Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Cash flows from operating activities
Net loss	$ (92,262)	$ (242,939)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	11,160	8,065
Amortization of deferred contract acquisition costs	31,229	21,860
Net amortization on marketable securities	(10,745)	860
Stock-based compensation expense	187,145	189,706
Charitable donation of Class A common stock	4,215	5,499
Amortization of operating lease right-of-use assets	6,299	4,597
Provision for deferred income taxes	(57)	1,505
Abandonment and impairment charges	0	2,881
Other non-cash charges (credits), net	965	(1,031)
Changes in operating assets and liabilities:
Accounts receivable	147,725	51,707
Contract assets	(9,455)	(26,146)
Deferred contract acquisition costs	(36,389)	(39,572)
Prepaid expenses and other assets	(6,679)	(4,277)
Accounts payable	(6,033)	2,759
Accrued expenses and other liabilities	(4,229)	(14,507)
Accrued compensation and employee benefits	(74,184)	(45,042)
Operating lease liabilities, net	(7,532)	(2,422)
Deferred revenue	(29,547)	9,876
Net cash provided by (used in) operating activities	111,626	(76,621)
Cash flows from investing activities
Purchases of marketable securities	(709,199)	(45,600)
Maturities of marketable securities	338,644	47,433
Purchases of property and equipment	(2,876)	(16,298)
Payments related to business acquisitions, net of cash acquired	0	(29,477)
Other investing, net	2,754	(507)
Net cash used in investing activities	(370,677)	(44,449)
Cash flows from financing activities
Proceeds from exercise of stock options	3,904	4,682
Payments of tax withholdings on net settlement of equity awards	(52,832)	(38,717)
Net payments of tax withholdings on sell-to-cover equity award transactions	(679)	(10,132)
Proceeds from employee stock purchase plan contributions	9,643	8,507
Payment of deferred consideration related to business acquisition	(5,863)	0
Repurchase of unvested early exercised stock options	0	(1,493)
Net cash used in financing activities	(45,827)	(37,153)
Effect of exchange rate changes	(2,943)	(3,144)
Net decrease in cash, cash equivalents, and restricted cash	(307,821)	(161,367)
Cash, cash equivalents and restricted cash - beginning of period	1,402,119	1,768,723
Cash, cash equivalents and restricted cash - end of period	1,094,298	1,607,356
Supplemental disclosure of cash flow information
Cash paid for interest	413	527
Cash paid for income taxes	7,234	17,610
Supplemental disclosure of non-cash investing and financing activities
Reduction in accrued expenses and other liabilities for vesting of early exercised stock options	0	1,355
Value of shares issued in payment of business acquisitions	0	2,965
Payable for marketable securities purchase	0	3,638
Loan notes issued in connection with business acquisitions	0	11,433
Tax withholdings on net settlement of restricted stock units, accrued but not yet paid	$ 2,466	$ 5,129