CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss [Member]	Total
Balances at Oct. 31, 2020	$ 657	$ 60,997	$ 172,484	$ (2,990)	$ 231,148
Balances (in shares) at Oct. 31, 2020	6,565,163
Net income			4,668		4,668
Other comprehensive income (loss)				1,969	1,969
Stock-based compensation expense, net of taxes withheld for vested restricted shares	$ 3				1,882
Stock-based compensation expense, net of taxes withheld for vested restricted shares (in shares)	36,243
Stock-based compensation expense, net of taxes withheld for vested restricted shares		1,879
Dividends paid			(2,740)		(2,740)
Balances at Jul. 31, 2021	$ 660	62,876	174,412	(1,021)	236,927
Balances (in shares) at Jul. 31, 2021	6,601,406
Balances at Apr. 30, 2021	$ 660	62,177	173,795	(32)	236,600
Balances (in shares) at Apr. 30, 2021	6,601,406
Net income			1,568		1,568
Other comprehensive income (loss)				(989)	(989)
Stock-based compensation expense, net of taxes withheld for vested restricted shares					699
Stock-based compensation expense, net of taxes withheld for vested restricted shares		699
Dividends paid			(951)		(951)
Balances at Jul. 31, 2021	$ 660	62,876	174,412	(1,021)	236,927
Balances (in shares) at Jul. 31, 2021	6,601,406
Balances at Oct. 31, 2021	$ 662	63,924	175,574	(1,741)	238,419
Balances (in shares) at Oct. 31, 2021	6,617,717
Net income			6,802		6,802
Other comprehensive income (loss)				(11,931)	(11,931)
Stock-based compensation expense, net of taxes withheld for vested restricted shares	$ 3				2,178
Stock-based compensation expense, net of taxes withheld for vested restricted shares (in shares)	33,761
Stock-based compensation expense, net of taxes withheld for vested restricted shares		2,175
Exercise of common stock options	$ 1	116			117
Exercise of common stock options (in shares)	5,437
Stock repurchases	$ (9)	(2,881)			(2,890)
Stock repurchases (in shares)	(89,921)
Dividends paid			(2,927)		(2,927)
Balances at Jul. 31, 2022	$ 657	63,334	179,449	(13,672)	229,768
Balances (in shares) at Jul. 31, 2022	6,566,994
Balances at Apr. 30, 2022	$ 657	62,543	179,215	(10,764)	231,651
Balances (in shares) at Apr. 30, 2022	6,566,994
Net income			1,238		1,238
Other comprehensive income (loss)				(2,908)	(2,908)
Stock-based compensation expense, net of taxes withheld for vested restricted shares					791
Stock-based compensation expense, net of taxes withheld for vested restricted shares		791
Dividends paid			(1,004)		(1,004)
Balances at Jul. 31, 2022	$ 657	$ 63,334	$ 179,449	$ (13,672)	$ 229,768
Balances (in shares) at Jul. 31, 2022	6,566,994