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FEDERAL HOME LOAN BANK ADVANCES AND SHORT-TERM BORROWINGS - Summary of Advances (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Fixed rate |  |  |
Outstanding balance | $ 711,000 | $ 411,000 |
Variable rate |  |  |
Outstanding balance | $ 20,000 | $ 70,000 |
Weighted average interest rate (percent) | 4.59% | 0.20% |
Unamortized debt issuance costs | $ 3,700 | $ 4,900 | $ 6,200
Minimum |  |  |
Fixed rate |  |  |
Interest rate (percent) | 0.64% | 0.64% |
Maximum |  |  |
Fixed rate |  |  |
Interest rate (percent) | 3.70% | 3.32% |
Weighted Average |  |  |
Fixed rate |  |  |
Interest rate (percent) | 2.97% | 2.53% |

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- Definition Federal Home Loan Bank, Advances, General Debt Obligations, Disclosure, Weighted Average Interest Rate, Variable + References No definition available. + Details
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- Definition Amount of unearned commitment fees on advances made and reported by Federal Home Loan Bank (FHLBank). + References No definition available. + Details
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