Allowance for Loan Losses, Allowance for Losses on Lending-Related Commitments and Impaired Loans Allowance for Loan Losses, Allowance for Losses on Lending-Related Commitments and Impaired Loans (Summary Of Impaired Loans, Including Restructured Loans) (Detail) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
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Dec. 31, 2013
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Jun. 30, 2013
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Financing Receivable, Impaired [Line Items] | ||||||||||
Impaired loans with an allowance for loan loss required | $ 91,511 | [1] | $ 92,184 | [1] | $ 96,519 | [1] | ||||
Impaired loans with no allowance for loan loss required | 45,734 | 70,045 | 93,629 | |||||||
Total impaired loans | 137,245 | [2] | 162,229 | [2] | 190,148 | [2] | ||||
Allowance for loan losses related to impaired loans | 10,298 | 8,265 | 11,839 | |||||||
Financing Receivable [Member]
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Financing Receivable, Impaired [Line Items] | ||||||||||
Allowance for loan losses related to impaired loans | 4,900 | |||||||||
TDRs | $ 88,107 | $ 107,103 | $ 126,196 | |||||||
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