Intangible Assets, Goodwill and Other Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets consisted of the following (in thousands, except for weighted average amortization period):

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Amortization Period in Years
March 31, 2020
Customer relationships	$	125,423	$	(14,172)	$	111,251	11.8
Trade names	1,400		(128)		1,272		2.7
Intellectual property	27,700		(12,053)		15,647		3.8
Total	$	154,523	$	(26,353)	$	128,170

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Amortization Period in Years
December 31, 2019
Customer relationships	$	135,290	$	(21,637)	$	113,653	12.1
Trade names	1,536		(147)		1,389		3.0
Intellectual property	27,700		(10,893)		16,807		3.7
Total	$	164,526	$	(32,677)	$	131,849

Amortization Expense of Intangible Assets

Amortization expense of intangible assets is expected to approximate the following (in thousands):

Year ending December 31,	Amortization
2020 (excluding the three months ended March 31, 2020)	$	11,016
2021	14,247
2022	14,197
2023	11,405
2024	10,330
Thereafter	66,975
Total	$	128,170

Goodwill

As a result of the Accent acquisition, the changes in the carrying amount of goodwill were as follows (in thousands):

Balance at December 31, 2019	$	599,351
Accent acquisition	(1,548)
Balance at March 31, 2020	$	597,803