Fair Value Measurements - Schedule of Fair Value Information for Financial Liabilities Carried on Balance Sheet (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financial Liabilities:
Long-term debt	$ 208,495	$ 211,687
Carrying Value [Member]
Financial Liabilities:
Long-term debt	208,493	211,674
Estimate of Fair Value Measurement [Member]
Financial Liabilities:
Long-term debt	265,520	171,605
Estimate of Fair Value Measurement [Member] | (Level 2) [Member]
Financial Liabilities:
Long-term debt	249,659	152,640
Estimate of Fair Value Measurement [Member] | (Level 3) [Member]
Financial Liabilities:
Long-term debt	15,861	18,965
4.75% Convertible Senior Notes [Member] | Carrying Value [Member]
Financial Liabilities:
Long-term debt	168,230	167,126
4.75% Convertible Senior Notes [Member] | Estimate of Fair Value Measurement [Member]
Financial Liabilities:
Long-term debt	215,114	133,167
4.75% Convertible Senior Notes [Member] | Estimate of Fair Value Measurement [Member] | (Level 2) [Member]
Financial Liabilities:
Long-term debt	215,114	133,167
4.25% Convertible Senior Notes [Member] | Carrying Value [Member]
Financial Liabilities:
Long-term debt	23,916	23,916
4.25% Convertible Senior Notes [Member] | Estimate of Fair Value Measurement [Member]
Financial Liabilities:
Long-term debt	34,545	19,473
4.25% Convertible Senior Notes [Member] | Estimate of Fair Value Measurement [Member] | (Level 2) [Member]
Financial Liabilities:
Long-term debt	34,545	19,473
3.75% Callable Promissory Note [Member] | Carrying Value [Member]
Financial Liabilities:
Long-term debt		6,789
3.75% Callable Promissory Note [Member] | Estimate of Fair Value Measurement [Member]
Financial Liabilities:
Long-term debt		6,171
3.75% Callable Promissory Note [Member] | Estimate of Fair Value Measurement [Member] | (Level 3) [Member]
Financial Liabilities:
Long-term debt		6,171
3.90% Promissory Note [Member] | Carrying Value [Member]
Financial Liabilities:
Long-term debt		8,943
3.90% Promissory Note [Member] | Estimate of Fair Value Measurement [Member]
Financial Liabilities:
Long-term debt		8,152
3.90% Promissory Note [Member] | Estimate of Fair Value Measurement [Member] | (Level 3) [Member]
Financial Liabilities:
Long-term debt		8,152
5.50% Promissory Note [Member] | Carrying Value [Member]
Financial Liabilities:
Long-term debt	11,707
5.50% Promissory Note [Member] | Estimate of Fair Value Measurement [Member]
Financial Liabilities:
Long-term debt	11,512
5.50% Promissory Note [Member] | Estimate of Fair Value Measurement [Member] | (Level 3) [Member]
Financial Liabilities:
Long-term debt	11,512
4.55% Promissory Note [Member] | Carrying Value [Member]
Financial Liabilities:
Long-term debt	4,640	4,900
4.55% Promissory Note [Member] | Estimate of Fair Value Measurement [Member]
Financial Liabilities:
Long-term debt	4,349	4,642
4.55% Promissory Note [Member] | Estimate of Fair Value Measurement [Member] | (Level 3) [Member]
Financial Liabilities:
Long-term debt	$ 4,349	$ 4,642