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Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Dec. 31, 2017
Accumulated Other Comprehensive Income / (Loss) [Abstract]  
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income includes the after tax change in unrealized gains and losses on foreign currency translation adjustments. During the periods presented, the Company did not have material reclassifications out of other comprehensive income.
 
Year Ended December 31,
 
2017
 
2016
 
2015
 
(dollars in thousands)
 
 
Beginning Balance
$
(2
)
 
$
—

 
$
17

Foreign currency translation
(6
)
 
(2
)
 
(17
)
Ending Balance
$
(8
)
 
$
(2
)
 
$
—