Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flow attributable to operating leases	$ (100)	$ (1,560)	$ (2,457)	$ (3,770)
Operating cash flow attributable to finance leases	(9)	(19)	(35)	(67)
Financing cash flow attributable to finance leases	$ (162)	$ (158)	$ (477)	$ (464)