Benefit Plans - Defined Benefit Plans - Change in Projected Benefit Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Split-Dollar Life Insurance Benefit Plan
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$ 9,244	$ 9,689
Interest cost	246	219
Actuarial (gain) loss	(2,430)	(664)
Projected benefit obligation at end of period	7,060	9,244
Supplemental Retirement Plan
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	33,179	35,404
Service cost	347	480
Interest cost	865	759
Actuarial (gain) loss	7,065	917
Benefits paid	(1,526)	(2,547)
Projected benefit obligation at end of period	$ 25,800	$ 33,179