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Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Apr. 22, 2014 | Apr. 26, 2006
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options, Granted | 34,750 | 24,000 | 21,750 |  |  |  |
Stock Issued During Period, Value, Restricted Stock Award, Gross | $ 143 | $ 89 | $ 55 |  |  |  |
Share price | $ 33.00 | $ 22.09 | $ 19.17 |  |  |  |
Proceeds from Stock Options Exercised | $ 1,040 | $ 843 | $ 441 |  |  |  |
Stock Issued During Period Shares Stock Options Exercised | 44,219 | 46,235 | 25,289 |  |  |  |
Allocated Share-based Compensation Expense | $ 93 | $ 71 | $ 66 |  |  |  |
Future compensation expense of non-vested restricted stock outstanding | 744 | 579 |  |  |  |  |
Compensation expense related to restricted stock | 142 | 89 | 55 |  |  |  |
Unrecognized Salaries And Employee Benefits Expense | $ 237 | 93 | 71 |  |  |  |
Common Stock, Dividend Rate, Percentage | 50.00% |  |  |  |  |  |
Net Income Reduction | $ 187 | $ 130 | $ 92 |  |  |  |
Minimum [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share price | $ 16.65 |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share price | $ 32.81 |  |  |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Restricted stock, granted | 9,400 | 12,675 |  |  |  |  |
Non-vested stock outstanding | 30,415 | 28,035 | 20,715 |  |  |  |
Allocated Share-based Compensation Expense | $ 143 | $ 89 | $ 55 |  |  |  |
Norwood Financial Corp 2006 Stock Option Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  | 412,500
Options, Granted |  | 0 | 11,135 | 18,750 | 42,900 |  |
Norwood Financial Corp 2006 Stock Option Plan [Member] | Outside Directors [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  | 66,000
Options, Granted |  |  |  |  | 6,000 |  |
Shares available for awards | 0 |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  | 375,000 |
Options and restricted stock, granted | 44,150 | 36,675 | 20,591 | 13,950 |  |  |
Shares available for awards | 2,596,535 |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Employee Stock Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options, Granted |  | 24,000 | 10,616 |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Restricted Stock [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  | 63,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Officer [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares available for awards | 219,510 |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Officer [Member] | Employee Stock Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options, Granted | 26,750 |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Officer [Member] | Restricted Stock [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Restricted stock, granted | 9,000 | 9,000 | 6,375 |  |  |  |
Shares available for awards | 28,875 |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Outside Directors [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  | 60,000 |
Shares available for awards | 40,125 |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Outside Directors [Member] | Employee Stock Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options, Granted | 8,000 |  |  |  |  |  |
Norwood Financial Corp 2014 Equity Incentive Plan [Member] | Outside Directors [Member] | Restricted Stock [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  | 12,000 |
Restricted stock, granted | 400 | 3,675 | 3,600 | 4,200 |  |  |
Shares available for awards | 125 |  |  |  |  |  |

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