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Notes Receivable - Loans Receivable on Real Estate (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Receivables [Abstract]
Balance at January 1	$ 52,444	$ 72,218
Additions:
Interest	0	810
Accretion of discount	483	457
Deductions:
Payments of principal and interest	(6,166)	(232)
Other	0	(20,550)
Balance at June 30	$ 46,761	$ 52,703

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Additions.

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Deductions.

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- Definition

Mortgage loans on real estate interest.

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- Definition

Amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position related to mortgage loans receivable.

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Payments of principal and interest.

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Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 932



-SubTopic 235



-Section 50



-Paragraph 35



-Subparagraph (h)



-URI http://asc.fasb.org/extlink&oid=51678428&loc=d3e62500-109447

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- Definition

The amount of reductions in principal on mortgage loans other than foreclosures, costs of mortgages sold, and amortization of premium during the reporting period.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 948



-SubTopic 310



-Section S99



-Paragraph 1



-Subparagraph (SX 210.12-29.6)



-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 205



-SubTopic 10



-Section S99



-Paragraph 6



-Subparagraph (SX 210.5-04.(c) Schedule IV)



-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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