Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 15, 2016	Dec. 31, 2017	Dec. 31, 2015
Commitments and Contingencies Disclosure [Line Items]
Operating lease expense	$ 100	$ 11,400	$ 6,400	$ 16,900
Aggregate amount of contingent litigation liabilities	5,400		4,700
Self-insurance liabilities related to workers' compensation, vehicular liabilities, and general liability claims recorded	58,700		52,200
Insurance receivables which partially offset self-insurance liabilities	16,300		15,100
Environmental liabilities	$ 3,446		$ 1,977