Long-Term Debt -Term Loan (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2019
Debt Instrument [Line Items]
Outstanding principal	$ 65,000	$ 65,000
Debt issuance costs	(1,422)	(2,789)
Net carrying amount	63,578	62,211
Current portion	30,789	0
Long term outstanding principal	34,211	65,000
Long term net carrying amount	32,789	62,211
Secured Debt \| Term Loan Agreement
Debt Instrument [Line Items]
Outstanding principal	65,000	65,000
Debt issuance costs	(1,422)	(2,789)	$ (2,600)
Net carrying amount	$ 63,578	$ 62,211

Long Term Debt, Excluding Current Maturities, Gross

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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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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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