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Changes in Accumulated Other Comprehensive Income by Component (Tables)
 12 Months Ended
Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Summary of Changes in Accumulated Other Comprehensive Income
The following table provides a summary of changes in accumulated other comprehensive income, net of taxes:
 
Unrealized Gains and (Losses) on Available-for Sale-Securities (1)
 
2017
 
2016
 
2015
 
(in thousands)
Accumulated other comprehensive (loss) income — beginning balance
$
(319
)
 
$
543

 
$
25

Other comprehensive income (loss) before reclassifications
1,149

 
(1,005
)
 
535

Losses (gains) reclassified from other comprehensive income(2)
7

 
143

 
(17
)
Net current period other comprehensive income (loss)(3)
1,156

 
(862
)
 
518

Accumulated other comprehensive income (loss) — ending balance
$
837

 
$
(319
)
 
$
543


(1) 
All amounts are net of tax.
(2) 
For the years ended December 31, 2017 and 2016, the Company recorded less than $0.1 million and $0.2 million of realized losses from the sale of available-for-sale securities, respectively. For the year ended December 31, 2015, the Company recorded less than $0.1 million of realized gains for the sale of available-for-sale securities. Refer to Note 5 herein for further information.
(3) 
For the years ended December 31, 2017 and 2015, the changes in other comprehensive income were both net of tax expense of $0.3 million. For the year ended December 31, 2016, the changes in other comprehensive income were net of a tax benefit of $0.5 million.
Reclassification out of Accumulated Other Comprehensive Income
 
Amounts Reclassified from Accumulated Other Comprehensive Income
 
2017
 
2016
 
2015
For the Year Ended December 31,
(in thousands)
Losses (gains) from the sale of available-for-sale securities
$
11

 
$
222

 
$
(27
)
Tax (benefit) expense
(4
)
 
(79
)
 
10

Net loss (gain) reclassified from accumulated other comprehensive income
7

 
$
143

 
$
(17
)