Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating cash flows from finance leases	$ 5	$ 11
Operating cash flows from operating leases	3,362	3,146
Financing cash flows from finance leases	$ 69	$ 97