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Intangible Assets - Summary of Goodwill by Business Segment (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2019 USD ($)
Goodwill [Line Items] |
Balance at beginning of period | $ 79,749
Acquisitions | 67,264
Balance at end of period | 147,013
Metropolitan Banks [Member] |
Goodwill [Line Items] |
Balance at beginning of period | 13,767
Balance at end of period | 13,767
Community Banks [Member] |
Goodwill [Line Items] |
Balance at beginning of period | 59,894
Balance at end of period | 59,894
Pegasus Bank [Member] |
Goodwill [Line Items] |
Acquisitions | 67,264
Balance at end of period | 67,264
Other Financial Services [Member] |
Goodwill [Line Items] |
Balance at beginning of period | 5,464
Balance at end of period | 5,464
Executive, Operations & Support [Member] |
Goodwill [Line Items] |
Balance at beginning of period | 624
Balance at end of period | $ 624

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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 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Details
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