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Note 6 - Investment and Advances in Real Estate Joint Ventures - Investment and Advances to Real Estate Joint Ventures - Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Total real estate, net |  | $ 15,094,925 | $ 15,039,828
Other assets, net |  | 241,948 | 253,779
Assets | [1] | 18,274,022 | 17,826,122
Notes payable, net |  | 7,262,851 | 6,780,969
Secured Debt |  | 353,945 | 376,917
Other Liabilities |  | 599,961 | 601,574
Accumulated other comprehensive income |  | 3,329 | 10,581
Members’ capital |  | 9,525,465 | 9,515,508
Total Liabilities and Members’ Capital |  | 18,274,022 | 17,826,122
Equity, Attributable to Noncontrolling Interest |  | 127,993 | 131,401
KIR [Member] |  |  |
Total real estate, net |  | 669,200 | 668,700
Other assets, net |  | 67,500 | 72,400
Assets |  | 736,700 | 741,100
Notes payable, net |  | 273,400 | 272,900
Secured Debt |  | 0 | 25,000
Other Liabilities |  | 15,900 | 13,900
Accumulated other comprehensive income |  | 600 | 0
Members’ capital |  | 446,800 | 429,300
Total Liabilities and Members’ Capital |  | 736,700 | 741,100
Excluding KIR [Member] |  |  |
Total real estate, net |  | 3,156,200 | 3,440,100
Other assets, net |  | 251,600 | 208,400
Assets |  | 3,407,800 | 3,648,500
Notes payable, net |  | 159,900 | 159,500
Secured Debt |  | 815,600 | 925,900
Other Liabilities |  | 70,900 | 78,800
Accumulated other comprehensive income |  | 5,100 | 6,300
Members’ capital |  | 2,321,900 | 2,444,500
Total Liabilities and Members’ Capital |  | 3,407,800 | 3,648,500
Equity, Attributable to Noncontrolling Interest |  | $ 34,400 | $ 33,500
[1] | Includes restricted assets of consolidated variable interest entities (“VIEs”) at December 31, 2023 and 2022 of $388,620 and $436,605, respectively. See Footnote 16 of the Notes to Consolidated Financial Statements.

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