Leases - Cost and Other information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Lease, Cost [Abstract]
Operating Lease, Cost	$ 698	$ 918	$ 1,419	$ 1,766
Sublease Income	(63)	(97)	(126)	(194)
Lease, Cost	635	821	1,293	1,572
Operating Lease, Payments	770	932	1,552	1,804
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	180	14	180	7,769
reductions to right of use assets resulting from reduction in lease obligations	$ (685)	$ (802)	$ (1,379)	$ (1,558)