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Basic and Diluted Net Income Per Common Unit (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Sep. 30, 2012
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Jun. 30, 2012
|
Mar. 31, 2012
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Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
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|
| Earnings Per Share [Line Items] | |||||||||||
| Net Income (Loss) Attributable to The Blackstone Group L.P. | $ 621,255 | $ 171,164 | $ 211,148 | $ 167,635 | $ 106,413 | $ 128,824 | $ (74,964) | $ 58,325 | $ 1,171,202 | $ 218,598 | $ (168,303) |
| Weighted-Average Common Units Outstanding | 587,018,828 | 533,703,606 | 475,582,718 | ||||||||
| Basic Net Income (Loss) Per Common Unit | $ 1.05 | $ 0.29 | $ 0.36 | $ 0.29 | $ 0.19 | $ 0.24 | $ (0.14) | $ 0.12 | $ 2.00 | $ 0.41 | $ (0.35) |
| Weighted-Average Common Units Outstanding | 587,018,828 | 533,703,606 | 475,582,718 | ||||||||
| Weighted-Average Unvested Deferred Restricted Common Units | 3,527,812 | 4,965,464 | |||||||||
| Weighted-Average Diluted Common Units Outstanding | 590,546,640 | 538,669,070 | 475,582,718 | ||||||||
| Diluted Net Income (Loss) Per Common Unit | $ 1.04 | $ 0.29 | $ 0.36 | $ 0.29 | $ 0.19 | $ 0.24 | $ (0.14) | $ 0.11 | $ 1.98 | $ 0.41 | $ (0.35) |