Income Taxes - Additional Information (Detail) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Operating Loss Carryforwards [Line Items] | ||||
| Provision (benefit) for income taxes for continuing operations | $ 8,857,000 | $ 9,619,000 | $ 15,040,000 | $ 17,153,000 |
| Effective income tax rate | 38.50% | 40.80% | 34.20% | 40.70% |
| Valuation allowance | $ 0 | $ 0 | ||
| Tax Year 2014 [Member] | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Provision (benefit) for income taxes for continuing operations | $ 1,800,000 | |||
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Percentage 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|