Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Company’s goodwill balance for the three months ended March 31, 2017 are summarized in the table below (in thousands):



Balance at December 31, 2016	$	69,097
Acquired in business combinations	13,574
Foreign currency translation adjustment	132
Balance at March 31, 2017	$	82,803

Summary of intangible assets, net

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
March 31, 2017:
Customer relationships	1-10	$	36,358	$	13,396	$	22,962
Trade name	1.5-3	2,808		2,564		244
Developed technology	4-7	19,704		7,977		11,727
Total intangible assets		$	58,870	$	23,937	$	34,933



	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

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 (in years), as of:



	March 31, 2017	December 31, 2016
Customer relationships	9.3	9.3
Trade name	2.7	2.8
Developed technology	6.5	6.3
Total weighted-average amortization period	8.0	8.0

Estimated annual amortization expense

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



	Amortization Expense
Year ending December 31:
Remainder of 2017	$	5,344
2018	6,719
2019	5,854
2020	4,887
2021 and thereafter	12,129
Total	$	34,933