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Federal Home Loan Bank Advances (Details) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
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Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Federal Home Loan Bank Advances | $ 1,100,000,000 | $ 2,100,000,000
FHLB Collateral Pledged | 6,200,000,000 |
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract] |  |
2021 | 200,000,000 |
2022 | 0 |
2023 | 0 |
2024 | 0 |
2025 | 116,250,000 |
Thereafter | 775,013,000 |
Federal home loan bank advances, Total | 1,091,263,000 |
Federal Home Loan Bank, Advances, Discount | (3,336,000) |
Advances from Federal Home Loan Banks | 1,087,927,000 | $ 2,062,534,000
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 | $ 6,700,000,000 |
Weighted Average |  |
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract] |  |
2021 | 0.28% |
2022 | 0.00% |
2023 | 0.00% |
2024 | 0.00% |
2025 | 0.64% |
Thereafter | 2.15% |
Weighted average interest rate | 1.64% |

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- Definition Maximum amount of combined available credit from FHLB, FRB and correspondent banks. + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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