Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2022
Changes in Accumulated Other Comprehensive Loss
Balance, beginning of period	$ 665,297	$ 527,767
Balance, end of period	749,460	749,460
Pension Plan
Changes in Accumulated Other Comprehensive Loss
Balance, beginning of period	(6,355)	(1,902)
Other comprehensive loss	(832)	(4,814)
Amount of (income) loss reclassified from accumulated other comprehensive income (loss)	(236)	(707)
Total comprehensive loss	(1,068)	(5,521)
Balance, end of period	$ (7,423)	$ (7,423)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Amount before tax of other comprehensive income (loss) attributable to parent entity.

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Amount of partners' capital (deficit), including portions attributable to both the parent and noncontrolling interests. Excludes temporary equity and is sometimes called permanent equity.

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Amount before tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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