Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Components of Goodwill

Goodwill consisted of the following:

	2019		2018
Balance at January 1,	$	166,129	$	166,678
Measurement period adjustments		—		(549	)
Balance at December 31,	$	166,129	$	166,129

Components of Intangible Assets

Intangible assets, net consisted of the following:

		December 31, 2019							December 31, 2018
	Useful life (years)	Cost		Accumulated amortization			Net		Cost		Accumulated amortization			Net
Customer lists	5 - 15	$	113,357	$	(50,457	)	$	62,900	$	113,357	$	(39,966	)	$	73,391
Patents and technology	3 - 10		23,424		(13,044	)		10,380		23,424		(10,551	)		12,873
Trade names and trademarks	1 - 2		3,003		(3,003	)		—		3,003		(3,003	)		—
		$	139,784	$	(66,504	)	$	73,280	$	139,784	$	(53,520	)	$	86,264

Estimated Future Amortization Expense for Intangible Assets

Estimated future amortization expense for intangible assets is as follows:

	December 31,
	2019
2020		12,721
2021		12,112
2022		11,686
2023		11,408
2024		11,122
Thereafter		14,231
	$	73,280