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Derivative Instruments (Derivative Assets Offset in The Consolidated Balance Sheets) (Details) - Interest Rate Swap $ in Thousands | Sep. 30, 2018 USD ($)
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Customer Counterparties Loan Interest Rate Swap Assets [Member] | Non-hedging interest rate derivatives: |
Offsetting Assets [Line Items] |
Gross amounts of recognized assets | $ 668
Net Amounts of Assets presented in the Statement of Financial Position | 668
Fair Value of collateral | 668
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral | 668
Net Amount | 0
Financial Institution Counterparties Loan Interest Rate Swap Asset [Member] | Non-hedging interest rate derivatives: |
Offsetting Assets [Line Items] |
Gross amounts of recognized assets | 26,389
Net Amounts of Assets presented in the Statement of Financial Position | 26,389
Fair Value of collateral | 0
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral | 0
Net Amount | 26,389
Financial Institution Counterparties Loan Interest Rate Swap Asset [Member] | Derivatives designated as hedges of fair value: |
Offsetting Assets [Line Items] |
Gross amounts of recognized assets | 131
Net Amounts of Assets presented in the Statement of Financial Position | 131
Fair Value of collateral | 66
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral | 66
Net Amount | $ 65

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