Real Estate and Loans Receivable - Summary of Operations for Disposed Assets in 2016 (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues	$ 7,851	$ 18,112	$ 18,225
Real estate depreciation and amortization	(1,754)	(3,795)	(3,789)
Property-related expenses	(114)	(121)	(60)
Other income (expense)	(23)	1,079	462
Income from real estate dispositions, net	$ 5,960	$ 15,275	$ 14,838

Disposal group including discontinued operation other income expense.

No definition available.

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- Definition

Disposal group including discontinued operation property related expense.

+ References

No definition available.

+ Details

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- Definition

Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760

+ Details

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- Definition

Amount of gross profit attributable to disposal group, including, but not limited to, discontinued operation.

+ References

+ Details

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- Definition

Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

+ References

+ Details

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- References

No definition available.

+ Details

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