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	$ 22,787	$ 32,515	$ 23,495
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	3,383	2,739	2,610
Amortization of premiums on available-for-sale securities, net	1,500	2,090	2,203
Capitalized additions to servicing rights	(2,710)	(537)	(1,417)
Servicing rights amortization and impairment	611	145	1,580
Amortization of core deposit intangible	1,657	1,011	677
Amortization of customer list intangible	123	123	123
Net accretion of fair value adjustments	(3,569)	(4,531)	(1,231)
Amortization of subordinated note issuance costs	116	115	50
Stock-based compensation expense	1,281	899	822
Director stock awards	180	120	73
Deferred income taxes	2,228	171	(1,805)
Provision for credit losses - loans	1,698	4,600	3,444
Provision for credit losses-Off balance sheet credit exposures	46
Gain on sale of loans held for sale	(699)	(1,353)	(3,897)
Originations of loans held for sale	(36,399)	(69,410)	(121,172)
Proceeds from sale of loans held for sale	36,349	77,650	125,095
Gain on derivatives	(40)
(Gain) loss on sale of other assets owned	135	(259)	434
(Gain) loss on sales of available-for-sale securities	891		(293)
Increase in cash surrender value of bank owned life insurance	(834)	(691)	(636)
Change in other assets and other liabilities, net	(6,588)	(4,728)	4,586
Net cash provided by operating activities	22,146	40,669	34,741
Activity in available-for-sale securities:
Maturities, prepayments and calls	24,021	31,064	56,310
Sales	21,963		9,292
Purchases	(4,392)	(38,377)	(170,629)
Activity in other securities, at cost:
Purchases	(9,004)	(1,615)	(670)
Change in interest-bearing time deposits	1,702	6,471	20,216
Proceeds from redemption of FHLB stock	1,665	1,249	1,522
Proceeds from sales of other assets owned	219	440	457
Additions to premises and equipment	(10,929)	(2,600)	(1,965)
Loan originations and principal collections, net	(219,333)	(395,610)	(167,867)
Net cash used in investing activities	(194,088)	(389,904)	(265,694)
Cash Flows from Financing Activities
Net change in deposits	138,939	165,861	170,785
Net change in federal funds purchased and securities sold under agreements to repurchase	(25,988)	24,938	(971)
Proceeds of FHLB advances	324,000	140,000
Repayment of FHLB advances	(185,664)	(37,394)	(157)
Proceeds (Repayment) of other borrowings	(10,000)	(30,000)	40,000
Purchase of treasury stock	(218)	(308)	(338)
Proceeds from issuance of subordinated notes			34,421
Cash dividends paid on common stock	(11,335)	(10,276)	(7,670)
Net cash provided by financing activities	229,734	252,821	236,070
Net Increase (Decrease) in Cash and Cash Equivalents	57,792	(96,414)	5,117
Cash and Cash Equivalents - Beginning of Year	84,409	180,823	175,706
Cash and Cash Equivalents - End of Year	142,201	84,409	180,823
Supplemental cash flow information:
Interest paid	55,119	13,748	7,048
Income taxes paid	5,421	7,702	6,150
Supplemental noncash disclosures:
Transfer of loans to other real estate owned			287
Cash dividends declared not paid	2,974	2,832	2,461
Treasury stock repurchased	$ (218)	(308)	(338)
Ossian Financial Services, Inc. [Member]
Activity in other securities, at cost:
Acquisition, net of cash received			228
Supplemental noncash disclosures:
Fair value of assets acquired			137,058
Cash paid for the capital stock			20,001
Liabilities assumed			117,057
Perpetual Federal Savings Bank [Member]
Activity in other securities, at cost:
Acquisition, net of cash received			(12,588)
Supplemental noncash disclosures:
Fair value of assets acquired			420,162
Less: common stock issued			41,078
Cash paid for the capital stock			59,234
Liabilities assumed			$ 319,850
Peoples Federal Savings And Loan [Member]
Activity in other securities, at cost:
Acquisition, net of cash received		9,074
Supplemental noncash disclosures:
Fair value of assets acquired		141,818
Less: common stock issued		13,446
Treasury stock repurchased		(3)
Cash paid for the capital stock		9,806
Liabilities assumed		$ 118,569