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Borrowings (Tables)
 12 Months Ended
Dec. 31, 2016
Advances from Federal Home Loan Banks [Abstract]  
Summary Of Information Related To Federal Funds Purchased
The following table summarizes information related to federal funds purchased for the years ended December 31, 2016 and 2015:
 
 
 
December 31,
 
 
2016
 
2015
 
 
(dollars in thousands)
Balance at year-end
 
$
—

 
$
—

Average balance during the year
 
$
73

 
$
1,154

Average interest rate during the year
 
0.81
%
 
0.92
%
Maximum month-end balance during the year
 
$
1,302

 
$
8,329

Gross lines of credit at year-end
 
$
36,000

 
$
36,000

Unused lines of credit at year-end
 
$
36,000

 
$
36,000