Goodwill and Other Intangible Assets (Schedule Of Components Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 74,313	$ 74,148
Accumulated Amortization	(63,677)	(58,614)
Other intangible assets, net	10,636	15,534
Insurance license [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,400	1,400
Other intangible assets, net	1,400	1,400
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	53,213	53,048
Accumulated Amortization	(52,319)	(47,897)
Other intangible assets, net	$ 894	$ 5,151
Useful Lives (in years)	11 years	11 years
Trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 15,400	$ 15,400
Accumulated Amortization	(7,058)	(6,417)
Other intangible assets, net	$ 8,342	$ 8,983
Useful Lives (in years)	24 years	24 years
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,300	$ 4,300
Accumulated Amortization	(4,300)	(4,300)
Other intangible assets, net	$ 0	$ 0
Useful Lives (in years)	10 years	10 years