Postretirement Benefit Plans - Schedule of Expected Benefit Payments (Details) $ in Thousands	Dec. 31, 2025 USD ($)
Defined Benefit Postretirement Health And Life Coverage
Defined Benefit Plan Disclosure [Line Items]
2026	$ 28
2027	28
2028	27
2029	18
2030	14
2031-2035	67
Scottdale Defined Benefit Pension Plan
Defined Benefit Plan Disclosure [Line Items]
2026	108
2027	124
2028	155
2029	154
2030	178
2031-2035	840
Riverview Defined Benefit Plan \| Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
2026	511
2027	498
2028	499
2029	490
2030	478
2031-2035	2,154
Riverview Defined Benefit Plan \| Postretirement Life Insurance Benefits
Defined Benefit Plan Disclosure [Line Items]
2026	4
2027	3
2028	3
2029	3
2030	3
2031-2035	$ 9

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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