| 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 | 39.2 | 39.7 | 37.0 | 35.4 | 32.8 | 26.1 | 23.7 | 23.2 |
| Interest income on investments | 11.3 | 7.7 | 6.5 | 6.6 | 6.5 | 5.9 | 5.7 | 5.3 |
| | 51.1 | 47.5 | 43.8 | 42.6 | 39.7 | 32.2 | 29.5 | 28.6 |
| Interest on deposits | 1.8 | 1.7 | 3.0 | 4.6 | 2.9 | 1.8 | 1.8 | 1.8 |
| Total interest expense | 3.2 | 2.2 | 3.8 | 5.8 | 4.0 | 2.8 | 3.0 | 3.4 |
| Net interest income | 47.9 | 45.3 | 40.0 | 36.8 | 35.7 | 29.4 | 26.5 | 25.3 |
| Provision for loan losses | -0.2 | 0.3 | 3.7 | 0.1 | 0.3 | 0.5 | 0.8 | 1.1 |
| Net interest income after provision for loan losses | 48.1 | 44.9 | 36.4 | 36.7 | 35.4 | 28.9 | 25.7 | 24.1 |
| Deposit and loan fees | | | | | | | | 1.5 |
| Gain on sale of investments, net | | | 0.1 | 0.1 | | | | 0.4 |
| Other non-interest income | 11.6 | 13.9 | 13.7 | 11.6 | 10.6 | 9.6 | 8.9 | 16.3 |
| Total non-interest income | 11.6 | 13.9 | 13.8 | 11.7 | 10.6 | 9.6 | 8.9 | 18.1 |
| Non-interest expenses | 41.3 | 39.2 | 37.5 | 34.6 | 32.1 | 29.4 | 25.8 | 24.7 |
| Pre-tax income before non-recurring items | 18.3 | 19.8 | 12.6 | 13.8 | 13.9 | 9.1 | 8.8 | 8.4 |
| Non-recurring items | -0.1 | 0.1 | | | | | 0.0 | 0.0 |
| Pre-tax income | 18.4 | 19.6 | 12.6 | 13.8 | 13.9 | 9.1 | 8.8 | 8.4 |
| Income taxes | 3.8 | 4.2 | 2.5 | 2.9 | 2.7 | 3.3 | 2.2 | 2.3 |
| Tax rate | 20.6% | 21.3% | 19.8% | 20.7% | 19.3% | 36.4% | 24.5% | 27.1% |
| Net income | 14.6 | 15.5 | 10.1 | 11.0 | 11.2 | 5.8 | 6.7 | 6.1 |
| Net margin | 24.5% | 26.3% | 20.1% | 22.6% | 24.4% | 15.1% | 19.3% | 14.5% |
| |
| Basic EPS | $1.94 | $2.06 | $1.36 | $1.46 | $1.48 | $0.85 | $1.01 | $0.93 |
| Diluted EPS | $1.92 | $2.05 | $1.35 | $1.45 | $1.45 | $0.83 | $0.98 | $0.91 |
| |
| Shares outstanding (basic) | 7.5 | 7.5 | 7.4 | 7.5 | 7.6 | 6.8 | 6.6 | 6.6 |
| Shares outstanding (diluted) | 7.6 | 7.5 | 7.5 | 7.6 | 7.7 | 7.0 | 6.8 | 6.7 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |