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	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Discontinued Operations
Revenues	$ 0	$ 85	$ 0	$ 117
Operating Expenses	0	0	0	(9)
Operating income	0	85	0	108
Gain on sale of properties	112	136	366	3,157
Discontinued Operation, Income (Loss) from Discontinued Operation	112	221	366	3,265
Income from discontinued operations	$ 112	$ 221	$ 366	$ 3,265

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

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