Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Oct. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in Goodwill

The following tables represent the changes in goodwill (in thousands):

Balance at January 31, 2019	$	209,560
Additions from acquisition		161,512
Adjustment		(203	)
Balance at October 31, 2019	$	370,869

Summary of Other Intangible Assets Balances

The following table summarizes the other intangible assets balances (in thousands):

			As of
			October 31, 2019							January 31, 2019
	Weighted Average Remaining Useful Lives (in years)		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technology		4.1	$	93,836	$	(20,934	)		72,902	$	48,435	$	(9,198	)	$	39,237
Customer relationships		4.1		29,994		(6,323	)		23,671		18,894		(2,363	)		16,531
Trademarks		0.6		845		(570	)		275		345		(188	)		157
Total other intangible assets			$	124,675	$	(27,827	)	$	96,848	$	67,674	$	(11,749	)	$	55,925

Future Amortization Expense of Other Intangible Assets

As of October 31, 2019, the future amortization expense of other intangible assets is as follows (in thousands):

Year Ending January 31,
2020 (remaining three months)	$	6,514
2021		25,609
2022		25,053
2023		20,500
2024		15,435
Thereafter		3,737
Total	$	96,848