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Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | $ 92,291,000 | $ 92,623,000
Goodwill related to sale of portion of business unit | (8,000) | (332,000)
Balance at the end of the period | 92,283,000 | 92,291,000
Reduction of goodwill | 8,000 | 332,000
Impairment of goodwill and intangible assets | 0 |
Banking |  |
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | 64,369,000 | 64,369,000
Goodwill related to sale of portion of business unit | 0 | 0
Balance at the end of the period | 64,369,000 | 64,369,000
Reduction of goodwill | 0 | 0
Insurance |  |
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | 19,711,000 | 20,043,000
Goodwill related to sale of portion of business unit | (8,000) | (332,000)
Balance at the end of the period | 19,703,000 | 19,711,000
Reduction of goodwill | 8,000 | 332,000
Wealth Management |  |
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | 8,211,000 | 8,211,000
Goodwill related to sale of portion of business unit | 0 | 0
Balance at the end of the period | 8,211,000 | 8,211,000
Reduction of goodwill | $ 0 | $ 0

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- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. + References No definition available. + Details
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- 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
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- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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