Summarized Results of Operations for Discontinued Facilities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2013
Discontinued Operations [Line Items]
Managed-only, Revenue	$ 8,976	$ 17,977
Disposal Group, Including Discontinued Operation, Revenue, Total	8,976	17,977
Managed-only, Expenses	10,276	19,584
Depreciation and amortization, Expenses	422	675
Asset impairments	2,637	2,637
Disposal Group, Including Discontinued Operation, Operating Expense, Total	13,335	22,896
OPERATING LOSS	(4,359)	(4,919)
Other expense	1	1
LOSS FROM DISCONTINUED OPERATIONS BEFORE INCOME TAXES	(4,360)	(4,920)
Income tax benefit	1,621	1,826
LOSS FROM DISCONTINUED OPERATIONS, NET OF TAXES	$ (2,739)	$ (3,094)

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

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Disposal Group Including Discontinued Operation Managed Only Revenue.

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Disposal Group Including Discontinued Operation Other Income Expense

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income 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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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: 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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Amount of costs of goods sold attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of depreciation and amortization attributable to disposal group.

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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 operating income or loss 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 income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount 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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