Employee Benefit Plans - Changes in Accumulated Postretirement Benefits Obligations (Details) - Postretirement Medical and Life Benefit Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at the Beginning of Year	$ 1,747	$ 1,530
Unrecognized Loss (Gain)	(240)	187
Components of Net Periodic Postretirement Benefit Cost
Service Cost	118	101	$ 105
Interest Cost	77	71	35
Net Expected Benefit Payments	(168)	(142)
Amendments	0	0
Obligation at End of Year	$ 1,534	$ 1,747	$ 1,530