| 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 |
| | 8-K | 8-K | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K/A |
| CASH FLOWS FROM OPERATING ACTIVITIES: | | | | | | | | |
| Adjustments to reconcile net income to net cash from operating activities: | | | | | | | | |
| Net accretion of acquisition accounting estimates | | | -0.3 | -0.5 | -0.7 | | | |
| Provision for credit losses | | | 3.9 | 0.7 | 1.7 | 2.3 | | |
| Depreciation and amortization | | | 2.5 | 2.4 | 2.3 | 1.6 | 2.4 | 2.4 |
| Net amortization of securities | | | 0.5 | 0.5 | 0.6 | -0.8 | | |
| Stock-based compensation expense | | | 0.3 | 0.1 | 0.4 | 1.1 | 0.3 | 0.3 |
| Deferred income tax (benefit) expense | | | | | -1.6 | 4.5 | 5.7 | 3.9 |
| Gain (loss) on sales and valuation adjustments on other real estate owned | | | 0.1 | 0.4 | 0.3 | 0.2 | | |
| Fair value adjustment on equity securities | | | 0.0 | 0.0 | 0.0 | | | |
| Net changes in: | | | | | | | | |
| Accrued interest receivable | | | -3.2 | -0.1 | 0.2 | -0.8 | | |
| Other assets | | | -0.3 | 2.3 | -3.3 | -1.2 | -0.1 | -0.9 |
| Accrued interest payable | | | 0.3 | -0.3 | 0.5 | 0.0 | | |
| Other liabilities | | | 2.3 | -7.8 | 5.6 | 0.3 | -0.7 | 0.0 |
| Net cash provided by operating activities | | | 18.4 | 13.7 | 18.3 | 19.5 | 19.0 | 15.1 |
| |
| CASH FLOWS FROM INVESTING ACTIVITIES: | | | | | | | | |
| Proceeds from maturities and principal payments of investment securities available for sale | | | 45.3 | 35.4 | 39.1 | 47.0 | | |
| Purchases of securities held to maturity | | | -57.2 | -4.0 | | | | |
| Purchases of equity securities | | | -73.5 | 0.0 | -0.6 | -84.5 | | |
| Purchase of restricted securities | | | | | -2.7 | -2.1 | | |
| Net change in loans | | | -205.9 | -53.5 | -102.6 | -100.0 | | |
| Purchases of premises and equipment | | | -2.4 | -2.2 | -1.1 | -1.3 | | |
| Proceeds from sales of other real estate owned | | | 0.0 | 0.7 | 0.4 | 0.6 | | |
| Purchases of bank owned life insurance | | | -0.3 | -25.6 | | | | |
| Proceeds from disposal of premises held for sale | | | 0.0 | 0.7 | 0.4 | 0.6 | | |
| Net cash (used in) investing activities | | | -280.1 | -45.7 | -42.5 | -72.3 | -33.7 | -65.3 |
| |
| CASH FLOWS FROM FINANCING ACTIVITIES: | | | | | | | | |
| Noninterest-bearing deposits | | | 152.5 | 26.2 | 2.1 | 32.2 | | |
| Interest-bearing deposits | | | 207.0 | 103.0 | 7.7 | -39.3 | | |
| Short-term borrowings | | | -0.2 | -59.6 | 39.1 | 18.5 | | |
| Common stock dividends paid | | | -6.0 | -5.3 | -4.1 | -2.8 | | |
| Net cash provided by (used in) financing activities | | | 353.6 | 59.7 | 59.6 | 8.7 | | |
| |
| Supplemental cash flows information: | | | | | | | | |
| Interest paid | | | 6.8 | 10.1 | 5.0 | 2.4 | | |
| Income taxes paid | | | 7.9 | 11.9 | 5.4 | 3.9 | | |
| Transfers from loans to other real estate owned | | | | | 0.1 | 0.1 | | |