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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2015
Summary of Significant Accounting Policies [Abstract] |
Schedule of reconciliation of the numerators and denominators used in computing Basic and Diluted Earnings Per Common Share |
| For the Years Ended December 31, |
| 2015 |  | 2014 |  | 2013 |
($ in thousands, except per share amounts) | Income (Numer- ator) |  | Shares (Denom- inator) |  | Per Share Amount |  | Income (Numer- ator) |  | Shares (Denom- inator) |  | Per Share Amount |  | Income (Numer- ator) |  |  | Shares (Denom- inator) |  | Per Share Amount |
Basic EPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders | $ | 26,431 |  |  | 19,767,470 |  | $ | 1.34 |  | $ | 24,128 |  |  | 19,699,801 |  | $ | 1.22 |  | $ | 19,804 |  |  |  | 19,675,597 |  | $ | 1.01 |
Effect of dilutive securities |  | 233 |  |  | 732,257 |  |  |  |  |  | 233 |  |  | 734,206 |  |  |  |  |  | 233 |  |  |  | 728,706 |  |  |  |
Diluted EPS per common share | $ | 26,664 |  |  | 20,499,727 |  | $ | 1.30 |  | $ | 24,361 |  |  | 20,434,007 |  | $ | 1.19 |  | $ | 20,037 |  |  |  | 20,404,303 |  | $ | 0.98 |
Schedule of accumulated other comprehensive income (loss) |
($ in thousands) |  | December 31, 2015 |  | December 31, 2014 |  | December 31, 2013
Unrealized gain (loss) on securities available for sale |  | $ | (1,163) |  |  | (691) |  |  | (2,021)
Deferred tax asset (liability) |  |  | 454 |  |  | 270 |  |  | 789
Net unrealized gain (loss) on securities available for sale |  |  | (709) |  |  | (421) |  |  | (1,232)
Additional pension asset (liability) |  |  | (4,657) |  |  | (257) |  |  | 5,135
Deferred tax asset (liability) |  |  | 1,816 |  |  | 100 |  |  | (2,003)
Net additional pension asset (liability) |  |  | (2,841) |  |  | (157) |  |  | 3,132
Total accumulated other comprehensive income (loss) |  | $ | (3,550) |  |  | (578) |  |  | 1,900
Schedule of changes in accumulated other comprehensive income (loss) |
($ in thousands) |  | Unrealized Gain (Loss) on Securities Available for Sale |  | Additional Pension Asset (Liability) |  | Total
Beginning balance at January 1, 2015 |  | $ | (421) |  |  | (157) |  |  | (578)
Other comprehensive income (loss) before reclassifications |  |  | (289) |  |  | (2,636) |  |  | (2,925)
Amounts reclassified from accumulated other comprehensive income |  |  | 1 |  |  | (48) |  |  | (47)
Net current-period other comprehensive income (loss) |  |  | (288) |  |  | (2,684) |  |  | (2,972)
Ending balance at December 31, 2015 |  | $ | (709) |  |  | (2,841) |  |  | (3,550)
($ in thousands) |  | Unrealized Gain (Loss) on Securities Available for Sale |  | Additional Pension Asset (Liability) |  | Total
Beginning balance at January 1, 2014 |  | $ | (1,232) |  |  | 3,132 |  |  | 1,900
Other comprehensive income (loss) before reclassifications |  |  | 1,290 |  |  | (3,154) |  |  | (1,864)
Amounts reclassified from accumulated other comprehensive income |  |  | (479) |  |  | (135) |  |  | (614)
Net current-period other comprehensive income (loss) |  |  | 811 |  |  | (3,289) |  |  | (2,478)
Ending balance at December 31, 2014 |  | $ | (421) |  |  | (157) |  |  | (578)

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