INVESTMENTS - Investments, at Fair Value (Details) $ in Thousands | 12 Months Ended |
Dec. 31, 2021USD ($)investment | Dec. 31, 2020USD ($)investment | Dec. 31, 2019USD ($) |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Investments, percentage of net assets, threshold percentage | 5.00% | 5.00% | |
Total revenues | $ 1,454,410 | $ 429,064 | $ 928,987 |
Consolidated Funds | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 9,995,100 | $ 7,578,788 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 87.20% | 97.20% | |
Equity securities, fair value | $ 1,427,961 | $ 213,642 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 12.50% | 2.70% | |
Real estate investments, at fair value | $ 33,834 | $ 6,879 | |
Real estate, fair value as a percentage of investments of consolidated funds | 0.30% | 0.10% | |
Investments, at fair value | $ 11,456,895 | $ 7,799,309 | |
Total investments, fair value as a percentage of investments of consolidated funds | 100.00% | 100.00% | |
Consolidated Funds | United States: | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 5,301,713 | $ 4,043,650 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 46.30% | 51.90% | |
Total debt securities, cost | $ 5,303,858 | $ 4,064,289 | |
Equity securities, fair value | $ 1,147,619 | $ 210,725 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 10.00% | 2.70% | |
Total equity securities, cost | $ 1,086,667 | $ 282,682 | |
Real estate investments, at fair value | $ 0 | $ 6,879 | |
Real estate, fair value as a percentage of investments of consolidated funds | 0.00% | 0.10% | |
Real estate securities, cost | $ 0 | $ 6,760 | |
Investments, fair value that exceeds threshold | investment | 0 | 0 | |
Consolidated Funds | United States: | Communication services | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 635,930 | $ 554,779 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 5.60% | 7.10% | |
Equity securities, fair value | $ 54,635 | $ 16,822 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.50% | 0.20% | |
Consolidated Funds | United States: | Consumer discretionary | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 665,405 | $ 568,195 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 5.80% | 7.30% | |
Equity securities, fair value | $ 126,978 | $ 604 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 1.10% | 0.00% | |
Consolidated Funds | United States: | Consumer staples | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 190,391 | $ 118,641 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 1.70% | 1.50% | |
Consolidated Funds | United States: | Energy | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 354,585 | $ 232,309 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 3.10% | 3.00% | |
Equity securities, fair value | $ 369,912 | $ 21,747 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 3.20% | 0.30% | |
Consolidated Funds | United States: | Financials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 463,412 | $ 287,291 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 4.00% | 3.70% | |
Equity securities, fair value | $ 151,501 | $ 85,715 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 1.30% | 1.10% | |
Consolidated Funds | United States: | Health care | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 459,713 | $ 410,317 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 4.00% | 5.30% | |
Consolidated Funds | United States: | Health care | Equity securities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Equity securities, fair value | $ 33,475 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.30% | 0.00% | |
Consolidated Funds | United States: | Industrials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 891,850 | $ 727,471 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 7.80% | 9.30% | |
Equity securities, fair value | $ 246,856 | $ 8,752 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 2.20% | 0.10% | |
Consolidated Funds | United States: | Information technology | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 685,959 | $ 504,442 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 6.00% | 6.50% | |
Consolidated Funds | United States: | Materials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 436,434 | $ 251,978 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 3.80% | 3.20% | |
Equity securities, fair value | $ 82,273 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.70% | 0.00% | |
Consolidated Funds | United States: | Real estate | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 202,131 | $ 111,622 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 1.80% | 1.40% | |
Consolidated Funds | United States: | Utilities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 305,220 | $ 264,758 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 2.70% | 3.40% | |
Equity securities, fair value | $ 81,989 | $ 77,085 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.70% | 1.00% | |
Consolidated Funds | United States: | Other | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 10,683 | $ 11,847 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.20% | |
Consolidated Funds | Europe: | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 4,286,363 | $ 3,246,342 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 37.40% | 41.60% | |
Total debt securities, cost | $ 4,289,708 | $ 3,233,125 | |
Equity securities, fair value | $ 150,381 | $ 2,917 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 1.30% | 0.00% | |
Total equity securities, cost | $ 119,114 | $ 2,919 | |
Real estate investments, at fair value | $ 33,834 | $ 0 | |
Real estate, fair value as a percentage of investments of consolidated funds | 0.30% | 0.00% | |
Real estate securities, cost | $ 34,927 | $ 0 | |
Consolidated Funds | Europe: | Communication services | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 756,728 | $ 471,595 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 6.60% | 6.00% | |
Consolidated Funds | Europe: | Consumer discretionary | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 915,535 | $ 755,084 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 8.00% | 9.70% | |
Equity securities, fair value | $ 102,919 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.90% | 0.00% | |
Consolidated Funds | Europe: | Consumer staples | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 206,590 | $ 219,934 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 1.80% | 2.80% | |
Consolidated Funds | Europe: | Energy | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 1,251 | $ 8,033 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.00% | 0.10% | |
Consolidated Funds | Europe: | Financials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 98,126 | $ 75,988 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.90% | 1.00% | |
Equity securities, fair value | $ 19,987 | $ 2,917 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.20% | 0.00% | |
Consolidated Funds | Europe: | Health care | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 751,936 | $ 629,210 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 6.60% | 8.10% | |
Consolidated Funds | Europe: | Industrials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 656,033 | $ 487,243 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 5.70% | 6.20% | |
Equity securities, fair value | $ 27,475 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.20% | 0.00% | |
Consolidated Funds | Europe: | Information technology | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 383,041 | $ 255,662 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 3.30% | 3.30% | |
Consolidated Funds | Europe: | Materials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 466,181 | $ 303,468 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 4.10% | 3.90% | |
Consolidated Funds | Europe: | Real estate | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 34,116 | $ 26,100 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.30% | 0.30% | |
Real estate investments, at fair value | $ 33,834 | $ 0 | |
Real estate, fair value as a percentage of investments of consolidated funds | 0.30% | 0.00% | |
Consolidated Funds | Europe: | Utilities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 1,777 | $ 9,397 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.00% | 0.10% | |
Consolidated Funds | Europe: | Other | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 15,049 | $ 4,628 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.10% | |
Consolidated Funds | Asia and other: | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 407,024 | $ 288,796 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 3.60% | 3.70% | |
Total debt securities, cost | $ 417,825 | $ 288,452 | |
Equity securities, fair value as a percentage of investments of consolidated funds | | 0.00% | |
Total equity securities, cost | 120,308 | $ 0 | |
Consolidated Funds | Asia and other: | Equity securities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Equity securities, fair value | $ 129,961 | 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 1.10% | | |
Consolidated Funds | Asia and other: | Communication services | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 6,087 | $ 18,741 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.20% | |
Consolidated Funds | Asia and other: | Consumer discretionary | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 71,082 | $ 35,580 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.60% | 0.50% | |
Consolidated Funds | Asia and other: | Consumer discretionary | Equity securities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Equity securities, fair value | $ 1,057 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.00% | 0.00% | |
Consolidated Funds | Asia and other: | Consumer staples | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 13,378 | $ 23,755 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.30% | |
Consolidated Funds | Asia and other: | Energy | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 24,325 | $ 9,247 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.20% | 0.10% | |
Consolidated Funds | Asia and other: | Energy | Equity securities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Equity securities, fair value | $ 8,332 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.00% | |
Consolidated Funds | Asia and other: | Financials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 14,739 | $ 12,335 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.20% | |
Consolidated Funds | Asia and other: | Health care | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 4,084 | $ 1,084 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.00% | 0.00% | |
Consolidated Funds | Asia and other: | Industrials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 7,084 | $ 4,759 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.10% | |
Consolidated Funds | Asia and other: | Industrials | Equity securities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Equity securities, fair value | $ 81,782 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.70% | 0.00% | |
Consolidated Funds | Asia and other: | Information technology | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 714 | $ 3,631 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.00% | 0.00% | |
Consolidated Funds | Asia and other: | Materials | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 121,151 | $ 68,791 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 1.10% | 0.90% | |
Consolidated Funds | Asia and other: | Real estate | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 131,155 | $ 75,187 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 1.10% | 1.00% | |
Equity securities, fair value | $ 38,614 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.30% | 0.00% | |
Consolidated Funds | Asia and other: | Utilities | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 3,743 | $ 9,619 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.00% | 0.10% | |
Equity securities, fair value | $ 176 | $ 0 | |
Equity securities, fair value as a percentage of investments of consolidated funds | 0.00% | 0.00% | |
Consolidated Funds | Asia and other: | Other | | | |
Schedule Of Investments In Marketable Securities [Line Items] | | | |
Debt securities, fair value | $ 9,482 | $ 26,067 | |
Debt securities, fair value as a percentage of investments of consolidated funds | 0.10% | 0.30% | |