Long-term Debt - Summary of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total debt	$ 178,837	$ 178,750
Less: Current portion	(44,047)	(18,262)
Long-term debt	134,790	160,488
Unamortized debt issuance costs	2,500	2,700
4.75% Convertible Senior Notes
Debt Instrument [Line Items]
Total debt	131,506	131,291
Long-term debt, gross	135,000
1.5% Convertible Unsecured Senior Notes
Debt Instrument [Line Items]
Total debt	25,839	25,802
Long-term debt, gross	26,000
Promissory note
Debt Instrument [Line Items]
Total debt	17,534	17,534
Other debt and finance lease obligations
Debt Instrument [Line Items]
Total debt	3,958	4,123
Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	$ 0	$ 0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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