Long-term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Long-term debt
Less: current portion	$ (3,000)	$ (2,843)
Long-term debt	294,070	272,118
2026 Term Loans, due March 12, 2026
Long-term debt
Term Loans	297,070
Less: current portion	(3,000)
Long-term debt	$ 294,070
2023 Term Loans, due March 26, 2023
Long-term debt
Term Loans		274,961
Less: current portion		(2,843)
Long-term debt		$ 272,118

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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