Note 1 - Basis of Presentation	12 Months Ended
Oct. 31, 2021
Notes to Financial Statements
Basis of Presentation and Significant Accounting Policies [Text Block]	1. Basis of Presentation Basis of Presentation - The accompanying Consolidated Financial Statements have been prepared in accordance with generally accepted accounting principles in the United States of America (“US GAAP”) and include Hovnanian Enterprises, Inc.’s (“HEI”) accounts and those of all its consolidated subsidiaries, after elimination of all intercompany balances and transactions. HEI’s fiscal year ends October 31. Noncontrolling interest represents the proportionate equity interest in a consolidated joint venture that is not 100% owned by the Company. One of HEI's subsidiaries owns a 99% controlling interest in the consolidated joint venture and therefore HEI is required to consolidate the joint venture within its Consolidated Financial Statements. The 1% that we do not own is accounted for as noncontrolling interest. Another one of HEI's subsidiaries owns an 80% controlling interest in a consolidated joint venture, and therefore HEI is required to consolidate the joint venture within its Consolidated Financial Statements. The 20% that the Company does not own is accounted for as noncontrolling interest.

Note 1 - Basis of Presentation

12 Months Ended

Oct. 31, 2021

Basis of Presentation and Significant Accounting Policies [Text Block]

1. Basis of Presentation

Basis of Presentation - The accompanying Consolidated Financial Statements have been prepared in accordance with generally accepted accounting principles in the United States of America (“US GAAP”) and include Hovnanian Enterprises, Inc.’s (“HEI”) accounts and those of all its consolidated subsidiaries, after elimination of all intercompany balances and transactions. HEI’s fiscal year ends October 31. Noncontrolling interest represents the proportionate equity interest in a consolidated joint venture that is not 100% owned by the Company. One of HEI's subsidiaries owns a 99% controlling interest in the consolidated joint venture and therefore HEI is required to consolidate the joint venture within its Consolidated Financial Statements. The 1% that we do not own is accounted for as noncontrolling interest. Another one of HEI's subsidiaries owns an 80% controlling interest in a consolidated joint venture, and therefore HEI is required to consolidate the joint venture within its Consolidated Financial Statements. The 20% that the Company does not own is accounted for as noncontrolling interest.