XML 84 R68.htm IDEA: XBRL DOCUMENT v3.20.4
Redeemable Noncontrolling Interests in Operating Partnership (Activity of Units in Operating Partnership) (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Summary of the activity of the operating partnership units      
Units outstanding at beginning of year (in shares) 4,538 4,833 4,790
Units redeemed for shares of common stock (in shares) (339) (165) 0
Units outstanding at end of year (in shares) 4,277 4,538 4,833
Common units convertible/redeemable at end of year (in shares) 3,823 4,027 4,045
Long Term Incentive Plan Units      
Summary of the activity of the operating partnership units      
Units issued (in shares) 129 91 144
Performance LTIP units      
Summary of the activity of the operating partnership units      
Units issued (in shares) 160 60 211
Performance LTIP units forfeited/cancelled (in shares) (211) (281) (312)