Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2021	Sep. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$ (977)	$ (1,125)
Operating cash flows from finance leases		(1)	(27)
Right-of-use assets obtained in exchange for lease obligations	$ 4,100	$ 4,139	$ 0