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Acquired Loans Accounted for Under ASC Subtopic 310-20 (Detail) (Westernbank Puerto Rico, ASC Subtopic 310 20, USD $)
In Thousands
Apr. 30, 2010
Westernbank Puerto Rico | ASC Subtopic 310 20
 
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Fair value of loans $ 290,810
Gross contractual amounts receivable (principal and interest) 457,201
Estimate of contractual cash flows not expected to be collected $ 164,427