Consolidated Condensed Statement of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Income Statement [Abstract]
Net sales and revenue	$ 212,714	$ 194,228
Cost of sales (includes $33,848 and $30,765 with related parties for the three months ended April 30, 2023 and 2022, respectively.)	197,685	182,316
Gross profit	15,029	11,912
Selling, general and administrative expenses	(10,632)	(5,203)
Equity in income of unconsolidated affiliates	1,490	1,951
Interest and other income, net	2,801	174
Income before income taxes	8,688	8,834
Provision for income taxes	(1,988)	(1,848)
Net income	6,700	6,986
Net income attributable to noncontrolling interests	(1,464)	(1,804)
Net income attributable to REX common shareholders	$ 5,236	$ 5,182
Weighted average shares outstanding – basic and diluted (in Shares)	17,439	17,836
Basic and diluted net income per share attributable to REX common shareholders (in Dollars per share)	$ 0.3	$ 0.29