Effective Income Tax Rate (Detail)	0 Months Ended	12 Months Ended
Jul. 22, 2013	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Federal statutory rate		34.00%	34.00%
State		4.00%	4.00%
Adjustment to prior year accrual		(23.00%)
Permanent and other adjustments		(10.00%)
Changes in valuation allowances		23.00%	(1.00%)
Noncontrolling		(72.00%)	16.00%
Impairment of goodwill			(79.00%)
Impairment of investment			(6.00%)
Other		2.00%	(4.00%)
Effective income tax rate	38.00%	(42.00%)	(36.00%)

Effective income tax rate reconciliation nondeductible expense impairment of investment.

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Effective income tax rate reconciliation permanent and other adjustments.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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