COMMITMENTS - Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Operating leases, options to extend	true
Operating leases, options to terminate	true
Operating lease, right-of-use assets	$ 4,800	$ 3,600
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Operating Lease Right Of Use Asset, and Other Assets	Operating Lease Right Of Use Asset, and Other Assets
Operating lease expense	$ 2,554	$ 3,391	$ 1,820
Operating lease payments	$ 2,600	$ 3,300	2,000
Weighted average lease term	58 months	46 months
Weighted average discount rate	3.70%	2.50%
Future minimum lease payment	$ 3,700	$ 3,500	3,000
Annual rental rate	1,653
Unsatisfied bonded performance obligations	600
Company's expense for defined contribution savings plans	$ 2,700	2,300	1,900
Minimum
Deferred period	4 years
Maximum
Deferred period	7 years
GPS | Financial guarantee
Guarantor obligation maximum exposure	$ 3,600
Costs of Revenues [Member]
Short-term rentals expense	$ 11,300	$ 9,600	$ 6,100