Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

6. Goodwill and other intangible assets

Goodwill

The changes in the carrying amount of goodwill, which is attributable to the Software reportable segment, are as follows (in thousands):

Balance at December 31, 2017	$	62,706
Acquisitions		152,630
Effects of foreign currency translation and other		(4,804	)
Balance at December 31, 2018		210,532
Acquisitions		21,922
Effects of foreign currency translation and other		1,229
Balance at December 31, 2019	$	233,683

Other intangible assets

A summary of other intangible assets is shown below (in thousands):

	December 31, 2019
	Weighted average amortization period	Gross carrying amount		Accumulated amortization		Net carrying amount
Definite-lived intangible assets:
Developed technology	4-6 years	$	60,916	$	25,838	$	35,078
Customer relationships	7-10 years		32,582		11,575		21,007
Other intangibles	10 years		111		62		49
Total definite-lived intangible assets			93,609		37,475		56,134
Indefinite-lived intangible assets:
Trade names			10,941				10,941
Total other intangible assets		$	104,550	$	37,475	$	67,075

	December 31, 2018
	Weighted average amortization period	Gross carrying amount		Accumulated amortization		Net carrying amount
Definite-lived intangible assets:
Developed technology	4-6 years	$	54,530	$	15,517	$	39,013
Customer relationships	7-10 years		28,422		7,309		21,113
Other intangibles	10 years		109		56		53
Total definite-lived intangible assets			83,061		22,882		60,179
Indefinite-lived intangible assets:
Trade names			9,657				9,657
Total other intangible assets		$	92,718	$	22,882	$	69,836

Amortization expense related to amortizing intangible assets was $14.4 million, $7.7 million and $5.4 million for the years ended December 31, 2019, 2018 and 2017, respectively.

Estimated amortization expense for the next five years as of December 31, 2019 is as follows (in thousands):

Year ending
December 31, 2020	$	15,004
December 31, 2021	$	12,664
December 31, 2022	$	9,466
December 31, 2023	$	8,276
December 31, 2024	$	6,490
Thereafter	$	4,234
Total	$	56,134