Leases - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 161	$ 134	$ 421	$ 401
Operating cash flows from restructured leases	0	17	35	52
Financing cash flows from finance leases	$ 1	$ 1	$ 3	$ 3