Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill, Customer Relationships and Trademarks

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

	March 31, 2020			December 31, 2019
Goodwill	$	120,343		$	120,343
Customer relationships—Acquired
Cost	$	64,083		$	64,083
Accumulated amortization	(42,760		)	(40,231		)
Customer relationships—Acquired & Non-Compete Agreements, net	$	21,323		$	23,852
Customer relationships—Other
Cost	$	17,056		$	17,056
Accumulated amortization	(10,955		)	(9,534		)
Customer relationships—Other, net	$	6,101		$	7,522
Trademarks
Cost	$	7,570		$	8,502
Accumulated amortization	(2,139		)	(2,794		)
Trademarks, net	$	5,431		$	5,708

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
Additions	—		—			—			—
Amortization	—		(2,529		)	(1,421		)	(277		)
Balance at March 31, 2020	$	120,343	$	21,323		$	6,101		$	5,431

Estimated Future Amortization Expense for Customer Relationships and Trademarks

Estimated future amortization expense for customer relationships and trademarks at March 31, 2020 is as follows (in thousands):

Year ending December 31,
2020 (remaining nine months)	$	10,490
2021	13,142
2022	6,194
2023	605
2024	404
> 5 years	2,020
Total	$	32,855