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FDIC Indemnification Asset and True-up Payment Obligation and FDIC shared-loss expense (Fair value and the undiscounted amount of the true-up payment obligation and FDIC shared-loss expense) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
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FDIC-Assisted Acquisition [Abstract] |  |
Business Combination Contingent Consideration Liability | $ 24,658 | $ 21,981
Business Combination Contingent Consideration Potential Cash Payment | $ 34,956 | $ 40,266

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- Definition Amount of potential cash payments that could result from the contingent consideration arrangement. + References No definition available. + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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