| In millions, except per share items | Dec-31-22 | Dec-05-22 | Dec-31-21 | Dec-05-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 |
| | 10-K | 8-K | 10-K | 8-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 104.5 | | 92.5 | | 93.3 | 91.0 | 77.2 | 61.0 |
| Interest income on investments | 16.6 | | 9.0 | | 8.8 | 9.7 | 10.1 | 9.5 |
| | 123.2 | 123.2 | 102.6 | 102.6 | 103.0 | 102.6 | 88.5 | 71.8 |
| Interest expense: |
| Interest on deposits | 9.8 | | 5.7 | | 11.6 | 21.6 | 16.9 | 10.6 |
| | 15.4 | 15.4 | 7.0 | 7.0 | 13.1 | 23.7 | 19.5 | 12.2 |
| Net interest income | 107.8 | 107.8 | 95.6 | 95.6 | 90.0 | 78.9 | 68.9 | 59.6 |
| Provision for loan losses | 2.2 | 2.2 | -1.7 | -1.7 | 13.2 | 1.3 | 2.3 | 2.9 |
| Net interest income after provision for loan losses | 105.7 | 105.7 | 97.3 | 97.3 | 76.8 | 77.6 | 66.7 | 56.8 |
| Deposit and loan fees | 4.3 | | 3.8 | | 3.1 | 3.7 | 3.6 | 3.7 |
| Other non-interest income | 19.2 | 23.5 | 20.8 | 24.6 | 20.0 | 13.2 | 27.6 | 25.1 |
| Total non-interest income | 23.5 | 23.5 | 24.6 | 24.6 | 23.0 | 17.0 | 31.2 | 28.9 |
| Non-interest expenses | 79.9 | | 73.3 | | 66.5 | 62.5 | 56.8 | 48.4 |
| Pre-tax income | 49.3 | 49.3 | 48.6 | 48.6 | 33.3 | 32.1 | 25.2 | 22.7 |
| Income taxes | 8.8 | 8.8 | 8.8 | 8.8 | 5.9 | 5.8 | 4.6 | 8.2 |
| Tax rate | 17.9% | 17.9% | 18.0% | 18.0% | 17.7% | 18.0% | 18.3% | 36.3% |
| Minority interest | 0.0 | 0.0 | | | | | | |
| Net income | 40.4 | 40.4 | 39.8 | 39.8 | 27.4 | 26.3 | 20.6 | 14.4 |
| Net margin | 31.3% | 31.3% | 32.7% | 32.7% | 27.5% | 27.8% | 21.0% | 16.9% |
| |
| Basic EPS | $3.38 | $3.38 | $3.30 | $3.30 | $2.24 | $2.05 | $1.78 | $1.41 |
| Diluted EPS | $3.34 | $3.34 | $3.26 | $3.26 | $2.24 | $2.04 | $1.77 | $1.40 |
| |
| Shares outstanding (basic) | 12.0 | 12.0 | 12.1 | 12.1 | 12.2 | 12.8 | 11.6 | 10.2 |
| Shares outstanding (diluted) | 12.1 | 12.1 | 12.2 | 12.2 | 12.3 | 12.9 | 11.7 | 10.3 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |