Commitments, Guarantees, 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]

Minimum rentals under long-term operating leases are as follows (in thousands):

	Real		Machinery and
	property		equipment		Total
2013	$	5,722	$	1,056	$	6,778
2014		3,918		574		4,492
2015		3,159		238		3,397
2016		2,752		22		2,774
2017		2,304		—		2,304
Thereafter		1,792		—		1,792
Total	$	19,647	$	1,890	$	21,537