Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenue	$ 203,591	$ 166,340	$ 579,769	$ 494,979
Cost of revenue	68,793	45,968	192,319	124,439
Gross profit	134,798	120,372	387,450	370,540
Operating expenses:
Research and development	53,362	45,773	153,460	131,245
Sales and marketing	97,723	92,392	293,603	266,906
General and administrative	35,614	30,249	113,193	89,481
Total operating expenses	186,699	168,414	560,256	487,632
Loss from operations	(51,901)	(48,042)	(172,806)	(117,092)
Other income (expense):
Interest income	575	1,734	2,237	6,735
Interest expense	(1,228)	(6,229)	(3,682)	(18,549)
Other expense	(268)	(811)	(647)	(1,810)
Loss before income taxes	(52,822)	(53,348)	(174,898)	(130,716)
Income tax provision	763	564	816	1,276
Net loss	(53,585)	(53,912)	(175,714)	(131,992)
Net loss and adjustment attributable to redeemable non-controlling interest	(9,121)	286	(19,175)	1,059
Net loss attributable to New Relic	$ (62,706)	$ (53,626)	$ (194,889)	$ (130,933)
Net loss attributable to New Relic per share, basic (in dollars per share)	$ (0.96)	$ (0.88)	$ (3.04)	$ (2.16)
Net loss attributable to New Relic per share, diluted (in dollars per share)	$ (0.96)	$ (0.88)	$ (3.04)	$ (2.16)
Weighted-average shares used to compute net loss per share, basic (in shares)	64,983	61,209	64,203	60,562
Weighted-average shares used to compute net loss per share, diluted (in shares)	64,983	61,209	64,203	60,562