CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net earnings	$ 24,143,000	$ 32,404,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	3,036,000	3,180,000
Amortization	556,000	563,000
Deferred taxes	(1,157,000)	(4,315,000)
Premium amortization, net of discount accretion	1,613,000	4,211,000
Net realized loss on sales of securities available for sale	229,000	0
Gain on sale of loans	(1,005,000)	(2,125,000)
Provision for (reversal of provision for) credit losses	0	(650,000)
Origination of loans held for sale	(32,719,000)	(62,579,000)
Proceeds from loans held for sale	34,374,000	66,084,000
Write-down of other real estate and repossessed assets	0	19,000
Net gain on sale of premises, equipment, other real estate owned and other assets	(2,944,000)	(923,000)
Stock based compensation	445,000	485,000
Net change in accrued interest receivable and other assets	(21,196,000)	(8,509,000)
Net change in accrued interest payable and other liabilities	2,778,000	420,000
Net cash provided by operating activities	8,153,000	28,265,000
Securities available for sale:
Purchases	(1,404,235,000)	(28,952,000)
Proceeds from Sales	21,268,000	0
Proceeds from maturities and principal repayments	1,386,666,000	31,248,000
Securities held to maturity:
Purchases	0	(1,043,343,000)
Proceeds from maturities and principal repayments	99,020,000	696,450,000
Net originations of loans	58,082,000	(358,088,000)
Purchases of premises and equipment	(5,464,000)	(4,574,000)
Proceeds from sale of premises, equipment, other real estate owned and other assets	3,498,000	1,853,000
Net cash provided by (used in) investing activities	158,835,000	(705,406,000)
Cash flows from financing activities
Net change in deposits	(22,861,000)	120,020,000
Net change in securities sold under agreements to repurchase	12,145,000	(6,559,000)
Proceeds from FHLB advances	2,480,000,000	325,000,000
Repayment of FHLB advances	(2,595,000,000)	(147,500,000)
Proceeds from line of credit	15,000,000	1,000,000
Repayment of line of credit	(13,000,000)	(6,000,000)
Proceeds from issuance of subordinated debt	0	34,402,000
Repayments of debentures	(1,500,000)	(3,093,000)
Purchase of treasury stock	(10,539,000)	(8,838,000)
Exercise of stock options	516,000	976,000
Cash dividends paid	(8,039,000)	(7,703,000)
Net cash (used in) provided by financing activities	(143,278,000)	301,705,000
Net change in cash and cash equivalents	23,710,000	(375,436,000)
Cash and cash equivalents at beginning of period	106,467,000	499,605,000
Cash and cash equivalents at end of period	130,177,000	124,169,000
Supplemental disclosures of cash flow information
Interest paid	39,832,000	7,307,000
Income taxes paid	6,580,000	7,100,000
Supplemental schedule of noncash investing and financing activities
Cash dividends accrued	2,658,000	2,621,000
Lease right of use assets obtained in exchange for lease liabilities	568,000	337,000
Available for sale securities transferred to held to maturity, net of unrealized loss of $13,186	0	106,157,000
Transfer of loans to other real estate owned and repossessed assets	0	32,000
Contributions from noncontrolling interest	$ 0	$ 577,000