Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Operating Loss Carryforwards [Line Items]
Effective income tax rates	(9.80%)	0.90%	(4.40%)	85.50%
Income tax expense, net	$ 2,256,000	$ 532,000	$ 2,549,000	$ 1,515,000
Unrecognized tax benefits	1,300,000		1,300,000
United States Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net deferred tax assets	$ 0		$ 0