Allowance for Credit and Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	$ 54,286	$ 57,027
Provision for credit losses on loans	(1,386)	367
PCD loan charge–offs	(256)
Charge–offs	(367)	(431)
Recoveries	231	223
Balance, end of period	52,508	57,186
Mortgage warehouse
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	1,059	1,267
Provision for credit losses on loans	(4)	(104)
PCD loan charge–offs	0
Charge–offs	0	0
Recoveries	0	0
Balance, end of period	1,055	1,163
Commercial
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	40,775	42,210
Provision for credit losses on loans	(2,692)	928
PCD loan charge–offs	(256)
Charge–offs	(80)	(196)
Recoveries	42	38
Balance, end of period	37,789	42,980
Real estate
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	3,856	4,620
Provision for credit losses on loans	485	(456)
PCD loan charge–offs	0
Charge–offs	0	0
Recoveries	10	65
Balance, end of period	4,351	4,229
Consumer
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	8,596	8,930
Provision for credit losses on loans	825	(1)
PCD loan charge–offs	0
Charge–offs	(287)	(235)
Recoveries	179	120
Balance, end of period	$ 9,313	$ 8,814