Leases (Component of Lease and Other Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 13,986	$ 16,044
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets	Other Assets
Operating lease liabilities	$ 15,862	$ 17,347
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accounts Payable and Accrued Liabilities	Accounts Payable and Accrued Liabilities
Weighted-average remaining lease term - operating leases	10 years 2 months 12 days	10 years 7 months 6 days
Weighted-average discount rate - operating leases	5.88%	5.88%
Short-term lease payments	$ 19	$ 26