Significant related party transactions - Transactions with Related Parties (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Whalefin Technologies Ltd
Significant related parties transactions and balances
Revenue generated		$ 15,074
Cost of revenue		3,278
Service income	$ 71	49
Lead Accelerating Limited
Significant related parties transactions and balances
Revenue generated	4,199	7,296
Cost of revenue	48	8
AG Global Technology Limited Inc.
Significant related parties transactions and balances
Revenue generated	5,396
Cost of revenue	1,779
Proton Fund SPC
Significant related parties transactions and balances
Revenue generated	2,198	3,163
Axiom AI Limited
Significant related parties transactions and balances
Revenue generated	3	758
Service income	49
RigSec Technology Limited
Significant related parties transactions and balances
Revenue generated	4	62
Service fee	180
Gamma Digital Ltd
Significant related parties transactions and balances
Revenue generated	3	3
Amber ALIR Holding Limited
Significant related parties transactions and balances
Cost of revenue	11
Service income	6
Amber Technologies Service Pte Ltd
Significant related parties transactions and balances
Service income	77	$ 25
AAC Global Holding Limited
Significant related parties transactions and balances
Service income	48
Amber Technologies North America Ltd
Significant related parties transactions and balances
Outsourcing/support services provided	665
Amber AI Ltd
Significant related parties transactions and balances
Outsourcing/support services provided	859
Amber AI Service Ltd
Significant related parties transactions and balances
Outsourcing/support services provided	1,482
Amber AM Limited
Significant related parties transactions and balances
Outsourcing/support services provided	$ 75

The amount of cost of sales in a related party transactions.

No definition available.

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Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of outsourcing fees incurred in related party transactions.

+ References

No definition available.

+ Details

Name:	ambr_OutsourcingFeesRelatedPartyTransactions
Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of service fees incurred in related party transactions.

+ References

No definition available.

+ Details

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Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of income arising from the rendering of service in a related party transactions.

+ References

No definition available.

+ Details

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Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

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+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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Data Type:	na
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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