Summary of Platform Development Costs (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Platform development	$ 16,699	$ 21,997
Less accumulated amortization	(6,686)	(12,698)
Net platform development	$ 10,013	$ 9,299

Accumulated amortization platform development cost.

No definition available.

Name:	AREN_AccumulatedDepreciationDepletionAndAmortizationPlatformDevelopmentCost
Namespace Prefix:	AREN_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant