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Related Party Transaction (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Related Party Transaction [Line Items]
Rental income	$ 6,007,567	$ 4,227,121	$ 16,747,951	$ 11,930,730
Pacific Oaks Plaza [Member]
Related Party Transaction [Line Items]
Related Party Transaction Description Of Transaction			The Company leases a portion of its corporate headquarters at Pacific Oaks Plaza in Escondido, California to entities 100% owned by the Company’s Chairman and Chief Executive Officer.
Rental income	$ 7,000	$ 7,000	$ 21,000	$ 21,000
Pacific Oaks Plaza [Member] | Chairman and Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Equity Method Investment Ownership Percentage			100.00%

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- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

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The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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A description of the related party transaction, including transactions to which no amounts or nominal amounts were ascribed and such other information deemed necessary to an understanding of the effects of the transactions on the financial statements. Examples of common related party transactions are, sales, purchases and transfers of realty and personal property, services received or furnished, loans and leases to and from top management and affiliates.

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