Note 12 - Senior Notes and Credit Facilities (Details Textual) $ / shares in Units, $ in Thousands | Dec. 10, 2019USD ($) | Jan. 15, 2019USD ($) | Feb. 01, 2018USD ($) | Apr. 30, 2020USD ($) | Apr. 30, 2019USD ($) | Apr. 30, 2020USD ($)$ / shares | Apr. 30, 2019USD ($) | Oct. 31, 2019USD ($) | Mar. 25, 2020USD ($) | Jan. 31, 2020USD ($) | Jan. 29, 2018 | Jul. 27, 2017 |
Debt Covenant Fixed Charge Coverage Ratio Minimum | | | | 2 | | 2 | | | | | | |
Secured Debt Leverage Ratio | | | | 4 | | 4 | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | $ (174) | | $ 9,282 | | | | | | |
Senior Secured Notes [Member] | | | | | | | | | | | | |
Long-term Debt, Gross | | | | 1,159,490 | | 1,159,490 | | $ 1,165,848 | | | | |
Proceeds from Secured Notes Payable | | | | | | | $ 21,348 | | | | | |
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] | Cash and Cash Equivalents Collateral [Member] | | | | | | | | | | | | |
Debt Instrument, Collateral Amount | | | | 229,600 | | 229,600 | | | | | | |
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] | Restricted Cash [Member] | | | | | | | | | | | | |
Debt Instrument, Collateral Amount | | | | 14,300 | | 14,300 | | | | | | |
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] | Real Property [Member] | | | | | | | | | | | | |
Debt Instrument, Collateral Amount | | | | 480,500 | | 480,500 | | | | | | |
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] | Equity Interests in Joint Venture Holding Companies Collateral [Member] | | | | | | | | | | | | |
Debt Instrument, Collateral Amount | | | | 204,200 | | $ 204,200 | | | | | | |
Series A Preferred Stock [Member] | | | | | | | | | | | | |
Preferred Stock, Dividend Rate, Percentage | | | | | | 7.625% | | | | | | |
Senior Secured Revolving Credit Facility [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | 7.75% | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | 125,000 | | $ 125,000 | | $ 125,000 | | | | |
Stand-alone Cash Collateralized Letter of Credit Agreements and Facilities [Member] | | | | | | | | | | | | |
Letters of Credit Outstanding, Amount | | | | 14,000 | | 14,000 | | 19,200 | | | | |
Stand-alone Cash Collateralized Letter of Credit Agreements and Facilities [Member] | Restricted Cash [Member] | | | | | | | | | | | | |
Debt Instrument, Collateral Amount | | | | 14,300 | | 14,300 | | $ 19,900 | | | | |
The 8.0% Senior Notes Due 2027 [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | $ 170,200 | $ 26,000 | | $ 26,000 | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 8.00% | 8.00% | | 8.00% | | | | | | |
The 8.0% Senior Notes Due 2027 [Member] | K. Hovnanian at Sunrise Trail III, LLC [Member] | | | | | | | | | | | | |
Repayments of Senior Debt, Total | | | $ 26,500 | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 100.00% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period One [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 110.00% | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | 35.00% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Two [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 105.00% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Three [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 102.50% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Four [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 100.00% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | $ 158,500 | | | | | | | | | $ 158,500 | | |
Debt Instrument, Interest Rate, Stated Percentage | 10.00% | | | 10.00% | | 10.00% | | 10.00% | | 10.00% | | |
Long-term Debt, Gross | | | | $ 158,502 | | $ 158,502 | | | | | | |
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | 10.00% | | | 10.00% | | 10.00% | | 10.00% | 10.00% | 10.00% | | 10.00% |
Debt Instrument Exchanged, Face Amount | $ 23,200 | | | | | | | | $ 59,100 | $ 23,200 | | |
Long-term Debt, Gross | | | | $ 136,714 | | $ 136,714 | | $ 218,994 | | | | |
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 105.00% | | | | |
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Two [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 102.50% | | | | |
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Three [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | | $ 25,000 | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | 10.50% | 10.50% | | 10.50% | | 10.50% | | 10.50% | | 10.50% | | |
Debt Instrument Exchanged, Face Amount | $ 141,700 | | | | | | | | | $ 141,700 | | |
Long-term Debt, Gross | | | | $ 69,683 | | $ 69,683 | | $ 211,391 | | | | |
Proceeds from Secured Notes Payable | | $ 21,300 | | | | | | | | | | |
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 110.50% | | | | |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | | | | | | | | 35.00% | | | | |
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Two [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 105.25% | | | | |
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Three [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 102.625% | | | | |
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Four [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
Senior Unsecured Term Loan Credit Facility [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | 5.00% | |
Debt Instrument Exchanged, Face Amount | 163,000 | | | | | | | | | 163,000 | | |
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | $ 81,500 | | | | | | | | | $ 81,500 | | |
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 100.00% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Debt Instrument, Redemption, Period Two [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 105.00% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Debt Instrument, Redemption, Period Three [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 102.50% | | | | | | | | | | | |
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Debt Instrument, Redemption, Period Four [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | 100.00% | | | | | | | | | | | |
Second Lien Notes [Member] | | | | | | | | | | | | |
Long-term Debt, Gross | $ 164,900 | | | | | | | | | | | |
Secured Term Loan Facility [Member] | | | | | | | | | | | | |
Long-term Debt, Gross | $ 148,800 | | | | | | | | | | | |
Second Lien Notes and Unsecured Term Loan Credit Facility [Member] | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | $ (200) | | $ 9,300 | | | | | | |
Gain (Loss) on Extinguishment of Debt, Per Share, Excluding Taxes (in dollars per share) | $ / shares | | | | | | $ 1.51 | | | | | | |
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | 11.25% | 11.25% | | | |
Long-term Debt, Gross | | | | | | | | $ 103,100 | $ 162,300 | | | |
Debt Instrument, Exchange, Amount Issued | | | | | | | | | 59,100 | | | |
Debt Instrument, Maximum Secured Amount | | | | | | | | | $ 162,300 | | | |
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | 11.25% | | 11.25% | | 11.25% | | | | |
Debt Instrument Exchanged, Face Amount | | | | | | | | $ 103,100 | | | | |
Long-term Debt, Gross | | | | $ 162,269 | | $ 162,269 | | $ 103,141 | | | | |
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | | $ 350,000 | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | 7.75% | | 7.75% | | 7.75% | | | | |
Long-term Debt, Gross | | | | $ 350,000 | | $ 350,000 | | $ 350,000 | | | | |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | | | | | | | | 35.00% | | | | |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 107.75% | | | | |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Two [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 103.875% | | | | |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Three [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 101.937% | | | | |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Four [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | | $ 282,300 | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | 10.50% | | 10.50% | | 10.50% | | | | |
Long-term Debt, Gross | | | | $ 282,322 | | $ 282,322 | | $ 282,322 | | | | |
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | | | | | | | | 35.00% | | | | |
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 110.50% | | | | |
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Two [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 105.25% | | | | |
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Three [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 102.625% | | | | |
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Four [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | | | | | | 100.00% | | | | |
The 10.0% 2022 Senior Secured Notes Exchanged for 1.125 Lien Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument Exchanged, Face Amount | | | | | | | | $ 221,000 | | | | |
The 10.5% 2024 Senior Secured Notes Exchanged for 1.125 Lien Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument Exchanged, Face Amount | | | | | | | | 114,000 | | | | |
The 10.5% 2024 Notes Exchanged for 11.25% Senior Secured 1.5 Lien Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument Exchanged, Face Amount | | | | | | | | $ 99,600 | | | | |
The 9.50% 2020 Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | 9.50% | | | | |
The 2.0% 2021 Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | 2.00% | | | | |
9.5 % Senior Secured Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | 5.00% | | | | |
The 10.0% 2018 Notes [Member] | Senior Secured Notes [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | | 10.00% |
The 13.5% Senior Notes Due 2026 [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | $ 90,600 | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 13.50% | | | | | | | | | |
The 13.5% Senior Notes Due 2026 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | 100.00% | | | | | | | | | |
The 5.0% Senior Notes due 2040 [Member] | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | $ 90,100 | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 5.00% | | | | | | | | | |
The 5.0% Senior Notes due 2040 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period One [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | 102.50% | | | | | | | | | |
The 5.0% Senior Notes due 2040 [Member] | Senior Secured Notes [Member] | Debt Instrument, Redemption, Period Two [Member] | | | | | | | | | | | | |
Debt Instrument, Redemption Price, Percentage | | | 100.00% | | | | | | | | | |
The Purchased 8% Notes [Member] | K. Hovnanian at Sunrise Trail III, LLC [Member] | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 8.00% | | | | | | | | | |
Debt Instrument, Repurchased Face Amount | | | $ 26,000 | | | | | | | | | |