Parent Company Only Financial Information - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Condensed Financial Statements, Captions [Line Items]
Net income	$ 57,707	$ 32,743	$ 40,081
Adjustments to reconcile net income to net cash provided by operating activities:
Net unrealized (gains) losses on equity securities	(790)	(328)	(1,888)
Decrease in other assets	(1,056)	(6,242)	1,072
Increase in other liabilities	7,788	(3,846)	3,610
NET CASH PROVIDED BY OPERATING ACTIVITIES	58,920	28,758	52,042
Cash flows from investing activities
NET CASH USED BY INVESTING ACTIVITIES	(409,760)	(168,680)	(368,736)
Cash flows from financing activities:
Dividends paid on preferred stock	(4,302)	(1,147)	0
Proceeds from issuance of long term debt	0	231,985	30,353
Repayment of long term debt	(50,000)	(459,892)	(47,563)
Purchase of treasury stock	(1,163)	(1,307)	(1,291)
Net proceeds from the issuance of preferred stock	0	57,785	0
Net proceeds from issuance of common stock	0	3,257	1,423
NET CASH PROVIDED BY FINANCING ACTIVITIES	550,344	479,642	464,105
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	199,504	339,720	147,411
CASH AND CASH EQUIVALENTS, Beginning	532,694	192,974	45,563
CASH AND CASH EQUIVALENTS, Ending	732,198	532,694	192,974
Parent Company
Condensed Financial Statements, Captions [Line Items]
Net income	57,707	32,743	40,081
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of bank subsidiary	(37,178)	(18,197)	(27,580)
(Equity in undistributed) distributions in excess of net income of non–bank subsidiaries	(1,609)	7,159	(3,914)
Net unrealized (gains) losses on equity securities	(121)	31	(24)
Decrease in other assets	60	21	177
Increase in other liabilities	978	1,091	1,267
NET CASH PROVIDED BY OPERATING ACTIVITIES	19,837	22,848	10,007
Cash flows from investing activities
Purchase of equity securities	0	(2,000)	(36)
Outlays for business acquisition	0	(16,126)	0
Investment in bank subsidiaries	0	(41,500)	0
NET CASH USED BY INVESTING ACTIVITIES	0	(59,626)	(36)
Cash flows from financing activities:
Dividends paid on common stock	(11,550)	(10,981)	(10,358)
Dividends paid on preferred stock	(4,302)	(1,147)	0
Proceeds from issuance of long term debt	83,484	0	0
Repayment of long term debt	(50,000)	0	0
Purchase of treasury stock	(1,163)	(1,307)	(1,291)
Net proceeds from the issuance of preferred stock	0	57,785	0
Net proceeds from issuance of common stock	0	3,257	1,423
Net advance (to) from subsidiary	0	(850)	650
NET CASH PROVIDED BY FINANCING ACTIVITIES	16,469	46,757	(9,576)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	36,306	9,979	395
CASH AND CASH EQUIVALENTS, Beginning	10,729	750	355
CASH AND CASH EQUIVALENTS, Ending	$ 47,035	$ 10,729	$ 750