Leases - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating lease cost	$ 435	$ 423	$ 1,349	$ 1,228
Variable lease cost	26	33	67	82
Finance lease cost:
Amortization of leased assets	18	18	54	54
Interest on lease liabilities	6	7	20	23
Sublease income	(25)	(21)	(67)	(62)
Net lease cost	$ 460	$ 460	$ 1,423	$ 1,325