|
Carrying Value and Fair Value of Blackstone Issued Notes (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
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Dec. 31, 2013
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|---|---|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | ||||||||||
| Debt instrument, fair value | $ 1,655,760 | [1] | $ 1,200,397 | [1] | ||||||
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6.625% Notes
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| Debt Instrument [Line Items] | ||||||||||
| Carrying value of issued notes | 627,081 | [2] | 632,823 | [2] | ||||||
| Debt instrument, fair value | 694,688 | [2],[3] | 684,860 | [2],[3] | ||||||
|
5.875% Notes
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| Debt Instrument [Line Items] | ||||||||||
| Carrying value of issued notes | 398,667 | 398,543 | ||||||||
| Debt instrument, fair value | 464,680 | [3] | 447,120 | [3] | ||||||
|
4.750% Notes
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| Debt Instrument [Line Items] | ||||||||||
| Carrying value of issued notes | 393,651 | 393,202 | ||||||||
| Debt instrument, fair value | 433,280 | [3] | 415,760 | [3] | ||||||
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6.250% Notes
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| Debt Instrument [Line Items] | ||||||||||
| Carrying value of issued notes | 239,832 | 239,738 | ||||||||
| Debt instrument, fair value | 307,725 | [3] | 278,550 | [3] | ||||||
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5.000% Notes
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| Debt Instrument [Line Items] | ||||||||||
| Carrying value of issued notes | 492,988 | |||||||||
| Debt instrument, fair value | $ 518,300 | [3] | ||||||||
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