CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 58,240	$ 58,614	$ 45,353
Adjustments to reconcile net income to net cash from operating activities:
Provision for loan losses	(2,619)	(1,918)	25,570
Depreciation and amortization	6,965	6,436	6,575
Accretion and amortization	4,072	4,513	3,166
Other gains, net	(166)	(729)	(2,539)
Net gain on sales of loans	(20,764)	(51,184)	(63,531)
Proceeds from sales of loans held for sale	783,212	1,577,953	1,434,173
Loans originated for sale	(719,413)	(1,500,995)	(1,442,913)
Deferred income tax expense (benefit)	1,359	1,453	(1,588)
Earnings on bank-owned life insurance	(1,196)	(1,247)	(1,334)
Stock-based compensation	2,753	1,639	1,272
Change in valuation of mortgage servicing rights	(4,705)	(1,455)	2,834
Net change in:
Accrued interest receivable and other assets	(1,067)	3,382	(3,082)
Accrued expenses and other liabilities	16,919	(191)	1,671
Net cash provided by operating activities	123,590	96,271	5,627
Activity in securities available for sale:
Purchases	(176,713)	(61,548)	(279,727)
Sales	0	0	94,514
Maturities, prepayments, and calls	81,253	120,325	114,850
Loan originations and principal collections, net	(311,459)	(218,458)	(84,991)
Cash paid for acquisition	0	0	(687)
Goodwill adjustment related to litigation settlement	0	0	460
Purchases of premises and equipment	(4,469)	(2,920)	(3,310)
Proceeds from sales of premises and equipment	480	1,458	222
Proceeds from sales of foreclosed assets	2,051	1,302	2,441
Net cash used in investing activities	(408,857)	(159,841)	(156,228)
Cash flows from financing activities:
Net change in deposits	65,208	366,871	277,494
Net change in short-term borrowings	0	(26,550)	(10,615)
Proceeds from subordinated debt issuance, net	0	0	49,070
Proceeds from notes payable and other borrowings	0	0	75,000
Payments to tax authorities for stock-based compensation	(1,168)	(625)	(319)
Payments made on notes payable and other borrowings	0	(75,000)	(95,000)
Cash dividends paid on common stock	(8,012)	(5,385)	(2,528)
Payments to repurchase common stock	(22,699)	(9,227)	(293)
Net cash provided by (used in) financing activities	33,329	250,084	292,809
Net change in cash and cash equivalents	(251,938)	186,514	142,208
Beginning cash and cash equivalents	486,821	300,307	158,099
Ending cash and cash equivalents	234,883	486,821	300,307
Supplemental disclosures of cash flow information:
Interest paid on deposits and borrowed funds	21,770	13,471	16,116
Income taxes paid	13,835	12,400	13,513
Supplemental schedule of noncash activities:
Loans transferred to foreclosed assets	764	927	1,867
Business combination measurement period adjustment	0	0	1,211
Additions to mortgage servicing rights	$ 3,069	$ 9,196	$ 9,829