Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|---|
| Statement of Financial Position [Abstract] | |||||
| Investments attributable to noncontrolling interests | $ 195,032 | $ 216,838 | |||
| Accumulated depreciation and amortization on fixed assets | 98,277 | 89,312 | |||
| Accumulated amortization on intangible assets | $ 174,889 | $ 170,774 | |||
| Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01 | |||
| Common stock, shares authorized (in shares) | 400,000,000 | 400,000,000 | [1] | ||
| Common stock, shares issued (in shares) | 78,131,703 | 78,250,916 | [1] | ||
| Common stock, shares outstanding (in shares) | 67,549,449 | 67,483,432 | [1] | ||
| Common stock held in treasury, shares (in shares) | 10,582,254 | 10,767,484 | [1] | ||
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- Definition Investments Attributable to Noncontrolling Interest No definition available.
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| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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