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v3.23.1

Borrowings - Schedule of short-term borrowings (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) note | Dec. 31, 2022 USD ($) note
Short-Term Debt [Line Items] |  |
Total short-term debt | $ 615,881,000 | $ 351,054,000
Weighted average rate for securities sold under agreements to repurchase | 2.44% | 1.91%
Weighted average maturity period for securities sold under agreements to repurchase | 4 days | 5 days
Federal funds purchased | $ 0 | $ 0
FHLB advances maturing in less than one year from date of origination, and the current portion of long-term FHLB advances due within 12 months |  |
Short-Term Debt [Line Items] |  |
Total short-term debt | 603,881,000 | 339,054,000
Term Loan, current portion due within 12 months |  |
Short-Term Debt [Line Items] |  |
Total short-term debt | $ 12,000,000 | $ 12,000,000
Federal Home Loan Bank Certificates and Obligations (FHLB) |  |
Short-Term Debt [Line Items] |  |
Number of notes | note | 4 | 4
Weighted average rate for securities sold under agreements to repurchase | 4.81% | 4.28%
Minimum |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings, mature period | 1 day |
Maximum |  |
Short-Term Debt [Line Items] |  |
Short-term borrowings, mature period | 90 days |

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