Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Cash paid for operating leases included in operating activities	$ (3,723)
Cash paid for finance leases included in financing activities	(258)
Right of use assets obtained in exchange for lease obligations:
Operating leases	2,876	$ 0
Finance leases	$ 0