Significant related party transactions and balances - Fair value of due from related parties (Details)	Dec. 31, 2024 USD ($)
Significant related party transactions and balances
BTC	$ 4,130,201
ETH	154,825
ADA	(34,605)
BCH	(13,033)
DOT	(10,427)
XRP	(118,753)
Total	$ 4,108,208

Fair value portion of crypto payables that are due to related parties were denominated as Bitcoin Cash.

No definition available.

Name:	ambr_CryptoPayableBitcoinCashRelatedPartyTransactionFairValue
Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value portion of crypto payables that are due to related parties were denominated as Cardano.

No definition available.

Name:	ambr_CryptoPayableCardanoRelatedPartyTransactionFairValue
Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value portion of crypto payables that are due to related parties were denominated as Polkadot.

No definition available.

Name:	ambr_CryptoPayablePolkadotRelatedPartyTransactionFairValue
Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value portion of crypto payables that are due to related parties were denominated as XRP.

No definition available.

Name:	ambr_CryptoPayableXrpRelatedPartyTransactionFairValue
Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value portion of crypto receivables that are due from related parties were denominated as bitcoin.

No definition available.

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

Fair value portion of crypto receivables that are due from related parties were denominated as ether.

No definition available.

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

Fair value portion of crypto receivables (payables) amount due from (to) the related party.

No definition available.

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

No definition available.

Name:	ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration