| 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 AND DIVIDEND INCOME | | | | | | | | |
| Loans | 63.5 | 60.8 | 58.9 | 55.0 | 52.5 | 51.1 | 53.1 | 53.7 |
| Due from banks | 0.2 | 0.1 | 0.2 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 |
| |
| Available-for-sale debt securities | | | | | | | | |
| Held-to-maturity securities | | | | | | | | |
| Federal Home Loan Bank and other stock | | | | | | | | |
| Interest income | 71.9 | 69.2 | 67.5 | 63.7 | 61.0 | 59.2 | 60.6 | 61.1 |
| |
| INTEREST EXPENSE | | | | | | | | |
| Time certificates of deposits of $250,000 or more | 2.5 | 1.8 | 0.9 | 0.6 | 0.4 | 0.4 | 0.5 | 0.5 |
| Federal funds purchased and securities sold under agreements to repurchase | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Total Interest Expense | 20.0 | 15.0 | 10.2 | 5.6 | 2.7 | 2.6 | 2.8 | 5.0 |
| Net Interest Income | 51.9 | 54.2 | 57.3 | 58.1 | 58.3 | 56.6 | 57.8 | 56.1 |
| |
| Less: Provision for credit loss expense | | | | | | | | |
| Net Interest Income After Credit for Credit Loss Expense | 49.6 | 55.1 | 55.9 | 57.1 | 57.4 | 57.1 | 53.9 | 57.3 |
| |
| NONINTEREST INCOME | | | | | | | | |
| Insurance commissions and fees | 8.7 | 9.5 | 7.6 | 10.8 | 8.4 | 9.3 | 7.8 | 9.8 |
| Service charges on deposit accounts | 1.6 | 1.7 | 1.9 | 1.9 | 1.8 | 1.8 | 1.8 | 1.6 |
| Card services income | 3.1 | 2.7 | 2.8 | 2.7 | 3.0 | 2.5 | 2.8 | 2.7 |
| Other income | 1.6 | 1.9 | 2.2 | 1.0 | 1.2 | 1.5 | 1.8 | 1.8 |
| Net loss on securities transactions | -7.1 | | | | 0.0 | | | |
| Total Noninterest Income | 12.6 | 20.4 | 18.4 | 20.7 | 18.9 | 20.0 | 19.2 | 20.9 |
| |
| NONINTEREST EXPENSE | | | | | | | | |
| Salaries and wages | 25.3 | 24.5 | 25.2 | 25.3 | 24.4 | 23.3 | 24.6 | 24.8 |
| |
| Other employee benefits | | | | | | | | |
| Net occupancy expense of premises | 3.3 | 3.3 | 3.2 | 3.3 | 3.1 | 3.5 | 3.1 | 3.0 |
| Furniture and fixture expense | 2.1 | 2.1 | 2.0 | 2.1 | 2.0 | 2.0 | 2.1 | 2.1 |
| Amortization of intangible assets | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 |
| Other operating expense | 14.5 | 13.5 | 13.2 | 12.2 | 13.0 | 12.0 | 11.7 | 14.2 |
| Total Noninterest Expenses | 52.0 | 50.2 | 50.2 | 49.6 | 49.1 | 46.8 | 48.2 | 50.2 |
| Income Before Income Tax Expense | 10.3 | 25.3 | 24.1 | 28.1 | 27.2 | 30.3 | 24.9 | 28.0 |
| Income Tax Expense | 1.8 | 5.9 | 4.5 | 6.8 | 6.3 | 7.0 | 5.4 | 6.6 |
| Net Income Attributable to Noncontrolling Interests and Tompkins Financial Corporation | 8.5 | 19.4 | 19.6 | 21.4 | 20.9 | 23.3 | 19.5 | 21.4 |
| Less: Net Income Attributable to Noncontrolling Interests | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Net Income Attributable to Tompkins Financial Corporation | 8.5 | 19.4 | 19.5 | 21.3 | 20.9 | 23.3 | 19.5 | 21.3 |
| |
| Basic Earnings Per Share (in dollars per share) | $0.59 | $1.35 | $1.37 | $1.49 | $1.45 | $1.61 | $1.34 | $1.46 |
| Diluted Earnings Per Share (in dollars per share) | $0.59 | $1.35 | $1.36 | $1.48 | $1.45 | $1.60 | $1.33 | $1.45 |