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Goodwill and Identifiable Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2014
Goodwill and Identifiable Intangible Assets [Abstract] |
Goodwill by segment | The table below illustrates goodwill by segment for the years ended December 31, 2014 and 2013 ($ in thousands):
|  | General |  |  |  |  |  |  |
|  | Banking |  |  | Insurance |  |  | Total |
Balance as of January 1, 2013 |  | $ | 246,736 |  |  | $ | 44,368 |  |  | $ | 291,104 |
Goodwill from acquisitions during 2013 |  |  | 81,747 |  |  |  | - |  |  |  | 81,747 |
Balance as of December 31, 2013 |  |  | 328,483 |  |  |  | 44,368 |  |  |  | 372,851 |
Measurement period adjustment during 2014 |  |  | (7,351 | ) |  |  | - |  |  |  | (7,351 | )
Balance as of December 31, 2014 |  | $ | 321,132 |  |  | $ | 44,368 |  |  | $ | 365,500 |
Schedule of identifiable intangible assets | At December 31, 2014 and 2013, identifiable intangible assets consisted of the following ($ in thousands):
|  | 2014 |  |  | 2013 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Core deposit intangibles |  | $ | 85,824 |  |  | $ | 54,464 |  |  | $ | 31,360 |  |  | $ | 85,824 |  |  | $ | 46,437 |  |  | $ | 39,387 |
Insurance intangibles |  |  | 11,693 |  |  |  | 10,566 |  |  |  | 1,127 |  |  |  | 11,693 |  |  |  | 9,967 |  |  |  | 1,726 |
Banking charters |  |  | 1,325 |  |  |  | 745 |  |  |  | 580 |  |  |  | 1,325 |  |  |  | 678 |  |  |  | 647 |
Borrower relationship intangible |  |  | 690 |  |  |  | 523 |  |  |  | 167 |  |  |  | 690 |  |  |  | 460 |  |  |  | 230 |
Total |  | $ | 99,532 |  |  | $ | 66,298 |  |  | $ | 33,234 |  |  | $ | 99,532 |  |  | $ | 57,542 |  |  | $ | 41,990 |
The following table illustrates the carrying amounts and remaining weighted-average amortization periods of identifiable intangible assets as of December 31, 2014 ($ in thousands):
|  |  |  |  | Remaining |
|  |  |  |  | Weighted- |
|  |  |  |  | Average |
|  | Net Carrying |  |  | Amortization |
|  | Amount |  |  | Period in Years |
Core deposit intangibles |  | $ | 31,360 |  |  |  | 7.5 |
Insurance intangibles |  |  | 1,127 |  |  |  | 4.9 |
Banking charters |  |  | 580 |  |  |  | 8.7 |
Borrower relationship intangible |  |  | 167 |  |  |  | 2.7 |
Total |  | $ | 33,234 |  |  |  | 7.4 |

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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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