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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Tables)
 12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive (Loss) Income
The following tables present the components of accumulated other comprehensive (loss) income and items reclassified out of accumulated other comprehensive (loss) income into earnings:
 
Year Ended December 31, 2018
 
Foreign
Currency
Translation
Adjustment
 
Unrealized Gains On Available-For-Sale Debt Securities
 
Accumulated
Other
Comprehensive
Income (Loss)
 
(In thousands)
Balance at January 1
$
2,232

 
$
—

 
$
2,232

Other comprehensive (loss) income before reclassifications
(4,044
)
 
3

 
(4,041
)
Amounts reclassified to earnings
(52
)
 


 
(52
)
Net current period other comprehensive (loss) income
(4,096
)
 
3

 
(4,093
)
Balance at December 31
$
(1,864
)
 
$
3

 
$
(1,861
)

 
Year Ended December 31, 2017
 
Foreign
Currency
Translation
Adjustment
 
Accumulated
Other
Comprehensive
(Loss) Income
 
(In thousands)
Balance at January 1
$
(1,721
)
 
$
(1,721
)
Other comprehensive income before reclassifications
3,980

 
3,980

Amounts reclassified to earnings
(27
)
 
(27
)
Net current period other comprehensive income
3,953

 
3,953

Balance at December 31
$
2,232

 
$
2,232

 
Year Ended December 31, 2016
 
Foreign
Currency
Translation
Adjustment
 
Accumulated
Other
Comprehensive
(Loss)
 
(In thousands)
Balance at January 1
$
(1,064
)
 
$
(1,064
)
Other comprehensive loss
(657
)
 
(657
)
Net current period other comprehensive loss
(657
)
 
(657
)
Balance at December 31
$
(1,721
)
 
$
(1,721
)