Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 3,696	$ 3,963
Operating cash flows from finance leases	236	269
Financing cash flows from finance leases	1,966	1,966
Right of use assets obtained in exchange for new operating lease liabilities	156	924
Right of use assets obtained in exchange for new finance lease liabilities	846	2,399
Right-of-use assets disposed or adjusted modifying operating leases liabilities	47	586
Right-of-use assets disposed or adjusted modifying finance leases liabilities	$ 0	$ (64)