ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Numerator [Abstract]
Net income applicable to common and Class A common stockholders - basic	$ 2,799	$ 5,798	$ 7,870	$ 11,652
Common Stock [Member]
Numerator [Abstract]
Net income applicable to common and Class A common stockholders - basic	607	1,221	1,705	2,453
Effect of dilutive securities [Abstract]
Restricted stock awards	13	49	51	88
Net income applicable to common stockholders - diluted	$ 620	$ 1,270	$ 1,756	$ 2,541
Denominator [Abstract]
Denominator for basic EPS - weighted average common shares (in shares)	9,144	8,811	9,143	8,810
Effect of dilutive securities [Abstract]
Restricted stock awards (in shares)	303	531	391	461
Denominator for diluted EPS - weighted average common equivalent shares (in shares)	9,447	9,342	9,534	9,271
Class A Common Stock [Member]
Numerator [Abstract]
Net income applicable to common and Class A common stockholders - basic	$ 2,192	$ 4,577	$ 6,165	$ 9,198
Effect of dilutive securities [Abstract]
Restricted stock awards	(13)	(49)	(51)	(88)
Net income applicable to common stockholders - diluted	$ 2,179	$ 4,528	$ 6,114	$ 9,110
Denominator [Abstract]
Denominator for basic EPS - weighted average common shares (in shares)	29,500	29,424	29,508	29,432
Effect of dilutive securities [Abstract]
Restricted stock awards (in shares)	131	225	135	172
Denominator for diluted EPS - weighted average common equivalent shares (in shares)	29,631	29,649	29,643	29,604

Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of stock options or restrictive stock units (RSUs).

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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