Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Operating Loss Carryforwards [Line Items]
Effective income tax rates	63.40%	(11.50%)	(11.20%)	(22.10%)
Income tax expense, net	$ 3,316,000	$ 2,082,000	$ 5,865,000	$ 3,597,000
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