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Note 10 - Operating and Reporting Segments - Financial Information Relating to Segment Financial Position (Details) - USD ($)
$ in Thousands
Oct. 31, 2019
Oct. 31, 2018
Assets $ 1,881,424 $ 1,662,042
Investments in and advances to unconsolidated joint ventures 127,038 123,694
Corporate, Non-Segment [Member]    
Assets 186,046 229,515
Investments in and advances to unconsolidated joint ventures 1,181 1,382
Homebuilding [Member]    
Assets 1,682,149 1,497,162
Investments in and advances to unconsolidated joint ventures 127,038 123,694
Homebuilding [Member] | Operating Segments [Member]    
Assets 1,496,103 1,267,647
Investments in and advances to unconsolidated joint ventures 125,857 122,312
Homebuilding [Member] | Northeast [Member] | Operating Segments [Member]    
Assets 163,342 152,607
Investments in and advances to unconsolidated joint ventures 49,340 51,094
Homebuilding [Member] | Mid-Atlantic [Member] | Operating Segments [Member]    
Assets 264,894 217,807
Investments in and advances to unconsolidated joint ventures 9,166 7,307
Homebuilding [Member] | Midwest [Member] | Operating Segments [Member]    
Assets 117,242 85,398
Investments in and advances to unconsolidated joint ventures 4,382 3,738
Homebuilding [Member] | Southeast [Member] | Operating Segments [Member]    
Assets 281,654 246,497
Investments in and advances to unconsolidated joint ventures 52,983 39,509
Homebuilding [Member] | Southwest [Member] | Operating Segments [Member]    
Assets 357,052 320,452
Investments in and advances to unconsolidated joint ventures 10,019 18,219
Homebuilding [Member] | West [Member] | Operating Segments [Member]    
Assets 311,919 244,886
Investments in and advances to unconsolidated joint ventures (33) 2,445
Financial Services [Member]    
Assets 199,275 164,880
Financial Services [Member] | Operating Segments [Member]    
Assets $ 199,275 $ 164,880