Long-term Debt - Schedule of Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Senior Notes due 2028, net of unamortized debt issuance costs of $4,678 and $4,823, respectively	$ 295,322	$ 295,177
Term loan, net of unamortized debt issuance costs of $1,592 and $1,662, respectively	198,408	198,338
Vehicle and equipment notes, maturing through March 2025; payable in various monthly installments, including interest rates ranging from 2.5% to 4.8%	73,097	72,714
Various notes payable, maturing through March 2025; payable in various monthly installments, including interest rates ranging from 4% to 6%	2,966	2,966
Total long term debt	569,793	569,195
Less: current maturities	(24,241)	(24,164)
Long-term debt, less current maturities	$ 545,552	$ 545,031