DIGITAL ASSETS - Balance sheet (Details) $ in Thousands	Mar. 31, 2024 USD ($) instrument	Dec. 31, 2023 USD ($)
DIGITAL ASSETS
Units \| instrument	425
Cost Basis	$ 12,769
Fair Value	$ 30,325	$ 15,811

Number of restricted and unrestricted crypto asset units held. Excludes crypto asset units held for platform user.

No definition available.

Name:	arlp_CryptoAssetNumberOfUnits
Namespace Prefix:	arlp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant