Leases (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Leases (Textual)
Weighted average remaining life	7 years 6 months 14 days		7 years 6 months 14 days
Weighted average discount rate	2.48%		2.48%
Operating lease costs	$ 711	$ 616	$ 2,100	$ 1,800
Operating lease, right-of-use asset	21,900		21,900		$ 18,800
Lease liabilities	$ 22,978		$ 22,978		$ 19,500