| 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 | 46.7 | 45.1 | 42.9 | 43.9 | 40.9 | 36.2 | 31.1 | 29.1 |
| Interest income on investments | 2.5 | 1.0 | 0.9 | 1.8 | 1.8 | 1.2 | 1.1 | 1.1 |
| | 49.1 | 46.1 | 43.9 | 45.7 | 42.6 | 37.4 | 32.2 | 30.2 |
| Interest expense: |
| Interest on deposits | 2.5 | 2.8 | 5.5 | 10.1 | 7.7 | 4.3 | 2.9 | 2.4 |
| Interest on borrowings | 0.8 | 0.9 | 1.8 | 1.2 | 1.0 | 0.3 | 0.0 | 0.1 |
| | 3.3 | 3.7 | 7.3 | 24.0 | 19.0 | 9.8 | 6.3 | 5.1 |
| Net interest income | 45.8 | 42.4 | 36.6 | 34.4 | 33.6 | 32.7 | 29.1 | 27.7 |
| Provision for loan losses | | | | | 0.0 | 0.4 | 0.0 | -2.3 |
| Net interest income after provision for loan losses | 45.8 | 42.4 | 36.6 | 34.4 | 33.6 | 32.3 | 29.1 | 30.0 |
| Deposit and loan fees | 0.4 | 0.3 | 0.4 | 0.6 | 0.5 | 0.5 | 0.4 | 0.4 |
| Other non-interest income | 3.5 | 3.5 | 3.6 | 3.0 | 2.2 | 2.3 | 1.9 | 1.9 |
| Total non-interest income | 4.0 | 3.8 | 3.9 | 3.6 | 2.6 | 2.8 | 2.3 | 2.3 |
| Non-interest expenses | 31.3 | 28.0 | 27.5 | 26.8 | 26.0 | 24.5 | 22.5 | 27.3 |
| Pre-tax income | 18.7 | 18.3 | 11.8 | 11.4 | 10.2 | 10.5 | 8.8 | 5.0 |
| Income taxes | 5.3 | 5.2 | 3.5 | 3.4 | 2.8 | 5.5 | 3.6 | 2.1 |
| Tax rate | 28.1% | 28.5% | 29.9% | 30.0% | 27.5% | 53.0% | 40.9% | 42.7% |
| Net income | 13.4 | 13.1 | 8.2 | 8.0 | 7.4 | 4.9 | 5.2 | 2.6 |
| Net margin | 1576.7% | 1842.6% | 1812.1% | 1195.6% | 20.4% | 14.0% | 16.7% | 7.9% |
| |
| Basic EPS | $1.54 | $1.53 | $0.97 | $0.94 | $0.89 | $0.60 | $0.64 | $0.31 |
| Diluted EPS | $1.51 | $1.50 | $0.97 | $0.93 | $0.88 | $0.57 | $0.62 | $0.30 |
| |
| Shares outstanding (basic) | 8.7 | 8.6 | 8.5 | 8.5 | 8.3 | 8.1 | 8.1 | 8.2 |
| Shares outstanding (diluted) | 8.9 | 8.7 | 8.5 | 8.6 | 8.5 | 8.6 | 8.4 | 8.5 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |