Leases - Cost and Other information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lease, Cost [Abstract]
Operating Lease, Cost	$ 905	$ 831	$ 2,671	$ 2,320
Sublease Income	(95)	(97)	(289)	(285)
Lease, Cost	810	734	2,382	2,035
Operating Lease, Payments	906	843	2,710	2,336
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	25	342	7,794	381
reductions to right of use assets resulting from reduction in lease obligations	$ (789)	$ (726)	$ (2,347)	$ (2,021)