| 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 | 104.6 | 102.8 | 110.4 | 88.8 | 91.7 | 89.7 | 87.7 | 87.6 |
| Interest income on investments | 6.0 | 1.7 | 2.8 | 3.7 | 5.1 | 4.6 | 6.9 | 8.2 |
| | 114.3 | 105.3 | 114.0 | 95.0 | 98.3 | 95.3 | 94.7 | 96.1 |
| Interest expense: |
| Interest on deposits | 1.7 | 2.8 | 5.5 | 5.4 | 5.1 | 5.0 | 4.5 | 5.9 |
| | 1.7 | 2.8 | 5.5 | 5.5 | 7.4 | 8.1 | 9.8 | 11.3 |
| Net interest income | 112.7 | 102.5 | 108.6 | 89.5 | 90.8 | 87.2 | 84.9 | 84.8 |
| Provision for loan losses | | | | | 2.4 | 2.8 | 1.3 | 2.2 |
| Net interest income after provision for loan losses | 112.7 | 102.5 | 108.6 | 89.5 | 88.5 | 84.4 | 83.6 | 82.6 |
| Deposit and loan fees | | | | | | | | 13.7 |
| Gain on sale of investments, net | | | | | | | -4.6 | 0.1 |
| Other non-interest income | 37.2 | 34.3 | 29.8 | 33.7 | 26.4 | 24.6 | 30.2 | 15.7 |
| Total non-interest income | 37.2 | 34.3 | 29.8 | 33.7 | 26.4 | 24.6 | 25.5 | 29.5 |
| Non-interest expenses | 83.1 | 78.7 | 79.6 | 69.8 | 69.8 | 66.9 | 71.2 | 76.2 |
| Pre-tax income before non-recurring items | 62.4 | 66.5 | 48.0 | 58.9 | 46.6 | 42.1 | 37.9 | 35.9 |
| Non-recurring items | 2.3 | | 1.9 | 9.1 | | | | |
| Asset impairment | | | | | 1.5 | | | |
| Pre-tax income | 60.2 | 66.5 | 46.1 | 49.8 | 45.1 | 42.1 | 37.9 | 35.9 |
| Income taxes | 13.5 | 15.4 | 10.2 | 11.0 | 8.8 | 20.6 | 12.8 | 11.4 |
| Tax rate | 22.4% | 23.1% | 22.1% | 22.1% | 19.5% | 49.0% | 33.8% | 31.7% |
| Net income | 46.7 | 51.2 | 35.9 | 38.8 | 36.3 | 21.5 | 25.1 | 24.4 |
| Net margin | 29.6% | 35.8% | 24.9% | 30.4% | 31.6% | 19.7% | 23.0% | 21.8% |
| |
| Basic EPS | $2.82 | $2.95 | $2.02 | $2.47 | $2.19 | $1.26 | $1.45 | $1.32 |
| Diluted EPS | $2.82 | $2.94 | $2.02 | $2.46 | $2.18 | $1.26 | $1.45 | $1.30 |
| |
| Shares outstanding (basic) | 16.5 | 17.3 | 17.8 | 15.7 | 16.6 | 17.0 | 17.3 | 18.5 |
| Shares outstanding (diluted) | 16.6 | 17.4 | 17.8 | 15.8 | 16.7 | 17.1 | 17.4 | 18.7 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |