FAIR VALUE - Consolidated Funds Summary of Valuation Techniques and Quantitative Information (Details) - Consolidated Funds $ in Thousands | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Real estate investments, at fair value | $ 92,587 | $ 74,471 |
Investments, at fair value | 4,510,170 | 3,908,613 |
Level III | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Investments, at fair value | 3,006,457 | 2,390,273 |
Level III | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Real estate investments, at fair value | 92,587 | 66,776 |
Level III | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Real estate investments, at fair value | | 7,695 |
Level III | Communication services | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 73,484 | 67,500 |
Level III | Communication services | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 304 | |
Level III | Consumer discretionary | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 18,804 | 16,062 |
Level III | Consumer discretionary | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 330 | 293 |
Level III | Consumer discretionary | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 40,568 | 43,934 |
Level III | Energy | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 1,948 | 32,765 |
Level III | Energy | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 2,530 | 2,676 |
Level III | Energy | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 15,002 | |
Level III | Financials | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 26,581 | 66,204 |
Level III | Financials | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 12,402 | 12,880 |
Level III | Financials | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | | 6,143 |
Level III | Financials | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 18,475 | |
Level III | Industrials | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 14,811 | 9,875 |
Level III | Industrials | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | | 35,124 |
Level III | Industrials | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 4,788 | 4,527 |
Level III | Industrials | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 56,206 | |
Level III | Materials | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 197,735 | 197,427 |
Level III | Materials | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 45,571 | |
Level III | Real estate | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 6,802 | 3,643 |
Level III | Real estate | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 39,259 | 35,525 |
Level III | Real estate | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 58,823 | 32,173 |
Level III | Real estate | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 366,404 | 302,179 |
Level III | Other | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 448,177 | |
Level III | Other | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 26,687 | (1,137) |
Level III | Other | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | 1,115 | 22,732 |
Level III | Other | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | | 31,474 |
Level III | Equity investments: | Discounted cash flow | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | 267,285 | 214,172 |
Level III | Equity investments: | Recent market information | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | 30,051 | 75,181 |
Level III | Equity investments: | Recent transaction price | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | 46,146 | 74,329 |
Level III | Equity investments: | Discounted cash flow / Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | $ 29,399 | 27,347 |
Level III | Equity investments: | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | | $ 582,299 |
Discount rate | Level III | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.16 | 0.14 |
Discount rate | Level III | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.32 | 0.25 |
Discount rate | Level III | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.23 | 0.18 |
Discount rate | Level III | Communication services | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.12 | 0.12 |
Discount rate | Level III | Communication services | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.13 | 0.13 |
Discount rate | Level III | Communication services | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.13 | 13 |
Discount rate | Level III | Consumer discretionary | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.13 | 0.12 |
Discount rate | Level III | Consumer discretionary | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.18 | 0.15 |
Discount rate | Level III | Consumer discretionary | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.16 | 0.14 |
Discount rate | Level III | Energy | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.14 | 0.13 |
Discount rate | Level III | Energy | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.14 | 0.21 |
Discount rate | Level III | Energy | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.14 | 0.18 |
Discount rate | Level III | Financials | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.12 | 0.12 |
Discount rate | Level III | Financials | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.15 | 0.19 |
Discount rate | Level III | Financials | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.15 | 0.15 |
Discount rate | Level III | Industrials | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.12 | 0.12 |
Discount rate | Level III | Industrials | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.18 | 0.15 |
Discount rate | Level III | Industrials | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.16 | 0.14 |
Discount rate | Level III | Materials | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.10 | 0.10 |
Discount rate | Level III | Materials | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.15 | 0.14 |
Discount rate | Level III | Materials | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.12 | 0.12 |
Discount rate | Level III | Real estate | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.13 | 0.09 |
Discount rate | Level III | Real estate | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.13 | 0.09 |
Discount rate | Level III | Real estate | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.13 | 9 |
Discount rate | Level III | Other | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.11 | 0.10 |
Discount rate | Level III | Other | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.32 | 0.18 |
Discount rate | Level III | Other | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.17 | 14 |
Discount rate | Level III | Equity investments: | Discounted cash flow | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.12 | 0.12 |
Discount rate | Level III | Equity investments: | Discounted cash flow | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.30 | 0.21 |
Discount rate | Level III | Equity investments: | Discounted cash flow | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.21 | 0.19 |
Discount rate | Level III | Equity investments: | Discounted cash flow / Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.13 | 0.14 |
Discount rate | Level III | Equity investments: | Discounted cash flow / Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.13 | 0.14 |
Discount rate | Level III | Equity investments: | Discounted cash flow / Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 0.13 | 14 |
Revenue multiple | Level III | Equity investments: | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | $ 54,626 | $ 83,644 |
Revenue multiple | Level III | Equity investments: | Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 2 | 1 |
Revenue multiple | Level III | Equity investments: | Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 5 | 2 |
Revenue multiple | Level III | Equity investments: | Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 3.2 | 1.8 |
Multiple of underlying assets | Level III | Financials | Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.5 | 0.9 |
Multiple of underlying assets | Level III | Financials | Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 1 | 1 |
Multiple of underlying assets | Level III | Financials | Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.9 | 1 |
Multiple of underlying assets | Level III | Industrials | Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 1 | 0.9 |
Multiple of underlying assets | Level III | Industrials | Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 1 | 1 |
Multiple of underlying assets | Level III | Industrials | Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 1 | 1 |
Multiple of underlying assets | Level III | Real estate | Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.4 | 0.8 |
Multiple of underlying assets | Level III | Real estate | Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 1 | 1 |
Multiple of underlying assets | Level III | Real estate | Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, measurement inputs | 0.9 | 1 |
Multiple of underlying assets | Level III | Equity investments: | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | $ 602,132 | |
Multiple of underlying assets | Level III | Equity investments: | Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 1 | 0.9 |
Multiple of underlying assets | Level III | Equity investments: | Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 1 | 1.1 |
Multiple of underlying assets | Level III | Equity investments: | Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 1 | 1 |
Earning Multiple | Level III | Other | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Credit-oriented investments, at fair value | $ 19,646 | |
Earning Multiple | Level III | Other | Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 5 | |
Earning Multiple | Level III | Other | Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 5 | |
Earning Multiple | Level III | Other | Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 5 | |
Earning Multiple | Level III | Equity investments: | Discounted cash flow / Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 7 | |
Earning Multiple | Level III | Equity investments: | Discounted cash flow / Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 9 | |
Earning Multiple | Level III | Equity investments: | Discounted cash flow / Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 8 | |
Earning Multiple | Level III | Equity investments: | Market approach (comparable companies) | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, at fair value | $ 387,779 | $ 336,831 |
Earning Multiple | Level III | Equity investments: | Market approach (comparable companies) | Minimum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 2 | 5 |
Earning Multiple | Level III | Equity investments: | Market approach (comparable companies) | Maximum | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 12 | 20 |
Earning Multiple | Level III | Equity investments: | Market approach (comparable companies) | Weighted Average | | |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] | | |
Equity investments, measurement inputs | 8 | 9 |