| 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 |
| | 8-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 139.1 | 116.6 | 123.2 | 133.9 | 116.9 | 84.3 | 74.2 | 70.9 |
| Interest income on investments | 29.1 | 20.6 | 15.6 | 13.2 | 12.6 | 12.9 | 11.2 | 8.7 |
| | 169.0 | 138.1 | 139.8 | 148.9 | 130.8 | 98.3 | 86.5 | 80.8 |
| Interest expense: |
| Interest on deposits | | 4.5 | 12.7 | 23.4 | 14.5 | 6.8 | 4.9 | 4.0 |
| Interest on borrowings | | 0.2 | 0.5 | 0.7 | 1.0 | 0.9 | 0.8 | 0.8 |
| | 19.4 | 21.3 | 45.6 | 76.8 | 50.5 | 19.1 | 14.6 | 12.5 |
| Net interest income | 149.6 | 129.8 | 123.6 | 122.6 | 113.3 | 89.2 | 79.6 | 75.0 |
| Provision for loan losses | | | 12.5 | 0.8 | 1.5 | 1.2 | -1.3 | -2.7 |
| Net interest income after provision for loan losses | 149.6 | 129.8 | 111.1 | 121.8 | 111.8 | 88.0 | 81.0 | 77.7 |
| Deposit and loan fees | 12.3 | 10.2 | 8.5 | 11.2 | 12.3 | 12.7 | 12.4 | 12.4 |
| Other non-interest income | 49.6 | 66.5 | 72.2 | 36.5 | 32.6 | 29.9 | 29.9 | 27.7 |
| Total non-interest income | 61.9 | 76.6 | 80.7 | 47.7 | 44.8 | 42.5 | 42.3 | 40.1 |
| Non-interest expenses | 128.3 | 131.0 | 122.4 | 111.7 | 107.5 | 92.1 | 90.3 | 88.5 |
| Pre-tax income before non-recurring items | 77.8 | 77.3 | 69.5 | 57.8 | 52.6 | 38.7 | 35.2 | 29.4 |
| Non-recurring items | | | | | 3.5 | 0.3 | 2.3 | |
| Pre-tax income | 77.8 | 77.3 | 69.5 | 57.8 | 49.1 | 38.4 | 32.9 | 29.4 |
| Income taxes | 14.4 | 14.4 | 13.3 | 11.3 | 9.3 | 18.0 | 10.1 | 9.4 |
| Tax rate | 18.6% | 18.6% | 19.2% | 19.6% | 18.9% | 46.7% | 30.8% | 31.9% |
| Net income | 63.4 | 62.9 | 56.2 | 46.4 | 39.8 | 20.5 | 22.8 | 20.0 |
| Net margin | 30.0% | 216.1% | 29.3% | 27.4% | 25.4% | 15.7% | 18.5% | 17.0% |
| |
| Basic EPS | $3.00 | $2.91 | $2.56 | $2.03 | $1.70 | $0.96 | $1.06 | $0.88 |
| Diluted EPS | $2.97 | $2.91 | $2.56 | $2.03 | $1.70 | $0.96 | $1.06 | $0.88 |
| |
| Shares outstanding (basic) | 21.1 | 21.6 | 22.0 | 22.9 | 23.4 | 21.3 | 21.4 | 22.7 |
| Shares outstanding (diluted) | 21.3 | 21.6 | 22.0 | 22.9 | 23.4 | 21.3 | 21.4 | 22.7 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |