Selected Balance Sheet Data - Components of Deferred Compensation and Commissions (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Mar. 31, 2013 |
|---|---|---|---|---|
| Balance Sheet Related Disclosures [Abstract] | ||||
| SARs liability | $ 21,399 | $ 20,542 | $ 19,970 | $ 20,000 |
| Commissions payable to investment sales and financing professionals | 17,015 | 12,176 | ||
| Deferred compensation liability | 5,264 | 3,863 | ||
| Total | $ 43,678 | $ 36,581 |
| X | ||||||||||
- Definition Deferred commission payable and other noncurrent commission related obligations. No definition available.
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| X | ||||||||||
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements related to Rabbi Trust, deferred commissions payable and other commissions related obligations and SARs Liability. No definition available.
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| X | ||||||||||
- Definition Aggregate carrying value (includes principal and accrued interest) as of the balance sheet date of deferred compensation associated with Stock Appreciation Rights payable to each participant in installments upon retirement or departure under terms of the agreement. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable after one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. No definition available.
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