v2.4.1.9
Reconciliation of Realized and Net Change in Unrealized Gains (Losses) to Other Income - Net Gains from Fund Investment Activities in Condensed Consolidated Statements of Operations (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Gain (Loss) on Investments [Line Items]    
Realized Gains $ 65,658bx_RealizedGainsLossesHeldByConsolidatedFunds $ 13,713bx_RealizedGainsLossesHeldByConsolidatedFunds
Net Change in Unrealized Gains (Losses) 109,247bx_NetChangeInUnrealizedGainsLossesHeldByConsolidatedFunds (27,214)bx_NetChangeInUnrealizedGainsLossesHeldByConsolidatedFunds
Realized and Net Change in Unrealized Gains (Losses) from Consolidated Blackstone Funds 174,905bx_TotalRealizedGainsLossesAndNetChangeInUnrealizedGainsLossesHeldByConsolidatedFunds (13,501)bx_TotalRealizedGainsLossesAndNetChangeInUnrealizedGainsLossesHeldByConsolidatedFunds
Interest and Dividend Revenue Attributable to Consolidated Blackstone Funds 64,067bx_InterestAndDividendRevenueAttributableToConsolidatedFunds 83,656bx_InterestAndDividendRevenueAttributableToConsolidatedFunds
Other Income - Net Gains from Fund Investment Activities $ 238,972us-gaap_OtherNonoperatingIncome $ 70,155us-gaap_OtherNonoperatingIncome