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Balance and Interest Income Related to Impaired Loan Pools (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items] |  |  |
Interest income recognized | $ 1,356 | $ 952 | $ 1,054
PCI loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Interest income recognized | 142 | 364 | 3,081
TDRs | PCI loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Interest income recognized | $ 424 | $ 608 | $ 597

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
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- Details
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- Details
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