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Other Assets and Accrued Expense and Other Liabilities - Additional Information (Detail) (USD $)
 6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Other Assets and Other Liabilities [Line Items]    
Real estate owned (REO) $ 3,323,000 $ 3,661,000
Amount related to transfers into REO 2,000,000  
REO liquidations $ 2,000,000  
Sequoia
    
Other Assets and Other Liabilities [Line Items]    
Number of REO properties recorded on balance sheet 20 20