PARENT COMPANY ONLY FINANCIAL STATEMENTS - Condensed Cash Flow Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 51,432	$ 81,553	$ 45,534
Adjustments to reconcile net income to net cash provided by operating activities:
Net amortization of discount on subordinated debentures	116	114	113
Stock based compensation expense	9,042	3,979	3,425
Decrease (increase) in accrued interest payable and other liabilities	(16,459)	4,671	2,395
Net cash provided by operating activities	109,066	107,381	61,063
CASH FLOWS FROM INVESTING ACTIVITIES:
Net cash received in the Merger	370,448	0	0
Net cash provided by (used in) investing activities	73,760	(754,824)	(961,104)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from the issuance of common stock, stock option exercises and the ESPP Plan	77	3,812	2,569
Dividends paid to common shareholders	(15,378)	(9,697)	(8,165)
Repurchase of common stock	(23,605)	(5,659)	(18,582)
Net cash (used in) provided by financing activities	(568,630)	982,186	976,559
NET CHANGE IN CASH AND CASH EQUIVALENTS	(385,804)	334,743	76,518
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	757,509	422,766	346,248
CASH AND CASH EQUIVALENTS, END OF PERIOD	371,705	757,509	422,766
Parent Company
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	51,432	81,553	45,534
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed income of subsidiaries	(59,615)	(18,856)	(36,544)
Net amortization of discount on subordinated debentures	396	393	392
Stock based compensation expense	9,042	3,979	3,425
Increase in other assets	(2,334)	(1,622)	(1,026)
Decrease (increase) in accrued interest payable and other liabilities	(2,477)	1,117	(1,038)
Net cash provided by operating activities	(3,556)	66,564	10,743
CASH FLOWS FROM INVESTING ACTIVITIES:
Net cash received in the Merger	11,078	0	0
Net cash provided by (used in) investing activities	11,078	0	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from the issuance of common stock, stock option exercises and the ESPP Plan	77	3,812	2,569
Net (paydown) increase in borrowings under credit agreement	0	(15,569)	15,000
Dividends paid to common shareholders	(15,378)	(9,697)	(8,165)
Repurchase of common stock	(23,605)	(5,659)	(18,582)
Net cash (used in) provided by financing activities	(38,906)	(27,113)	(9,178)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(31,384)	39,451	1,565
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	58,791	19,340	17,775
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 27,407	$ 58,791	$ 19,340