| 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 investments | 8.1 | 5.3 | 4.2 | 6.1 | 7.0 | 7.6 | 7.7 | 11.5 |
| | 85.9 | 79.8 | 82.9 | 82.1 | 79.0 | 74.0 | 48.6 | 42.5 |
| Interest expense: |
| Interest on deposits | 5.4 | 5.5 | 13.5 | 17.2 | 11.7 | 8.4 | 6.6 | 5.6 |
| | 18.7 | 18.1 | 50.4 | 65.5 | 49.6 | 14.6 | 11.3 | 10.8 |
| Net interest income | 79.2 | 73.2 | 64.4 | 58.0 | 60.0 | 59.4 | 37.3 | 31.7 |
| Provision for loan losses | 0.7 | -0.9 | 7.8 | 2.7 | 1.9 | 1.4 | 0.6 | 1.3 |
| Net interest income after provision for loan losses | 78.5 | 74.1 | 56.7 | 55.3 | 58.1 | 58.0 | 36.7 | 30.4 |
| Deposit and loan fees | 9.1 | 8.4 | 7.1 | 7.4 | 6.9 | 6.4 | 4.2 | |
| Gain on sale of investments, net | | | | | -0.3 | 0.1 | | |
| Other non-interest income | 4.3 | 4.2 | 2.2 | 2.3 | 2.6 | 2.1 | 1.8 | 4.9 |
| Total non-interest income | 13.3 | 12.6 | 9.3 | 9.7 | 9.2 | 8.5 | 6.0 | 4.9 |
| Non-interest expenses | 57.2 | 54.9 | 51.8 | 47.8 | 46.2 | 44.8 | 35.3 | 27.4 |
| Pre-tax income before non-recurring items | 37.4 | 31.7 | 14.2 | 17.2 | 21.1 | 22.3 | 11.5 | 7.8 |
| Non-recurring items | 2.8 | | | | | 0.5 | 4.1 | |
| Pre-tax income | 34.6 | 31.7 | 14.2 | 17.2 | 21.1 | 21.7 | 7.4 | 7.8 |
| Income taxes | 8.7 | 8.0 | 2.9 | 3.9 | 4.7 | 9.4 | 2.6 | 2.1 |
| Tax rate | 25.2% | 25.3% | 20.8% | 22.4% | 22.3% | 43.4% | 34.7% | 27.1% |
| Net income | 25.9 | 23.7 | 11.2 | 13.3 | 16.4 | 12.3 | 4.8 | 5.7 |
| Net margin | 28.2% | 27.3% | 17.0% | 20.5% | 24.4% | 18.5% | 11.3% | 16.2% |
| |
| Basic EPS | $1.18 | $1.02 | $0.45 | $0.51 | $0.57 | $0.41 | $0.25 | $0.33 |
| Diluted EPS | $1.18 | $1.02 | $0.45 | $0.51 | $0.57 | $0.41 | $0.24 | $0.33 |
| |
| Shares outstanding (basic) | 21.9 | 23.2 | 25.0 | 26.2 | 28.9 | 29.9 | 19.7 | 17.5 |
| Shares outstanding (diluted) | 21.9 | 23.3 | 25.1 | 26.3 | 29.0 | 30.0 | 19.8 | 17.5 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |