Goodwill And Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill And Intangible Assets
Amortization of Intangible Assets	$ 1,415,000	$ 1,472,000	$ 1,184,000
Deferred Financing Costs, Increase (Decrease)	6,200,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	2,329,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,324,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,323,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	2,323,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1,508,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	1,885,000
Finite-Lived Intangible Asset, Useful Life	5 years 8 months 18 days
Restrictive Covenant Agreements	$ 9,825,000	$ 9,300,000