Employee Benefit Plans - Components of Postretirement Benefit Expense (Details) - Postretirement Medical and Life Benefit Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 106	$ 118	$ 101
Interest Cost	79	77	71
Amortization of Prior Service Costs	(3)	(3)	(3)
Amortization of Unrecognized Net (Gain) Loss	19	46	32
Net Postretirement Benefit Expense	201	238	201
Net Gain (Loss) During Period Recognized in Other Comprehensive Income (Loss)	737	(283)	158
Total Recognized in Net Postretirement Benefit Expense and Other Comprehensive Income	$ 938	$ (45)	$ 359