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Note 12 - Senior Notes and Credit Facilities (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2022 | Jan. 31, 2022 | Apr. 30, 2021 | Apr. 30, 2022 | Apr. 30, 2021 | Oct. 31, 2021
Debt Covenant Fixed Charge Coverage Ratio Minimum |  | 2.0 |  |  | 2.0 |  |
Secured Debt Leverage Ratio |  | 4.0 |  |  | 4.0 |  |
Dividends Payable |  | $ 2,700 |  |  | $ 2,700 |  |
Dividends, Preferred Stock, Total |  | 2,669 | $ 2,669 |  |  |  |
Gain (Loss) on Extinguishment of Debt, Total |  | (6,795) |  | $ 0 | (6,795) | $ 0 |
Senior Secured Revolving Credit Facility [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 125,000 |  |  | 125,000 |  |
Stand-alone Cash Collateralized Letter of Credit Agreements and Facilities [Member] |  |  |  |  |  |  |
Letters of Credit Outstanding, Amount |  | 7,600 |  |  | 7,600 |  | $ 9,300
Stand-alone Cash Collateralized Letter of Credit Agreements and Facilities [Member] | Restricted Cash [Member] |  |  |  |  |  |  |
Debt Instrument, Collateral Amount |  | 7,800 |  |  | 7,800 |  | $ 9,900
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] | Cash and Cash Equivalents Collateral [Member] |  |  |  |  |  |  |
Debt Instrument, Collateral Amount |  | 152,700 |  |  | 152,700 |  |
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] | Restricted Cash [Member] |  |  |  |  |  |  |
Debt Instrument, Collateral Amount |  | 7,800 |  |  | 7,800 |  |
The Secured Credit Facility, the New Secured Notes, and the Second Lien Notes [Member] | Real Property [Member] |  |  |  |  |  |  |
Debt Instrument, Collateral Amount |  | 394,300 |  |  | 394,300 |  |
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 |  | 100,100 |  |  | 100,100 |  |
The 8.0% Senior Notes Due 2027 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 26,000 |  |  | $ 26,000 |  |
Debt Instrument, Interest Rate, Stated Percentage | [1] | 8.00% |  |  | 8.00% |  | 8.00%
The 7.75% 2026 Notes [Member] | Senior Secured Notes [Member] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 7.75% |  |  | 7.75% |  |
Debt Instrument, Redeemed, Face Amount |  | $ 100,000 |  |  | $ 100,000 |  |
Repayments of Secured Debt |  | 105,500 |  |  |  |  |
Gain (Loss) on Extinguishment of Debt, Total |  | $ (6,800) |  |  | $ (6,800) |  |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 7.75% |  |  | 7.75% |  | 7.75%
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, Interest Rate, Stated Percentage |  | 10.50% |  |  | 10.50% |  | 10.50%
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 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, Redemption Price, Percentage |  | 100.00% |  |  |  |  |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Two [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 102.50% |  |  |  |  |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Three [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 100.00% |  |  |  |  |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Four [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 105.00% |  |  |  |  |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 105.00% |  |  |  |  |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Five [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 102.50% |  |  |  |  |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Debt Instrument, Redemption, Period Six [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, Interest Rate, Stated Percentage |  | 10.00% |  |  | 10.00% |  | 10.00%
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 13.50% |  |  | 13.50% |  | 13.50%
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes [Member] | Debt Instrument, Redemption, Period Two [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 100.00% |  |  |  |  |
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes [Member] | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 100.00% |  |  |  |  |
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.00% |  |  | 5.00% |  | 5.00%
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes [Member] | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 100.00% |  |  |  |  |
[1] | $26.0 million of 8.0% Senior Notes due 2027 (the "8.0% 2027 Notes") are owned by a wholly-owned consolidated subsidiary of HEI. Therefore, in accordance with GAAP, such notes are not reflected on the Condensed Consolidated Balance Sheets of HEI.

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