INTANGIBLE ASSETS

9 Months Ended

Sep. 30, 2023

INTANGIBLE ASSETS

INTANGIBLE ASSETS

7.    INTANGIBLE ASSETS

Intangible assets on the Company’s condensed consolidated balance sheets consist of the following:

		September 30, 2023						December 31, 2022
		Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	Life	Amount		Amortization		Value		Amount		Amortization		Value
Customer lists	5 – 18 years	$	116,184	$	(40,156)	$	76,028	$	112,378	$	(34,377)	$	78,001
Trade name	10 – 19 years		15,441		(7,676)		7,765		15,320		(6,900)		8,420
Design and technologies	10 – 15 years		41,129		(11,131)		29,998		41,212		(8,558)		32,654
Total		$	172,754	$	(58,963)	$	113,791	$	168,910	$	(49,835)	$	119,075

Amortization expense for intangible assets was $3,075 and $3,054 for the three months ended September 30, 2023 and 2022, respectively. For the nine months ended September 30, 2023 and 2022, amortization expense was $9,226 and $8,133, respectively.

Estimated future intangible asset amortization expense as of September 30, 2023 is as follows:

Year ending December 31,	Total
	Estimated
	Amortization Expense
Remainder of 2023	$	3,044
2024		12,144
2025		12,129
2026		12,032
2027		11,589
Thereafter		62,853
Total estimated amortization expense	$	113,791