Goodwill And Intangible Assets (Summary Of Amortizable Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 19,229	$ 17,971
Accumulated Amortization	(6,905)	(5,279)
Net	12,324	12,692
Deferred Financing Cost [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,781	14,523
Accumulated Amortization	(4,490)	(3,029)
Net	11,291	11,494
Customer And Non Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,448	3,448
Accumulated Amortization	(2,415)	(2,250)
Net	$ 1,033	$ 1,198