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Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | $ 598,048 | $ 701,964
Assets, fair value disclosure |  | 704,753
Securities sold, not yet purchased | $ 4,529 | $ 4,809
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Other assets | Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities
Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Derivative assets | $ 3,787 | $ 2,789
Assets, fair value disclosure | 632,483 |
Securities sold, not yet purchased | 4,529 | 4,809
Contingent consideration liability | 4,495 | 6,583
Derivative liabilities | 274,280 | 368,673
Liabilities, fair value disclosure | 283,304 | 380,065
Fair Value, Recurring | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Deposits with banks and short-term investments | 24,666 |
Fair Value, Recurring | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Cash and cash equivalents | 5,982 |
Fair Value, Recurring | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments |  | 4,285
Fair Value, Recurring | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 58,623 | 54,717
Fair Value, Recurring | Alternative investments |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 59,230 | 61,680
Fair Value, Recurring | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 147,173 | 191,325
Fair Value, Recurring | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 289,610 | 343,139
Fair Value, Recurring | Private equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 43,412 | 46,818
Fair Value, Recurring | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Assets, fair value disclosure | 517,693 | 598,186
Securities sold, not yet purchased | 4,529 | 4,809
Contingent consideration liability | 0 | 0
Derivative liabilities | 0 | 0
Liabilities, fair value disclosure | 4,529 | 4,809
Fair Value, Recurring | Level 1 | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Deposits with banks and short-term investments | 24,666 |
Fair Value, Recurring | Level 1 | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Cash and cash equivalents | 5,982 |
Fair Value, Recurring | Level 1 | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments |  | 4,285
Fair Value, Recurring | Level 1 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 58,034 | 54,224
Fair Value, Recurring | Level 1 | Alternative investments |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 10,763 | 15,676
Fair Value, Recurring | Level 1 | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 129,004 | 180,907
Fair Value, Recurring | Level 1 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 289,244 | 343,094
Fair Value, Recurring | Level 1 | Private equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Derivative assets | 3,787 | 2,789
Assets, fair value disclosure | 22,269 | 13,202
Securities sold, not yet purchased | 0 | 0
Contingent consideration liability | 0 | 0
Derivative liabilities | 274,280 | 368,673
Liabilities, fair value disclosure | 274,280 | 368,673
Fair Value, Recurring | Level 2 | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Deposits with banks and short-term investments | 0 |
Fair Value, Recurring | Level 2 | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Cash and cash equivalents | 0 |
Fair Value, Recurring | Level 2 | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments |  | 0
Fair Value, Recurring | Level 2 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | Level 2 | Alternative investments |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | Level 2 | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 18,166 | 10,413
Fair Value, Recurring | Level 2 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 316 | 0
Fair Value, Recurring | Level 2 | Private equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Assets, fair value disclosure | 845 | 766
Securities sold, not yet purchased | 0 | 0
Contingent consideration liability | 4,495 | 6,583
Derivative liabilities | 0 | 0
Liabilities, fair value disclosure | 4,495 | 6,583
Fair Value, Recurring | Level 3 | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Deposits with banks and short-term investments | 0 |
Fair Value, Recurring | Level 3 | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Cash and cash equivalents | 0 |
Fair Value, Recurring | Level 3 | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments |  | 0
Fair Value, Recurring | Level 3 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 589 | 493
Fair Value, Recurring | Level 3 | Alternative investments |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | Level 3 | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | Level 3 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | Level 3 | Private equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 256 | 273
Fair Value, Recurring | NAV |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Derivative assets | 0 | 0
Assets, fair value disclosure | 91,676 | 92,599
Securities sold, not yet purchased | 0 | 0
Contingent consideration liability | 0 | 0
Derivative liabilities | 0 | 0
Liabilities, fair value disclosure | 0 | 0
Fair Value, Recurring | NAV | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Deposits with banks and short-term investments | 0 |
Fair Value, Recurring | NAV | U.S. Treasury Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Cash and cash equivalents | 0 |
Fair Value, Recurring | NAV | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments |  | 0
Fair Value, Recurring | NAV | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 0 | 0
Fair Value, Recurring | NAV | Alternative investments |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 48,467 | 46,004
Fair Value, Recurring | NAV | Debt |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 3 | 5
Fair Value, Recurring | NAV | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | 50 | 45
Fair Value, Recurring | NAV | Private equity |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investments | $ 43,156 | $ 46,545

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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