Unitholders' Equity - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Total Unitholders’ Accumulated Other Comprehensive Loss, net of taxes
Class of Stock [Line Items]
Balance as of period date	$ (5,106)	$ (5,106)	$ (6,175)	$ (6,175)
Post-Retirement Benefit Plans, net of taxes
Class of Stock [Line Items]
Balance as of period date	$ (5,106)	$ (5,106)	$ (6,175)	$ (6,175)

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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