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Goodwill and Intangible Assets, Net (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets/Contractual Rights |  | $ 1,745,376 | $ 1,745,376 |  |
Accumulated Amortization |  | (1,528,089) | (1,460,992) |  |
Intangible Assets, Net |  | 217,287 | 284,384 | $ 347,955 | $ 397,508
Finite-lived Intangible Assets Acquired | [1] | 0 | 11,300 | $ 21,500 |
DCI acquisition [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-lived Intangible Assets Acquired |  | $ 21,500 | $ 11,300 |  |
[1] | In December 2020, Blackstone acquired DCI, a San Francisco based systematic credit investment firm. Provisional amounts of Intangible Assets and Goodwill for the acquisition of DCI were reported for the year ended December 31, 2020, which resulted in a $21.5 million increase in Intangible Assets. During the year ended December 31, 2021, Blackstone obtained additional information needed to identify and measure the acquired assets, which resulted in a $11.3 million increase in Intangible Assets. Intangible Assets related to the DCI acquisition are primarily comprised of contractual rights to earn future fee income.

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