Fair Value Measurements - Summary of Strategic Investments (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jan. 31, 2024
Fair Value Disclosures [Abstract]
Non-marketable equity securities under Measurement Alternative	$ 295,506	$ 190,238
Non-marketable equity securities under equity method	5,436	5,307
Marketable equity securities	13,255	37,320
Non-marketable debt securities	1,750	1,500
Total strategic investments—included in other assets	$ 315,947	$ 234,365