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Securities Purchased under Resale Agreements and Sold under Repurchase Agreements (Repurchase Agreements) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Amount of securities sold under repurchase agreements |  |  |
Gross repurchase agreements | $ 450,000 | $ 450,000 |
Weighted average interest rates (as a percent) | 4.74% | 4.46% | 3.48%
Maturities in 2022 | $ 150,000 |  |
Maturities in 2023 | $ 300,000 |  |

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- Definition Assets Purchased Under Agreements to Repurchase, Interest Rate + References No definition available. + Details
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- Definition Securities Sold Under Agreements To Repurchase Maturing in Year Four + References No definition available. + Details
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- Definition Securities Sold Under Agreements To Repurchase Maturing in Year Three + References No definition available. + Details
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- References No definition available. + 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 50 -Paragraph 3 -Subparagraph (a) -URI http://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 http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
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