Real Estate Assets, Discontinued Operations and Assets Held for Sale (Table Illustration of Discontinued Operations in Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Discontinued Operations
Revenues	$ 0	$ 5
Operating Expenses	0	(13)
Operating loss	0	(8)
Gain on sale of properties	155	132
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	155	124
Income from discontinued operations	$ 155	$ 124

Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

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