Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets as of March 31, 2018 and December 31, 2017 were as follows (dollar amounts in thousands):

	Weighted- Average Amortization Period (Years)		March 31, 2018							December 31, 2017
			Gross Carrying Amount		Accumulated Amortization			Net Balance		Gross Carrying Amount		Accumulated Amortization			Net Balance
Customer relationships		10	$	68,479	$	(55,068	)	$	13,411	$	68,296	$	(54,213	)	$	14,083
Acquired technology		11		69,443		(50,107	)		19,336		69,200		(48,945	)		20,255
Non-compete agreements		4		14,678		(13,661	)		1,017		14,632		(13,470	)		1,162
Indefinite-lived intangible assets:
Trademarks				45,339		—			45,339		44,956		—			44,956
Domain names				4,400		—			4,400		4,400		—			4,400
Total			$	202,339	$	(118,836	)	$	83,503	$	201,484	$	(116,628	)	$	84,856