Employee Benefit Plans - Reconciliation of Benefit Obligations, Plan Assets and Funded Status (Details) - Other postretirement benefits - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in benefit obligation:
Benefit obligation at beginning of year	$ 3,922	$ 4,244
Service cost	60	72	$ 91
Interest cost	184	206	119
Actuarial gain	(557)	(22)
Plan participants' contributions	295	543
Benefits paid	(582)	(1,121)
Benefit obligation, end of year	$ 3,322	$ 3,922	$ 4,244