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Federal Home Loan Bank Advances (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items] |  |  |
Federal Home Loan Bank Advances |  | $ 1,900,000,000 | $ 2,100,000,000
FHLB Collateral Pledged |  | 7,800,000,000 |
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract] |  |  |
2025 |  | 116,250,000 |
2026 |  | 162,500,000 |
2027 |  | 242,116,000 |
2028 |  | 1,375,000,000 |
2029 |  | 0 |
Thereafter |  | 11,000 |
Federal home loan bank advances, Total |  | 1,895,877,000 |
Federal Home Loan Bank, Advances, Discount |  | (315,000) |
Advances from Federal Home Loan Banks |  | 1,874,134,000 | 2,138,169,000
Fair value hedge | Hedging derivative |  |  |
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract] |  |  |
Fair Value Hedges, Net | [1] | 45,636,000 | $ 43,706,000
Fair value hedge | Hedging derivative | Federal Home Loan Bank Advances |  |  |
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract] |  |  |
Fair Value Hedges, Net |  | (21,428,000) |
Federal Home Loan Bank |  |  |
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract] |  |  |
Borrowing availability with FHLB, FRB Discount Window and other correspondent banks |  | 2,600,000,000 |
Federal Reserve Bank |  |  |
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract] |  |  |
Borrowing availability with FHLB, FRB Discount Window and other correspondent banks |  | 6,500,000,000 |
Correspondent Banks |  |  |
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract] |  |  |
Borrowing availability with FHLB, FRB Discount Window and other correspondent banks |  | $ 105,000,000 |
Weighted Average |  |  |
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract] |  |  |
2025 | [2] | 4.92% |
2026 | [2] | 4.00% |
2027 | [2] | 4.15% |
2028 | [2] | 3.97% |
2029 | [2] | 0.00% |
Thereafter | [2] | 2.75% |
Weighted average interest rate | [2] | 4.06% |
[1] | The variation margin payments for derivatives cleared through central clearing houses are characterized as settlements. At December 31, 2024 and 2023, the notional amount of fair value derivatives hedges cleared through clearing houses is $3.0 billion and $2.0 billion with a fair value that approximates zero due to $72.7 million and $4.0 million in variation margin payments.
[2] | Some FHLB advances include variable interest rates and could increase in the future. The table reflects rates in effect as of December 31, 2024.

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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/1943274/2147478878/942-470-45-1 + Details
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- Definition Net fair value of all derivative instruments designated as fair value hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480463/815-10-45-5 + Details
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- Definition Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + 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/1943274/2147478878/942-470-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 + Details
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