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Note 16 - Financial Instruments with Off-Balance Sheet Risk (Tables)
12 Months Ended
Dec. 31, 2013
Table Text Block [Abstract]  
Loan Commitments, Policy [Policy Text Block]

(dollars in thousands)

 

2013

   

2012

 

Unfunded loan commitments

  $ 1,150,556     $ 718,386  

Unfunded lines of credit

    79,786       74,094  

Letters of credit

    51,768       58,378  

Total

  $ 1,282,110     $ 850,858