Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Investments assets pledged	$ 171,182	$ 169,746
Partners' Capital, common units: issued	666,812,752	659,526,093
Partners' Capital, common units: outstanding	666,812,752	659,526,093
Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary
Assets	$ 8,564,903	$ 15,050,406
Liabilities	6,823,783	13,158,295
Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary \| Securities Sold, Not Yet Purchased
Liabilities	98,378	89,907
Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary \| Investments
Assets	7,556,384	12,948,653
Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary \| Accounts Receivable
Assets	296,348	470,156
Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary \| Repurchase Agreements
Liabilities	142,519	118,840
Consolidated Blackstone Funds \| Loans Payable \| Variable Interest Entity, Primary Beneficiary
Liabilities	5,765,189	11,300,621
Cash Held by Funds and Other \| Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary
Assets	700,567	1,580,296
Due from Affiliates \| Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary
Assets	6,759	46,112
Other Assets \| Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary
Assets	4,845	5,189
Due to Affiliates \| Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary
Liabilities	121,294	86,393
Accounts Payable, Accrued Expenses and Other Liabilities \| Consolidated Blackstone Funds \| Variable Interest Entity, Primary Beneficiary
Liabilities	$ 696,403	$ 1,562,534

Number of common units issued of limited liability company (LLC).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Number of common units of ownership outstanding of a limited liability company (LLC).

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The sum of the fair values, as of the date of each statement of financial position presented, of securities that are restricted as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=77990344&loc=d3e5710-111685

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The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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