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Current and Noncurrent Accrued and Other Liabilities - Summary of Current and Noncurrent Accrued and Other Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Payables And Accruals [Abstract]    
Accrued litigation settlement (See Note 13) $ 18,450  
Accrued interest 16,722 $ 13,424
Deferred revenue 5,572 6,987
Accrued payroll and benefits 5,167 4,855
Series E Redeemable Preferred - embedded derivative 2,970 2,660
Accrued death and other executive benefits 2,785 2,808
Accrued health and worker compensation insurance claims 1,441 1,658
Customer deposits 1,055 1,334
Other 10,881 13,538
Total current and noncurrent accrued liabilities 65,043 47,264
Less noncurrent portion 11,247 11,691
Current portion of accrued and other liabilities $ 53,796 $ 35,573