Goodwill And Intangible Assets (Schedule Of Carrying Amount And Accumulated Amortization Of Intangible Asset) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross balance	$ 33,285	$ 33,285
Additions	50
Additions for acquisitions	3,950
Accumulated amortization	(26,242)	(24,523)
Net Balance	11,043	8,762
Customer And Referral Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross balance	26,346	26,346
Additions	50
Additions for acquisitions	1,500
Accumulated amortization	(22,123)	(21,138)
Net Balance	5,773	5,208
Trade Names And Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross balance	5,281	5,281
Additions for acquisitions	1,900
Accumulated amortization	(3,415)	(2,995)
Net Balance	3,766	2,286
State Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Gross balance	150	150
Net Balance	150	150
Non-competition Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross balance	1,508	1,508
Additions for acquisitions	550
Accumulated amortization	(704)	(390)
Net Balance	$ 1,354	$ 1,118