Summary of Significant Accounting Policies 1 (Details)	12 Months Ended
	Dec. 31, 2012
Deferred financing costs [Member]
Schedule of Expected Amortization of Useful Lives Abstract [Abstract]
Finite Lived Intangible Assets And Other Assets Estimated Useful Lives	Effective interest method
Customer relationships [Member]
Schedule of Expected Amortization of Useful Lives Abstract [Abstract]
Finite Lived Intangible Assets And Other Assets Estimated Useful Lives	Straight-line method up to 12 years
Patents and others [Member]
Schedule of Expected Amortization of Useful Lives Abstract [Abstract]
Finite Lived Intangible Assets And Other Assets Estimated Useful Lives	Straight-line method up to 20 years