Leases - Cost and Other information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lease, Cost [Abstract]
Operating Lease, Cost	$ 721	$ 848
Sublease Income	(63)	(97)
Lease, Cost	658	751
Operating Lease, Payments	782	872
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	0	7,755
reductions to right of use assets resulting from reduction in lease obligations	$ (694)	$ (756)