Annual report pursuant to Section 13 and 15(d)

Deposits - Scheduled Maturities of Time Deposits (Detail)

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Deposits - Scheduled Maturities of Time Deposits (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Deposits [Line Items]  
2014 $ 910,635
2015 79,801
2016 9,280
2017 3,889
2018 and thereafter   
Total 1,003,605
Time Deposits of $100,000 or More [Member]
  
Deposits [Line Items]  
2014 451,211
2015 51,355
2016 4,380
2018 and thereafter   
Total 506,946
Other Time Deposits [Member]
  
Deposits [Line Items]  
2014 459,424
2015 28,446
2016 4,900
2017 3,889
2018 and thereafter   
Total $ 496,659