equity tier 1 capital to be well capitalized, amount	$ 336,391	$ 294,523
Common equity tier 1 capital to be well capitalized, ratio	0.065	0.065
Tier 1 capital to average assets, amount	$ 643,227	$ 576,463
Tier 1 capital to average assets, ratio	0.122	0.116
Tier 1 capital to average assets, minimum required for capital adequacy, amount	$ 210,427	$ 199,563
Tier 1 capital to average assets minimum required for capital adequacy, ratio	0.04	0.04
Tier 1 capital to average assets to be well capitalized, amount	$ 263,034	$ 249,453
Tier 1 capital to average assets to be well capitalized, ratio	0.05	0.05

Note 21 - Mercantile Bank Cor_3

Note 21 - Mercantile Bank Corporation (Parent Company Only) Condensed Financial Statements - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Other assets	$ 125,566	$ 95,576
Total assets	5,353,224	4,872,619
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities	4,831,079	4,431,211
Subordinated debentures	49,644	48,958
Subordinated notes	88,971	88,628
Shareholders’ equity	522,145	441,408	$ 456,559	$ 441,554
Total liabilities and shareholders’ equity	5,353,224	4,872,619
Parent Company [Member]
ASSETS
Cash and cash equivalents	18,969	18,633
Investments in bank subsidiaries	627,604	543,599
Other assets	17,228	19,786
Total assets	663,801	582,018
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities	3,040	3,024
Subordinated debentures	49,644	48,958
Subordinated notes	88,971	88,628
Shareholders’ equity	522,146	441,408
Total liabilities and shareholders’ equity	$ 663,801	$ 582,018

Note 21 - Mercantile Bank Cor_4

Note 21 - Mercantile Bank Corporation (Parent Company Only) Condensed Financial Statements - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income
Interest and dividends from subsidiaries	$ 271,358	$ 181,839	$ 143,494
Expenses
Interest expense	77,813	23,595	19,432
Federal income tax benefit	20,482	14,727	14,695
Net income	82,217	61,063	59,021
Other comprehensive income (loss)	14,854	(61,612)	(9,215)
Comprehensive income (loss)	97,071	(549)	49,806
Parent Company [Member]
Income
Interest and dividends from subsidiaries	26,660	26,056	39,058
Total income	26,660	26,056	39,058
Expenses
Interest expense	8,091	6,104	1,934
Other operating expenses	5,674	5,645	5,831
Total expenses	13,765	11,749	7,765
Income before income tax benefit and equity in undistributed net income of subsidiary	12,895	14,307	31,293
Federal income tax benefit	(2,858)	(2,535)	(1,653)
Equity in undistributed net income of subsidiary	66,464	44,221	26,075
Net income	82,217	61,063	59,021
Other comprehensive income (loss)	14,854	(61,612)	(9,215)
Comprehensive income (loss)	$ 97,071	$ (549)	$ 49,806

Note 21 - Mercantile Bank Cor_5

Note 21 - Mercantile Bank Corporation (Parent Company Only) Condensed Financial Statements - Condensed Statement of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income	$ 82,217	$ 61,063	$ 59,021
Adjustments to reconcile net income to net cash from operating activities:
Stock-based compensation expense	3,384	3,377	3,784
Stock grants to directors for retainer fee	350	359	344
Other assets	(30,189)	(437)	(12,655)
Accrued interest and other liabilities	14,252	32,524	(3,513)
Cash flows from investing activities
Net cash for investing activities	(395,932)	(554,999)	(495,507)
Cash flows from financing activities
Proceeds from stock option exercises, net of cashless exercises	0	36	50
Employee stock purchase plan	45	45	48
Dividend reinvestment plan	891	867	877
Net proceeds from subordinated notes issuance	0	14,645	73,635
Repurchases of common stock	0	0	(21,380)
Payment of cash dividends to common shareholders	(21,004)	(19,602)	(18,524)
Net cash (for) from financing activities	363,080	(443,251)	780,088
Net change in cash and cash equivalents	33,761	(878,388)	349,154
Cash and cash equivalents at beginning of period	96,772	975,160	626,006
Cash and cash equivalents at end of period	130,533	96,772	975,160
Parent Company [Member]
Cash flows from operating activities
Net income	82,217	61,063	59,021
Adjustments to reconcile net income to net cash from operating activities:
Equity in undistributed net income of subsidiary	(66,464)	(44,221)	(26,075)
Stock-based compensation expense	3,384	3,377	3,784
Stock grants to directors for retainer fee	350	359	344
Other assets	(128)	858	49
Accrued interest and other liabilities	1,045	1,636	(5)
Net cash from operating activities	20,404	23,072	37,118
Cash flows from investing activities
Net capital investment into subsidiaries	0	(15,000)	(70,000)
Net cash for investing activities	0	(15,000)	(70,000)
Cash flows from financing activities
Proceeds from stock option exercises, net of cashless exercises	0	36	50
Employee stock purchase plan	45	45	48
Dividend reinvestment plan	891	867	877
Net proceeds from subordinated notes issuance	0	14,645	73,635
Repurchases of common stock	0	0	(21,380)
Payment of cash dividends to common shareholders	(21,004)	(19,602)	(18,524)
Net cash (for) from financing activities	(20,068)	(4,009)	34,706
Net change in cash and cash equivalents	336	4,063	1,824
Cash and cash equivalents at beginning of period	18,633	14,570	12,746
Cash and cash equivalents at end of period	$ 18,969	$ 18,633	$ 14,570

Note 22 - Subsequent Events (De

Note 22 - Subsequent Events (Details Textual) - $ / shares							12 Months Ended
	Mar. 13, 2024	Jan. 11, 2024	Oct. 12, 2023	Jul. 13, 2023	Apr. 13, 2023	Jan. 12, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)							$ 1.34	$ 1.26	$ 1.18
Common Stock, Dividends, Per Share, Declared (in dollars per share)			$ 0.34	$ 0.34	$ 0.33	$ 0.33
Forecast [Member]
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)	$ 0.35
Subsequent Event [Member]
Dividends Payable, Date Declared		Jan. 11, 2024
Common Stock, Dividends, Per Share, Declared (in dollars per share)		$ 0.35
Dividends Payable, Date to be Paid		Mar. 13, 2024
Dividends Payable, Date of Record		Mar. 01, 2024