CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
INTEREST AND DIVIDEND INCOME
Loans	$ 54,769	$ 48,949	$ 158,419	$ 141,257
Due from banks	8	9	22	15
Available-for-sale securities	7,448	7,415	22,821	22,384
Held-to-maturity securities	860	865	2,572	2,613
Federal Home Loan Bank and other stock	899	534	2,433	1,466
Total Interest and Dividend Income	63,984	57,772	186,267	167,735
INTEREST EXPENSE
Time certificates of deposits of $250,000 or more	563	457	1,088	1,364
Other deposits	3,830	2,679	9,699	7,508
Federal funds purchased and securities sold under agreements to repurchase	35	44	115	195
Trust preferred debentures	318	265	904	888
Other borrowings	6,075	3,327	15,897	8,445
Total Interest Expense	10,821	6,772	27,703	18,400
Net Interest Income	53,163	51,000	158,564	149,335
Less: Provision for loan and lease losses	272	402	1,884	2,147
Net Interest Income After Provision for Loan and Lease Losses	52,891	50,598	156,680	147,188
NONINTEREST INCOME
Insurance commissions and fees	7,903	7,682	22,684	21,892
Investment services income	4,097	3,862	12,365	11,544
Service charges on deposit accounts	2,088	2,125	6,300	6,337
Card services income	2,442	2,190	7,209	6,875
Other income	2,057	1,766	8,743	5,667
Gain (loss) on securities transactions	16	(423)	290	(423)
Total Noninterest Income	18,603	17,202	57,591	51,892
NONINTEREST EXPENSE
Salaries and wages	22,029	20,931	64,404	60,868
Other employee benefits	5,300	5,344	15,859	16,195
Net occupancy expense of premises	3,057	3,064	9,873	9,965
Furniture and fixture expense	1,814	1,585	5,461	4,819
FDIC insurance	712	620	2,083	1,775
Amortization of intangible assets	440	481	1,334	1,459
Other operating expense	11,781	9,858	34,825	29,738
Total Noninterest Expenses	45,133	41,883	133,839	124,819
Income Before Income Tax Expense	26,361	25,917	80,432	74,261
Income Tax Expense	5,427	8,491	16,939	24,127
Net Income Attributable to Noncontrolling Interests and Tompkins Financial Corporation	20,934	17,426	63,493	50,134
Less: Net Income Attributable to Noncontrolling Interests	32	32	96	97
Net Income Attributable to Tompkins Financial Corporation	$ 20,902	$ 17,394	$ 63,397	$ 50,037
Basic Earnings Per Share (in dollars per share)	$ 1.37	$ 1.14	$ 4.15	$ 3.30
Diluted Earnings Per Share (in dollars per share)	$ 1.36	$ 1.14	$ 4.12	$ 3.27