Real Estate Investments, Net (Properties Sold and Assets Held-for-sale) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 10,784	$ 70,839
Assets Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Land	797	4,051
Buildings, fixtures and improvements	9,987	66,788
Assets held for sale	$ 10,784	$ 70,839

Amount classified as assets attributable to disposal group held for sale or disposed of.

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