Other Intangible Assets, Net

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets, Net

Other Intangible Assets, Net

Other intangible assets, net as of December 31, 2020 and 2019 consist of the following:

	2020						2019
(in thousands)	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Client lists	$	644,000	$	(377,409)	$	266,591	$	645,770	$	(340,168)	$	305,602
Non-compete agreements	26,763		(21,570)		5,193		26,409		(16,249)		10,160
Tradenames and licenses	127,718		(78,581)		49,137		126,405		(66,538)		59,867
Total	$	798,481	$	(477,560)	$	320,921	$	798,584	$	(422,955)	$	375,629

Amortization expense for other intangible assets was $56.7 million, $60.0 million and $63.4 million for the years ended December 31, 2020, 2019 and 2018, respectively.

No impairment losses for other intangible assets were    recorded for the year ended December 31, 2020. Impairment losses of $35.6 million were recorded for the year ended December 31, 2019. No impairment losses for other intangible assets were recorded for the year ended December 31, 2018. See Note 10 - Fair Value for further discussion.

Estimated amortization expense for other intangible assets anticipated for the next five years is as follows:

(in thousands)
2021	$	54,039
2022	52,133
2023	43,729
2024	35,476
2025	31,925
Thereafter	103,619
Total	$	320,921