Benefit Plans - Assets Measured at Fair Value on Recurring Basis (Details) - Pension - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Total investments	$ 55,870	$ 52,734	$ 47,930	$ 58,451
Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	36,563	34,132
Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	19,307	18,602
Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Group annuity contracts
Defined Benefit Plan Disclosure [Line Items]
Total investments	73	76
Group annuity contracts \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Group annuity contracts \| Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	73	76
Group annuity contracts \| Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Total mutual funds
Defined Benefit Plan Disclosure [Line Items]
Total investments	36,563	34,132
Total mutual funds \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	36,563	34,132
Total mutual funds \| Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Total mutual funds \| Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Fixed income
Defined Benefit Plan Disclosure [Line Items]
Total investments	27,740	25,728
Fixed income \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	27,740	25,728
Fixed income \| Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Fixed income \| Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
International equity
Defined Benefit Plan Disclosure [Line Items]
Total investments	6,042	5,713
International equity \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	6,042	5,713
International equity \| Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
International equity \| Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Large U.S. equity
Defined Benefit Plan Disclosure [Line Items]
Total investments	1,654	1,577
Large U.S. equity \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	1,654	1,577
Large U.S. equity \| Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Large U.S. equity \| Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Small/Mid U.S. equity
Defined Benefit Plan Disclosure [Line Items]
Total investments	1,127	1,114
Small/Mid U.S. equity \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	1,127	1,114
Small/Mid U.S. equity \| Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Small/Mid U.S. equity \| Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Pooled separate accounts
Defined Benefit Plan Disclosure [Line Items]
Total investments	19,234	18,526
Pooled separate accounts \| Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Total investments	0	0
Pooled separate accounts \| Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure [Line Items]
Total investments	19,234	18,526
Pooled separate accounts \| Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure [Line Items]
Total investments	$ 0	$ 0