Debt - Principal Maturities of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
2022	$ 625
2023	2,500
2024	2,500
2025	1,875
Principal balance outstanding	7,500
less: unamortized discount and debt issuance costs	(627)
Long-term debt	6,873
Current portion	6,873	$ 0
Noncurrent portion	$ 0	$ 16,589

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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, 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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