Employee Benefits - Benefit Obligation and Plan Assets Deriving Funded Status (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in Projected Benefit Obligation
Projected benefit obligation at beginning of year	$ 104,097	$ 117,506
Interest cost	3,160	2,950	$ 3,456
Actuarial gain	(23,020)	(2,136)
Benefits paid	(10,871)	(14,223)
Projected Benefit Obligation at End of Year	73,366	104,097	117,506
Change in Plan Assets
Fair value of plan assets at beginning of year	107,525	122,344
Actual loss on plan assets	(23,568)	(596)
Benefits paid	(10,871)	(14,223)
Fair Value of Plan Assets at End of Year	73,086	107,525	$ 122,344
Funded Status	$ (280)	$ 3,428