Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 20,645	$ 23,106
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for loan losses	59	(415)
Amortization (accretion) of discounts on acquired loans and deferred fees, net	318	(3,751)
Depreciation and amortization	1,610	1,763
Net amortization of premiums on investment securities	1,004	1,199
Net gain on sale of securities	0	(13)
Mortgage banking	$ (3,671)	$ (8,625)
Type Of Revenue Extensible List	us-gaap:MortgageBankingMember	us-gaap:MortgageBankingMember
Tri-Net	$ (2,098)	$ (2,679)
SBA lending	(494)	(870)
Net gain on disposal of premises and equipment	(14)	(5)
Net gain on sale of other real estate owned	(7)	(29)
Stock-based compensation	713	796
Deferred income tax expense	3,353	1,173
Origination of loans held for sale	(533,326)	(554,141)
Proceeds from loans held for sale	430,483	594,209
Cash payments arising from operating leases	(1,093)	(1,039)
Amortization of debt issuance expense	67	64
Net increase in accrued interest receivable and other assets	(6,502)	(6,252)
Net decrease in accrued interest payable and other liabilities	(5,993)	(10,323)
Net cash provided by (used in) operating activities	(94,946)	34,168
Cash flows from investing activities:
Purchases	(66,510)	(70,084)
Maturities, prepayments and calls	41,525	47,147
Redemption (purchase) of restricted equity securities	(2,163)	842
Net increase in loans	(162,518)	(11,459)
Purchase of premises and equipment	(301)	(215)
Proceeds from the sale of premises and equipment	415	0
Proceeds from sale of other real estate	108	2,225
Purchases of bank owned life insurance	0	(31,000)
Proceeds from bank owned life insurance	1,545	0
Net cash used in investing activities	(187,899)	(62,544)
Cash flows from financing activities:
Net increase (decrease) in deposits	(53,794)	212,193
Proceeds from Federal Home Loan Bank advances	135,000	0
Payments on Federal Home Loan Bank advances	(90,000)	(10,000)
Repurchase of common stock	(6,121)	(462)
Exercise of common stock options, net of repurchase of restricted shares	(36)	898
Common stock dividends paid	(3,504)	(2,425)
Net cash provided by financing activities	(18,455)	200,204
Net increase (decrease) in cash and cash equivalents	(301,300)	171,828
Cash and cash equivalents at beginning of period	415,125	277,439
Cash and cash equivalents at end of period	113,825	449,267
Supplemental disclosures of cash paid:
Interest paid	3,708	4,134
Income taxes paid	9,648	11,050
Supplemental disclosures of noncash transactions:
Transfer of loans to other real estate	0	1,857
Loans charged off to the allowance for loan losses	410	140
Lease liabilities arising from obtaining right-of-use assets	570	0
Unrealized losses on securities available for sale, net of tax	(34,056)	(5,647)
Loans transferred from held for sale to held for investment	$ 106,937	$ 3,102