CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
CONSOLIDATED STATEMENTS OF EARNINGS
REVENUES	$ 455,040	$ 509,370	$ 392,206
Cost of revenues	368,679	409,638	330,139
GROSS PROFIT	86,361	99,732	62,067
Selling, general and administrative expenses	44,692	47,321	39,041
Impairment loss		7,901
INCOME FROM OPERATIONS	41,669	44,510	23,026
Other income, net	4,331	2,552	1,859
INCOME BEFORE INCOME TAXES	46,000	47,062	24,885
Income tax expense	11,296	11,356	1,074
NET INCOME	34,704	35,706	23,811
Net income (loss) attributable to non-controlling interest	1,606	(2,538)	(40)
NET INCOME ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC.	33,098	38,244	23,851
Foreign currency translation adjustments	(425)	(1,370)	35
COMPREHENSIVE INCOME ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC.	$ 32,673	$ 36,874	$ 23,886
NET INCOME PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN, INC.
Basic (in Dollars per share)	$ 2.35	$ 2.43	$ 1.52
Diluted (in dollars per share)	$ 2.33	$ 2.40	$ 1.51
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING
Basic	14,083	15,715	15,668
Diluted	14,176	15,913	15,825
CASH DIVIDENDS PER SHARE	$ 1.00	$ 1.00	$ 3.00