Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Company’s goodwill balance for each of the two years ended December 31, 2015 are summarized in the table below (in thousands):



Balance at December 31, 2013	$	33,630
Acquired in business combinations	12,313
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

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, 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



	Estimated Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
December 31, 2014
Customer relationships	10	$	30,053	$	5,813	$	24,240
Trade name	1-3	2,812		2,027		785
Developed technology	4-7	13,305		3,579		9,726
Total intangible assets		$	46,170	$	11,419	$	34,751

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):



	2015	2014
Customer relationships	9.3	9.7
Trade name	2.9	2.8
Developed technology	6.4	6.4
Total weighted-average amortization period	8.1	8.4

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:
2016	$	6,626
2017	5,537
2018	5,228
2019	4,389
2020	3,394
2021 and thereafter	6,352
Total	$	31,526