Segment Reporting - Schedule of Reconciliation of Reportable Segment Revenue, Expenses and Profit (Parenthetical) (Detail) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Receivables Factoring [Member] | ||||
| Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] | ||||
| Funding costs of fed funds percentage | 2.50% | 2.50% | 2.50% | 2.50% |