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Federal Home Loan Bank Advances - Additional Information (Details) - USD ($) | 12 Months Ended |
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Dec. 31, 2019 | Dec. 31, 2018
Federal Home Loan Bank Advances [Line Items] |  |
Federal home loan bank, total fixed-rate advances | $ 390,000,000 |
Federal home loan bank, total variable rate advances | $ 100,000,000 |
Federal home loan bank advances, Variable interest rate | 1.47% |
Federal home loan bank variable rate advances, maturity date | 2020-02 |
Federal home loan bank, required investment conversion ratio | 4.50 |
Additional borrowing capacity from FHLB | $ 1,400,000,000 | $ 1,300,000,000
Federal home loan bank advances maximum borrowing capacity as percentage of total assets | 35.00% |
Minimum |  |
Federal Home Loan Bank Advances [Line Items] |  |
Federal home loan bank advances, Fixed interest rate | 1.74% |
Federal home loan bank fixed rate advances, maturity date | 2020-01 |
Maximum |  |
Federal Home Loan Bank Advances [Line Items] |  |
Federal home loan bank advances, Fixed interest rate | 1.77% |
Federal home loan bank fixed rate advances, maturity date | 2020-03 |

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- Definition Fixed interest rate of advances made and reported by Federal Home Loan Bank (FHLBank). + References No definition available. + Details
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- Definition Federal home loan bank advances floating interest rate. + References No definition available. + Details
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- Definition Federal home loan bank advances maximum borrowing capacity as percentage of total assets. + References No definition available. + Details
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- Definition Ratio applied to the conversion of required investment in Federal Home Loan Bank (FHL Bank) $1 for every $ 20. + References No definition available. + Details
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- Definition Par amount of advances made and reported by Federal Home Loan Bank (FHLBank) with fixed interest rate. + References No definition available. + Details
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- Definition Par amount of advances made and reported by Federal Home Loan Bank (FHLBank) with floating interest rate. + References No definition available. + Details
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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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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