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Assets and Liabilities Subject to Enforceable Master Netting Arrangements (Schedule of Assets and Liabilities Subject to an Enforceable Master Netting Arrangement or Repurchase Agreements) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Investment security collateral as a percentage of borrowing | 102.00% |
Repurchase Agreements [Member] |  |
Gross Amountsof Recognized(Assets)/Liabilities | $ 52,589 | $ 48,728
Gross Amounts Offset in the Statement of Condition |  |
Net Amounts of(Assets)/Liabilities Presented in theStatement of Condition | 52,589 | 48,728
Gross Amounts Not Offset in the Statment of Condition: Financial Instruments | (52,589) | (48,728)
Gross Amounts Not Offset in the Statment of Condition: Cash Collateral Pledged |  |
Net amount |  |
Interest Rate Swap Agreements [Member] |  |
Gross Amountsof Recognized(Assets)/Liabilities | 1,467 | 133
Gross Amounts Offset in the Statement of Condition |  |
Net Amounts of(Assets)/Liabilities Presented in theStatement of Condition | 1,467 | 133
Gross Amounts Not Offset in the Statment of Condition: Financial Instruments | (1,467) | (133)
Gross Amounts Not Offset in the Statment of Condition: Cash Collateral Pledged | 2,000 |
Net amount |  |

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- Definition Amount, after the 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 not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49176635&loc=d3e9760-107771 Reference 4: 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(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(a)(i)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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