Leases - Supplemental Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance lease	$ 676	$ 750
Operating cash flows from operating leases	2,983	2,722
Financing cash flows from finance lease	1,342	595
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$ 1,177	$ 5,744
Weighted-average remaining lease term as of period end (in years):
Finance lease	6 years 8 months 12 days	7 years 8 months 12 days
Operating leases	5 years 10 months 24 days	6 years 7 months 6 days
Weighted-average discount rate:
Finance lease	5.60%	5.60%
Operating leases	5.60%	5.00%