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Basis of Presentation, Consolidation, Investments in Joint Ventures, and Noncontrolling Interests - Redeemable Noncontrolling Interests (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 28, 2018 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) joint_venture | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($)
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward] |  |  |  |  |  |  |  |  |
Net (loss) income allocable to redeemable noncontrolling interests |  | $ (382) | $ 379 |  |  | $ (10) | $ 604 |  |
Redeemable Noncontrolling Interests |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward] |  |  |  |  |  |  |  |  |
Beginning Balance |  | 45,383 | 47,426 | $ 45,743 | $ 72,104 | 45,743 | 72,104 |  |
Net (loss) income allocable to redeemable noncontrolling interests |  |  |  | (10) | 604 |  |  |  |
Distributions declared to redeemable noncontrolling interests |  |  |  | (2,388) | (2,943) |  |  |  |
Liability reclassification due to exercise of redemption option by joint venture partner | $ (22,000) |  |  | 0 | (22,461) |  |  |  |
Other, net, including adjustments to redemption value |  |  |  | 2,038 | 122 |  |  |  |
Ending Balance |  |  |  | 45,383 | 47,426 |  |  |  |
Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at September 30 |  | 45,383 | 47,426 | $ 45,743 | $ 72,104 | 45,743 | 72,104 |  |
Redeemable Noncontrolling Interests | Partnership Interest |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward] |  |  |  |  |  |  |  |  |
Ending Balance |  | 45,383 | 47,426 |  |  | 45,383 | 47,426 |  |
Limited partners' interests in Operating Partnership |  |  |  |  |  |  |  | $ 35,313 | $ 37,356
Other redeemable noncontrolling interests in certain subsidiaries |  |  |  |  |  |  |  | 10,070 | 10,070
Total limited partners' interests in Operating Partnership and other redeemable noncontrolling interests balance at September 30 |  | $ 45,383 | $ 47,426 |  |  | $ 45,383 | $ 47,426 | $ 45,383 | $ 47,426
Capital Unit, Class B |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |
Number of joint ventures | joint_venture |  |  |  |  |  | 3 |  |  |
Number of joint ventures accounted for as noncontrolling interest | joint_venture |  |  |  |  |  | 1 |  |  |

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- Definition Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 16(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
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