Business, Basis of Presentation and Significant Accounting Policies (Details) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2017 segment $ / shares shares	Jun. 30, 2016 USD ($)
Schedule of Equity Transactions [Line Items]
Number of operating segments | segment	1
Accounting Standards Update 2016-09
Schedule of Equity Transactions [Line Items]
Reclassification impact of Share-based compensation cash flows from financing activities to operating activities | $		$ 0.1
Affiliated Entity
Schedule of Equity Transactions [Line Items]
Number of outstanding warrants to purchase common stock | shares	26,050,846
Warrants, exercise price | $ / shares	$ 48.75