Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Income Statement [Abstract]
Net sales and revenue	$ 158,340	$ 161,231
Cost of sales (includes $24,849 and $30,647 with related parties for the three months ended April 30, 2025 and 2024, respectively.)	143,998	146,780
Gross profit	14,342	14,451
Selling, general and administrative expenses	(5,944)	(6,111)
Equity in income of unconsolidated affiliates	1,006	1,718
Interest and other income, net	4,222	5,905
Income before income taxes	13,626	15,963
Provision for income taxes	(2,954)	(3,690)
Net income	10,672	12,273
Net income attributable to non-controlling interests	(1,994)	(2,082)
Net income attributable to REX common shareholders	$ 8,678	$ 10,191
Weighted average shares outstanding – basic (in Shares)	16,939,000	17,546,000
Basic net income per share attributable to REX common shareholders (in Dollars per share)	$ 0.51	$ 0.58
Weighted average shares outstanding – diluted (in Shares)	16,939,000	17,664,000
Diluted net income per share attributable to REX common shareholders (in Dollars per share)	$ 0.51	$ 0.58