| 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 | | 217.4 | 241.0 | 260.1 | 237.6 | 205.6 | 164.2 | 134.0 |
| Interest income on investments | | 7.5 | 9.8 | 13.5 | 11.8 | 9.4 | 7.9 | 7.0 |
| | 244.2 | 226.3 | 252.3 | 280.9 | 256.2 | 218.8 | 174.0 | 142.4 |
| Interest expense: |
| Interest on deposits | | 5.0 | 15.1 | 29.1 | 17.0 | 9.8 | 6.1 | 4.4 |
| Interest on borrowings | | 0.1 | 3.5 | 12.8 | 10.5 | 8.9 | 10.9 | 11.9 |
| | 7.5 | 5.7 | 19.9 | 44.8 | 30.1 | 20.3 | 17.9 | 18.5 |
| Net interest income | 236.7 | 220.6 | 232.3 | 236.1 | 226.1 | 198.5 | 156.1 | 124.0 |
| Provision for loan losses | | 14.8 | 31.3 | 25.8 | 31.4 | 27.7 | 14.5 | 5.4 |
| Net interest income after provision for loan losses | 236.7 | 205.8 | 201.0 | 210.4 | 194.7 | 170.8 | 141.6 | 118.6 |
| Deposit and loan fees | 13.4 | | | | | 13.4 | 13.2 | 13.0 |
| Credit and debit card fees | | | | | | | | 8.4 |
| Gain on sale of investments, net | | | | | | | | 0.1 |
| Other non-interest income | | 86.9 | 87.1 | 75.0 | 63.4 | 45.1 | 44.3 | 26.5 |
| Total non-interest income | 13.4 | 86.9 | 87.1 | 75.0 | 63.4 | 58.4 | 57.5 | 48.0 |
| Non-interest expenses | 187.3 | 182.3 | 185.5 | 172.2 | 163.9 | 150.8 | 130.1 | 113.3 |
| Pre-tax income before non-recurring items | 134.8 | 110.3 | 102.6 | 121.0 | 94.3 | 79.6 | 69.2 | 53.2 |
| Non-recurring items | 18.0 | | | 7.8 | | 1.2 | 0.2 | |
| Pre-tax income | 116.8 | 110.3 | 102.6 | 113.2 | 94.3 | 78.4 | 69.0 | 53.2 |
| Income taxes | 25.7 | 23.6 | 19.4 | 21.5 | 16.4 | 32.8 | 23.1 | 18.1 |
| Tax rate | 22.0% | 21.3% | 18.9% | 19.0% | 17.4% | 41.8% | 33.4% | 34.0% |
| Net income | 91.1 | 86.8 | 83.2 | 91.7 | 77.9 | 45.6 | 45.9 | 35.2 |
| Net margin | 36.4% | 29.7% | 28.9% | 32.1% | 30.2% | 19.9% | 23.1% | 21.1% |
| |
| Basic EPS | | $4.20 | $3.96 | $4.36 | $3.71 | $2.18 | $2.19 | $1.69 |
| Diluted EPS | | $4.18 | $3.95 | $4.34 | $3.70 | $2.17 | $2.19 | $1.68 |
| |
| Shares outstanding (basic) | | 20.7 | 21.0 | 21.0 | 21.0 | 20.9 | 20.9 | 20.9 |
| Shares outstanding (diluted) | | 20.8 | 21.1 | 21.1 | 21.1 | 21.0 | 21.0 | 20.9 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |