Operating Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 2,615	$ 2,064
Operating lease ROU assets obtained in exchange for new operating lease liabilities	$ 1,993	$ 770