Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Filinggroup	Sep. 30, 2011
Income Taxes (Textual) [Abstract]
Number of U.S. tax return filing groups			2
Effective income tax rates	23.10%	13.20%	27.30%	15.70%
Net deferred tax asset	$ 16,900,000		$ 16,900,000
Deferred Tax Asset Inclusive Of Carry Forward Operating Loss	$ 0		$ 0