Commitment and Contingencies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Cash payments (receipts) included in the measurement of operating lease liabilities – operating cash flows	$ 38,249	$ 31,281	$ 13,458
Operating lease liabilities arising from obtaining right-of-use assets	$ 28,314	$ 11,506	$ 194,712