CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net income	$ 65,218	$ 20,862
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of premises and equipment	1,746	1,860
(Reversal of) provision for credit losses	(7,415)	31,000
Amortization of intangibles	1,015	1,304
Net accretion of loans	(2,803)	(3,752)
Accretion on bank premises	(45)	(45)
Accretion on deposits	(1,248)	(2,673)
Accretion on borrowings, net	(36)	(104)
Stock-based compensation	1,957	1,201
Gains on sales/redemptions of securities available-for-sale, net	(195)	(29)
Losses (gains) on equity securities, net	164	(222)
Gain on sale of branches	(674)
Net losses on disposition of fixed assets	27
Gains on sales of loans held-for-sale, net	(1,554)	(630)
Loans originated for resale	(30,600)	(17,141)
Proceeds from sale of loans held-for sale	40,043	30,894
Payments on loans held-for-sale	18	172
Gain on sale of other real estate owned	(18)
Increase in cash surrender value of bank owned life insurance	(2,249)	(2,095)
Amortization of premiums and accretion of discounts on securities available-for-sale, net	3,152	2,512
Amortization of subordinated debentures issuance costs	152	170
Decrease (increase) in accrued interest receivable	1,316	(6,035)
Net change in operating leases	(439)	2,051
Decrease in other assets	48,236	25,042
Increase (decrease) in other liabilities	3,705	(8,602)
Net cash provided by operating activities	119,473	75,740
Cash flows from investing activities
Purchases	(126,641)	(108,584)
Sales		19,624
Maturities, calls and principal repayments	147,342	97,625
Purchases of equity securities		(2,000)
Net redemptions of restricted investment in bank stocks	2,536	3,805
Net increase in loans	(173,384)	(463,094)
Purchases of bank owned life insurance	(25,000)	(25,000)
Purchases of premises and equipment	(541)	(855)
Proceeds from sale of branches	1,087
Proceeds from sale of OREO	321	992
Cash and cash equivalents acquired in acquisition, net		87,391
Net cash used in investing activities	(174,280)	(390,096)
Cash flows from financing activities
Net increase in deposits	234,537	276,614
(Repayment of) increase in subordinated debentures	(50,000)	73,421
Advances of borrowings	100,000	1,376,489
Repayments of borrowings	(172,456)	(1,259,358)
Repurchase of treasury stock	(2,411)	(911)
Cash dividends paid on common stock	(7,964)	(3,545)
Proceeds from exercise of stock options	45	163
Share redemption for tax withholdings on performance units and restricted stock units earned	(1,283)	(639)
Net cash provided by financing activities	100,468	462,234
Net change in cash and cash equivalents	45,661	147,878
Cash and cash equivalents at beginning of period	303,756	201,483
Cash and cash equivalents at end of period	349,417	349,361
Cash payments for:
Interest paid on deposits and borrowings	23,236	41,189
Income taxes	20,299	12,096
Investing:
Transfer of loans from held-for-investment to other real estate owned	304
Transfer of loans from held-for-investment to held-for-sale	9,356	10,995
Transfer of loans from held-for-sale to held-for-investment		19,738
Business combinations:
Fair value of assets acquired		949,282
Fair value of liabilities assumed		$ 852,729