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Fair Value Measurements (Assets Measured At Fair Value On A Recurring And Non-Recurring Basis) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2018
--- | --- | --- | ---
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | $ 427,545 | $ 445,677 |
Collateral Dependent Impaired Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,894 |  |
Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,030 |  |
Other Real Estate Owned [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 41 |  |
Measured On A Recurring Basis [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 427,788 | 446,308 |
Liabilities at fair value | (227) | (171) |
Measured On A Recurring Basis [Member] | Derivative Instruments [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | 3,587 | 2,006 |
Measured On A Recurring Basis [Member] | Derivative Instruments [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | 30 | 24 |
Measured On A Recurring Basis [Member] | Derivative Instruments [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | 23 | 27 |
Measured On A Recurring Basis [Member] | U.S. Government Agency And Government Sponsored Enterprises [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 144,376 | 152,028 |
Measured On A Recurring Basis [Member] | Mortgage-Backed Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 283,169 | 293,649 |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Cash Flow Hedging [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 243 | 631 |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 3,261 | 1,803 |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 20 |  |
Measured On A Recurring Basis [Member] | Derivative Instruments, Assets [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 132 | 83 |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Derivative Instruments [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Derivative Instruments [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Derivative Instruments [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | U.S. Government Agency And Government Sponsored Enterprises [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Mortgage-Backed Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Derivative Instruments, Assets [Member] | Cash Flow Hedging [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Derivative Instruments, Assets [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Derivative Instruments, Assets [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 1 Inputs [Member] | Derivative Instruments, Assets [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 427,788 | 446,308 |
Liabilities at fair value | (227) | (171) |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | 3,587 | 2,006 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | 30 | 24 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value | 23 | 27 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | U.S. Government Agency And Government Sponsored Enterprises [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 144,376 | 152,028 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Mortgage-Backed Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale | 283,169 | 293,649 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Cash Flow Hedging [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 243 | 631 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 3,261 | 1,803 |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 20 |  |
Measured On A Recurring Basis [Member] | Level 2 Inputs [Member] | Derivative Instruments, Assets [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 132 | 83 |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Derivative Instruments [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Derivative Instruments [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Derivative Instruments [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Liabilities at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | U.S. Government Agency And Government Sponsored Enterprises [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Mortgage-Backed Securities [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Securities available for sale |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Derivative Instruments, Assets [Member] | Cash Flow Hedging [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Derivative Instruments, Assets [Member] | Interest Rate Products [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Derivative Instruments, Assets [Member] | Credit Contract [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Recurring Basis [Member] | Level 3 Inputs [Member] | Derivative Instruments, Assets [Member] | Mortgage Banking [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 5,034 | 6,992 |
Liabilities at fair value | 0 |  | $ 0
Measured On A Nonrecurring Basis [Member] | Loans Held For Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 2,069 | 2,868 |
Measured On A Nonrecurring Basis [Member] | Collateral Dependent Impaired Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,894 | 2,872 |
Measured On A Nonrecurring Basis [Member] | Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,030 | 1,022 |
Measured On A Nonrecurring Basis [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 41 | 230 |
Measured On A Nonrecurring Basis [Member] | Level 1 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 1 Inputs [Member] | Loans Held For Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 1 Inputs [Member] | Collateral Dependent Impaired Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 1 Inputs [Member] | Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 1 Inputs [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 2,069 | 2,868 |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] | Loans Held For Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 2,069 | 2,868 |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] | Collateral Dependent Impaired Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] | Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 2 Inputs [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 2,965 | 4,124 |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] | Loans Held For Sale [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value |  |  |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] | Collateral Dependent Impaired Loans [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,894 | 2,872 |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] | Loan Servicing Rights [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | 1,030 | 1,022 |
Measured On A Nonrecurring Basis [Member] | Level 3 Inputs [Member] | Other Real Estate Owned [Member] |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |
Assets at fair value | $ 41 | $ 230 |

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