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Parent Company Only Financial Information - Condensed Statements of Financial Condition, Parenthetical (Details) - shares | Dec. 31, 2024 | Dec. 31, 2023
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Treasury stock, at average cost (in shares) | 5,018,720 | 5,221,813
Holding Company |  |
Treasury stock, at average cost (in shares) | 5,018,720 | 5,221,813

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- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481549/505-30-45-1 + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Details
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