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Derivative Instruments (Fair Value Of Derivative Instruments) (Details) - Non-hedging interest rate derivatives: - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
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Customer Counterparties Loan Interest Rate Swap Assets | Other assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | $ 620,392 | $ 377,534
Derivative, Fair Value | 65,882 | 16,094
Customer Counterparties Loan Interest Rate Swap Liabilities | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 2,041 | 189,803
Derivative, Fair Value | 279 | 3,214
Financial Institution Counterparties Loan Interest Rate Swap Asset | Other assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 2,041 | 189,803
Derivative, Fair Value | 279 | 3,214
Financial Institution Counterparties Loan Interest Rate Swap Liabilities | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Notional Amount | 625,038 | 382,566
Derivative, Fair Value | $ 66,100 | $ 16,133

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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