GOODWILL AND INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2020

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets

INTANGIBLE ASSETS

The components of intangible assets for each of the years ended December 31, 2020 and 2019, were as follows (amounts in thousands):

	Weighted- Average Useful Lives (in Years)	2020		2019
Amortizable intangible assets:
Customer relationships	0	$	—	$	12,629
Patents, trademarks, and other	10.43	10,181		11,598
Total at cost		10,181		24,227
Less accumulated amortization		(8,206)		(14,461)
		$	1,975	$	9,766

During the fourth quarter of 2020, the Company recorded an impairment charge of $6.0 million related to the customer relationships intangible asset in Australia as a result of attrition of several customers since the business was initially acquired in 2012.

Amortization related to intangible assets for the years 2020, 2019, and 2018 totaled $2.3 million, $2.2 million, and $2.3 million, respectively.

The estimated aggregate amortization expense at December 31, 2020, for each of the years (or other periods) set forth below was as follows (amounts in thousands):

2021	$	472
2022	144
2023	144
2024	139
2025	123
Thereafter	953
	$	1,975