Digital assets (Details) - USD ($)	Dec. 31, 2024	Jun. 30, 2024
Digital assets
Digital assets held on exchange institution	$ 4,831,637	$ 891
Total digital assets	$ 4,831,637	$ 891

Amount of digital assets including USD coin, classified as current.

No definition available.

Name:	ambr_DigitalAssetsIncludingUsdCoinCurrent
Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant