Goodwill And Intangible Assets (Summary Of Amortizable Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 19,118	$ 17,971
Accumulated Amortization	(6,355)	(5,279)
Net	12,763	12,692
Deferred Financing Cost [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,670	14,523
Accumulated Amortization	(3,995)	(3,029)
Net	11,675	11,494
Customer And Non Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,448	3,448
Accumulated Amortization	(2,360)	(2,250)
Net	$ 1,088	$ 1,198