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Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets | The following is a summary of intangible assets:
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
|  | (Dollars in thousands) |
As of March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Core deposit intangibles |  | $ | 25,907 |  |  | $ | (9,098 | ) |  | $ | 16,809 |
Customer relationship intangibles |  |  | 5,699 |  |  |  | (3,854 | ) |  |  | 1,845 |
Mortgage servicing intangibles |  |  | 419 |  |  |  | (291 | ) |  |  | 128 |
Total |  | $ | 32,025 |  |  | $ | (13,243 | ) |  | $ | 18,782 |
As of December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Core deposit intangibles |  | $ | 17,447 |  |  | $ | (8,451 | ) |  | $ | 8,996 |
Customer relationship intangibles |  |  | 5,699 |  |  |  | (3,767 | ) |  |  | 1,932 |
Mortgage servicing intangibles |  |  | 439 |  |  |  | (285 | ) |  |  | 154 |
Total |  | $ | 23,585 |  |  | $ | (12,503 | ) |  | $ | 11,082 |
Summary of Goodwill by Business Segment | The following is a summary of goodwill by business segment:
|  |  |  |  |  |  |  |  |  | Other |  |  | Executive, |  |  |  |  |
|  | Metropolitan |  |  | Community |  |  | Financial |  |  | Operations |  |  |  |  |
|  | Banks |  |  | Banks |  |  | Services |  |  | & Support |  |  | Consolidated |
|  | (Dollars in thousands) |
Three month ended March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | 8,078 |  |  | $ | 40,050 |  |  | $ | 5,464 |  |  | $ | 450 |  |  | $ | 54,042 |
Acquisitions |  |  | 1,127 |  |  |  | 24,627 |  |  |  | — |  |  |  | — |  |  |  | 25,754 |
Balance at end of period |  | $ | 9,205 |  |  | $ | 64,677 |  |  | $ | 5,464 |  |  | $ | 450 |  |  | $ | 79,796 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -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 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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