Subsequent Events	12 Months Ended
Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On March 16, 2022, Avadel Finance Cayman Limited, a Cayman Islands exempted company and an indirect wholly-owned subsidiary of the Company (the “Issuer”), executed an agreement to exchange $117,375 of its 2023 Notes due February 1, 2023 (the “February 2023 Notes”) for a new series of its Exchangeable Senior Notes due October 2, 2023 (the “October 2023 Notes”) (the “Exchange”). The remaining $26,375 aggregate principal amount of the February 2023 Notes will maintain a maturity date of February 1, 2023. Taking into consideration the Exchange and the maturity date of the October 2023 Notes and based on the Company’s current plans, the Company has sufficient cash on hand and available liquidity to satisfy its obligations and fund working capital needs for at least twelve months following the date of issuance of the Consolidated Financial Statements. The Company has a recent history of generating losses from operations including during 2021 and expects to continue generating losses over the next twelve months. Similar to other businesses in the Company’s industry and at its stage of development, the Company will continue in the medium term to rely on external sources of capital to fund its business.

Subsequent Events

12 Months Ended

Dec. 31, 2021

Subsequent Events On March 16, 2022, Avadel Finance Cayman Limited, a Cayman Islands exempted company and an indirect wholly-owned subsidiary of the Company (the “Issuer”), executed an agreement to exchange $117,375 of its 2023 Notes due February 1, 2023 (the “February 2023 Notes”) for a new series of its Exchangeable Senior Notes due October 2, 2023 (the “October 2023 Notes”) (the “Exchange”). The remaining $26,375 aggregate principal amount of the February 2023 Notes will maintain a maturity date of February 1, 2023. Taking into consideration the Exchange and the maturity date of the October 2023 Notes and based on the Company’s current plans, the Company has sufficient cash on hand and available liquidity to satisfy its obligations and fund working capital needs for at least twelve months following the date of issuance of the Consolidated Financial Statements. The Company has a recent history of generating losses from operations including during 2021 and expects to continue generating losses over the next twelve months. Similar to other businesses in the Company’s industry and at its stage of development, the Company will continue in the medium term to rely on external sources of capital to fund its business.