REPORTING SEGMENTS (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment									2
Income Statement
Total revenues	$ 24,276	$ 25,282	$ 21,689	$ 21,911	$ 23,705	$ 27,156	$ 25,290	$ 19,636	$ 93,158	$ 95,787	$ 140,714
Total expenses									(132,890)	(115,600)	(182,577)
Total other income (loss)									24,483	53,573	252,598
Net (loss) income before income taxes									(15,249)	33,760	$ 210,735
Balance Sheets
Total assets	1,041,242				$ 1,004,989				$ 1,041,242	$ 1,004,989
Strategic Opportunistic Properties
Segment Reporting [Abstract]
Number of reportable segments | segment									1
Income Statement
Total revenues									$ 91,351
Total expenses									(130,516)
Total other income (loss)									28,944
Net (loss) income before income taxes									(10,221)
Balance Sheets
Total assets	921,917								$ 921,917
Single-Family Homes
Segment Reporting [Abstract]
Number of reportable segments | segment									1
Income Statement
Total revenues									$ 1,807
Total expenses									(2,374)
Total other income (loss)									(4,461)
Net (loss) income before income taxes									(5,028)
Balance Sheets
Total assets	$ 119,325								$ 119,325