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INCOME TAXES - Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Carryforwards
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	35.00%
Tax (provision)/benefit, net	$ 3,838	$ 688	$ (240)
Increase in tax benefit	3,100
Unrealized gains, other investment	1,300
One time tax benefit		(2,000)
Internal Revenue Service (IRS)
Carryforwards
Net loss carryforwards	27,100
State
Carryforwards
Net loss carryforwards	68,100
UDR, Inc.
Carryforwards
Unrecognized Tax Benefits	$ 0	$ 0

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Amount of reported income tax expense (benefit) attributable to the repeal of the Alternative Minimum Tax by the Tax Cuts and Jobs Act of 2017.

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The amount of increase in income tax expense due to unrealized gains on other investment ventures during the period.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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