Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	51,416
Tax credit carryforward	216
U.S. [Member]
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	865
Federal [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforwards, Carryforward Period, Minimum	1 year
Tax Credit Carryforwards, Carryforward Period, Maximum	5 years
International [Member]
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	46,690
Tax Credit Carryforwards, Carryforward Period, Minimum	1 year
Tax Credit Carryforwards, Carryforward Period, Maximum	15 years
International with Unlimited Carryforward Periods [Member]
Operating Loss Carryforwards [Line Items]
Tax loss carryforwards	3,861