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Other Accrued Liabilities - Summary of Other Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Accounts Payable And Accrued Liabilities Current [Abstract]    
Accrued expenses $ 38,386 $ 28,452
Contract liabilities 32,926 35,946
Government relief funds 28,310 5,495
Accrued interest 17,158 40,479
Income taxes payable 9,921 16,345
Insurance liability – current portion 9,700 9,700
Accrued property taxes 9,054 6,763
Cost report payable 4,210  
Finance lease liabilities 990 32,188
Other 6,549 3,085
Other accrued liabilities $ 157,204 $ 178,453