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Note 10 - Variable Interest Entities ("VIE") - Summary of Restricted Assets and VIE Liabilities (Details) $ in Thousands | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
--- | --- | ---
Real estate, net |  | $ 9,346,041 | $ 9,209,053
Cash and cash equivalents |  | 293,188 | 123,947
Accounts and notes receivable, net |  | 219,248 | 218,689
Other Assets, Total |  | 97,225 | 194,682
Assets, Total | [1] | 11,614,498 | 10,997,867
Secured Debt, Total |  | 311,272 | 484,008
Accounts payable and accrued expenses |  | 146,457 | 170,082
Operating Lease, Liability, Total |  | 96,619 | 92,711
Other Liabilities, Total |  | 324,538 | 346,183
Liabilities, Total | [2] | $ 5,928,460 | $ 6,051,017
Variable Interest Entity, Unencumbered [Member] |  |  |
Number of consolidated VIEs |  | 19 | 19
Variable Interest Entity, Encumbered by Third Party Non-resource Mortgage Debt [Member] |  |  |
Number of consolidated VIEs |  | 3 | 4
Variable Interest Entity, Primary Beneficiary [Member] |  |  |
Number of consolidated VIEs |  | 22 | 23
Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member] |  |  |
Secured Debt, Total |  | $ 36,500 | $ 104,500
Accounts payable and accrued expenses |  | 5,200 | 7,100
Operating Lease, Liability, Total |  | 5,500 | 5,600
Other Liabilities, Total |  | 14,900 | 36,200
Liabilities, Total |  | 62,100 | 153,400
Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member] |  |  |
Real estate, net |  | 97,700 | 228,900
Cash and cash equivalents |  | 1,800 | 9,200
Accounts and notes receivable, net |  | 1,900 | 3,800
Other Assets, Total |  | 1,100 | 3,600
Assets, Total |  | $ 102,500 | $ 245,500
[1] | Includes restricted assets of consolidated variable interest entities ("VIEs") at December 31, 2020 and December 31, 2019 of $102,482 and $245,489, respectively. See Footnote 10 of the Notes to Consolidated Financial Statements.
[2] | Includes non-recourse liabilities of consolidated VIEs at December 31, 2020 and December 31, 2019 of $62,076 and $153,436, respectively. See Footnote 10 of the Notes to Consolidated Financial Statements.

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