Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases
Lessee, Operating Lease, Option to renew			true
Operating Lease Cost (Cost resulting from lease payments)	$ 1,621	$ 1,664	$ 4,913	$ 5,166
Operating Lease - Operating Cash Flows (Fixed Payments)	1,432	1,463	3,837	4,032
Operating Lease - ROU assets	35,707	37,000	35,707	37,000
Operating Lease - Liabilities	$ 35,707	$ 37,000	$ 35,707	$ 37,000
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Operating Lease - Liabilities	Operating Lease - Liabilities	Operating Lease - Liabilities	Operating Lease - Liabilities
Weighted Average Lease Term - Operating Leases	7 years 7 months 2 days	8 years 5 months 12 days	7 years 7 months 2 days	8 years 5 months 12 days
Weighted Average Discount Rate - Operating Leases	4.48%	4.54%	4.48%	4.54%