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Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2013
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |
Days from origination after which mortgage loan are sold | 30 days
Loan upon which a default of principal or interest has existed for a period | 90 days
Intangible assets, Estimated useful lives | 7 years 4 months 24 days
Core deposit intangibles [Member] |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |
Intangible assets, Estimated useful lives | 6 years 7 months 6 days
Core deposit intangibles [Member] | Minimum [Member] |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |
Intangible assets, Estimated useful lives | 7 years
Core deposit intangibles [Member] | Maximum [Member] |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |
Intangible assets, Estimated useful lives | 10 years
Customer relationship intangibles [Member] | Minimum [Member] |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |
Intangible assets, Estimated useful lives | 3 years
Customer relationship intangibles [Member] | Maximum [Member] |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |
Intangible assets, Estimated useful lives | 18 years

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- Details
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- Definition Period For Sale Of Mortgage Loan From Origination + References No definition available. + Details
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- Definition Period Of Default Of Principal Or Interest Upon Loan + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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