COMBINED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - $ / shares
12 Months Ended
Dec. 21, 2015
Sep. 14, 2015
Dec. 31, 2015
Statement of Stockholders' Equity [Abstract]      
Dividends to common stockholders, per share (in dollars per share) $ 0.57 $ 0.57 $ 1.14