Discontinued Operations (Schedule of Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net (loss) income from discontinued operations	$ (7)	$ 20,749
Discontinued Operations, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest on bonds		6
Interest on loans and short-term investments		235
Asset management fee and reimbursements		1,018
Equity in income from unconsolidated funds and ventures		1
Other income		53
Salaries and benefits		(53)
General and administrative		(68)
Professional fees	(7)	(20)
Other expense		(197)
Gains on sales and operations of real estate, net		63
Income tax expense		(641)
Net (loss) income from discontinued operations, net of tax	(7)	397
Net gain on disposal of discontinued operations		20,352
Net (loss) income from discontinued operations	$ (7)	20,749
Cumulative translation adjustments		$ 3,400