Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Principal amount of long-term debt	$ 32,500	$ 32,500
Cumulative accrual of end of term payments	1,157	455
Long-Term Debt, Including Accretion	33,934	33,178
Long-term Debt, Current Maturities	(795)	0
Principal amount of long-term debt	33,139	33,178
Debt Instrument, Unamortized Discount (Premium), Net	$ 277	$ 223