DISCONTINUED OPERATIONS (Schedule of Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net gain on sale of business	$ 13,400	$ 33,410	$ 0
Net income from discontinued operations		35,356	18,846
Net income to common shareholders from discontinued operations		35,356	20,512
Discontinued Operations, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest on bonds		6	77
Interest on loans and short-term investments		746	394
Asset management fee and reimbursements		1,370	24,590
Other income		53	1,093
Interest expense			(123)
Salaries and benefits		(53)	(8,134)
General and administrative		(68)	(1,420)
Professional fees		(45)	(1,916)
Other expense		(527)	(1,591)
Gains on sales and operations of real estate, net		63	6,549
Equity in income (loss) from unconsolidated funds and ventures		1	18
Income tax expense			(692)
Net income from discontinued operations, net of tax		1,546	18,845
Net gains on loans		400
Net losses on derivatives			(250)
Net gain on sale of business			251
Net gain on disposal of discontinued operations		33,410
Net income from discontinued operations		35,356	18,846
Loss from discontinued operations allocable to noncontrolling interests			1,666
Net income to common shareholders from discontinued operations		35,356	$ 20,512
Cumulative translation adjustments		$ 3,400