ACQUIRED INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

ACQUIRED INTANGIBLE ASSETS

ACQUIRED INTANGIBLE ASSETS

The following table presents the detail of acquired intangible assets as of the periods presented (in thousands):

	Balance at March 31, 2020
	Estimated Useful Life	Cost		Accumulated Amortization		Net
Technology assets	5 years	$	70,081	$	(34,193)	$	35,888
Customer assets	12 years	44,000		(7,824)		36,176
Trade name	4 years	12,128		(5,248)		6,880
Other		5,299		(2,307)		2,992
Total		$	131,508	$	(49,572)	$	81,936

	Balance at December 31, 2019
	Estimated Useful Life	Cost		Accumulated Amortization		Net
Technology assets	5 years	$	53,900	$	(31,873)	$	22,027
Customer assets	12 years	44,000		(6,934)		37,066
Trade name	4 years	11,300		(4,473)		6,827
Other		5,299		(2,140)		3,159
Total		$	114,499	$	(45,420)	$	69,079

All intangible assets are amortized over their estimated useful lives. As a result of the COVID-19 pandemic, the Company performed an impairment assessment of its intangible assets as of March 31, 2020, and concluded that no impairment charges were required.

The changes to the carrying value of intangible assets were as follows (in thousands):

	Three Months Ended March 31,
	2020		2019
Acquired intangible assets, net, beginning of the period	$	69,079	$	77,102
Acquisitions	17,009		6,082
Amortization expense	(4,152)		(3,487)
Acquired intangible assets, net, end of the period	$	81,936	$	79,697

The estimated future amortization expense of intangible assets in future periods as of March 31, 2020 is as follows (in thousands):

Remainder of 2020	$	11,994
2021	15,479
2022	13,405
2023	12,153
2024	9,176
Thereafter	19,729
Total	$	81,936