ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Numerator [Abstract]
Net income applicable to common stockholders - basic	$ 1,576	$ 7,270	$ 9,446	$ 18,922
Common Stock [Member]
Numerator [Abstract]
Net income applicable to common stockholders - basic	342	1,531	2,047	3,983
Effect of dilutive securities [Abstract]
Restricted stock awards	4	68	53	155
Net income applicable to common stockholders - diluted	$ 346	$ 1,599	$ 2,100	$ 4,138
Denominator [Abstract]
Denominator for basic EPS - weighted average common shares (in shares)	9,145	8,813	9,144	8,812
Effect of dilutive securities [Abstract]
Restricted stock awards (in shares)	136	585	335	501
Denominator for diluted EPS - weighted average common equivalent shares (in shares)	9,281	9,398	9,479	9,313
Class A Common Stock [Member]
Numerator [Abstract]
Net income applicable to common stockholders - basic	$ 1,234	$ 5,739	$ 7,399	$ 14,939
Effect of dilutive securities [Abstract]
Restricted stock awards	(4)	(68)	(53)	(155)
Net income applicable to common stockholders - diluted	$ 1,230	$ 5,671	$ 7,346	$ 14,784
Denominator [Abstract]
Denominator for basic EPS - weighted average common shares (in shares)	29,503	29,431	29,506	29,442
Effect of dilutive securities [Abstract]
Restricted stock awards (in shares)	37	244	104	195
Denominator for diluted EPS - weighted average common equivalent shares (in shares)	29,540	29,675	29,610	29,637