Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Income Tax Disclosure [Abstract]
Income tax expense	$ 2,168	$ 2,506	$ 4,623	$ 4,309
Unrecognized tax benefits, reserve	$ 100		$ 200