| 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 | 146.3 | 128.0 | 137.2 | 124.8 | 100.5 | 91.1 | 86.1 | 84.0 |
| Interest income on investments | 31.0 | 21.9 | 20.9 | 22.9 | 24.4 | 21.7 | 21.8 | 23.0 |
| | 183.3 | 152.2 | 160.5 | 149.1 | 126.2 | 114.2 | 109.4 | 108.7 |
| Interest expense: |
| Interest on deposits | 16.7 | 8.2 | 12.8 | 15.7 | 9.0 | 6.0 | 4.2 | 3.9 |
| | 18.3 | 8.8 | 14.1 | 17.5 | 9.6 | 6.3 | 4.4 | 4.2 |
| Net interest income | 165.0 | 143.4 | 146.3 | 131.7 | 116.6 | 107.9 | 105.0 | 104.5 |
| Provision for loan losses | -2.0 | 2.5 | 10.5 | 4.7 | 5.8 | 5.3 | 3.3 | 4.7 |
| Net interest income after provision for loan losses | 167.1 | 140.9 | 135.8 | 127.0 | 110.8 | 102.6 | 101.7 | 99.8 |
| Deposit and loan fees | 27.5 | 24.7 | 21.8 | 11.8 | 11.7 | 11.9 | 10.5 | 10.1 |
| Gain on sale of investments, net | | | | | | | | 0.0 |
| Other non-interest income | 19.2 | 17.4 | 20.7 | 26.7 | 26.5 | 24.0 | 36.4 | 29.0 |
| Total non-interest income | 46.7 | 42.1 | 42.5 | 38.5 | 38.2 | 35.9 | 46.9 | 39.2 |
| Non-interest expenses | 126.0 | 117.4 | 112.8 | 104.4 | 91.3 | 88.7 | 90.3 | 98.4 |
| Pre-tax income | 87.8 | 65.6 | 65.5 | 61.0 | 57.7 | 49.8 | 58.3 | 40.6 |
| Income taxes | 16.7 | 12.6 | 11.7 | 12.1 | 11.1 | 20.6 | 19.9 | 10.4 |
| Tax rate | 19.0% | 19.2% | 17.8% | 19.9% | 19.3% | 41.4% | 34.1% | 25.6% |
| Net income | 71.1 | 53.0 | 53.8 | 48.9 | 46.6 | 29.1 | 38.4 | 30.2 |
| Net margin | 33.3% | 29.0% | 30.2% | 29.5% | 31.3% | 21.0% | 25.8% | 21.7% |
| |
| Basic EPS | $5.82 | $4.02 | $3.93 | $3.80 | $3.80 | $2.38 | $3.12 | $2.35 |
| Diluted EPS | $5.82 | $4.02 | $3.93 | $3.80 | $3.80 | $2.38 | $3.12 | $2.35 |
| |
| Shares outstanding (basic) | 12.2 | 13.2 | 13.7 | 12.9 | 12.3 | 12.2 | 12.3 | 12.8 |
| Shares outstanding (diluted) | 12.2 | 13.2 | 13.7 | 12.9 | 12.3 | 12.2 | 12.3 | 12.8 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |