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Short-Term Borrowings and Other Obligations - Lines of Credit (Details) - Line of credit - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Federal home loan bank borrowings |  |
Line of Credit Facility [Line Items] |  |
Lines of credit | $ 1,037.0 | $ 711.6
Federal reserve line of credit |  |
Line of Credit Facility [Line Items] |  |
Lines of credit | 60.6 | 58.7
Federal reserve line of credit | Federal Reserve Bank Term Funding Program |  |
Line of Credit Facility [Line Items] |  |
Lines of credit | 283.6 |
Unsecured debt | Federal funds purchased |  |
Line of Credit Facility [Line Items] |  |
Lines of credit | $ 150.0 | $ 150.0

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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Balance Type: | credit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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