XML 78 R48.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements (Details) - Schedule of changes in the fair value of Level 3 warrant liabilities | 3 Months Ended
--- | ---
Mar. 31, 2021 USD ($)
Schedule of changes in the fair value of Level 3 warrant liabilities [Abstract] |
Fair value as of January 1, 2021 | $ 5,880,000
Change in fair value | (2,560,000)
Fair value as of March 31, 2021 | $ 3,320,000

X
- Definition Change in fair value. + References No definition available. + Details
Name: | amhc_ChangeInFairValue
Namespace Prefix: | amhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value as of January 1, 2021. + References No definition available. + Details
Name: | amhc_FairValueAdjustmentOfWarrant
Namespace Prefix: | amhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | amhc_ScheduleOfChangesInTheFairValueOfLevel3WarrantLiabilitiesAbstract
Namespace Prefix: | amhc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration