| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 144.8 | 158.5 | 170.3 | 158.7 | 117.6 | 106.6 | 96.4 | 70.6 |
| Interest income on investments | 97.3 | 74.0 | 33.9 | 50.3 | 91.4 | 46.4 | 24.1 | 24.7 |
| | 216.0 | 231.8 | 240.8 | 229.2 | 187.5 | 168.9 | 154.5 | 123.8 |
| Interest expense: |
| Interest on deposits | 9.4 | 24.6 | 44.6 | 35.9 | 20.7 | 14.3 | 10.2 | 8.0 |
| | 26.4 | 44.6 | 71.0 | 57.1 | 43.5 | 29.3 | 19.9 | 17.0 |
| Net interest income | 189.6 | 187.3 | 169.8 | 172.1 | 144.0 | 139.6 | 134.7 | 106.8 |
| Provision for loan losses | -17.0 | 20.2 | 5.1 | 8.4 | 4.7 | 9.8 | 8.3 | 14.9 |
| Net interest income after provision for loan losses | 206.5 | 167.1 | 164.7 | 163.6 | 139.3 | 129.8 | 126.3 | 91.9 |
| Deposit and loan fees | | | | | | | 20.1 | 15.3 |
| Gain on sale of investments, net | -0.2 | -0.4 | 0.1 | | | | 3.7 | 2.8 |
| Other non-interest income | 49.5 | 50.2 | 42.3 | 40.8 | 37.5 | 39.4 | 14.1 | 33.6 |
| Total non-interest income | 49.3 | 49.7 | 42.4 | 40.8 | 37.5 | 39.4 | 37.9 | 51.7 |
| Non-interest expenses | 125.0 | 123.3 | 119.3 | 120.1 | 106.3 | 109.5 | 113.0 | 97.7 |
| Pre-tax income before non-recurring items | 130.8 | 93.5 | 87.8 | 86.7 | 74.8 | 59.7 | 56.7 | 15.9 |
| Non-recurring items | | | | 2.4 | 4.4 | | 5.5 | |
| Asset impairment | | | | | | | | -2.8 |
| Pre-tax income | 130.8 | 93.5 | 87.8 | 84.3 | 70.4 | 59.7 | 51.3 | 18.7 |
| Income taxes | 17.4 | 11.3 | 13.2 | 10.2 | 16.1 | 10.3 | 7.3 | -2.2 |
| Tax rate | 13.3% | 12.1% | 15.1% | 12.1% | 22.9% | 17.3% | 14.2% | |
| Net income | 113.4 | 82.2 | 74.6 | 74.1 | 54.3 | 49.3 | 44.0 | 20.8 |
| Net margin | 44.3% | 37.9% | 36.0% | 36.3% | 30.7% | 29.2% | 26.8% | 14.5% |
| |
| Basic EPS | $3.48 | $2.47 | $2.21 | $2.12 | $1.82 | $1.82 | $1.61 | $0.99 |
| Diluted EPS | $3.47 | $2.47 | $2.20 | $2.11 | $1.81 | $1.81 | $1.61 | $0.99 |
| |
| Shares outstanding (basic) | 32.6 | 33.2 | 33.7 | 35.0 | 29.8 | 27.1 | 27.3 | 21.0 |
| Shares outstanding (diluted) | 32.7 | 33.3 | 33.9 | 35.1 | 30.0 | 27.2 | 27.4 | 21.1 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |