Employee Benefit Plans - Reconciliation of Benefit Obligations, Plan Assets and Funded Status (Details) - Other postretirement benefits - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Change in benefit obligation:
Benefit obligation at beginning of year	$ 3,322	$ 3,922
Service cost	46	60	$ 72
Interest cost	169	184	206
Actuarial gain	(980)	(557)
Plan participants' contributions	510	295
Benefits paid	(653)	(582)
Benefit obligation, end of year	$ 2,414	$ 3,322	$ 3,922