OPERATING SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Rental and other property revenues	$ 11,929	$ 31,082
Property operating expenses	(5,997)	(14,455)
Depreciation	(3,109)	(6,446)
Mortgage and loan interest	(7,959)	(14,093)
Interest income	4,558	3,876
Gain on land sales	2,216	1,335
Segment operating (loss) income	(1,253)	5,188
Capital expenditures	60,282	633
Assets	389,938	977,985
Property Sales
Sales price	8,715	5,496
Cost of sale	(6,499)	(4,161)
Gain (loss) on sale	2,216	1,335
Commercial Properties [Member]
Segment Reporting Information [Line Items]
Rental and other property revenues	8,227	7,555
Property operating expenses	(3,936)	(3,749)
Depreciation	(2,375)	(2,293)
Mortgage and loan interest	(1,967)	(1,849)
Segment operating (loss) income	(51)	(336)
Capital expenditures	55,612	633
Assets	154,780	135,805
Apartments [Member]
Segment Reporting Information [Line Items]
Rental and other property revenues	3,700	23,525
Property operating expenses	(2,058)	(10,582)
Depreciation	(734)	(4,149)
Mortgage and loan interest	(934)	(5,456)
Segment operating (loss) income	(26)	3,338
Capital expenditures	589
Assets	153,084	728,525
Property Sales
Sales price		2,512
Cost of sale		(2,512)
Land [Member]
Segment Reporting Information [Line Items]
Property operating expenses	43	(30)
Mortgage and loan interest	(253)	(110)
Gain on land sales	2,216	1,335
Segment operating (loss) income	2,006	1,195
Capital expenditures	4,081
Assets	82,074	113,004
Property Sales
Sales price	8,715	2,984
Cost of sale	(6,499)	(1,649)
Gain (loss) on sale	2,216	1,335
Other [Member]
Segment Reporting Information [Line Items]
Rental and other property revenues	2	2
Property operating expenses	(46)	(94)
Depreciation		(4)
Mortgage and loan interest	(4,805)	(6,678)
Interest income	4,558	3,876
Segment operating (loss) income	$ (291)	(2,898)
Assets		$ 651