Investments (Gross Gains And Losses Realized) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Investments [Abstract]
Gross realized gains on securities sold	$ 29	$ 0	$ 312	$ 133
Gross realized losses on securities sold	0	(6)	0	(77)
Net investment security gains (losses)	29	(6)	312	56
Gross unrealized gains recognized on equity securities still held	2,216	708	2,720	837
Gross unrealized losses recognized on equity securities still held	(1,806)	(466)	(2,361)	(2,996)
Net unrealized gains (losses) recognized on equity securities still held	$ 410	$ 242	$ 359	$ (2,159)