Allowance for Credit and Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	$ 52,508	$ 57,186	$ 54,286	$ 57,027
Provision for credit losses on loans	240	(1,492)	(1,146)	(1,125)
PCD loan charge–offs	(114)		(370)
Charge–offs	(841)	(304)	(1,208)	(735)
Recoveries	557	265	788	488
Balance, end of period	52,350	55,655	52,350	55,655
Mortgage warehouse
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	1,055	1,163	1,059	1,267
Provision for credit losses on loans	12	(8)	8	(112)
PCD loan charge–offs	0		0
Charge–offs	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	1,067	1,155	1,067	1,155
Commercial
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	37,789	42,980	40,775	42,210
Provision for credit losses on loans	(2,948)	(1,168)	(5,640)	(240)
PCD loan charge–offs	(114)		(370)
Charge–offs	(57)	(67)	(137)	(263)
Recoveries	132	27	174	65
Balance, end of period	34,802	41,772	34,802	41,772
Real estate
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	4,351	4,229	3,856	4,620
Provision for credit losses on loans	111	(144)	596	(600)
PCD loan charge–offs	0		0
Charge–offs	(58)	0	(58)	0
Recoveries	18	23	28	88
Balance, end of period	4,422	4,108	4,422	4,108
Consumer
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	9,313	8,814	8,596	8,930
Provision for credit losses on loans	3,065	(172)	3,890	(173)
PCD loan charge–offs	0		0
Charge–offs	(726)	(237)	(1,013)	(472)
Recoveries	407	215	586	335
Balance, end of period	$ 12,059	$ 8,620	$ 12,059	$ 8,620