Discontinued Operations - Schedule of the Operating Results of the Discontinued Insurance Agency Business (Details) - Insurance Agency Business - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Discontinued Operations, Held-for-Sale
Noninterest income:
Insurance commissions	$ 27,609	$ 59,280
Other noninterest income	18	38
Total noninterest income	27,627	59,318
Noninterest expense:
Salaries and employee benefits	17,041	33,336
Office occupancy and equipment	735	1,524
Data processing	1,060	2,203
Professional services	1,031	1,324
Marketing expenses	25	99
Amortization of intangible assets	668	1,337
Other	1,154	2,462
Total noninterest expense	21,714	42,285
Income from discontinued operations before income tax expense	5,913	17,033
Income tax expense	1,675	4,810
Income from discontinued operations, net of taxes	4,238	12,223
Disposal Group, Not Discontinued Operations, Transferrable Upon Sale to Entity
Noninterest income:
Income from investments held in rabbi trusts	241	580
Other noninterest income	14	28
Total noninterest income	255	608
Noninterest expense:
Salaries and employee benefits	245	580
Office occupancy and equipment	117	241
Other	439	994
Total noninterest expense	801	1,815
Income from discontinued operations before income tax expense	(546)	(1,207)
Income tax expense	(153)	(339)
Income from discontinued operations, net of taxes	$ (393)	$ (868)