Leases - Supplemental Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance lease	$ 3,173	$ 3,440
Operating cash flows from operating leases	8,846	5,895
Financing cash flows from finance lease	5,572	4,633	$ 1,915
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$ 14,434	$ 30,805
Weighted-average remaining lease term (in years):
Finance lease	7 years 10 months 24 days	8 years 10 months 24 days
Operating leases	7 years	7 years 10 months 24 days
Weighted-average discount rate:
Finance lease	5.60%	5.60%
Operating leases	4.20%	4.50%