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Commercial Loans Collectively Evaluated for Impairment (Detail) (Commercial Loans, USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
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Commercial Loans |  |
Financing Receivable, Impaired [Line Items] |  |
Principal balance | $ 332,258 | $ 353,331
Recorded investment | 330,005 | 350,717
Related allowance | $ 7,429 | $ 7,373

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- Definition The principal balance of financing receivables that were collectively evaluated for impairment. + References No definition available. + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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