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Other Investments and Assets - Summary of Other Investments and Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Investments, All Other Investments [Abstract]    
Self-insured liability receivable $ 6,847 $ 6,847
Other mutual funds 4,005 4,057
Contract costs 2,763 2,685
Other 3,063 3,129
Other investments and assets $ 16,678 $ 16,718