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Condensed Consolidated Balance Sheets (Parenthetical)
Sep. 30, 2016
$ / shares
shares
Dec. 31, 2015
$ / shares
shares
Statement Of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) | $ / shares $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) | $ / shares $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, shares issued (in shares) 1,541,043 1,396,348
Common stock, shares outstanding (in shares) 1,521,933 1,360,239
Treasury stock, at cost (in shares) 110 110