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Borrowed Funds - Analysis of Contractual Maturities of Outstanding Federal Home Loan Bank Advances (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Year of Maturity |  |  |
Total FHLB advances |  | $ 14,627,661 | $ 13,102,661
Contractual Maturity |  |  |
Year of Maturity |  |  |
2021 |  | 3,272,661 |
2022 |  | 550,000 |
2023 |  | 2,525,000 |
2024 |  | 800,000 |
2028 |  | 4,350,000 |
2029 |  | 3,130,000 |
Total FHLB advances |  | $ 14,627,661 |
Weighted Average Interest Rate |  |  |
2021 | [1] | 0.87% |
2022 | [1] | 1.31% |
2023 | [1] | 0.85% |
2024 | [1] | 0.53% |
2028 | [1] | 2.40% |
2029 | [1] | 1.55% |
Total FHLB advances | [1] | 1.47% |
Earlier of Contractual Maturity or Next Call Date |  |  |
Year of Maturity |  |  |
2021 |  | $ 8,952,661 |
2022 |  | 2,150,000 |
2023 |  | 2,725,000 |
2024 |  | 800,000 |
Total FHLB advances |  | $ 14,627,661 |
Weighted Average Interest Rate |  |  |
2021 | [1] | 1.73% |
2022 | [1] | 1.43% |
2023 | [1] | 0.91% |
2024 | [1] | 0.53% |
Total FHLB advances | [1] | 1.47% |
[1] | Does not included the effect interest rate swap agreements.

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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 The calculated weighted average interest rate for 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 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Weighted average interest rate of advance from Federal Home Loan Bank (FHLBank) due after fifth 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 -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=120398452&loc=d3e534808-122878 + Details
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- Definition Amount of advance from Federal Home Loan Bank (FHLBank) maturing after fifth 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 -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: 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 Amount of advance from Federal Home Loan Bank (FHLBank) maturing in second 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 -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: 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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