Employee Benefits - Benefit Obligation and Plan Assets Deriving Funded Status (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in Projected Benefit Obligation
Projected benefit obligation at beginning of year	$ 73,366	$ 104,097
Interest cost	3,812	3,160	$ 2,950
Actuarial gain/(loss)	2,248	(23,020)
Benefits paid	(6,239)	(10,871)
Projected Benefit Obligation at End of Year	73,187	73,366	104,097
Change in Plan Assets
Fair value of plan assets at beginning of year	73,086	107,525
Actual gain/(loss) on plan assets	4,727	(23,568)
Benefits paid	(6,239)	(10,871)
Fair Value of Plan Assets at End of Year	71,574	73,086	$ 107,525
Funded Status	$ (1,613)	$ (280)