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Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) The following table sets forth the changes in accumulated other comprehensive income (loss), net of tax (in thousands) for the periods presented:
 
 
Unrealized Gain (Loss) on Available-for-Sale Securities
 
Gain (loss) on Derivative Securities
 
Foreign Currency Translation Adjustments
 
Accumulated Other Comprehensive Income (Loss)
Balance, January 1, 2016
 
$
(16
)
 
$
—

 
$
(1,311
)
 
$
(1,327
)
Current period other comprehensive income (loss)
 
8

 
(450
)
 
126

 
(316
)
Reclassification of amounts to earnings
 
—

 
426

 
—

 
426

Net other comprehensive income (loss) during period
 
8

 
(24
)
 
126

 
110

Balance, December 31, 2016
 
(8
)
 
(24
)
 
(1,185
)
 
(1,217
)
Current period other comprehensive income (loss) before reclassifications
 
(56
)
 
80

 
774

 
798

Reclassification of amounts to earnings
 
—

 
160

 
—

 
160

Net other comprehensive income (loss) during period
 
(56
)
 
240

 
774

 
958

Balance, December 31, 2017
 
(64
)
 
216

 
(411
)
 
(259
)
Current period other comprehensive income (loss) before reclassifications
 
58

 
165

 
(715
)
 
(492
)
Reclassification of amounts to earnings
 
—

 
(158
)
 
—

 
(158
)
Net other comprehensive income (loss) during period
 
58

 
7

 
(715
)
 
(650
)
Balance, December 31, 2018
 
$
(6
)
 
$
223

 
$
(1,126
)
 
$
(909
)