| 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 | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 72.7 | 65.5 | 65.7 | 65.6 | 59.8 | 49.6 | 44.9 | 41.4 |
| Interest income on investments | 9.5 | 5.0 | 5.2 | 6.4 | 5.2 | 3.9 | 3.1 | 2.5 |
| | 82.7 | 70.6 | 71.1 | 72.5 | 65.2 | 53.6 | 48.0 | 43.9 |
| Interest expense: |
| Interest on deposits | 7.2 | 2.6 | 7.7 | 15.4 | 10.7 | 5.9 | 4.7 | 4.2 |
| | 1.5 | 4.1 | 10.2 | 18.9 | 14.3 | 10.2 | 8.1 | 7.3 |
| Net interest income | 8.5 | 66.4 | 60.9 | 53.5 | 50.9 | 43.4 | 39.9 | 36.5 |
| Provision for loan losses | 2.4 | 0.6 | 10.7 | 2.1 | 1.4 | 1.0 | 2.4 | 1.4 |
| Net interest income after provision for loan losses | 6.1 | 65.8 | 50.2 | 51.4 | 49.5 | 42.4 | 37.5 | 35.1 |
| Deposit and loan fees | | | | | | | 2.7 | 2.5 |
| Gain on sale of investments, net | | | | | | | 0.0 | 0.0 |
| Other non-interest income | 6.4 | 7.9 | 8.4 | 5.8 | 4.1 | 4.0 | 1.1 | 4.2 |
| Total non-interest income | 6.4 | 7.9 | 8.4 | 5.8 | 4.1 | 4.0 | 3.8 | 6.7 |
| Non-interest expenses | 39.4 | 39.2 | 38.0 | 36.2 | 38.1 | 30.1 | 29.6 | 28.4 |
| Pre-tax income before non-recurring items | 5.0 | 35.8 | 20.7 | 20.9 | 19.0 | 17.2 | 11.8 | 10.0 |
| Non-recurring items | | 1.2 | 0.1 | 0.0 | 3.6 | 0.9 | 0.0 | 0.0 |
| Pre-tax income | 5.0 | 34.6 | 20.6 | 20.9 | 15.4 | 16.4 | 11.7 | 10.0 |
| Income taxes | -0.9 | 8.7 | 4.5 | 5.7 | 4.2 | 9.2 | 4.4 | 3.6 |
| Tax rate | | 25.2% | 21.8% | 27.1% | 27.1% | 56.0% | 37.6% | 36.4% |
| Net income | 28.3 | 25.9 | 16.1 | 15.3 | 11.2 | 7.2 | 7.3 | 6.3 |
| Net margin | 331.9% | 35.1% | 27.5% | 26.7% | 21.0% | 15.5% | 17.7% | 15.1% |
| |
| Basic EPS | | $4.47 | $2.74 | $2.75 | $2.02 | $1.56 | $1.59 | $1.35 |
| Diluted EPS | | $4.47 | $2.74 | $2.75 | $2.02 | $1.56 | $1.59 | $1.35 |
| |
| Shares outstanding (basic) | | 5.8 | 5.9 | 5.6 | 5.6 | 4.6 | 4.6 | 4.7 |
| Shares outstanding (diluted) | | 5.8 | 5.9 | 5.6 | 5.6 | 4.6 | 4.6 | 4.7 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |