GOODWILL AND OTHER INTANGIBLES

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The following summarizes the change in goodwill during the six months ended June 30, 2019 (in thousands):



Carrying amount, December 31, 2018	$	26,679
Goodwill attributable to acquisitions (subject to change)	503
Foreign currency adjustments	8
Carrying amount, June 30, 2019	$	27,190

Other intangibles consisted of the following (in thousands):



	June 30, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology	$	8,200	$	(410	)	$	7,790	$	8,200	$	—		$	8,200
Customer relationships and other	3,700		(1,964		)	1,736		3,303		(1,739		)	1,564
Total intangible assets	$	11,900	$	(2,374	)	$	9,526	$	11,503	$	(1,739	)	$	9,764

Amortization expense relating to other intangibles was as follows (in thousands):



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Amortization expense	$	305	$	97	$	607	$	194

Estimated amortization expense related to intangibles for each of the five years from 2019 (remaining) through 2023 and thereafter is as follows (in thousands):



Year Ending December 31,
2019 (remaining)	$	666
2020	1,287
2021	1,283
2022	1,265
2023	918
Thereafter	4,107
	$	9,526