INTANGIBLE ASSETS

6 Months Ended

Jun. 30, 2023

INTANGIBLE ASSETS

INTANGIBLE ASSETS

7.    INTANGIBLE ASSETS

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

		June 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	$	112,676	$	(38,336)	$	74,340	$	112,378	$	(34,377)	$	78,001
Trade name	10 - 19 years		15,295		(7,435)		7,860		15,320		(6,900)		8,420
Design and technologies	10 - 15 years		41,327		(10,367)		30,960		41,212		(8,558)		32,654
Total		$	169,298	$	(56,138)	$	113,160	$	168,910	$	(49,835)	$	119,075

Amortization expense for intangible assets was $3,142 and $2,645 for the three months ended June 30, 2023 and 2022, respectively. For the six months ended June 30, 2023 and 2022, amortization expense was $6,151 and $5,079, respectively.

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

	Estimated
	Amortization Expense
Remainder of 2023	$	6,073
2024		11,908
2025		11,892
2026		11,795
2027		11,352
Thereafter		60,140
Total estimated amortization expense	$	113,160