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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -Summary of Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Allowance for Tenant Receivables |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Balance, beginning of year | $ 2,337 | $ 2,011
Additions in allowance charged to expense | 0 | 4,817
Bad debts charged against allowance | (2,337) | (4,491)
Balance, end of year | 0 | 2,337
Allowance for Other Receivables |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Balance, beginning of year | 0 | 838
Additions in allowance charged to expense | 0 | 0
Bad debts charged against allowance | 0 | (838)
Balance, end of year | $ 0 | $ 0

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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