Discontinued Operations - Results for Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	7 Months Ended	12 Months Ended
Jul. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 3,220	$ 13,790	$ 18,504
Operating expenses	(1,614)	(6,572)	(7,819)
Depreciation and amortization	(932)	(4,632)	(6,789)
Interest expense	(446)	(1,915)	(2,926)
Impairment loss	(87)	(2,904)	(1,522)
Gain on sale of real estate	11,094	11,005	945
Settlement income		(411)
Income from discontinued operations	11,235	8,772	985
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Settlement income			$ 592

Disposal group including discontinued operation impairment loss.

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- Definition

Amount of expense from discontinued operations, that reflects the allocation of the cost of tangible and intangible assets over the assets' useful lives.

+ References

No definition available.

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Amount of interest expense allocated to disposal group, including a discontinued operation.

+ References

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Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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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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No definition available.

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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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