Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the fiscal years ended December 31 were as follows:

	2019			2018
Balance as of January 1	$	715,644		$	686,108
Goodwill resulting from business combination - The Future Customer		—			7,597
Goodwill resulting from  business combination - DMS Disaster Consultants		(50	)		10,121
Goodwill resulting from business combination - We Are Vista		(370	)		14,392
Goodwill resulting from business combination - Olson (1)		3,047			—
Effect of foreign currency translation		1,663			(2,574	)
Total goodwill	$	719,934		$	715,644

1) In 2019, the Company recorded changes to goodwill representing an immaterial correction of an error for income tax balances related to acquired assets and liabilities from the business combination that occurred in 2014.  These balances were not significant to our previously reported financial position.

2) Other adjustments to goodwill are measurement period adjustments.

Schedule of Other Intangibles

Other intangibles consisted of the following at December 31:    

	2019
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Customer-related	$	95,038	$	(69,425	)	$	25,613
Developed technology		733		(612	)		121
Total amortizable intangible assets		95,771		(70,037	)		25,734
Intangible with indefinite life		95		—			95
Total other intangible assets	$	95,866	$	(70,037	)	$	25,829

	2018
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Customer-related	$	94,500	$	(59,289	)	$	35,211
Developed technology		733		(545	)		188
Total amortizable intangible assets		95,233		(59,834	)		35,399
Intangible with indefinite life		95		—			95
Total other intangible assets	$	95,328	$	(59,834	)	$	35,494

Schedule of Estimated Future Amortization Expense Relating to Intangible Assets

The estimated future amortization expense relating to intangible assets is as follows: 

Year ending December 31,
2020	$	6,283
2021		5,306
2022		4,992
2023		4,615
2024		4,141
Thereafter		397
Total	$	25,734