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Derivative Instruments (Derivative Assets Offset in The Consolidated Balance Sheet) (Details) - Not Designated as Hedging Instrument - Interest Rate Swap $ in Thousands | Dec. 31, 2018 USD ($)
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Customer Counterparties Loan Interest Rate Swap Assets |
Offsetting Assets [Line Items] |
Gross Amounts of Recognized Assets | $ 3,131
Derivative assets | 3,131
Derivative Asset, Fair Value of Collateral | 3,131
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 3,131
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0
Financial Institution Counterparties Loan Interest Rate Swap Asset |
Offsetting Assets [Line Items] |
Gross Amounts of Recognized Assets | 10,771
Derivative assets | 10,771
Derivative Asset, Fair Value of Collateral | 10,771
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 10,771
Derivative Asset, Fair Value, Amount Offset Against Collateral | $ 0

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