Off-Balance-Sheet Risk and Concentration of Credit Risk (Detail) $ in Thousands |
6 Months Ended | |
|---|---|---|
|
Jun. 30, 2017
USD ($)
clearing_broker
|
Dec. 31, 2016
USD ($)
|
|
| Risks and Uncertainties [Abstract] | ||
| Number of clearing brokers | clearing_broker | 3 | |
| Receivables from clearing broker | $ | $ 55,422 | $ 41,492 |
| X | ||||||||||
- Definition Number of Clearing Brokers No definition available.
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| X | ||||||||||
- Definition Amount of right to receive cash and securities on deposit with clearing organizations. Clearing organizations perform post trade processing and trade comparisons among numerous broker-dealers and act as settlement agents between buying and selling broker-dealers. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
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