Fair Value Measurements (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Fair Value Disclosures [Abstract]
Private warrants	$ 490,000	$ 390,000
Change in fair value	$ 100,000	$ (130,000)

Amount of change in fair value of warrant liabilities.

No definition available.

Name:	agba_ChangeInFairValueOfWarrantLiabilities
Namespace Prefix:	agba_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration