Restructuring - Components of Resctructuing (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Accruals				$ 675
Non-cash items				201	0
Total	0	876	0	876	0
Employee-related charges [Member]
Restructuring Cost and Reserve [Line Items]
Accruals				663
Non-cash items				201
Total				864
Other restructuring charges [Member]
Restructuring Cost and Reserve [Line Items]
Accruals				12
Non-cash items				0
Total				$ 12