Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net income	$ 25,784	$ 23,779
Adjustments to reconcile net income to net cash from operating activities:
Stock-based compensation	1,863	1,780
Depreciation	2,634	2,194
Amortization of operating lease right-of-use asset	216	323
Amortization of cloud computing implementation costs	70	94
Provision (reversal) for credit losses	1,265	(68)
Net amortization (accretion) of purchase valuation adjustments	(1,182)	(49)
Amortization (accretion) of premiums and discounts on securities	(1,487)	2,327
Amortization of intangible assets	2,189	1,908
Deferred income taxes	(1,462)	426
Federal Home Loan Bank stock dividends	(493)	(321)
Loss (gain) on sales and valuation adjustments on other real estate owned	(126)	13
Net loss (gain) on sales and settlements of securities	252	1,330
Change in unrealized (gains) losses on equity securities	(268)	(40)
Loss (gain) on disposal of premises and equipment	(220)	(15)
Loss (gain) on sales of foreclosed assets	18	12
Loss (gain) on sales of loans	385	(220)
Originations of loans held for sale	(18,480)	(12,847)
Proceeds from the sale of loans held for sale	20,289	10,960
Increase in the value of bank-owned life insurance	(1,739)	(2,340)
Change in fair value of derivatives recognized in earnings	(131)	505
Gain on acquition	(1,300)
Payments on operating lease payable	(291)	(441)
Net change in:
Interest receivable	457	(730)
Other assets	5,052	8,442
Interest payable and other liabilities	(4,626)	1,437
Net cash provided by operating activities	28,669	38,459
Cash flows (to) from investing activities
Purchases of available-for-sale securities	(125,834)	(2,237)
Purchases of held-to-maturity securities	(3,015)	(275)
Proceeds from sales, calls, pay-downs and maturities of available-for-sale securities	161,812	90,222
Proceeds from calls, pay-downs and maturities of held-to-maturity securities	11	8
Net change in loans	(2,279)	(11,147)
Purchase of USDA guaranteed loans	(6,907)	(1,235)
Purchase of premises and equipment	(2,858)	(6,911)
Proceeds from sale of premises and equipment	2,285	39
Proceeds from sale of foreclosed assets	239	136
Net redemptions (purchases) of Federal Home Loan Bank and Federal Reserve Bank stock	(12,070)	887
Net redemptions (purchases) of correspondent and miscellaneous other stock	(492)	(2,613)
Proceeds from sale of other real estate owned	890	308
Purchsae of bank owned life insurance	(60,000)
Purchase of bank owned life insurance	16,174
Proceeds from bank-owned life insurance death benefits		2,071
Net cash (used in) provided by investing activities	28,870	69,253
Cash flows (to) from financing activities
Net increase (decrease) in deposits	(153,843)	(10,932)
Net change in federal funds purchased and retail repurchase agreements	(14,369)	(1,708)
Net borrowings (repayments) on Federal Home Loan Bank line of credit	150,306	(138,864)
Proceeds from Federal Home Loan Bank term advances	600,000	766,091
Principal repayments on Federal Home Loan Bank term advances	(600,000)	(666,091)
Proceeds from Federal Reserve Bank borrowings		141,000
Principal payments on Federal Reserve Bank borrowings	(140,000)	(1,000)
Proceeds from the exercise of employee stock options	292
Proceeds from employee stock purchase plan	368	458
Purchase of treasury stock	(11,859)	(17,767)
Net change in contractual obligations	(3,545)	(2,010)
Dividends paid on common stock	(3,722)	(3,218)
Net cash (used in) provided by financing activities	(176,372)	65,959
Net change in cash and cash equivalents	(118,833)	173,671
Cash and cash equivalents, beginning of period	379,099	104,428
Ending cash and cash equivalents	260,266	278,099
Supplemental cash flow information:
Interest paid	59,449	33,219
Income taxes paid, net of refunds	3,236	3,061
Supplemental noncash disclosures:
Other real estate owned acquired in settlement of loans	1,923	408
Other repossessed assets acquired in settlement of loans	338	169
Purchase of investments in tax credit structures and resulting contractual obligations	8,000	$ 16,400
Redemption of BOLI and other related noncash items	40,104
Rockhold BanCorp [Member]
Cash flows (to) from investing activities
Purchase of Net Assets of Bank of Kirksville, Net of cash acquired	60,914
Supplemental noncash disclosures:
Total fair value of assets acquired in purchase of Bank of Kirksville, net of cash	301,018
Total fair value of liabilities assumed in purchase of Bank of Kirksville	$ 360,632