Long-Term Obligations - Summary of Outstanding Balances of Convertible Notes (Detail) - 3% Convertible Senior Notes Due 2025 [Member] - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Oct. 26, 2018	Oct. 16, 2018
Liability component:
Principal	$ 172,500	$ 172,500	$ 22,500	$ 150,000
Less: debt discount costs	(2,807)	(3,207)
Net carrying amount	$ 169,693	$ 169,293