Supplemental Financial Information - Noncash Operating, Investing and Financing Activities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Condensed Financial Statements, Captions [Line Items]
Accrued but unpaid capital expenditures at period end	$ 17,255	$ 26,094
Accrued but unpaid debt issuance costs and arrangement fees	10,140
Common stock withheld for payroll tax obligations		324
Cash interest payments		19,785
Cash paid for reorganization items, net	20,584
Foreign [Member]
Cash income taxes paid, net of (refunds):
Cash income taxes paid, net of refunds	3,363	7,142
State [Member]
Cash income taxes paid, net of (refunds):
Cash income taxes paid, net of refunds	$ (34)	$ (14)