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Accumulated Other Comprehensive Income
 12 Months Ended
Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income
The following table presents reclassifications out of accumulated other comprehensive income related to unrealized gains and losses on available-for-sale securities for the two years ending December 31.
(Dollars in thousands)
 
2017
 
2016
 
Affected Line Item in the Statements of Income
Realized gains included in net income
 
$
4,340

 
$
1,796

 
Gains on investment securities available-for-sale
 
 
4,340

 
1,796

 
Income before income taxes
Tax effect
 
(1,629
)
 
(674
)
 
Income tax expense
Net of tax
 
$
2,711

 
$
1,122

 
Net income