Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net income	$ 62,187,000	$ 39,260,000
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	8,857,000	9,855,000
Provision for credit losses	5,900,000	3,500,000
Stock-based compensation expense	2,505,000	2,398,000
Stock grants to directors for retainer fee	317,000	347,000
Proceeds from sales of mortgage loans held for sale	143,323,000	195,374,000
Origination of mortgage loans held for sale	(144,886,000)	(186,881,000)
Net gain from sales of mortgage loans held for sale	(5,043,000)	(6,787,000)
Net gain from sales and valuation write-downs of foreclosed assets	(391,000)	(47,000)
Net loss from sales and valuation write-downs of former bank premises	2,000	275,000
Net loss (gain) from sales and write-downs of fixed assets	369,000	(18,000)
Earnings on bank owned life insurance	(1,224,000)	(1,310,000)
Net gain on instruments designated at fair value and related derivatives	(21,000)	(149,000)
Net change in:
Accrued interest receivable	(4,131,000)	(4,677,000)
Other assets	(13,015,000)	(407,000)
Accrued interest payable and other liabilities	19,163,000	32,060,000
Net cash from operating activities	73,912,000	82,793,000
Cash flows from investing activities
Loan originations and payments, net	(188,007,000)	(426,842,000)
Purchases of securities available for sale	(13,017,000)	(91,200,000)
Proceeds from maturities, calls and repayments of securities available for sale	12,856,000	13,262,000
Proceeds from sales of foreclosed assets	452,000	47,000
Proceeds from sales of former bank premises	598,000	2,994,000
Purchases of Federal Home Loan Bank stock	(3,792,000)	0
Proceeds from Federal Home Loan Bank stock redemption	0	281,000
Proceeds from bank owned life insurance death benefits claim	0	628,000
Net purchases of premises and equipment and lease activity	(6,141,000)	(2,166,000)
Net cash for investing activities	(197,051,000)	(502,996,000)
Cash flows from financing activities
Net (decrease) increase in time deposits	282,296,000	(53,239,000)
Net decrease in all other deposits	(94,372,000)	(183,869,000)
Net (decrease) increase in securities sold under agreements to repurchase	(30,258,000)	1,142,000
Maturities of Federal Home Loan Bank advances	(50,353,000)	(64,000,000)
Proceeds from Federal Home Loan Bank advances	200,000,000	28,263,000
Net proceeds from subordinated notes issuance	0	14,645,000
Proceeds from stock option exercises, net of cashless exercises	0	36,000
Employee stock purchase plan	33,000	33,000
Dividend reinvestment plan	670,000	653,000
Payment of cash dividends to common shareholders	(15,662,000)	(14,607,000)
Net cash (for) from financing activities	292,354,000	(270,943,000)
Net change in cash and cash equivalents	169,215,000	(691,146,000)
Cash and cash equivalents at beginning of period	96,772,000	975,160,000
Cash and cash equivalents at end of period	265,987,000	284,014,000
Supplemental disclosures of cash flows information
Interest	48,664,000	15,372,000
Federal income tax	18,590,000	6,000,000
Noncash financing and investing activities:
Transfers from premises and equipment to other assets	0	2,847,000
Transfers from bank premises to other real estate owned	600,000	0
Transfers from loans to foreclosed assets	$ 112,000	$ 0