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Subsequent Events - Additional Information (Detail) - USD ($) shares in Millions |  |  |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 15, 2024 | Oct. 14, 2021 | Oct. 08, 2021 | Oct. 31, 2021 | Sep. 30, 2021
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, frequency of interest payment |  |  |  |  | Interest payable semi-annually in arrears on May 15 and October 15 of each year, beginning on May 15, 2022, to the holders of record on the immediately preceding May 1 and October 1
Debt instrument, redemption, description |  |  |  |  | On September 29, 2021, LSB issued a conditional notice of redemption to redeem all of the Existing Notes (the “Redemption”), conditioned on the closing of the offering of the Notes, which condition was satisfied as of October 14, 2021. Also on October 14, 2021, LSB satisfied and discharged its obligations under the indenture governing the Senior Secured Notes by irrevocably depositing with the trustee for the Senior Secured Notes funds sufficient to redeem the Senior Secured Notes in full and to pay related fees and expenses. The Redemption was completed by the trustee on October 29, 2021.
Redemption date |  |  |  |  | Sep. 29, 2021
Debt instrument, redemption period, end date |  |  |  |  | Oct. 29, 2021
Scenario Forecast [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument issued price percentage | 25.00% |  |  |  |
Scenario Forecast [Member] | Senior Notes [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt issued - principal amount | $ 435,000,000 |  |  |  |
Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt issued - principal amount |  | $ 500,000,000 |  |  |
Debt instrument, interest rate |  | 6.25% |  |  |
Debt instrument, maturity term |  | 2028 |  |  |
Debt instrument issued price percentage |  | 100.00% |  |  |
Subsequent Event [Member] | Special Dividend [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Special dividend paid in common shares |  |  | 9.1 | 9.1 |

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