Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Income tax disclosures [Line Items]
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	5.00%	4.30%	4.60%
Valuation allowance - reversed	$ 0	$ (32,154)	$ 0
Valuation allowance - recognized	$ 0	$ 0	$ 1,018
State and Local Jurisdiction [Member]
Income tax disclosures [Line Items]
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	6.60%	6.50%	7.10%
State Net Operating Loss Carryforwards [Member] | Minimum [Member]
Income tax disclosures [Line Items]
net operating loss, carryback expiration periods	5 years
State Net Operating Loss Carryforwards [Member] | Maximum [Member]
Income tax disclosures [Line Items]
net operating loss, carryback expiration periods	20 years