Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Tax Contingency [Line Items]
Income tax provision
Change in unrecognized tax benefits during the period
Accrual for uncertain tax positions
Minimum [Member]
Income Tax Contingency [Line Items]
Tax years open for examination			2012
Maximum [Member]
Income Tax Contingency [Line Items]
Tax years open for examination			2015