Stockholder's Equity Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Jul. 23, 2014
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 10.00	$ 10.00	$ 10.00
Class of Stock [Line Items]
Shares of Common Stock Issued in Initial Public Offering			8,193,750
Per Share Offer Price in Initial Public Offering			$ 10.00
Net Proceeds from IPO			$ 72.8
Preferred Shares Converted into Common Shares			14,944,945
Exchangeable Shares Converted into Common Shares			2,247,130
Weighted-average shares, if-converted with initial public offering			27,067,167
Common Stock, Shares Authorized	100,000,000
Common Stock, Shares, Outstanding	29,498,947
Preferred Stock, Shares Authorized	10,000,000
Warrants outstanding	810,000	869,999
Common Stock
Class of Stock [Line Items]
Common Stock, Shares Authorized	100,000,000	200,000,000
Common Stock, Shares, Outstanding	29,498,947	28,396,189