INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income Or Loss From Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Investments in Unconsolidated Joint Ventures
Income (Loss) from Unconsolidated Joint Venture Investments	$ 357	$ (589)	$ (579)	$ (1,247)
Hiren Boston, LLC
Investments in Unconsolidated Joint Ventures
Income (Loss) from Unconsolidated Joint Venture Investments	301	(354)	42	(689)
SB Partners, LLC
Investments in Unconsolidated Joint Ventures
Income (Loss) from Unconsolidated Joint Venture Investments	0	(50)	(310)	(50)
SB Partners Three, LLC
Investments in Unconsolidated Joint Ventures
Income (Loss) from Unconsolidated Joint Venture Investments	$ 56	$ (185)	$ (311)	$ (508)

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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