Fair Value Measurements - Summary of Strategic Investments (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Jan. 31, 2023
Fair Value Disclosures [Abstract]
Non-marketable equity securities under Measurement Alternative	$ 192,046	$ 174,248
Non-marketable equity securities under equity method	5,165	5,066
Marketable equity securities	27,119	22,122
Non-marketable debt securities	1,500	1,500
Total strategic investments—included in other assets	225,830	202,936
Cash equivalents:	$ 458,725	$ 539,389