Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Schedule of Components of Accumulated Other Comprehensive Income (Loss)

The components of accumulated other comprehensive income (loss) are as follows (in thousands):

							Total
	Net UnrealizedGain			Cumulative			Accumulated
	(Loss) on Marketable			Translation			Other Comprehensive
	Investments			Adjustment			Income (Loss)
Balance at January 1, 2016	$	(100	)	$	(4,726	)	$	(4,826	)
Foreign currency translation		—			(68	)		(68	)
Unrealized gain on investments, net of tax of $46		72			—			72
Balance at September 30, 2016	$	(28	)	$	(4,794	)	$	(4,822	)

							Total
	Net Unrealized Gain			Cumulative			Accumulated
	(Loss) on Marketable			Translation			Other Comprehensive
	Investments			Adjustment			Income (Loss)
Balance at July 1, 2016	$	20		$	(4,674	)	$	(4,654	)
Foreign currency translation		—			(120	)		(120	)
Unrealized loss on investments, net of tax of ($33)		(48	)		—			(48	)
Balance at September 30, 2016	$	(28	)	$	(4,794	)	$	(4,822	)

							Total
	Net Unrealized Gain			Cumulative			Accumulated
	(Loss) on Marketable			Translation			Other Comprehensive
	Investments			Adjustment			Income (Loss)
Balance at January 1, 2015	$	(74	)	$	(1,539	)	$	(1,613	)
Foreign currency translation before reclassification		—			(2,380	)		(2,380	)
Reclassification adjustment for write-off of foreign    currency translation loss		—			318			318
Unrealized gain on investments, net of tax of $29		47			—			47
Balance at September 30, 2015	$	(27	)	$	(3,601	)	$	(3,628	)

							Total
	Net Unrealized Gain			Cumulative			Accumulated
	(Loss) on Marketable			Translation			Other Comprehensive
	Investments			Adjustment			Income (Loss)
Balance at July 1, 2015	$	(27	)	$	(3,472	)	$	(3,499	)
Foreign currency translation		—			(129	)		(129	)
Balance at September 30, 2015	$	(27	)	$	(3,601	)	$	(3,628	)