Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Stockholders' equity, beginning balance at Oct. 31, 2016		$ 132,790	$ 176	$ 70,403	$ 118,673	$ (56,462)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(697)			(697)
Other comprehensive income, net of tax		14,225				14,225
Reclassification of stranded tax effects						(6,358)
Restricted stock and exercise of stock options		78	3	75
Issuance of common stock		(40,227)	(52)	(40,175)
Stock-based compensation cost		1,698		1,698
Stockholders' equity, ending balance at Oct. 31, 2017		188,321	231	112,351	117,976	(42,237)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		11,479			11,479
Other comprehensive income, net of tax		(2,335)				(2,335)
Reclassification of stranded tax effects	[1]	0			6,358	(6,358)
Restricted stock and exercise of stock options		73	3	70
Issuance of common stock		0
Stock-based compensation cost		1,984		1,984
Stockholders' equity, ending balance at Oct. 31, 2018		199,522	234	114,405	135,813	(50,930)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(19,947)			(19,947)
Other comprehensive income, net of tax		(14,096)				(14,096)
Restricted stock and exercise of stock options		0	4	(4)
Issuance of common stock		0
Stock-based compensation cost		2,035		2,035
Stockholders' equity, ending balance at Oct. 31, 2019		$ 167,514	$ 238	$ 116,436	$ 115,866	$ (65,026)

[1] The adoption of ASU 2018-02 required reclassification from accumulated other comprehensive loss to retained earnings for stranded tax effects in accumulated other comprehensive loss results from the Tax Cuts and Jobs Act of 2017.