Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Loss Carryforwards [Line Items]
Effective income tax rates	(0.80%)	(1.80%)
Income tax expense	$ 293,000	$ 983,000
Unrecognized tax benefits	1,300,000
United States Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net deferred tax assets	$ 0