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Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Deferred tax assets: |  |
Allowance for loan and lease losses | $ 997 | $ 1,575
Compensation related issues | 274 | 353
Deferred loan fees | 100 | 155
ATM Credit |  | 50
Nonaccrual interest | 45 | 41
Net operating loss carryforward | 501 | 863
Other | 42 | 70
Gross deferred tax assets | 1,959 | 3,107
Deferred tax liabilities: |  |
FHLB stock dividend | 226 | 366
Mortgage servicing rights | 1 | 2
Depreciation | 36 | 47
Prepaid expenses | 51 | 63
Mark-to-market loans |  | 2
Deferred tax liabilities | 314 | 480
Net deferred tax asset | $ 1,645 | $ 2,627

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