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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Goodwill. Year-end goodwill was as follows:
| 2014 |  | 2013
Goodwill | $ | 653,950 |  |  | $ | 536,649 |
Schedule of Other Intangible Assets | Other Intangible Assets. Year-end other intangible assets were as follows:
| Gross Intangible Assets |  | Accumulated Amortization |  | Net Intangible Assets
2014 |  |  |  |  |
Core deposits | $ | 44,266 |  |  | $ | (34,591 | ) |  | $ | 9,675 |
Customer relationships | 5,771 |  |  | (3,643 | ) |  | 2,128 |
Non-compete agreements | 725 |  |  | (403 | ) |  | 322 |
| $ | 50,762 |  |  | $ | (38,637 | ) |  | $ | 12,125 |
2013 |  |  |  |  |
Core deposits | $ | 34,966 |  |  | $ | (31,961 | ) |  | $ | 3,005 |
Customer relationships | 7,870 |  |  | (5,042 | ) |  | 2,828 |
Non-compete agreements | 1,135 |  |  | (623 | ) |  | 512 |
| $ | 43,971 |  |  | $ | (37,626 | ) |  | $ | 6,345 |
Estimated Aggregate Future Amortization Expense for Intangible Assets | The estimated aggregate future amortization expense for intangible assets remaining as of December 31, 2014 is as follows:
2015 | $ | 3,324 |
2016 | 2,413 |
2017 | 1,619 |
2018 | 1,346 |
2019 | 1,102 |
Thereafter | 2,321 |
| $ | 12,125 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + 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 (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, 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 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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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=14024403&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=14024403&loc=d3e13854-109267 + Details
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