Condensed Financial Information of Registrant - Condensed Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets:
Cash and cash equivalents	$ 145,913	$ 435,345	$ 170,016
Prepaid expenses and other current assets	32,295	8,934
Total assets	647,687	673,588
Liabilities and stockholders’ deficit:
Current portion of long-term debt	109,620	341,000
Long-term debt	694,760	827,968
Other non-current liabilities	7,236	10,581
Total liabilities	967,841	1,314,702
Total stockholders’ deficit	(320,154)	(641,114)	(398,890)	$ (268,761)
Total liabilities and stockholders’ deficit	647,687	673,588
Parent Company [Member]
Assets:
Cash and cash equivalents	55,069	55,065	$ 118,323
Prepaid expenses and other current assets	25	25
Deferred income taxes	186,041	0
Total assets	241,135	55,090
Liabilities and stockholders’ deficit:
Other current liabilities	740	1,947
Current portion of long-term debt	102,370	0
Long-term debt	0	212,387
Other non-current liabilities	0	2,108
Investments and payables with subsidiaries	458,179	479,762
Total liabilities	561,289	696,204
Total stockholders’ deficit	(320,154)	(641,114)
Total liabilities and stockholders’ deficit	$ 241,135	$ 55,090