Significant Components of Net Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
State net operating loss carryforwards	$ 6,117	$ 4,064
U.S. Federal net operating loss carryforwards	54,349	36,391
Receivable reserves	1,344	280
Interest expense limitation	20,387	16,779
Intangibles	59,358	96,177
Equity compensation	1,988	1,838
Foreign Tax Credit	8,722	5,252
Other	5,895	9,293
Total deferred tax assets	158,160	170,074
Valuation allowance	(136,661)	(143,453)
Net deferred tax assets	21,499	26,621
Depreciation		(284)
Convertible notes	(5,917)	(6,451)
Investment in joint ventures	(20,778)	(24,350)
Total deferred tax liabilities	(26,695)	(31,085)
Total net deferred tax (liabilities)	(5,196)	(4,464)
Balance Sheet detail on total net deferred tax assets (liabilities):
Non-current portion of net deferred tax liabilities	$ (5,196)	$ (4,464)