Long Term Debt - Term Loan Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long term debt	$ 50,000
Term loan | Hayfin Loan Agreement Term Loan
Debt Instrument [Line Items]
Outstanding principal	50,000	$ 50,000
Deferred financing costs	(1,816)	(1,996)
Original issue discount	(279)	(307)
Long term debt	$ 47,905	$ 47,697