Income Taxes (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 1,503	$ 1,194
Amounts of tax benefits that would affect effective tax rate if recognized	1,124	861
Income tax accrued interest	86	$ 54
Statute of limitations	$ 374