| 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 | 20.2 | 20.5 | 22.1 | 22.9 | 21.8 | 20.8 | 20.5 | 20.5 |
| Interest income on investments | 8.3 | 5.9 | 5.8 | 6.1 | 6.4 | 6.6 | 5.8 | 6.5 |
| | 29.5 | 26.5 | 28.2 | 30.2 | 29.2 | 28.1 | 26.8 | 27.2 |
| Interest expense: |
| Interest on deposits | 2.3 | 2.5 | 3.8 | 4.2 | 3.6 | 3.5 | 3.8 | 4.1 |
| | 2.4 | 2.5 | 3.9 | 4.2 | 3.7 | 3.6 | 4.1 | 4.4 |
| Net interest income | 31.9 | 29.0 | 24.3 | 26.1 | 25.6 | 24.5 | 22.7 | 22.7 |
| Provision for loan losses | 1.0 | -0.6 | 1.1 | -0.3 | | -0.3 | -0.5 | 0.2 |
| Net interest income after provision for loan losses | 30.9 | 29.6 | 23.2 | 26.3 | 25.6 | 24.8 | 23.2 | 22.5 |
| Deposit and loan fees | | | | | | | 0.8 | 0.8 |
| Gain on sale of investments, net | | | | | | | -0.2 | 0.0 |
| Other non-interest income | 6.5 | 4.3 | 5.4 | 5.5 | 3.3 | 3.4 | 2.8 | 3.7 |
| Total non-interest income | 6.5 | 4.3 | 5.4 | 5.5 | 3.3 | 3.4 | 3.4 | 4.5 |
| Non-interest expenses | 19.8 | 19.4 | 19.6 | 19.7 | 17.9 | 16.8 | 15.3 | 16.4 |
| Equity in earnings | | | | | | | | |
| Pre-tax income | 12.8 | 9.4 | 9.1 | 12.1 | 11.0 | 11.5 | 11.3 | 10.7 |
| Income taxes | 2.5 | 1.4 | 1.6 | 2.4 | 2.2 | 3.6 | 3.1 | 2.8 |
| Tax rate | 19.5% | 14.9% | 17.7% | 19.6% | 19.8% | 31.7% | 27.6% | 26.4% |
| Net income | 0.0 | 0.0 | 7.5 | 9.7 | 8.8 | 7.8 | 8.2 | 7.9 |
| Net margin | 0.0% | 0.0% | 26.1% | 30.6% | 30.6% | 27.8% | 30.6% | 29.0% |
| |
| Basic EPS | $0.00 | $0.00 | $2.09 | $2.72 | $2.42 | $2.15 | $2.24 | $2.16 |
| Diluted EPS | $0.00 | $0.00 | $2.09 | $2.72 | $2.42 | $2.15 | $2.24 | $2.16 |
| |
| Shares outstanding (basic) | 3.5 | 3.5 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| Shares outstanding (diluted) | 3.5 | 3.5 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |