Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Company’s goodwill balance for each of the two years in the period ended December 31, 2016 are summarized in the table below (in thousands):



Balance at December 31, 2013	$	33,630
Acquired in business combinations	12,313
Finalization of 2013 business combination	—
Foreign currency translation adjustment	(797		)
Balance at December 31, 2014	45,146
Acquired in business combinations	4,700
Adjustment due to finalization of 2014 business combination	(120		)
Foreign currency translation adjustment	(2,304		)
Balance at December 31, 2015	47,422
Acquired in business combinations	25,037
Divestiture of business	(3,775		)
Adjustment due to prior year business combinations	57
Foreign currency translation adjustment	356
Balance at December 31, 2016	$	69,097

Schedule of Finite-Lived Intangible Assets

The following is a summary of the Company’s intangible assets, net (in thousands):



	Estimated Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
December 31, 2016
Customer relationships	1-10	$	32,703	$	12,418	$	20,285
Trade name	1.5-3	2,636		2,462		174
Developed technology	4-7	15,228		7,175		8,053
Total intangible assets		$	50,567	$	22,055	$	28,512



	Estimated Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
December 31, 2015
Customer relationships	1-10	$	31,848	$	9,054	$	22,794
Trade name	1-3	2,909		2,476		433
Developed technology	4-7	13,808		5,509		8,299
Total intangible assets		$	48,565	$	17,039	$	31,526

Schedule of Weighted-Average Amortization Period

The following table summarizes the Company’s weighted-average amortization period, in total and by major finite-lived intangible asset class, by acquisition during the year ended December 31 (in years):



	2016	2015
Customer relationships	9.3	9.3
Trade name	2.8	2.9
Developed technology	6.3	6.4
Total weighted-average amortization period	8.0	8.1

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

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



	Amortization Expense
Year ending December 31:
2017	$	6,006
2018	5,663
2019	4,857
2020	3,891
2021	3,496
2022 and thereafter	4,599
Total	$	28,512