Redeemable Convertible Preferred Stock - Series A Preferred Stock- Series A Preferred Stock- (Details) - shares		1 Months Ended
	Nov. 16, 2015	Nov. 30, 2015	Jun. 30, 2016	Dec. 31, 2015
Temporary Equity [Line Items]
Preferred Stock, Shares Authorized			5,000,000	5,000,000
Common Stock
Temporary Equity [Line Items]
Shares issued upon conversion of redeemable convertible preferred stock	17,647,054	17,647,054