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	$ 59,425	$ 60,555	$ 39,466
Adjustments to reconcile net income to net cash:
Net depreciation amortization and accretion	4,338	5,063	4,603
Provision for loan losses	10,116	3,816	9,488
Stock-based compensation	7,836	4,821	3,312
Net change in deferred loan fees	5,374	2,332	296
Deferred income tax (benefit) expense	(4,000)	(120)	290
(Gain) loss on sale of securities		(609)	(3,286)
(Gain) loss on sale of loans			190
Dividends earned on CRA fund	(33)	(22)	(41)
Unrealized (gain) loss on equity securities	258	62	(48)
Net change in:
Receivable from global payments, net	(45,741)	(12,605)	(15,678)
Third-party debit cardholder balances	1,732	(6,983)	16,227
Other assets	3,407	6,167	(5,121)
Other liabilities	43,179	(25,200)	37,572
Net cash provided by (used in) operating activities	85,891	37,277	87,270
Cash flows from investing activities
Loan originations, purchases and payments, net	(1,113,963)	(618,323)	(476,419)
Proceeds from loans sold		16,622	11,476
Redemptions of other investments	20,030	7	10,980
Purchases of other investments	(30,142)	(407)	(1,140)
Purchase of securities available-for-sale	(33,776)	(484,793)	(234,366)
Purchase of securities held-for-investment	(173,625)	(383,619)
Proceeds from sales and calls of securities available-for-sale		43,241	141,422
Proceeds from paydowns of securities available-for-sale	76,728	124,118	64,973
Proceeds from paydowns of securities held-to-maturity	44,643	4,152	932
Purchase of derivative contract			(2,980)
Purchase of premises and equipment, net	(19,245)	(3,995)	(3,913)
Net cash provided by (used in) investing activities	(1,229,350)	(1,302,997)	(489,035)
Cash flows from financing activities
Proceeds from issuance of common stock, net		162,687
Proceeds from issuance of Federal funds purchased	150,000
Proceeds from FHLB advances	975,100	150
Repayments of FHLB advances	(875,100)	(150)	(144,000)
Proceeds from exercise of stock options	194
Redemption of common stock for tax withholdings for restricted stock vesting	(1,559)	(3,385)	(881)
Redemption of subordinated debt	(24,712)
Proceeds from (repayments of) secured borrowings, net	(24,736)	(4,503)	(6,008)
Net increase (decrease) in deposits	(1,157,660)	2,605,966	1,027,739
Net cash provided by (used in) financing activities	(958,473)	2,760,765	876,850
Increase (decrease) in cash and cash equivalents	(2,101,932)	1,495,045	475,085
Cash and cash equivalents at the beginning of the period	2,359,350	864,305	389,220
Cash and cash equivalents at the end of the period	257,418	2,359,350	864,305
Cash paid for:
Interest	31,599	16,249	18,693
Income Taxes	$ 35,304	24,165	19,085
Non-cash item:
Transfer of loans from held-for-investment to held-for-sale		$ 17,492	$ 1,716