Earnings Per Share Reconciliation of Numerator and Denominator of the basic and diluted earnings per share computation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Equity [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount									143	117	225
Net income available to common stockholders	$ (2,513)	$ 1,981	$ 6,353	$ 2,443	$ 1,027	$ 8,349	$ 8,129	$ 4,939	$ 8,264	$ 22,444	$ 21,570
Basic weighted average number of common shares	17,292	17,227	17,211	17,215	17,180	17,118	17,081	17,113	17,287	17,145	16,982
Stock options									23	70	48
Diluted weighted average number of common shares	17,292	17,246	17,236	17,255	17,229	17,175	17,158	17,208	17,310	17,215	17,030
Basic earnings per share	$ (0.14)	$ 0.11	$ 0.37	$ 0.14	$ 0.05	$ 0.49	$ 0.48	$ 0.29	$ 0.48	$ 1.31	$ 1.27
Diluted earnings per share	$ (0.14)	$ 0.11	$ 0.37	$ 0.14	$ 0.05	$ 0.49	$ 0.47	$ 0.29	$ 0.48	$ 1.30	$ 1.27