XML 32 R76.htm IDEA: XBRL DOCUMENT v2.4.0.8
Premises and equipment, net - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]      
Depreciation and amortization $ 924 $ 855 $ 1,050
Rent expense $ 216 $ 103 $ 98
Minimum [Member]
      
Property, Plant and Equipment [Line Items]      
Leases extension period 1 year    
Maximum [Member]
      
Property, Plant and Equipment [Line Items]      
Leases extension period 10 years