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Fair Value (Assets And Liabilities Measured At Fair Value On A Recurring Basis, Including Financial Assets And Liabilities) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Financial Assets: |  |
Total securities available for sale | $ 9,144 | $ 10,114
Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: |  |
Total securities available for sale | 9,144 | 10,114
Yield maintenance provisions (embedded derivatives) | 5 | 17
Interest rate lock commitments | 1,325 | 721
Financial Liabilities: |  |
Interest-rate swaps | 5 | 17
TBA Mortgage-back securities | 379 | 342
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: |  |
Total securities available for sale | 9,144 | 10,114
Loans held for sale | 27,920 | 17,385
Fair Value, Measurements, Recurring [Member] | U.S. Treasury [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: |  |
Total securities available for sale | 8,927 | 9,881
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities - Residential [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: |  |
Total securities available for sale | 161 | 170
Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: |  |
Total securities available for sale | 56 | 63
Fair Value, Measurements, Recurring [Member] | Yield maintenance provisions (embedded derivatives) [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: |  |
Yield maintenance provisions (embedded derivatives) | 5 | 17
Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Assets: |  |
Interest rate lock commitments | 1,325 | 721
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Liabilities: |  |
Interest-rate swaps | 5 | 17
Fair Value, Measurements, Recurring [Member] | TBA Mortgage-Back Security [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Financial Liabilities: |  |
TBA Mortgage-back securities | $ 379 | $ 342

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