Defined Benefit Pension Plans - Fair Values of Plan Investments by Asset Category (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Total fair value of plan assets	$ 8,031	$ 8,840	$ 8,662
Insurance Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Total fair value of plan assets	8,031	8,840
Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Total fair value of plan assets	0	0
Fair Value, Inputs, Level 1 [Member] | Insurance Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Total fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Total fair value of plan assets	8,031	8,840
Fair Value, Inputs, Level 3 [Member] | Insurance Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Total fair value of plan assets	$ 8,031	$ 8,840	$ 7,805