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MORTGAGE AND OTHER INDEBTEDNESS, NET - Senior Unsecured Notes, Unsecured Lines of Credit and Unsecured Term Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Debt Instrument [Line Items] |  |
Weighted average interest rate (as a percent) | 5.10% | 5.02%
Fixed Rate Interest |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate (as a percent) | 5.12% | 5.35%
Senior Unsecured Notes Due 2023 |  |
Debt Instrument [Line Items] |  |
Balance of non-recourse debt | $ 450,000 |
Senior Unsecured Notes Due 2023 | Fixed Rate Interest |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate (as a percent) | 5.25% | 5.25%
Senior Unsecured Notes Due 2024 |  |
Debt Instrument [Line Items] |  |
Balance of non-recourse debt | $ 300,000 |
Senior Unsecured Notes Due 2024 | Fixed Rate Interest |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate (as a percent) | 4.60% | 4.60%
Senior Unsecured Notes Due 2026 |  |
Debt Instrument [Line Items] |  |
Balance of non-recourse debt | $ 625,000 |
Senior Unsecured Notes Due 2026 | Fixed Rate Interest |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate (as a percent) | 5.95% | 5.95%

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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