2.4.0.80074 - Disclosure - Other Income and Operating Expense (Details)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$From2013-04-01to2013-06-30http://www.sec.gov/CIK0001005817duration2013-04-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$From2012-04-01to2012-06-30http://www.sec.gov/CIK0001005817duration2012-04-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$From2013-01-01to2013-06-30http://www.sec.gov/CIK0001005817duration2013-01-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$From2012-01-01to2012-06-30http://www.sec.gov/CIK0001005817duration2012-01-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 2us-gaap_NoninterestIncomeAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Noninterest Income2false 3tmp_OtherServiceChargestmp_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse771000771USD$falsetruefalse2truefalsefalse588000588USD$falsetruefalse3truefalsefalse16090001609USD$falsetruefalse4truefalsefalse11250001125USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe noninterest income derived from the other service charges.No definition available.false2Other service charges3false 3us-gaap_BankOwnedLifeInsuranceIncomeus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse486000486falsefalsefalse2truefalsefalse391000391falsefalsefalse3truefalsefalse10380001038falsefalsefalse4truefalsefalse817000817falsefalsefalsexbrli:monetaryItemTypemonetaryEarnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 false2Increase in cash surrender value of corporate owned life insurance4false 3us-gaap_GainLossOnSalesOfLoansNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse6800068falsefalsefalse2truefalsefalse150000150falsefalsefalse3truefalsefalse9700097falsefalsefalse4truefalsefalse250000250falsefalsefalsexbrli:monetaryItemTypemonetaryThe net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3(a)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 false2Net gain on sale of loans5false 3us-gaap_NoninterestIncomeOtherus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse485000485falsefalsefalse2truefalsefalse641000641falsefalsefalse3truefalsefalse14320001432falsefalsefalse4truefalsefalse842000842falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 false2Other income6false 3us-gaap_NoninterestIncomeOtherOperatingIncomeus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse18100001810falsefalsefalse2truefalsefalse17700001770falsefalsefalse3truefalsefalse41760004176falsefalsefalse4truefalsefalse30340003034falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents other forms of revenue earned, excluding interest, which is not otherwise specified in the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.4) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 true2Total other income7true 2us-gaap_NoninterestExpenseAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Noninterest Expenses8false 3us-gaap_MarketingExpenseus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse13780001378falsefalsefalse2truefalsefalse12500001250falsefalsefalse3truefalsefalse25420002542falsefalsefalse4truefalsefalse24220002422falsefalsefalsexbrli:monetaryItemTypemonetaryExpenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 false2Marketing expense9false 3us-gaap_ProfessionalFeesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse14110001411falsefalsefalse2truefalsefalse901000901falsefalsefalse3truefalsefalse27650002765falsefalsefalse4truefalsefalse17870001787falsefalsefalsexbrli:monetaryItemTypemonetaryA fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.2(a),(b),(c),(d)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section 45 -Paragraph 3 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849 false2Professional fees10false 3us-gaap_LegalFeesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse529000529falsefalsefalse2truefalsefalse178000178falsefalsefalse3truefalsefalse11210001121falsefalsefalse4truefalsefalse333000333falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 false2Legal fees11false 3tmp_SoftwareLicensingAndMaintenancetmp_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse14220001422falsefalsefalse2truefalsefalse920000920falsefalsefalse3truefalsefalse25610002561falsefalsefalse4truefalsefalse18680001868falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents software licensing and maintenance expenses incurred during the period.No definition available.false2Software licensing and maintenance12false 3tmp_CardholderExpensestmp_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse788000788falsefalsefalse2truefalsefalse539000539falsefalsefalse3truefalsefalse15360001536falsefalsefalse4truefalsefalse11210001121falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents expense incurred during the period related to cardholder.No definition available.false2Cardholder expense13false 3tmp_OtherNoninterestExpenseOthertmp_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse47990004799falsefalsefalse2truefalsefalse33970003397falsefalsefalse3truefalsefalse96380009638falsefalsefalse4truefalsefalse67670006767falsefalsefalsexbrli:monetaryItemTypemonetaryRepresents other expenses classified under noninterest expenses.No definition available.false2Other expenses14false 3us-gaap_OtherNoninterestExpenseus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse1032700010327USD$falsetruefalse2truefalsefalse71850007185USD$falsetruefalse3truefalsefalse2016300020163USD$falsetruefalse4truefalsefalse1429800014298USD$falsetruefalsexbrli:monetaryItemTypemonetaryOther noninterest expenses that are not separately presented in any other noninterest expense category.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 true2Total other operating expensefalseOther Income and Operating Expense (Details) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://tompkinstrustco.com/role/OtherIncomeAndOperatingExpenseDetails414