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Equity-based Compensation - Summary of Deferred Stock Unit Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Deferred stock unit, share transfer obligation (in Shares) 1    
Deferred Stock Units      
Deferred Stock Units      
Stock Awards - Outstanding (in shares) 221,471 214,455 181,518
Stock Awards - Awarded (in shares) 53,527 38,810 39,966
Shares distributed (in shares) (27,779) (31,794) (7,029)
Stock Awards - Outstanding (in shares) 247,219 221,471 214,455
Weighted Average Award Date Fair Value      
Weighted Average Award Date Fair Value - Outstanding (in Dollars per share) $ 20.10 $ 19.56 $ 19.06
Awarded (in Dollars per share) 18.56 22.89 22.33
Shares distributed (in Dollars per share) 18.76 19.70 22.67
Weighted Average Award Date Fair Value - Outstanding (in Dollars per share) $ 19.92 $ 20.10 $ 19.56
Expense recorded $ 1.0 $ 0.9 $ 0.9