Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

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

Future minimum operating lease payments at December 31, 2012 are as follows (in thousands):

2013	$	11,452
2014		8,392
2015		6,972
2016		6,972
2017		6,972
Thereafter		5,197
Total	$	45,957