Commitment And Contingencies (Table)

12 Months Ended

Dec. 31, 2012

Leases Operating [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

2013	$	8,512
2014		7,604
2015		7,678
2016		7,068
2017		4,310
Thereafter		10,170
	$	45,342
Operating lease rental expense in the years ended December 31, 2012, 2011 and 2010 was approximately $23.2 million, $21.9 million and $21.9 million, respectively.