| In millions, except per share items | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 18.6 | 17.2 | 16.7 | 16.2 | 15.7 | 16.3 | 17.2 | 16.0 |
| Interest income on investments | 1.1 | 1.1 | 1.3 | 1.3 | 1.3 | 1.1 | 1.2 | 1.3 |
| Interest income on repurchase agreements | | | | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| | 20.2 | 18.6 | 18.1 | 17.7 | 17.1 | 17.5 | 18.5 | 17.5 |
| Interest expense: |
| Interest on deposits | 3.5 | 2.4 | 2.1 | 2.2 | 2.1 | 2.4 | 2.9 | 3.8 |
| Interest on borrowings | 0.8 | 0.5 | 0.3 | 0.2 | 0.3 | 0.4 | 0.4 | 0.3 |
| | 4.5 | 3.0 | 2.5 | 2.6 | 2.7 | 3.0 | 3.5 | 4.2 |
| Net interest income | 15.7 | 15.6 | 15.6 | 15.1 | 14.4 | 14.6 | 15.1 | 13.3 |
| Provision for loan losses | 0.2 | -0.2 | -0.1 | 0.1 | 0.3 | | | |
| Net interest income after provision for loan losses | 15.6 | 15.7 | 15.7 | 14.9 | 14.2 | 14.6 | 15.1 | 13.3 |
| Deposit and loan fees | | | 1.4 | 1.4 | 1.2 | 1.3 | 1.4 | 1.4 |
| Other non-interest income | 3.6 | 3.6 | 2.2 | 1.9 | 1.7 | 1.7 | 1.6 | 1.7 |
| Total non-interest income | 3.6 | 3.6 | 3.6 | 3.3 | 2.9 | 3.0 | 3.0 | 3.1 |
| Non-interest expenses | 13.2 | 12.8 | 13.3 | 13.2 | 12.6 | 12.6 | 12.1 | 11.0 |
| Pre-tax income before non-recurring items | 5.9 | 6.5 | 6.1 | 5.3 | 4.5 | 2.4 | 4.3 | 3.4 |
| Non-recurring items | | 0.0 | 0.1 | 0.3 | | | | |
| Pre-tax income | 5.9 | 6.4 | 6.0 | 5.0 | 4.5 | 2.4 | 4.3 | 3.4 |
| Income taxes | 1.1 | 2.3 | 1.8 | 1.4 | 1.2 | 0.5 | 1.1 | 0.8 |
| Tax rate | 18.9% | 36.5% | 29.9% | 28.2% | 27.7% | 21.9% | 26.6% | 23.6% |
| Net income | 4.8 | 3.9 | 3.7 | 3.1 | 2.7 | 1.1 | 2.3 | 1.7 |
| Net margin | 25.1% | 20.0% | 19.3% | 16.9% | 16.0% | 6.0% | 12.4% | 9.9% |
| |
| Basic EPS | $1.90 | $1.68 | $1.86 | $1.57 | $1.38 | $0.55 | $1.16 | $0.84 |
| Diluted EPS | $1.89 | $1.51 | $1.46 | $1.19 | $1.29 | $0.52 | $1.11 | $0.81 |
| |
| Shares outstanding (basic) | 2.5 | 2.3 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
| Shares outstanding (diluted) | 2.5 | 2.5 | 2.5 | 2.6 | 2.1 | 2.1 | 2.1 | 2.0 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |