Note 17 - Operating and Reporting Segments - Financial Information Relating to Segment Financial Position (Details) - USD ($) $ in Thousands	Apr. 30, 2024	Oct. 31, 2023
Segment Reporting Information [Line Items]
Assets	$ 2,317,646	$ 2,492,940
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Assets	517,125	820,466
Home Building [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	1,657,962	1,503,803
Home Building [Member] | Northeast [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	580,881	483,784
Home Building [Member] | Southeast [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	298,069	286,701
Home Building [Member] | West [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	779,012	733,318
Financial Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	$ 142,559	$ 168,671