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 ($)
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

Fair value of securities received as collateral against derivative assets.

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