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Commitments and Contingencies - Components of Self-Insurance Liability (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]    
Current liability — workers’ compensation and general liability $ 173 $ 184
Current liability — medical and dental 373 456
Non-current liability 447 451
Total liability 993 1,091
Restricted cash $ 113 $ 113