| In millions, except per share items | Jun-30-21 | Mar-31-21 | Dec-31-20 | Sep-30-20 | Jun-30-20 | Mar-31-20 | Dec-31-19 | Sep-30-19 |
| | 10-Q | 10-Q | 10-K/A | 10-Q | 10-Q | 10-Q | 10-K/A | 10-Q |
| Cash Flows From Operating Activities: | | | | | | | | |
| Net income (loss) | 16.1 | 14.1 | 8.3 | 5.1 | 1.6 | 2.4 | 5.7 | 9.6 |
| Adjustments to reconcile net income (loss) to net cash (used in) from operating activities: | | | | | | | | |
| Depreciation and amortization | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Provision for loan and lease losses | | | | | 14.9 | 12.1 | 9.2 | 5.4 |
| Amortization of premium on securities | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 |
| Net gain on sale of securities available for sale | -0.7 | -0.3 | -0.2 | | | | | |
| Net accretion of deferred fees and unearned income on loans | -5.4 | -6.1 | -5.3 | -5.2 | -2.5 | -1.0 | -0.7 | 0.5 |
| Net loss on sale of other assets | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | | 0.0 |
| Net gain on sale of loans | -1.4 | | -0.5 | -0.7 | | | -1.0 | -0.9 |
| Proceeds from sale of Small Business Administration loans | 2.4 | | | | | | | |
| Stock-based compensation expense | 0.9 | 0.8 | 0.8 | 0.9 | 1.1 | 1.1 | 1.1 | 1.1 |
| Changes in operating assets and liabilities: | | | | | | | | |
| Net (increase) decrease in accrued interest receivable | 1.3 | -2.6 | -1.6 | -1.5 | -1.1 | 0.0 | -0.1 | 0.1 |
| Net (increase) decrease in other assets | -2.7 | 1.2 | 0.8 | -0.8 | 0.4 | -2.0 | 5.9 | 0.4 |
| Net (increase) in deferred taxes | 0.8 | | -0.3 | -1.7 | -1.3 | 1.4 | 2.3 | 2.9 |
| Net (increase) income taxes receivable | -0.5 | -0.6 | -0.2 | -0.1 | -0.4 | 0.2 | 0.2 | 0.9 |
| Net (decrease) in accrued interest payable | -0.1 | -0.2 | -0.2 | -0.2 | -0.2 | -0.2 | 0.0 | 0.0 |
| Net (decrease) in other liabilities | -2.9 | -1.1 | -1.8 | -1.5 | -0.2 | -0.2 | -7.3 | -1.9 |
| Net cash used in operating activities | 6.8 | 9.2 | 10.2 | 7.6 | 13.0 | 14.5 | 17.0 | 20.0 |
| |
| Cash Flows From Investing Activities: | | | | | | | | |
| Net decrease in interest-bearing time deposits with financial institutions | | | 0.8 | 0.6 | | 0.1 | | |
| Maturities of and principal payments received on securities available for sale and other stock | 5.8 | 6.5 | 6.1 | 6.0 | 8.0 | 4.0 | 4.9 | 3.5 |
| Purchase of securities available for sale and other stock | | -32.8 | -22.7 | -8.0 | | | -5.0 | |
| Proceeds from sale of securities available for sale and other stock | 62.0 | 24.9 | 13.1 | 6.0 | 8.0 | 4.9 | 5.8 | 4.4 |
| Purchase of other investments | -0.6 | -0.6 | -0.6 | -0.5 | | | | -1.1 |
| Principal payments received on other investments | 0.0 | | | | | | | |
| Net (increase) decrease in loans | 115.7 | | | | -240.2 | | | |
| Purchases of premises and equipment | | -0.2 | -0.3 | -0.5 | -0.6 | -0.6 | -0.5 | -0.3 |
| Proceeds from sale of other assets | 0.1 | 0.1 | | | 0.1 | | | |
| Net cash provided by investing activities | 262.3 | -110.4 | -107.9 | -119.0 | -282.6 | -75.4 | -38.7 | -81.4 |
| |
| Cash Flows From Financing Activities: | | | | | | | | |
| Net (decrease) increase in deposits | -93.4 | 87.5 | 183.8 | 194.5 | 228.9 | 114.9 | 63.6 | 96.0 |
| Proceeds from borrowings | | | | | 169.0 | 185.0 | 95.0 | 90.0 |
| Payments of borrowings | | -124.0 | -134.0 | -165.0 | -135.0 | -105.0 | -105.0 | -90.0 |
| Proceeds from exercise of common stock options | 0.7 | 0.1 | | | | 0.6 | 0.6 | 0.1 |
| Net cash provided by (used in) financing activities | -166.6 | -32.4 | 163.8 | 178.9 | 263.4 | 195.6 | 54.1 | 96.1 |
| |
| Supplementary Cash Flow Information: | | | | | | | | |
| Cash paid for interest on deposits and other borrowings | 5.0 | 6.5 | 8.8 | 11.2 | 13.5 | 15.5 | 16.1 | 16.2 |
| Cash paid for income taxes | 7.0 | | 4.2 | | 1.2 | 0.0 | | |
| Noncash Investing Activities: | | | | | | | | |
| Transfer of loans into other assets | | | 0.7 | 0.7 | 0.7 | 0.4 | | 0.2 |