Note 12 - Senior Notes and Credit Facilities (Details Textual) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended |
|---|---|---|
Apr. 30, 2026 |
Oct. 31, 2025 |
|
| Unsecured Senior Notes [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt Instrument Interest Payment Period Description | Interest on both of the 2031 Notes and 2033 Notes will be payable semi-annually on April 1 and October 1 of each year, beginning on April 1, 2026, to holders of record of the applicable series of notes at the close of business on March 15 or September 15, as the case may be, immediately preceding each such interest payment date. | |
| Unsecured Senior Notes [Member] | Debt Instrument, Redemption, Period One [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt instrument, interest rate, stated percentage | 100.00% | |
| 8.0% Senior Notes due 2031 [Member] | Unsecured Senior Notes [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt Instrument, Maturity Date | Apr. 01, 2031 | Apr. 01, 2031 |
| Debt instrument, interest rate, stated percentage | 8.00% | 8.00% |
| Debt Instrument Interest Payment Period Description | The 2031 Notes are redeemable, in whole or in part, at K. Hovnanian’s option at any time prior to April 1, 2028 at 100.0% of their principal amount plus an applicable “make-whole” amount. K. Hovnanian may also redeem some or all of the 2031 Notes at 104.0% of their principal amount commencing on April 1, 2028, at 102.0% of their principal amount commencing on April 1, 2029 and at 100.0% of their principal amount commencing April 1, 2030. In addition, K. Hovnanian may also redeem up to 40.0% of the aggregate principal amount of 2031 Notes prior to April 1, 2028 with the net cash proceeds from certain equity offerings at 108.0% of their principal amount. | |
| 8.375% Senior Notes due 2033 [Member] | Unsecured Senior Notes [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt Instrument, Maturity Date | Oct. 01, 2033 | Oct. 01, 2033 |
| Debt instrument, interest rate, stated percentage | 8.375% | 8.375% |
| Debt Instrument Interest Payment Period Description | The 2033 Notes are redeemable, in whole or in part, at K. Hovnanian’s option at any time prior to October 1, 2028 at 100.0% of their principal amount plus an applicable “make-whole” amount. K. Hovnanian may also redeem some or all of the 2033 Notes at 104.188% of their principal amount commencing on October 1, 2028, at 102.094% of their principal amount commencing on October 1, 2029 and at 100.0% of their principal amount commencing on October 1, 2030. In addition, K. Hovnanian may also redeem up to 40.0% of the aggregate principal amount of 2033 Notes prior to October 1, 2028 with the net cash proceeds from certain equity offerings at 108.375% of their principal amount. | |
| 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt Instrument, Maturity Date | Feb. 01, 2040 | Feb. 01, 2040 |
| Debt instrument, interest rate, stated percentage | 5.00% | 5.00% |
| Senior Secured Revolving Credit Facility [Member] | ||
| Debt Instrument [Line Items] | ||
| Debt Instrument, Maturity Date | Jun. 30, 2028 | |
| Line of Credit Facility, Maximum Borrowing Capacity | $ 125.0 | |
| Line of Credit Facility, Unused Commitment Fee Rate | 1.00% | |
| Senior Secured Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | ||
| Debt Instrument [Line Items] | ||
| Line of Credit Facility, Variable Rate Floor | 3.00% | |
| Line of Credit Facility, Applicable Margin | 4.50% | |
| Senior Secured Revolving Credit Facility [Member] | Base Rate [Member] | ||
| Debt Instrument [Line Items] | ||
| Line of Credit Facility, Applicable Margin | 3.50% | |
| Senior Secured Revolving Credit Facility [Member] | Alternate Base Rate Member | ||
| Debt Instrument [Line Items] | ||
| Line of Credit Facility, Variable Rate Floor | 3.00% | |
| Line of Credit Facility, Applicable Margin | 3.50% |