Commitments and Contingent Liabilities - Commitments to Extend Credit, Participations Sold (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Commitments to extend credit
Commitments
Participations sold to other institutions	$ 89.7	$ 90.5
Standby letters of credit
Commitments
Participations sold to other institutions	$ 8.6	$ 8.1

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