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Restrictions on Cash and Cash Equivalents	9 Months Ended
Restrictions on Cash and Cash Equivalents	Sep. 30, 2024
Cash and Cash Equivalents [Abstract]
Restrictions on Cash and Cash Equivalents	Restrictions on Cash and Cash Equivalents Cash collateral is posted by the Corporation with counterparties to secure derivatives and other contracts, which is included in "interest-bearing deposits with other banks" on the consolidated balance sheets. The amounts of such collateral as of September 30, 2024 and December 31, 2023 were $35.9 million and $17.4 million, respectively.