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v3.22.1

Short-Term Borrowings (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Short-Term Borrowings (Details) [Line Items] |  |
Total secured securities | $ 25.3 | $ 23.6
Purchases of federal funds | $ 41.0 | $ 41.0
Retail Repurchase Agreements [Member] |  |
Short-Term Borrowings (Details) [Line Items] |  |
Mortgage-backed securities maturity, basis of allocation description | These securities have various maturity dates from 2022 through 2061. |
Total secured securities | $ 25.3 |
Short-term borrowings mature, description | The repurchase agreements mature within one month. |

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