Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in goodwill

The following table summarizes the changes in goodwill during 2016:

Balance at December 31, 2015	$	—
Increase due to acquisitions	12,272
Balance at December 31, 2016	$	12,272

Schedule of long-lived intangibles

Long-lived Intangibles

	December 31, 2017
	Gross Carrying Amount		Impairments			Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Customer relationships	$	49,700	$	—		$	(40,441	)	$	9,259	7.5 years
Tradenames	31,269		—			(13,415		)	17,854		9.8 years
Patents and technology	21,228		(2,777		)	(7,470		)	10,981		8.8 years
Non-compete agreements	5,896		—			(4,759		)	1,137		4.9 years
Other	567		—			(554		)	13		2.4 years
Total amortizable assets	$	108,660	$	(2,777	)	$	(66,639	)	$	39,244	8.2 years

	December 31, 2016
	Gross Carrying Amount		Acquisitions		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Customer relationships	$	41,500	$	8,200	$	(35,088	)	$	14,612	7.5 years
Tradenames	12,921		18,348		(9,763		)	21,506		9.8 years
Patents and technology	6,003		15,225		(5,501		)	15,727		8.8 years
Non-compete agreements	4,100		1,796		(4,399		)	1,497		4.9 years
Other	324		243		(547		)	20		2.4 years
Total amortizable assets	$	64,848	$	43,812	$	(55,298	)	$	53,362	8.2 years

Schedule of estimated future amortization expense for long-lived intangibles

Estimated future amortization expense for long-lived intangibles is as follows:

2018	$	11,171
2019	9,122
2020	6,454
2021	3,876
2022	2,766
Thereafter	5,855
Total	$	39,244