2.4.0.80038 - Disclosure - Mergers and Acquisitions (Details)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$AsOf2013-06-30http://www.sec.gov/CIK0001005817instant2013-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$AsOf2012-12-31http://www.sec.gov/CIK0001005817instant2012-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$AsOf2012-06-30http://www.sec.gov/CIK0001005817instant2012-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDtruefalse$From2012-07-30to2012-08-01_custom_VISTFinancialMemberhttp://www.sec.gov/CIK0001005817duration2012-07-30T00:00:002012-08-01T00:00:00falsefalseVIST Financial Corp. 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combination.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 false2Tompkins Common Stock Issued3false 5tmp_AcquisitionCashPaymentForFractionalSharestmp_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1300013falsefalsefalsexbrli:monetaryItemTypemonetaryAs a part of the acquisition of VIST Financial, the cash payment made by the company for fractional shares that could not be exchanged in a share-to-share transaction.No definition available.false2Cash payment for 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company's common stock.No definition available.false2Fair value of VIST Financial employee stock options6false 5tmp_AcquisitionCashPaymentForVistFinancialTarpWarrantsAndAccruedInteresttmp_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse2645400026454falsefalsefalsexbrli:monetaryItemTypemonetaryRefers to the acquisition of VIST Financial, the cash payment made by the company for VIST Financial TARP funds, warrants and accrued interest.No definition available.false2Cash payment for VIST Financial TARP, warrants and accrued interest7false 5us-gaap_BusinessCombinationConsiderationTransferred1us-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse111008000111008falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of consideration transferred, 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acquired and liabilities assumed deposits.No definition available.false2Deposits17false 5tmp_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesLongTermDebttmp_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-138263000-138263falsefalsefalsexbrli:monetaryItemTypemonetaryRefers to the acquisition of VIST Financial, recognized identifiable assets acquired and liabilities assumed liabilities long term debt.No definition available.false2Borrowings18false 5tmp_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesOthertmp_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse-7698000-7698falsefalsefalsexbrli:monetaryItemTypemonetaryRefers to the acquisition of VIST Financial, recognized 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