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RELATED PARTY TRANSACTIONS AND FEES (Details Narrative) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 30, 2018 shares	Dec. 31, 2017 USD ($) a	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Interest receivable			$ 7,249
Total notes receivable			112,095	$ 126,564	$ 120,243	$ 152,645
Notes payable			$ 897,499
Statutory tax rate			35.00%
Area of land | a			3,601
Subsequent Event [Member]
Statutory tax rate	21.00%
Maximum [Member]
Statutory tax rate			35.00%
Mezzanine Financing [Member]
Notes payable			$ 110,172
UnifiedHousingFoundationIncMember
Interest receivable			7,800
Total notes receivable			102,900
Recognized interest income			9,000
Originated interest income			45,700
Interest income			10,200
Proceeds from notes receivables			30,000
Pillar Income Asset Management, Inc [Member]
Rent received			700	$ 700	$ 700
Interest income			$ 1,196
Related Party [Member]
Area of land | a			66.7
Related Party [Member] | Mezzanine Financing [Member]
Notes payable			$ 60,400
RAI [Member] | Subsequent Event [Member]
Number of shares of preferred stock converted | shares		200,000
Number of common stock issued for conversion | shares		482,716

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