CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Revenues:
Total revenues	$ 725,289	$ 541,643	$ 389,719
Cost of revenues:
Total cost of revenues	313,236	221,701	139,216
Gross profit	412,053	319,942	250,503
Operating expenses:
Research and development	166,486	133,842	93,089
Sales and marketing	327,786	236,312	155,216
General and administrative	161,865	116,341	75,623
Total operating expenses	656,137	486,495	323,928
Loss from operations	(244,084)	(166,553)	(73,425)
Interest expense	(122,741)	(91,271)	(37,658)
Other income (expense), net	(4,883)	13,321	9,316
Loss before benefit from income taxes	(371,708)	(244,503)	(101,767)
Benefit from income taxes	(2,602)	(64,386)	(10,935)
Net loss	(369,106)	(180,117)	(90,832)
Net loss attributable to redeemable non-controlling interests	(1,063)	0	0
Adjustment to redeemable non-controlling interest	10,996	0	0
Net loss attributable to Coupa Software Incorporated	$ (379,039)	$ (180,117)	$ (90,832)
Net loss per share, attributable to Coupa Software Incorporated, Basic (in dollars per share)	$ (5.13)	$ (2.63)	$ (1.45)
Net loss per share, attributable to Coupa Software Incorporated, Diluted (in dollars per share)	$ (5.13)	$ (2.63)	$ (1.45)
Weighted-average number of shares used in computing net loss per share, Basic (in shares)	73,816	68,559	62,484
Weighted-average number of shares used in computing net loss per share, Diluted (in shares)	73,816	68,559	62,484
Subscription
Revenues:
Total revenues	$ 634,034	$ 470,341	$ 345,261
Cost of revenues:
Total cost of revenues	209,799	147,374	89,452
Professional services and other
Revenues:
Total revenues	91,255	71,302	44,458
Cost of revenues:
Total cost of revenues	$ 103,437	$ 74,327	$ 49,764