XML 95 R80.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Goodwill [Roll Forward] |  |  |
Balance at the beginning of the period |  | $ 91,792 | $ 92,243
Acquisitions |  |  | 1,149
Reduction of goodwill | [1] | (318) | (451)
Balance at the end of the period |  | 92,623 | 91,792
Reduction of goodwill | [1] | 318 | 451
Banking |  |  |
Goodwill [Roll Forward] |  |  |
Balance at the beginning of the period |  | 64,369 | 64,369
Acquisitions |  |  | 0
Reduction of goodwill | [1] | 0 | 0
Balance at the end of the period |  | 64,369 | 64,369
Reduction of goodwill | [1] | 0 | 0
Insurance |  |  |
Goodwill [Roll Forward] |  |  |
Balance at the beginning of the period |  | 19,212 | 19,663
Acquisitions |  |  | 1,149
Reduction of goodwill | [1] | (318) | (451)
Balance at the end of the period |  | 20,043 | 19,212
Reduction of goodwill | [1] | 318 | 451
Wealth Management |  |  |
Goodwill [Roll Forward] |  |  |
Balance at the beginning of the period |  | 8,211 | 8,211
Acquisitions |  |  | 0
Reduction of goodwill | [1] | 0 | 0
Balance at the end of the period |  | 8,211 | 8,211
Reduction of goodwill | [1] | $ 0 | $ 0
[1] | The $318,000 and $451,000 reduction of goodwill in 2016 and 2015, respectively, reflects an adjustment related to the sale of a portion of insurance revenues. In 2015 and 2016, Tompkins Insurance sold a portion of its personal lines insurance revenues, which had been acquired in a previous acquisition, to a third party.

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=tmp_BankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=tmp_InsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=tmp_WealthManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |