Investments (Gross Gains And Losses Realized) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Investments [Abstract]
Gross realized gains on securities sold	$ 0	$ 0	$ 312	$ 133
Gross realized losses on securities sold	0	0	0	(77)
Net investment security gains (losses)	0	0	312	56
Gross unrealized gains recognized on equity securities still held	100	461	481	170
Gross unrealized losses recognized on equity securities still held	(7)	0	(29)	(1,868)
Net unrealized gains (losses) recognized on equity securities still held	$ 93	$ 461	$ 452	$ (1,698)