Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets.

Summary of changes in carrying amount of goodwill

Balance at December 31, 2017	$	104,587
Aggregate impairment charges		(104,587)
Balance at September 30, 2018	$	—

Summary of intangible assets acquired

	Net Carrying Amount		Accumulated		Aggregate Impairment		Net Carrying Amount		Remaining
	at December 31, 2017		Amortization		Charges		at September 30, 2018		Life
Intangible assets:
Trademark	$	14,035	$	(585)	$	(13,450)	$	—	—
Customer relationships		6,027		(1,130)		(4,897)		—	—
Non-compete agreement		1,520		(1,140)		—		380	0.3
Total intangible assets acquired	$	21,582	$	(2,855)	$	(18,347)	$	380	0.3