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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Goodwill | Goodwill and intangible assets consist of the following:
(Dollars in thousands) |  | September 30, 2018 |  |  | December 31, 2017 |
Goodwill |  | $ | 158,728 |  |  | $ | 44,126 |
|  | September 30, 2018 |  |  | December 31, 2017 |
|  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |  |  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |
(Dollars in thousands) |  | Amount |  |  | Amortization |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Amount |
Core deposit intangibles |  | $ | 43,578 |  |  | $ | (14,666 | ) |  | $ | 28,912 |  |  | $ | 29,511 |  |  | $ | (11,335 | ) |  | $ | 18,176 |
Other intangible assets |  |  | 15,700 |  |  |  | (1,498 | ) |  |  | 14,202 |  |  |  | 1,764 |  |  |  | (288 | ) |  |  | 1,476 |
|  | $ | 59,278 |  |  | $ | (16,164 | ) |  | $ | 43,114 |  |  | $ | 31,275 |  |  | $ | (11,623 | ) |  | $ | 19,652 |
Schedule of Changes in Goodwill and Intangible Assets | The changes in goodwill and intangible assets during the three and nine months ended September 30, 2018 and 2017 are as follows:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(Dollars in thousands) |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Beginning balance |  | $ | 117,777 |  |  | $ | 43,322 |  |  | $ | 63,778 |  |  | $ | 46,531 |
Acquired goodwill |  |  | 72,060 |  |  |  | — |  |  |  | 115,035 |  |  |  | 152 |
Acquired intangibles |  |  | 14,069 |  |  |  | — |  |  |  | 28,004 |  |  |  | — |
Divestiture |  |  | — |  |  |  | — |  |  |  | (433 | ) |  |  | (1,339 | )
Amortization of intangibles |  |  | (2,064 | ) |  |  | (870 | ) |  |  | (4,542 | ) |  |  | (2,892 | )
Ending balance |  | $ | 201,842 |  |  | $ | 42,452 |  |  | $ | 201,842 |  |  | $ | 42,452 |

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- Definition Schedule of changes in goodwill and intangible. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + 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 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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