The following table summarizes the changes in accumulated other comprehensive income (loss) by component:



				Unrealized Holding Gains (Losses), Net of Tax
	Foreign Currency Translation Adjustment			On Available-For-Sale Debt Securities			On Equity Securities			On Foreign Currency Forward Contracts			Total
	(in thousands)
Balance at December 31, 2015	$	(2,080	)	$	126		$	—		$	3,778		$	1,824
Other comprehensive (loss) income before reclassifications	(5,782		)	(136		)	17,531			17,383			28,996
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			—			(9,647		)	(9,647		)
Net current period other comprehensive (loss) income	(5,782		)	(136		)	17,531			7,736			19,349
Balance at December 31, 2016	$	(7,862	)	$	(10	)	$	17,531		$	11,514		$	21,173
Other comprehensive (loss) income before reclassifications	(13,169		)	(584		)	7,538			(29,175		)	(35,390		)
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			—			2,645			2,645
Net current period other comprehensive (loss) income	(13,169		)	(584		)	7,538			(26,530		)	(32,745		)
Balance as of December 31, 2017	$	(21,031	)	$	(594	)	$	25,069		$	(15,016	)	$	(11,572	)
Other comprehensive income before reclassifications	8,855			58			—			25,664			34,577
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			—			1,774			1,774
Net current period other comprehensive income	8,855			58			—			27,438			36,351
Amounts reclassified to accumulated deficit pursuant to adoption of new accounting standard	949			—			(25,069		)	—			(24,120		)
Balance as of December 31, 2018	$	(11,227	)	$	(536	)	$	—		$	12,422		$	659