Partnership's Borrowings Through Consolidated CLO Vehicles (Detail) - Partnership's Borrowings Through Consolidated CLO Vehicles - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Dec. 31, 2014 |
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| Debt Instrument [Line Items] | ||||
| Borrowing Outstanding | $ 3,484,177 | $ 7,334,316 | ||
| Senior Secured Notes | ||||
| Debt Instrument [Line Items] | ||||
| Borrowing Outstanding | $ 3,276,326 | $ 6,594,266 | ||
| Weighted Average Interest Rate | 1.91% | 1.27% | ||
| Weighted Average Remaining Maturity in Years | 5 years 1 month 6 days | 3 years 9 months 18 days | ||
| Subordinated Notes | ||||
| Debt Instrument [Line Items] | ||||
| Borrowing Outstanding | $ 207,851 | $ 740,050 | ||
| Weighted Average Interest Rate | [1] | |||
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