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Common Stock, Shares Acquired during Period, Value

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Disposal Group, Including Discontinued Operation, Costs and Expenses

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- Definition

Number of real estate units.

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Number of Real Estate Properties Disposed.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

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- Definition

Net rentable area for properties owned.

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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The cumulative amount of depreciation for real estate property held for investment purposes.

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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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Number of new stock issued during the period.

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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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REAL ESTATE HELD FOR SALE - Additional Information (Details) $ in Thousands					3 Months Ended		12 Months Ended
	Nov. 01, 2019 USD ($) shares	Oct. 29, 2019 USD ($) shares	Jul. 19, 2019 USD ($)	Jan. 11, 2019 USD ($)	Mar. 31, 2020 USD ($) property	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) property	Jan. 31, 2014 unit	Dec. 12, 2012 ft²
Real Estate Properties [Line Items]
Accumulated depreciation and amortization					$ 74,128		$ 65,381
Gain on sale of real estate					$ 0	$ 7,575
424 Bedford
Real Estate Properties [Line Items]
Sale price				$ 43,800
Real estate held for sale, net				34,000
Accumulated depreciation and amortization				5,300
Gain on sale of real estate				$ 7,600
Burbank Collection
Real Estate Properties [Line Items]
Sale price			$ 25,900
Real estate held for sale, net			14,700
Accumulated depreciation and amortization			2,600
Gain on sale of real estate			$ 10,500
424 Bedford
Real Estate Properties [Line Items]
Number of real estate units \| unit								66
Disposed of by Sale
Real Estate Properties [Line Items]
Number of real estate properties disposed \| property					0
Total expenses					$ 247	$ 3,917
Disposed of by Sale \| SREIT
Real Estate Properties [Line Items]
Ownership interest	6.89%	6.89%
Disposed of by Sale \| SREIT
Real Estate Properties [Line Items]
Issuance of common stock (in shares) \| shares	56,979,352
Shares acquired during period (in shares) \| shares		7,186,000
Shares acquired during period		$ 5,200
Disposed of by Sale \| 125 John Carpenter
Real Estate Properties [Line Items]
Sale price	$ 99,800
Gain on sale of real estate		$ 16,000
Total expenses	$ 200
Office Properties \| Disposed of by Sale
Real Estate Properties [Line Items]
Number of real estate properties disposed \| property							1
Retail Property \| Burbank Collection
Real Estate Properties [Line Items]
Net rentable area \| ft²									39,428
Retail Property \| Disposed of by Sale
Real Estate Properties [Line Items]
Number of real estate properties disposed \| property							1
Apartment Building \| Disposed of by Sale
Real Estate Properties [Line Items]
Number of real estate properties disposed \| property							1