Long-term Debt - Schedule of Maturities of Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Term loans, in effect, net of unamortized debt issuance costs of $399 and $447, respectively	$ 94,601	$ 95,803
Vehicle and equipment notes, maturing March 2022; payable in various monthly installments, including interest rates ranging from 2% to 4%	40,311	38,186
Various notes payable, maturing through March 2025; payable in various installments, including interest rates ranging from 4% to 6%	4,764	4,988
Total long term debt	264,177	151,427
Total long term debt	264,177	151,427
Less: current maturities	(27,350)	(17,192)
Long-term debt, less current maturities	236,827	134,235
Delayed Draw [Member]
Debt Instrument [Line Items]
Delayed draw term loans, in effect, net of unamortized debt issuance costs of $499 and $50, respectively	$ 124,501	$ 12,450