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Equity-Based Compensation - Summary of Restricted Award Unit Activity (Details) - Restricted Award Units - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 29, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of Units, Unvested, Beginning balance 589,350 659,445 534,355
Number of Units, Granted   262,140 306,843
Number of Units, Vested (281,805) (264,408) (135,982)
Number of Units, Forfeited (58,101) (67,827) (45,771)
Number of Units, Unvested, Ending balance 249,444 589,350 659,445
Weighted Average Grant-Date Fair Value, Unvested, Beginning balance $ 21.31 $ 20.14 $ 19.85
Weighted Average Grant-Date Fair Value, Granted   22.67 20.33
Weighted Average Grant-Date Fair Value, Vested 20.33 20.00 19.53
Weighted Average Grant-Date Fair Value, Forfeited 21.31 20.34 19.90
Weighted Average Grant-Date Fair Value, Unvested, Ending balance $ 22.40 $ 21.31 $ 20.14