XML 36 R71.htm IDEA: XBRL DOCUMENT v3.20.1
Equity-Based Compensation Plans - Summary of Performance-Based Unvested Stock Unit Activity (Details) - Performance Based Awards - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Shares/units [Roll Forward]      
Unvested Shares/units, Beginning balance 0 114 261
Vested, Shares/units 0 (114) (141)
Forfeited, Shares/units 0 0 (6)
Unvested shares/units, Ending balance 0 0 114
Weighted Average Grant-Date Fair Value [Roll Forward]      
Unvested, Weighted Average Grant-Date Fair Value, Beginning balance $ 0 $ 18.06 $ 17.98
Weighted average share price 0 18.06 17.90
Forfeited, Weighted Average Grant-Date Fair Value 0 0 18.23
Unvested, Weighted Average Grant-Date Fair Value, Ending balance $ 0 $ 0 $ 18.06