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Real Estate Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Schedule of Investments [Line Items]
Land	$ 17,297		$ 17,297		$ 17,297
Buildings and improvements	56,920		56,920		56,168
Intangibles	329		329		329
Subtotal	74,546		74,546		73,794
Less accumulated depreciation and amortization	12,763		12,763		11,593
Total	61,783		61,783		$ 62,201
Gain on sale of real estate investment	$ 1,886	$ 281	$ 1,886	$ 554
Minimum
Schedule of Investments [Line Items]
Estimated useful life			5 years
Maximum
Schedule of Investments [Line Items]
Estimated useful life			39 years
California Non-Utility Property Portfolio [Domain]
Schedule of Investments [Line Items]
Proceeds from Sale of Real Estate Held-for-investment			$ 2,015
Gain on sale of real estate investment			1,886
Real Estate Selling Expenses			$ 91
California Non-Utility Property [Member]
Schedule of Investments [Line Items]
Proceeds from Sale of Real Estate Held-for-investment				300
Gain on sale of real estate investment				281
Real Estate Selling Expenses				10
Texas Retail Buildings [Member]
Schedule of Investments [Line Items]
Proceeds from Sale of Real Estate Held-for-investment				4,450
Gain on sale of real estate investment				273
Real Estate Selling Expenses				$ 169

X

- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of intangible assets related to Real Estate Investments having a reasonably expected period of economic benefit.

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Real Estate Selling Expenses

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- Definition

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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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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