Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.8.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2018
Dec. 31, 2017
Preferred Stock    
Preferred stock par value $ 0.01 $ 0.01
Preferred stock shares authorized 50,000,000 50,000,000
Preferred shares issued 0 0
Series A common stock    
Common stock par value $ 0.01 $ 0.01
Common stock shares authorized 500,000,000 500,000,000
Common Stock, Shares, Issued 26,306,408 26,301,755
Common Stock, Shares, Outstanding 26,306,408 26,301,755
Series B common stock    
Common stock par value $ 0.01 $ 0.01
Common stock shares authorized 18,750,000 18,750,000
Common Stock, Shares, Issued 2,455,179 2,455,179
Common Stock, Shares, Outstanding 2,455,179 2,455,179
Series C common stock    
Common stock par value $ 0.01 $ 0.01
Common stock shares authorized 500,000,000 500,000,000
Common Stock, Shares, Issued 152,582,266 152,563,229
Common Stock, Shares, Outstanding 152,582,266 152,563,229