Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

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

Balance at December 31, 2018	$	327,992
Purchase price allocation for acquisitions	7,960
Effect of foreign currency translation adjustments	31
Balance at June 30, 2019	$	335,983

Intangible Assets

The following table presents a summary of the Company’s intangible assets that are subject to amortization (in thousands):

 

	June 30, 2019							December 31, 2018
	Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts		Gross Carrying Amounts		Accumulated Amortization			Net Carrying Amounts
Customer relationships	$	86,279	$	(47,421	)	$	38,858	$	82,478	$	(40,946	)	$	41,532
Non-compete agreements	1,371		(569		)	802		1,536		(735		)	801
Customer backlog	1,242		(591		)	651		1,535		(736		)	799
Trade name	130		(65		)	65		140		(76		)	64
Developed software	10,699		(5,971		)	4,728		10,929		(6,033		)	4,896
Total	$	99,721	$	(54,617	)	$	45,104	$	96,618	$	(48,526	)	$	48,092

Estimated Useful Lives of Intangible Assets

The estimated useful lives of identifiable intangible assets are as follows:

 

Customer relationships	5 - 10 years
Non-compete agreements	3 - 5 years
Customer backlog	9 months - 1.5 years
Trade name	1 year
Developed software	2 - 7 years

Estimated Annual Amortization Expense

Estimated annual amortization expense for the next five years ended December 31 and thereafter is as follows: (in thousands):

2019 remaining	$	8,120
2020	$	12,553
2021	$	10,273
2022	$	8,758
2023	$	4,337
Thereafter	$	1,063