Disposition of Real Estate and Real Estate Investments and Discontinued Operations - Operating Results Related to Assets Sold (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Discontinued Operations And Disposal Groups [Abstract]
Revenues			$ 39,537
Expenses
Operating expenses			11,070
Impairment charges	$ 0	$ 0	8,877
Interest, net			9,947
Depreciation and amortization			16,254
Total expenses, discontinued operations			46,148
Loss from discontinued operations			(6,611)
Gain on disposition of real estate			96,009
Income from discontinued operations	$ 0	$ 0	$ 89,398

Amount of total expenses attributable to the disposal group (discontinued operations), during the reporting period.

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Disposal group including discontinued operation expenses.

+ References

No definition available.

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Amount of write-down of assets recognized into earnings for assets that have been sold by the reporting entity included in discontinued operations.

+ References

No definition available.

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- Definition

Amount of deprecation and amortization expense attributable to property, plant and equipment and intangible assets of discontinued operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal.

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

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

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

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Amount of difference between the carrying amount and the sales price of real estate properties sold as part of discontinued operations.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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