Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 2,456	$ 2,910
Operating cash flows from finance leases	164	179
Financing cash flows from finance leases	1,318	1,285
Right of use assets obtained in exchange for new operating lease liabilities	156	0
Right of use assets obtained in exchange for new finance lease liabilities	336	1,050
Right-of-use assets disposed or adjusted modifying operating leases liabilities	36	586
Right-of-use assets disposed or adjusted modifying finance leases liabilities	$ 0	$ (64)