Equity method investment summarized financial information debt net.

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Financing Receivable, Extension Option Term

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Financing Receivable, Gain (Loss) On Sale Of Financing Receivable

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Financing Receivable, Repurchase Face Amount

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Notes Receivable, Interest Rate

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Amount, before allowance for credit loss, of financing receivable.

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The number of real estate properties owned as of the balance sheet date.

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The cash outflow from repayment of borrowings to finance the cost of construction.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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DEBT AND PREFERRED EQUITY INVESTMENTS (Details)	3 Months Ended	12 Months Ended
DEBT AND PREFERRED EQUITY INVESTMENTS (Details)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($) property	Dec. 31, 2018 USD ($)	Dec. 31, 2021 property	Sep. 03, 2021 USD ($)
Summary of Investment Holdings [Line Items]
Number of real estate properties \| property				81
Austin Preferred Equity Investment \| Notes Receivable
Summary of Investment Holdings [Line Items]
Note receivable		$ 50,000,000
Number of real estate properties \| property		2
Notes receivable, interest rate		9.00%
Extension option term		1 year
Note receivable repurchased amount					$ 50,000,000
Gain on financing receivable redemption	$ 2,800,000
1919 Venture
Summary of Investment Holdings [Line Items]
Note receivable			$ 44,400,000
Notes receivable, interest rate			4.00%
Debt, net			$ 44,400,000
Repayment of construction loan			$ 88,800,000