Goodwill and Other Intangible Assets (Schedule Of Components Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 75,962	$ 75,962
Accumulated Amortization	(65,974)	(65,707)
Net Carrying Amount	9,988	10,255
Insurance license
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,400	1,400
Net Carrying Amount	1,400	1,400
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	54,862	54,862
Accumulated Amortization	(53,172)	(53,065)
Net Carrying Amount	$ 1,690	$ 1,797
Useful Lives (in years)	11 years	11 years
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 15,400	$ 15,400
Accumulated Amortization	(8,502)	(8,342)
Net Carrying Amount	$ 6,898	$ 7,058
Useful Lives (in years)	24 years	24 years
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,300	$ 4,300
Accumulated Amortization	(4,300)	(4,300)
Net Carrying Amount	$ 0	$ 0
Useful Lives (in years)	10 years	10 years