| In millions, except per share items | Mar-31-23 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Interest income: | | | | | | | | |
| Loans | 15.7 | 13.4 | 11.8 | 11.2 | 12.0 | 12.1 | 11.8 | 11.6 |
| Investment securities - taxable | 0.7 | 0.7 | 0.6 | 0.4 | 0.3 | 0.3 | 0.3 | 0.2 |
| Mortgage-backed securities | 1.4 | 1.5 | 1.4 | 1.3 | 1.2 | 1.1 | 1.2 | 1.0 |
| Investment securities - tax exempt | 3.8 | 3.1 | 2.8 | 2.4 | 2.3 | 2.1 | 2.0 | 2.0 |
| Interest-bearing deposits and federal funds sold | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Total interest income | 21.9 | 18.6 | 16.7 | 15.3 | 15.8 | 15.6 | 15.3 | 14.8 |
| |
| Interest expense: | | | | | | | | |
| Interest on deposits | 5.6 | 2.0 | 1.0 | 0.7 | 0.8 | 0.8 | 0.8 | 1.0 |
| Interest on borrowings | 1.1 | 0.8 | 0.6 | 0.5 | 0.5 | 0.4 | 0.3 | 0.3 |
| Total interest expense | 6.7 | 2.8 | 1.6 | 1.2 | 1.4 | 1.2 | 1.1 | 1.2 |
| Net interest income | 15.2 | 15.8 | 15.1 | 14.1 | 14.5 | 14.4 | 14.2 | 13.6 |
| |
| Provision for loan losses | | | | | | | | |
| Net interest income after provision for loan losses | 16.2 | 16.3 | 14.2 | 13.9 | 13.2 | 13.4 | 14.1 | 12.1 |
| |
| Noninterest income: | | | | | | | | |
| Service charges on deposit accounts | 1.1 | 1.2 | 1.2 | 1.1 | 1.2 | 1.1 | 0.9 | 0.8 |
| Debit card fees | 1.1 | 1.1 | 1.2 | 1.0 | 1.1 | 1.1 | 1.1 | 1.0 |
| Investment services | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 |
| E-commerce fees | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Bank-owned life insurance | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 |
| Other operating income | 0.3 | 0.2 | 0.1 | 0.3 | 0.4 | 0.2 | 0.4 | 0.2 |
| Total noninterest income | 3.1 | 3.1 | 3.1 | 2.9 | 3.2 | 2.9 | 2.8 | 2.4 |
| |
| Noninterest expense: | | | | | | | | |
| Salaries and employee benefits | 6.2 | 5.4 | 5.6 | 5.3 | 5.0 | 4.7 | 5.2 | 4.8 |
| Occupancy expense | 0.6 | 0.5 | 0.7 | 0.5 | 0.6 | 0.5 | 0.6 | 0.6 |
| Equipment and furniture expense | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Service and data processing fees | 0.7 | 0.7 | 0.7 | 0.6 | 0.7 | 0.6 | 0.7 | 0.7 |
| Computer software, supplies and support | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Advertising and promotion | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 |
| FDIC insurance premiums | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Legal and professional fees | 0.5 | 0.5 | 0.3 | 0.3 | 0.4 | 0.4 | 0.2 | 0.4 |
| Other | 1.0 | 0.8 | 1.2 | 0.6 | 0.7 | 0.8 | 0.6 | 1.1 |
| Total noninterest expense | 9.9 | 8.8 | 9.3 | 8.3 | 8.3 | 8.0 | 8.2 | 8.4 |
| Income before provision for income taxes | 9.4 | 10.6 | 7.9 | 8.5 | 8.1 | 8.4 | 8.8 | 6.1 |
| Provision for income taxes | 1.3 | 1.6 | 1.1 | 1.3 | 1.2 | 1.3 | 1.2 | 0.9 |
| Net income | 8.1 | 9.0 | 6.8 | 7.2 | 6.9 | 7.1 | 7.6 | 5.3 |
| |
| Basic earnings per share (in dollars per share) | $0.48 | $1.06 | $0.80 | $0.42 | $0.81 | $0.84 | $0.89 | $0.62 |
| Diluted earnings per share (in dollars per share) | $0.48 | $1.06 | $0.80 | $0.42 | $0.81 | $0.84 | $0.89 | $0.62 |
| |
| Basic average shares outstanding (in shares) | 17.0 | 8.5 | 8.5 | 17.0 | 8.5 | 8.5 | 8.5 | 8.5 |
| Diluted average shares outstanding (in shares) | 17.0 | 8.5 | 8.5 | 17.0 | 8.5 | 8.5 | 8.5 | 8.5 |
| |
| Dividends per share (in dollars per share) | $0.07 | $0.14 | $0.13 | $0.07 | $0.13 | $0.13 | $0.12 | $0.12 |