Summary of Significant Accounting Policies - Significant Segment Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 1,610,572	$ 1,429,664	$ 1,308,072
Significant segment expenses:
Amortization of acquired intangible assets	8,200	6,700	8,600
Interest income	(48,023)	(49,422)	(57,130)
(Benefit from) provision for income taxes	(181,702)	(4,406)	14,068
Net income (loss)	282,330	(73,694)	(89,883)
Licenses
Segment Reporting Information [Line Items]
Total revenue	606,394	587,162	621,392
Subscription services
Segment Reporting Information [Line Items]
Total revenue	954,472	801,947	649,918
Professional services and other
Segment Reporting Information [Line Items]
Total revenue	49,706	40,555	36,762
Reportable Segment
Segment Reporting Information [Line Items]
Total revenue	1,610,572	1,429,664	1,308,072
Significant segment expenses:
Adjusted sales and marketing	587,375	583,898	560,009
Adjusted research and development	250,012	242,679	210,722
Adjusted general and administrative	161,131	154,965	141,166
Other segment items	308,955	361,393	356,909
Amortization of acquired intangible assets	8,191	6,711	8,600
Interest income	(48,023)	(49,422)	(57,130)
(Benefit from) provision for income taxes	(181,702)	(4,406)	14,068
Net income (loss)	282,330	(73,694)	(89,883)
Reportable Segment | Licenses
Significant segment expenses:
Adjusted cost of revenue	4,343	5,818	7,098
Reportable Segment | Subscription services
Significant segment expenses:
Adjusted cost of revenue	139,545	142,654	94,265
Reportable Segment | Professional services and other
Significant segment expenses:
Adjusted cost of revenue	$ 98,415	$ 59,068	$ 62,248