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Accumulated Other Comprehensive Income (Tables)
 12 Months Ended
Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The table below details the components of accumulated other comprehensive income at year end:

  
Pre-Tax Amount
 
Tax (Expense)Benefit
 
Net-of-Tax Amount
December 31, 2011
$
3,812

 
$
(1,471
)
 
$
2,341

Changes in net unrealized gain on investments
2,602

 
(1,004
)
 
1,598

Reclassification adjustment for realized gains
(2,160
)
 
834

 
(1,326
)
December 31, 2012
4,254

 
(1,641
)
 
2,613

Changes in net unrealized loss on investments
(4,233
)
 
1,633

 
(2,600
)
Reclassification adjustment for realized losses
129

 
(50
)
 
79

December 31, 2013
150

 
(58
)
 
92

Changes in net unrealized gain on investments
6,367

 
(2,460
)
 
3,907

Reclassification adjustment for realized losses
20

 
(8
)
 
12

December 31, 2014
$
6,537

 
$
(2,526
)
 
$
4,011