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Regulatory Capital - Additional Information (Details) | 9 Months Ended
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Sep. 30, 2025
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] |
Description of Material Affects of Noncompliance | Failure to meet minimum capital requirements can result in certain mandatory, and possibly additional discretionary actions on the part of regulators, that if undertaken, could have a direct material effect on the Bank’s assets, liabilities, and certain off-balance sheet items as calculated under regulatory practices.

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- Definition Description of the possible material effects of noncompliance with capital adequacy requirements when the entity is not in compliance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1H + Details
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