| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Interest income: |
| Interest income on loans | 96.5 | 85.4 | 74.4 | 65.0 | 58.4 | 57.1 | 55.8 | 54.6 |
| Interest income on investments | 3.1 | 3.0 | 2.7 | 1.9 | 1.1 | 0.5 | | |
| | 104.6 | 91.2 | 78.7 | 67.9 | 60.3 | 58.0 | 56.3 | 55.0 |
| Interest on deposits | 24.6 | 16.0 | 9.3 | 4.9 | 3.0 | 2.9 | 3.1 | 3.5 |
| Total interest expense | 24.6 | 16.0 | 9.3 | 4.9 | 3.0 | 2.9 | 3.1 | 3.5 |
| Net interest income | 110.6 | 88.5 | 69.4 | 66.8 | 57.2 | 54.8 | 53.2 | 56.2 |
| Provision for loan losses | 1.0 | | | | 0.2 | | | |
| Net interest income after provision for loan losses | 109.6 | 88.3 | 69.2 | 66.5 | 56.9 | 54.8 | 53.2 | 56.2 |
| Other non-interest income | 3.0 | 2.9 | 2.9 | 3.0 | 2.7 | 2.6 | 2.3 | 2.1 |
| Total non-interest income | 3.0 | 2.9 | 2.9 | 3.0 | 2.7 | 2.6 | 2.3 | 2.2 |
| Non-interest expenses | 30.3 | 29.9 | 28.6 | 26.7 | 24.4 | 22.3 | 20.4 | 18.7 |
| Pre-tax income | 47.2 | 43.6 | 39.3 | 35.6 | 33.5 | 32.3 | 30.9 | 29.5 |
| Income taxes | 11.4 | 10.6 | 9.6 | 8.6 | 8.3 | 8.0 | 7.8 | 7.3 |
| Tax rate | 24.2% | 24.2% | 24.5% | 24.3% | 24.9% | 24.9% | 25.1% | 24.8% |
| Net income | 29.6 | 29.6 | 29.6 | 23.2 | 23.2 | 23.2 | 23.2 | 4.7 |
| Net margin | 26.3% | 32.5% | 41.1% | 33.3% | 38.8% | 40.3% | 41.7% | 8.1% |
| |
| Basic EPS | $3.25 | $3.25 | $3.26 | $2.55 | $2.55 | $2.56 | $2.56 | $0.52 |
| Diluted EPS | $3.21 | $3.22 | $3.22 | $2.53 | $2.53 | $2.54 | $2.55 | $0.52 |
| |
| Shares outstanding (basic) | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 |
| Shares outstanding (diluted) | 9.2 | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.2 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |