Intangible Assets

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

8. Intangible Assets

Goodwill, customer relationships and trademarks consist of the following amounts (in thousands):

	December 31, 2022		December 31, 2021
Goodwill	$	120,343	$	120,343
Customer Relationships— Acquired
Cost	$	5,026	$	46,552
Accumulated amortization	(4,825)		(41,120)
Customer Relationships—Acquired	$	201	$	5,432
Customer Relationships—Other
Cost	$	7,886	$	15,955
Accumulated amortization	(5,086)		(7,204)
Customer Relationships—Other, net	$	2,800	$	8,751
Trademarks
Cost	$	4,041	$	7,040
Accumulated amortization	(1,213)		(3,508)
Trademarks, net	$	2,828	$	3,532

Changes in goodwill, customer relationships (including non-compete agreements) and trademarks consisted of the following (in thousands):

	Goodwill		Customer Relationships— Acquired & Non-Compete Agreements		Customer Relationships— Other		Trademarks
Balance at December 31, 2019	$	120,343	$	23,852	$	7,522	$	5,708
Amortization	—		(9,339)		(4,267)		(1,110)
Balance at December 31, 2020	$	120,343	$	14,513	$	3,255	$	4,598
Additions	—		—		9,100		—
Adjustments	—		—		(27)		—
Amortization	—		(9,081)		(3,577)		(1,066)
Balance at December 31, 2021	$	120,343	$	5,432	$	8,751	$	3,532
Additions	—		—		1,091		—
Adjustments	—		1		—		(10)
Amortization	—		(5,232)		(7,042)		(694)
Balance at December 31, 2022	$	120,343	$	201	$	2,800	$	2,828

During the twelve months ended December 31, 2022, the Company changed the estimated average life for Customer Relationships — Other from three years to eighteen months, resulting in approximately $0.9 million of additional amortization recorded in the twelve months ended December 31, 2022.

Estimated future amortization expense for customer relationships and trademarks at December 31, 2022 is as follows (in thousands):

Year Ending December 31,
2023	$	2,921
2024	746
2025	543
2026	404
2027	404
> 5 years	811
Total	$	5,829