Segment and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Interest income	$ 45,365	$ 44,457
Interest expense	5,338	6,251
Net interest income	40,027	38,206
Provision for loan and lease losses	743	1,038
Noninterest income	17,434	17,390
Noninterest expense	38,210	37,520
Income before income tax expense	18,508	17,038
Income tax expense	5,906	5,495
Net Income attributable to noncontrolling interests and Tompkins Financial Corporation	12,602	11,543
Less: Net income attributable to noncontrolling interests	33	33
Net Income attributable to Tompkins Financial Corporation	12,569	11,510
Depreciation and amortization	1,384	1,445
Assets	5,041,800	4,987,280	5,003,039
Goodwill	92,246	92,305	92,140
Other intangibles, net	16,004	18,009	16,298
Net loans and leases	3,176,198	2,969,134	3,166,314
Deposits	4,105,170	4,072,352	3,947,216
Total Equity	473,822	446,812	457,939	441,360
Banking [Member]
Interest income	45,333	44,401
Interest expense	5,340	6,252
Net interest income	39,993	38,149
Provision for loan and lease losses	743	1,038
Noninterest income	6,314	6,636
Noninterest expense	29,846	29,406
Income before income tax expense	15,718	14,341
Income tax expense	4,850	4,466
Net Income attributable to noncontrolling interests and Tompkins Financial Corporation	10,868	9,875
Less: Net income attributable to noncontrolling interests	33	33
Net Income attributable to Tompkins Financial Corporation	10,835	9,842
Depreciation and amortization	1,295	1,354
Assets	5,001,219	4,948,301
Goodwill	64,500	64,665
Other intangibles, net	10,341	11,884
Net loans and leases	3,176,198	2,969,134
Deposits	4,112,666	4,079,623
Total Equity	435,130	412,256
Insurance [Member]
Interest income	2	2
Interest expense	0	0
Net interest income	2	2
Provision for loan and lease losses	0	0
Noninterest income	7,247	7,066
Noninterest expense	5,728	5,566
Income before income tax expense	1,521	1,502
Income tax expense	625	625
Net Income attributable to noncontrolling interests and Tompkins Financial Corporation	896	877
Less: Net income attributable to noncontrolling interests	0	0
Net Income attributable to Tompkins Financial Corporation	896	877
Depreciation and amortization	50	55
Assets	34,543	34,427
Goodwill	19,665	19,559
Other intangibles, net	5,080	5,476
Net loans and leases	0	0
Deposits	0	0
Total Equity	26,779	25,150
Wealth Management [Member]
Interest income	32	55
Interest expense	0	0
Net interest income	32	55
Provision for loan and lease losses	0	0
Noninterest income	4,229	4,190
Noninterest expense	2,992	3,050
Income before income tax expense	1,269	1,195
Income tax expense	431	404
Net Income attributable to noncontrolling interests and Tompkins Financial Corporation	838	791
Less: Net income attributable to noncontrolling interests	0	0
Net Income attributable to Tompkins Financial Corporation	838	791
Depreciation and amortization	37	36
Assets	13,712	11,981
Goodwill	8,081	8,081
Other intangibles, net	583	649
Net loans and leases	0	0
Deposits	0	0
Total Equity	11,913	9,406
Intercompany and Merger [Member]
Interest income	(2)	(1)
Interest expense	(2)	(1)
Net interest income	0	0
Provision for loan and lease losses	0	0
Noninterest income	(356)	(502)
Noninterest expense	(356)	(502)
Income before income tax expense	0	0
Income tax expense	0	0
Net Income attributable to noncontrolling interests and Tompkins Financial Corporation	0	0
Less: Net income attributable to noncontrolling interests	0	0
Net Income attributable to Tompkins Financial Corporation	0	0
Depreciation and amortization	0	0
Assets	(7,674)	(7,429)
Goodwill	0	0
Other intangibles, net	0	0
Net loans and leases	0	0
Deposits	(7,496)	(7,271)
Total Equity	$ 0	$ 0