| 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 | 42.0 | 40.8 | 40.7 | 39.6 | 35.8 | 31.5 | 28.2 | 26.1 |
| Interest income on investments | 7.1 | 3.8 | 2.2 | 2.6 | 2.6 | 2.2 | 1.9 | 2.0 |
| Interest income on repurchase agreements | 1.1 | 0.2 | 0.2 | 0.6 | 0.3 | 0.3 | 0.1 | 0.1 |
| | 50.4 | 47.5 | 44.3 | 42.9 | 38.7 | 34.1 | 30.3 | 28.3 |
| Interest expense: |
| Interest on deposits | 4.1 | 3.9 | 6.1 | 9.0 | 5.5 | 4.3 | 3.8 | 2.9 |
| | 4.1 | 3.9 | 6.1 | 9.1 | 6.1 | 4.3 | 3.9 | 3.1 |
| Net interest income | 54.5 | 51.4 | 50.5 | 51.9 | 32.6 | 29.8 | 26.4 | 25.1 |
| Provision for loan losses | | | | | 1.1 | 1.1 | 0.8 | 0.5 |
| Net interest income after provision for loan losses | 54.5 | 51.4 | 50.5 | 51.9 | 31.5 | 28.7 | 25.7 | 24.6 |
| Deposit and loan fees | | | | | | | 0.7 | 0.7 |
| Gain on sale of investments, net | | | | | | | 0.4 | 0.2 |
| Other non-interest income | 2.3 | 2.4 | 2.4 | 2.2 | 1.7 | 3.0 | 2.1 | 2.0 |
| Total non-interest income | 2.3 | 2.4 | 2.4 | 2.2 | 1.7 | 3.0 | 3.2 | 2.8 |
| Non-interest expenses | 25.7 | 24.1 | 22.1 | 21.7 | 20.9 | 19.8 | 18.8 | 17.0 |
| Asset impairment | | | | | -0.1 | -0.1 | -0.1 | |
| Pre-tax income | 22.0 | 20.9 | 15.7 | 13.4 | 12.4 | 11.8 | 10.0 | 10.4 |
| Income taxes | 4.3 | 4.1 | 2.9 | 2.5 | 2.3 | 4.5 | 2.9 | 2.9 |
| Tax rate | 19.5% | 19.5% | 18.6% | 18.6% | 18.5% | 38.3% | 28.5% | 28.5% |
| Net income | 17.7 | 16.8 | 12.8 | 10.9 | 10.1 | 7.3 | 7.1 | 7.4 |
| Net margin | 31.2% | 31.2% | 24.2% | 20.1% | 30.3% | 23.1% | 24.8% | 27.1% |
| |
| Basic EPS | $2.34 | $2.23 | $1.70 | $1.44 | $1.35 | $0.98 | $0.96 | $1.01 |
| Diluted EPS | $2.34 | $2.22 | $1.70 | $1.44 | $1.34 | $0.97 | $0.96 | $1.00 |
| |
| Shares outstanding (basic) | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.4 |
| Shares outstanding (diluted) | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |