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Borrowings - Schedule of Borrowings (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Federal Home Loan Bank advances, variable and fixed rates ranging from 1.62% to 4.90%, due at various dates through November 21, 2033 | $ 750,264 | $ 575,376
Securities sold under agreements to repurchase | 136,030 | 137,871
Federal funds purchased | 0 | 134,746
Federal Reserve Bank - Discount Window | 0 | 244,000
Federal Reserve Bank - Bank Term Funding Program | 430,000 | 0
Secured borrowings | 36,756 | 50,956
Total borrowings | $ 1,353,050 | $ 1,142,949
Minimum |  |
Debt Instrument [Line Items] |  |
Federal Home Loan Bank advances, variable and fixed rates | 1.62% |
Maximum |  |
Debt Instrument [Line Items] |  |
Federal Home Loan Bank advances, variable and fixed rates | 4.90% |

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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480876/942-470-45-1 + Details
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