Segments - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Interest income	$ 92,782	$ 88,225
Interest expense	15,003	18,275
Net interest income	77,779	69,950
Provision for loan and lease credit losses	1,836	(873)
Noninterest income	32,668	31,057
Noninterest expense	65,714	58,272
Income tax expense (benefit)	8,388	4,181
Net income	34,509	39,427
Total assets	8,619,966	8,417,875	$ 8,213,393
Operating Segments | Banking
Segment Reporting Information [Line Items]
Interest income	92,746	88,099
Interest expense	14,530	18,165
Net interest income	78,216	69,934
Provision for loan and lease credit losses	1,836	(873)
Noninterest income	31,935	30,524
Noninterest expense	61,399	55,625
Income tax expense (benefit)	9,076	4,650
Net income	37,840	41,056
Total assets	8,450,425	8,281,729
Operating Segments | Fintech
Segment Reporting Information [Line Items]
Interest income	36	122
Net interest income	36	122
Noninterest income	237	(4)
Noninterest expense	2,168	1,020
Income tax expense (benefit)	(146)	5
Net income	(1,749)	(907)
Total assets	121,471	91,662
Other
Segment Reporting Information [Line Items]
Interest income		4
Interest expense	473	110
Net interest income	(473)	(106)
Noninterest income	496	537
Noninterest expense	2,147	1,627
Income tax expense (benefit)	(542)	(474)
Net income	(1,582)	(722)
Total assets	$ 48,070	$ 44,484