GOODWILL AND INTANGIBLE ASSETS: (Tables)

6 Months Ended

Jun. 30, 2015

GOODWILL AND INTANGIBLE ASSETS:

Schedule of changes in the carrying amount of goodwill

The following table presents changes in the carrying amount of goodwill (in thousands):

Balance at December 31, 2014	$	200,743
Adjustments	—
Balance at June 30, 2015	$	200,743

Schedule of carrying amounts of intangible assets

The carrying amounts of intangible assets at June 30, 2015 were as follows:

	Gross Carrying Value		Accumulated Amortization			Net Carrying Value
	(in thousands)
Licensed technology	$	2,554	$	(1,199	)	$	1,355
Developed technology	69,830		(36,006		)	33,824
Customer relationships	13,376		(11,215		)	2,161
Total intangible assets	$	85,760	$	(48,420	)	$	37,340

The carrying amounts of intangible assets at December 31, 2014 were as follows:

	Gross Carrying Value		Accumulated Amortization			Net Carrying Value
	(in thousands)
Licensed technology	$	2,344	$	(917	)	$	1,427
Developed technology	56,064		(32,130		)	23,934
Customer relationships	13,376		(10,434		)	2,942
Total amortizable intangible assets	$	71,784	$	(43,481	)	$	28,303
IPR&D	13,764		—			13,764
Total intangible assets	$	85,548	$	(43,481	)	$	42,067

Schedule of estimated future amortization expense from amortizable intangible assets

The estimated future amortization expenses from amortizable intangible assets are as follows (in thousands):

Remaining six months of 2015	$	5,178
2016	10,011
2017	9,951
2018	6,923
2019	3,541
2020 and thereafter	1,736
	$	37,340