CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	AOCI Attributable to Parent [Member]	Additional Paid-in Capital [Member]	Common Stock [Member]
Comprehensive income (loss):
Stockholders' Equity Attributable to Parent	$ 345,104		$ 97,717		$ (3,220)	$ 250,607
BALANCE (in shares) at Jan. 31, 2021							22,335
Increase (Decrease) in Stockholders' Equity
Common stock issued on grant of restricted stock (net of forfeitures), exercise of stock options and warrants, and tax benefits of equity awards	(1,012)					(1,012)
Common stock issued on grant of restricted stock (net of forfeitures), exercise of stock options and warrants, and tax benefits of equity awards (in shares)							35
Stock-based compensation expense	2,554					2,554
Net Income (Loss) Attributable to Parent	66,047		66,047
Comprehensive income (loss):
Total Other Comprehensive Income (Loss)	(3,671)				(3,671)
BALANCE (in shares) at Jan. 31, 2022							22,588
Comprehensive income (loss):
Stockholders' Equity, Other		$ (204)		$ 0
Stockholders' Equity Attributable to Parent	435,199		182,916		(2,172)	254,455
Common stock issued on grant of restricted stock (net of forfeitures), exercise of stock options and warrants, and tax benefits of equity awards	(1,144)					(1,144)
Common stock issued on grant of restricted stock (net of forfeitures), exercise of stock options and warrants, and tax benefits of equity awards (in shares)							110
Stock-based compensation expense	3,230					3,230
Net Income (Loss) Attributable to Parent	101,868		101,868
Total Other Comprehensive Income (Loss)	(2,847)				(2,847)
BALANCE (in shares) at Jan. 31, 2023							22,698
Comprehensive income (loss):
Stockholders' Equity Attributable to Parent	536,306		284,784		(5,019)	256,541
Common stock issued on grant of restricted stock (net of forfeitures), exercise of stock options and warrants, and tax benefits of equity awards	(1,004)					(1,004)
Common stock issued on grant of restricted stock (net of forfeitures), exercise of stock options and warrants, and tax benefits of equity awards (in shares)							150
Stock-based compensation expense	3,120					3,120
Net Income (Loss) Attributable to Parent	112,441		112,441
Total Other Comprehensive Income (Loss)	6,779				6,779
BALANCE (in shares) at Jan. 31, 2024							22,848
Comprehensive income (loss):
Stockholders' Equity Attributable to Parent	$ 657,642		$ 397,225		$ 1,760	$ 258,657