| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | | | | | | 34.9 | 32.8 | 31.3 |
| Interest income on investments | 91.9 | 84.1 | 76.8 | 64.2 | 49.9 | 10.7 | 11.1 | 12.8 |
| | 92.6 | 84.5 | 77.2 | 64.8 | 50.3 | 45.9 | 44.1 | 44.5 |
| Interest expense: |
| Interest on deposits | 6.6 | 4.5 | 7.2 | 8.2 | 3.7 | 2.4 | 2.1 | 1.9 |
| Interest on borrowings | | | | | 0.9 | | | |
| | 9.5 | 6.6 | 9.6 | 10.3 | 4.6 | 3.9 | 3.7 | 4.6 |
| Net interest income | 83.1 | 77.9 | 67.6 | 54.5 | 45.7 | 41.9 | 40.4 | 39.9 |
| Provision for loan losses | 7.3 | 3.7 | 3.9 | 0.8 | 0.6 | 0.8 | 1.2 | 0.8 |
| Net interest income after provision for loan losses | 75.9 | 74.3 | 63.7 | 53.6 | 45.1 | 41.1 | 39.2 | 39.1 |
| Deposit and loan fees | | | | | 5.5 | | 4.7 | 4.9 |
| Other non-interest income | 24.4 | 25.9 | 24.5 | 19.3 | 15.1 | 16.4 | 12.0 | 13.5 |
| Total non-interest income | 24.4 | 25.9 | 24.5 | 19.3 | 20.6 | 16.4 | 16.7 | 18.3 |
| Non-interest expenses | 68.0 | 62.5 | 65.0 | 49.5 | 39.5 | 37.0 | 34.7 | 35.6 |
| Pre-tax income before non-recurring items | 32.5 | 37.6 | 30.3 | 27.5 | 26.6 | 20.6 | 21.1 | 21.8 |
| Non-recurring items | 0.1 | -0.1 | 7.1 | 4.1 | 0.3 | | | |
| Pre-tax income | 32.4 | 37.7 | 23.2 | 23.4 | 26.3 | 20.6 | 21.1 | 21.8 |
| Income taxes | 5.7 | 7.1 | 4.0 | 3.9 | 4.3 | 7.2 | 5.3 | 5.3 |
| Tax rate | 17.7% | 18.9% | 17.2% | 16.7% | 16.2% | 34.8% | 25.3% | 24.5% |
| Net income | 26.6 | 30.6 | 19.2 | 19.5 | 22.0 | 13.4 | 15.8 | 16.5 |
| Net margin | 26.5% | 30.5% | 21.8% | 26.7% | 33.5% | 23.3% | 28.2% | 28.7% |
| |
| Basic EPS | $1.72 | $1.94 | $1.30 | $1.47 | $1.79 | $1.11 | $1.31 | $1.36 |
| Diluted EPS | $1.72 | $1.94 | $1.30 | $1.46 | $1.79 | $1.11 | $1.31 | $1.35 |
| |
| Shares outstanding (basic) | 15.5 | 15.8 | 14.7 | 13.3 | 12.3 | 12.1 | 12.0 | 12.1 |
| Shares outstanding (diluted) | 15.5 | 15.8 | 14.7 | 13.3 | 12.3 | 12.2 | 12.1 | 12.2 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |