Leases - Schedule of Components of Lease Expense (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 lease costs	[1]	$ 1,156	$ 1,413	$ 3,769	$ 4,252
Finance lease costs:
Amortization of leased assets		741	432	1,963	905
Interest on lease liabilities		60	44	162	103
Net lease costs		$ 1,957	$ 1,889	$ 5,894	$ 5,260

[1] Excludes short-term leases and variable lease costs, which are immaterial.