17. Discontinued Operations and Real Estate Interests Held for Sale (Detail) (USD $)	1 Months Ended	2 Months Ended
Feb. 25, 2013	Feb. 25, 2013
Sales of Real Estate	$ 24,400,000
Proceeds from Sale of Real Estate	23,400,000
Repayments of First Mortgage Bond	2,700,000
Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Other than 10 or 20 Percent Adverse Change in Discount Rate, Percent		50.00%
Real Estate Held-for-sale	100,000	100,000
Promissory Notes and Accrued Interest Due from Individual [Member]
Nontrade Receivables	$ 1,000,000	$ 1,000,000

Carrying amounts due as of the balance sheet date of the sum of amounts receivable other than from customers.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 24

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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The cash outflow from the repayment of a long-term debt instrument issued, secured by a first mortgage deed of trust, containing a pledge of real property. The lender has the highest claim on the property in case of default.

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Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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A specified percentage variance in the discount rate assumption in the determination of fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

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