Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Deferred tax liabilities:
Property, plant and equipment	$ 167,257	$ 148,505
Prepaid and other assets	2,299	1,911
Total deferred tax liabilities	169,556	150,416
Deferred tax assets:
Accrued expenses and accounts receivable	8,311	8,172
Inventory	1,441	1,155
Compensation on restricted stock	4,543	7,528
State income tax credits	8,576	9,333
Federal credits	3,184	600
Other	1,004	672
Valuation allowance	(2,452)	(5,637)
Net operating loss	3,277	54,461
Total deferred tax assets	27,884	76,284
Net deferred tax liabilities	$ 141,672	$ 74,132