2.4.0.80069 - Disclosure - Employee Benefit Plan (Details Narrative)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$From2013-01-01to2013-06-30http://www.sec.gov/CIK0001005817duration2013-01-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$From2012-01-01to2012-06-30http://www.sec.gov/CIK0001005817duration2012-01-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 1us-gaap_CompensationAndRetirementDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Compensation and Retirement Disclosure [Abstract]2false 2us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTaxus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse806000806USD$falsetruefalse2truefalsefalse735000735USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount after tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 false2Amortization of amounts previously recognized in accumulated other comprehensive income3false 2us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmountus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2truefalsefalse50000005000USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of discretionary contributions made by an employer to a defined contribution plan.No definition available.false2Company's contribution to pension planfalseEmployee Benefit Plan (Details Narrative) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://tompkinstrustco.com/role/EmployeeBenefitPlanDetailsNarrative23