v2.4.0.8

Carrying Value and Fair Value of Blackstone Issued Notes (Detail) (USD $)
In Thousands, unless otherwise specified

Sep. 30, 2013

Dec. 31, 2012

6.625% Notes

Debt Instrument [Line Items]

Carrying value of issued notes

$ 634,710

^[1]

$ 640,220

^[1]

Debt instrument, fair value

687,317

^[1],[2]

682,344

^[1],[2]

5.875% Notes

Debt Instrument [Line Items]

Carrying value of issued notes

398,502

398,386

Debt instrument, fair value

447,920

^[2]

456,200

^[2]

4.750% Notes

Debt Instrument [Line Items]

Carrying value of issued notes

393,053

392,629

Debt instrument, fair value

416,920

^[2]

426,160

^[2]

6.250% Notes

Debt Instrument [Line Items]

Carrying value of issued notes

239,707

239,619

Debt instrument, fair value

$ 265,150

^[2]

$ 275,275

^[2]

[1]	The carrying and fair values are determined using the original $600 million par amount less $15 million attributable to these notes which were acquired but not retired by Blackstone during 2012.
[2]	Fair value is determined by broker quote and these notes would be classified as Level II within the fair value hierarchy.

X

- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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Balance Type:	credit
Period Type:	instant

X

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611

+ Details

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Period Type:	instant

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration