Income Taxes - Components of Provision for Income Taxes and Income before Provision for Income Taxes (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Provision Benefit For Income Taxes [Line Items] | |||
| Income tax expense at the federal statutory rate of 35% | $ 39,679 | $ 29,044 | $ 7,679 |
| State income tax expense, net of federal benefit | 4,569 | 3,622 | 985 |
| Effect of state tax rate change on deferred taxes | 1,273 | ||
| Permanent differences related to compensation charges, net of federal benefit | 81 | 163 | 3,445 |
| Change in valuation allowance | 583 | 442 | 86 |
| Other | 833 | 181 | 275 |
| Provision for income taxes | $ 47,018 | $ 33,452 | 13,735 |
| Tax-sharing agreement [Member] | |||
| Provision Benefit For Income Taxes [Line Items] | |||
| Differences due to tax-sharing agreement | $ 1,265 | ||
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- Definition Income tax reconciliation permanent differences related to compensation charges. No definition available.
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- Definition Provision Benefit For Income Taxes [Line Items] No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount 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 increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount 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 increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount 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 tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount 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 state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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