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Other Comprehensive Income (Loss) (Tables)
 9 Months Ended
Sep. 30, 2017
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The following table presents changes in accumulated other comprehensive income (loss) for unrealized gains and losses on available-for-sale securities (dollars in thousands):
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2017
 
2016
 
2017
 
2016
Balance at beginning of period
$
(507
)
 
$
1,504

 
$
(1,080
)
 
$
182

Other comprehensive income (loss) before reclassifications
260

 
(86
)
 
883

 
1,065

Less: amounts reclassified from accumulated other comprehensive income (loss)
7

 
(26
)
 
57

 
(197
)
Net current period other comprehensive income (loss)
253

 
(60
)
 
826

 
1,262

Balance at end of period
$
(254
)
 
$
1,444

 
$
(254
)
 
$
1,444