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Commitments, Contingencies and Off-Balance-Sheet Risk (Tables)
 12 Months Ended
Dec. 31, 2017
Commitments And Contingencies Disclosure [Abstract]  
Contractual Amounts of Financial Instruments with Off-Balance-Sheet Risk

The contractual amount of financial instruments with off-balance-sheet risk was as follows at year-end.

 

 

 

2017

 

 

2016

 

 

 

Fixed

Rate

 

 

Variable

Rate

 

 

Fixed

Rate

 

 

Variable

Rate

 

Commitments to extend credit:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lines of credit and construction loans

 

$

4,982

 

 

$

286,925

 

 

$

6,905

 

 

$

202,923

 

Overdraft protection

 

 

7

 

 

 

33,353

 

 

 

5

 

 

 

29,075

 

Letters of credit

 

 

624

 

 

 

2,637

 

 

 

600

 

 

 

349

 

 

 

$

5,613

 

 

$

322,915

 

 

$

7,510

 

 

$

232,347