Commitments, Guarantees, and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
2013	$ 6,778
2014	4,492
2015	3,397
2016	2,774
2017	2,304
Thereafter	1,792
Total	21,537
Real Property [Member]
2013	5,722
2014	3,918
2015	3,159
2016	2,752
2017	2,304
Thereafter	1,792
Total	19,647
Machinery and Equipment [Member]
2013	1,056
2014	574
2015	238
2016	22
2017	0
Thereafter	0
Total	$ 1,890