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Reconciliation of Total Segments to Income (Loss) Before Provision (Benefit) for Taxes and Total Assets (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Segment Reporting Information [Line Items] | ||||
| Fund Management Fees and Performance Fees Eliminated in Consolidation and Transactional Investment Loss | $ 6,321 | $ (4,273) | $ 11,455 | $ 32,217 |
| Fund Expenses Added in Consolidation | 7,679 | (8,837) | 21,703 | 31,040 |
| Non-Controlling Interests in Income (Loss) of Consolidated Entities | 81,419 | (115,753) | 184,593 | 358,417 |
| Transaction-Related Other Income | (7,467) | (7,097) | (21,623) | (21,262) |
| Total Consolidation Adjustments and Reconciling Items | 87,952 | (135,960) | 196,128 | 400,412 |
| Economic Income | 655,023 | 633,009 | 2,012,752 | 1,354,994 |
| Amortization of Intangibles | (27,525) | (33,338) | (77,504) | (123,661) |
| IPO and Acquisition-Related Charges | (190,525) | (248,179) | (556,193) | (762,012) |
| Non-Controlling Interests in Income (Loss) of Consolidated Entities | 81,419 | (115,753) | 184,593 | 358,417 |
| Total Consolidation Adjustments and Reconciling Items | (136,631) | (397,270) | (449,104) | (527,256) |
| Income Before Provision for Taxes | $ 518,392 | $ 235,739 | $ 1,563,648 | $ 827,738 |