Goodwill And Intangible Assets (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Goodwill And Intangible Assets
Amortization of Intangible Assets	$ 545,000	$ 314,000
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	1,753,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	2,334,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,333,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,332,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,514,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	939,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	955,000
Finite-Lived Intangible Asset, Useful Life	5 years 7 months 6 days
Restrictive Covenant Agreements	$ 9,825,000		$ 9,825,000