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Basis of Presentation and Summary of Significant Accounting Policies - Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |  |
Net income allocable to redeemable noncontrolling interests | $ 100 | $ 532 | $ 116 |  |  |
Distributions declared to redeemable noncontrolling interests | 0 | 0 | 0 |  |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |  |
Redeemable noncontrolling interests balance January 1 | 52,574 | 45,743 | 72,104 |  |  |
Net income allocable to redeemable noncontrolling interests | 100 | 532 | 116 |  |  |
Distributions declared to redeemable noncontrolling interests | (1,533) | (3,191) | (3,788) |  |  |
Acquisition of partners' interests in Territory joint venture | 0 | 0 | (22,461) |  |  |
Other, net including adjustments to redemption value | (7,866) | 9,490 | (228) |  |  |
Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at December 31 | 43,275 | 52,574 | 45,743 |  |  |
Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at December 31 | 52,574 | 45,743 | 45,743 | $ 43,275 | $ 52,574 | $ 45,743
Redeemable Noncontrolling Interests | Partnership Interest |  |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |  |
Redeemable noncontrolling interests balance January 1 | 52,574 | 45,743 |  |  |  |
Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at December 31 | 43,275 | 52,574 | 45,743 |  |  |
Limited partners' interests in Operating Partnership |  |  |  | 33,205 | 42,504 | 35,673
Other redeemable noncontrolling interests in certain subsidiaries |  |  |  | 10,070 | 10,070 | 10,070
Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at December 31 | $ 52,574 | $ 45,743 | $ 45,743 | $ 43,275 | $ 52,574 | $ 45,743

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