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Off-balance sheet financial instruments (Tables)
 12 Months Ended
Dec. 31, 2016
Off-balance sheet financial instruments  
Summary of Contractual Amounts of Off-balance Sheet Commitments

 

 

 

 

 

 

 

 

December 31

    

2016

    

2015

 

Commitments to extend credit

 

$
235,878

 

$
257,011

 

Unused portions of lines of credit

 

 
57,784

 

 
52,794

 

Standby letters of credit

 

 
31,051

 

 
20,017

 

 

 

$
324,713

 

$
329,822