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Summary of Aggregate Notional Amount and Fair Value of Derivative Financial Instruments (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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Dec. 31, 2012
|
|---|---|---|
| Derivatives, Fair Value [Line Items] | ||
| Derivative Assets, Notional | $ 2,946,033 | $ 1,306,817 |
| Derivative Liabilities, Notional | 1,495,964 | 1,035,631 |
| Derivative Assets, Fair Value | 44,899 | 99,374 |
| Derivative Liabilities, Fair Value | 14,300 | 22,070 |
|
Freestanding Derivatives | Interest Rate Contracts | Blackstone - Other
|
||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Assets, Notional | 1,994,276 | 689,300 |
| Derivative Liabilities, Notional | 1,083,140 | 636,555 |
| Derivative Assets, Fair Value | 8,521 | 55,270 |
| Derivative Liabilities, Fair Value | 2,676 | 4,116 |
|
Freestanding Derivatives | Interest Rate Contracts | Investments Of Consolidated Blackstone Funds
|
||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Assets, Notional | 62,193 | 165,517 |
| Derivative Liabilities, Notional | 90,500 | |
| Derivative Assets, Fair Value | 3,726 | 6,132 |
| Derivative Liabilities, Fair Value | 772 | |
|
Freestanding Derivatives | Foreign Currency Contracts | Blackstone - Other
|
||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Assets, Notional | 166,066 | 16,771 |
| Derivative Liabilities, Notional | 163,787 | 7,025 |
| Derivative Assets, Fair Value | 1,480 | 74 |
| Derivative Liabilities, Fair Value | 1,015 | 81 |
|
Freestanding Derivatives | Foreign Currency Contracts | Investments Of Consolidated Blackstone Funds
|
||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Assets, Notional | 396,569 | 435,229 |
| Derivative Liabilities, Notional | 239,037 | 301,551 |
| Derivative Assets, Fair Value | 30,830 | 37,898 |
| Derivative Liabilities, Fair Value | 10,018 | 17,101 |
|
Freestanding Derivatives | Total Return Swaps | Blackstone - Other
|
||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Assets, Notional | 326,929 | |
| Derivative Assets, Fair Value | 342 | |
|
Freestanding Derivatives | Credit Default Swaps | Blackstone - Other
|
||
| Derivatives, Fair Value [Line Items] | ||
| Derivative Liabilities, Notional | 10,000 | |
| Derivative Liabilities, Fair Value | $ 591 |