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Assets Purchased under Resale Agreements and Sold under Repurchase Agreements - Resale Agreements and Repurchase Agreements (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Resale agreements |  |  |  |  |
Gross resale agreements | $ 885,000 |  | $ 885,000 |  | $ 1,330,000
Average yield | 2.41% | 1.50% | 1.96% | 1.53% |
Loans purchased under agreements to resell | $ 8,000 |  | $ 8,000 |  | 1,020,000
Repurchase agreements |  |  |  |  |
Gross repurchase agreements | $ 611,785 |  | $ 611,785 |  | $ 300,000
Average rate paid | 2.81% | 2.57% | 2.73% | 2.62% |
SecuritiesSoldUnderAgreementsToRepurchaseMaturinginYearCurrent | $ 311,800 |  | $ 311,800 |  |
SecuritiesSoldUnderAgreementsToRepurchaseMaturinginYearOne | $ 300,000 |  | $ 300,000 |  |
Loans Purchased Under Resale Agreements |  |  |  |  |
Resale agreements |  |  |  |  |
Weighted-average yields | 3.87% | 1.48% | 2.10% | 1.57% |

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- Definition Average yield on securities purchased under agreements to resell. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph (b) -Subparagraph (2) Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph (a) + Details
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- Definition Amount, before effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
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- Definition Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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