| 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 | 243.8 | 219.2 | 231.0 | 249.5 | 211.8 | 166.6 | 139.4 | 124.2 |
| Interest income on investments | 14.4 | 8.5 | 9.9 | 15.5 | 12.4 | 6.7 | | |
| | 261.0 | 227.9 | 241.4 | 267.1 | 226.1 | 174.2 | 144.2 | 127.5 |
| Interest expense: |
| Interest on deposits | 56.5 | 35.6 | 73.3 | 105.1 | 69.1 | 38.8 | 31.6 | 29.2 |
| | 8.3 | 57.5 | 102.8 | 138.7 | 101.0 | 63.3 | 49.5 | 42.6 |
| Net interest income | 8.3 | 170.5 | 138.6 | 128.4 | 125.1 | 110.9 | 193.7 | 170.2 |
| Provision for loan losses | 1.2 | -10.8 | 10.6 | 1.3 | 3.6 | -3.4 | | |
| Net interest income after provision for loan losses | 7.2 | 181.3 | 128.1 | 127.2 | 121.5 | 114.3 | 193.7 | 170.2 |
| Gain on sale of investments, net | | | | | | | 3.9 | 2.9 |
| Other non-interest income | 0.1 | 1.9 | 2.5 | 4.7 | 4.1 | 7.5 | 4.0 | 4.0 |
| Total non-interest income | 0.1 | 1.9 | 2.5 | 4.7 | 4.1 | 7.5 | 7.8 | 6.9 |
| Non-interest expenses | 0.5 | 59.1 | 73.9 | 62.4 | 62.7 | 56.5 | 61.2 | 62.3 |
| Pre-tax income | 20.8 | 124.0 | 56.7 | 69.5 | 62.9 | 65.2 | 53.9 | 36.6 |
| Income taxes | -2.5 | 36.2 | 16.7 | 20.6 | 17.9 | -4.2 | 1.8 | 1.2 |
| Tax rate | | 29.2% | 29.6% | 29.7% | 28.4% | | 3.4% | 3.4% |
| Net income | 80.2 | 87.8 | 39.9 | 48.9 | 45.1 | 69.4 | 52.1 | 35.4 |
| Net margin | 957.8% | 47.9% | 30.6% | 37.1% | 35.9% | 57.0% | 25.9% | 20.0% |
| |
| Basic EPS | | $1.70 | $0.75 | $0.87 | $0.80 | $1.62 | $1.24 | $0.84 |
| Diluted EPS | | $1.70 | $0.75 | $0.87 | $0.79 | $1.62 | $1.24 | $0.84 |
| |
| Shares outstanding (basic) | | 51.6 | 53.0 | 56.0 | 56.2 | 42.9 | 42.0 | 42.0 |
| Shares outstanding (diluted) | | 51.8 | 53.1 | 56.2 | 56.8 | 43.0 | 42.0 | 42.0 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |