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Off-balance sheet financial instruments - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2024 | Dec. 31, 2023
Off balance sheet financial instruments |  |
Expiration period of standby letters | 12 months |
Amount of standby letters of credit | $ 57.2 | $ 55.9

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- References No definition available. + Details
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- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the assets received as collateral against securities loaned to other broker-dealers. Borrowers of securities generally are required to provide collateral to the lenders of securities, commonly cash but sometimes other securities or standby letters of credit, with a value slightly higher than that of the securities borrowed. In instances where the entity is permitted to sell or re-pledge these securities, the entity reports the fair value of the collateral received and the related obligation to return the collateral as a liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (b)(1) -SubTopic 30 -Topic 860 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A + Details
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