Long Term Debt - Summary of Components of Long-term Debt (Detail) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt		$ 541,283	$ 539,558
Less: unamortized original issue discount		(9,676)	(10,751)
Less: unamortized debt issuance costs		(1,160)	(1,278)
Total debt, net		530,447	527,529
Current portion of debt		3,000	3,000
Total current portion of debt, net		3,000	3,000
Long-term debt, net		527,447	524,529
Convertible Debenture Notes Due 2024
Debt Instrument [Line Items]
Total debt		247,283	244,808
Amended 2021 Credit Agreement Due 2026
Debt Instrument [Line Items]
Total debt	[1],[2]	$ 294,000	$ 294,750

[1] The 2021 Credit Agreement was amended on March 3, 2023.

[2] The Amended 2021 Credit Agreement matures on February 8, 2026, unless the Debentures are outstanding six months prior to the December 19, 2024 maturity date thereof, in which case the Amended 2021 Credit Agreement matures on June 19, 2024.