The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The cumulative amount of depreciation for real estate property held for investment purposes.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Real Estate Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Real Estate Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Schedule of Investments [Line Items]
Land	$ 13,262		$ 13,262		$ 13,262
Buildings and improvements	43,211		43,211		43,074
Subtotal	56,473		56,473		56,336
Less accumulated depreciation and amortization	12,925		12,925		12,327
Total	43,548		43,548		$ 44,009
Restricted Cash		$ 750		$ 750
Proceeds from Sale of Real Estate Held-for-investment	745
Ownership Percentage by Parent		70.00%		70.00%
Gain on sale of real estate investments	745	$ 0	$ 745	$ 0
Minimum
Schedule of Investments [Line Items]
Estimated useful life			7 years
Maximum
Schedule of Investments [Line Items]
Estimated useful life			39 years
Parent [Member]
Schedule of Investments [Line Items]
Gain on sale of real estate investments	521
Noncontrolling Interest [Member]
Schedule of Investments [Line Items]
Gain on sale of real estate investments	$ 224