Long-Lived Assets (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Changes in Carrying Amount of Goodwill

Goodwill. The changes in the carrying amount of goodwill for the six months ended June 30, 2019 were as follows (in thousands):

January 1, 2019 balance	$	255,816
Adjustments related to prior acquisitions		1,333
Effects of changes in foreign currency exchange rates		(259	)
June 30, 2019 balance	$	256,890

Summary of Carrying Value of Assets

As of June 30, 2019 and December 31, 2018, the carrying values of these assets were as follows (in thousands):

	June 30, 2019							December 31, 2018
	Gross							Gross
	Carrying		Accumulated			Net		Carrying		Accumulated			Net
	Amount		Amortization			Amount		Amount		Amortization			Amount
Acquired client contracts	$	147,990	$	(87,760	)	$	60,230	$	148,148	$	(82,692	)	$	65,456
Software		155,763		(122,441	)		33,322		155,781		(119,381	)		36,400
Total intangible assets	$	303,753	$	(210,201	)	$	93,552	$	303,929	$	(202,073	)	$	101,856

Summary of Carrying Values of Client Contract Cost Assets

As of June 30, 2019 and December 31, 2018, the carrying values of our client contract cost assets, related to those contracts with a contractual term greater than one year, were as follows (in thousands):

	June 30, 2019							December 31, 2018
	Gross							Gross
	Carrying		Accumulated			Net		Carrying		Accumulated			Net
	Amount		Amortization			Amount		Amount		Amortization			Amount
Client contract costs	$	69,893	$	(30,169	)	$	39,724	$	80,340	$	(43,051	)	$	37,289