DEBT - Future Payments of Principal and Contractual Interest (Details) - Convertible debt - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Principal
Remainder of 2022	$ 0
2023	0
2024	0
2025	600,000
Principal, total due	600,000	$ 600,000
Interest
Remainder of 2022	2,250
2023	4,500
2024	4,500
2025	2,250
Interest expense, total due	13,500
Total
Remainder of 2022	2,250
2023	4,500
2024	4,500
2025	602,250
Principal and interest, total due	$ 613,500

Interest, Long-term Debt, Maturities, Repayments of Principal in Year Three

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Interest, Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year

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Interest, Long-term Debt, Maturities, Repayments of Principal, Year One

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Maturities of Interest and Principal

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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 payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.

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