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Condensed Statements of Changes in Stockholders’ Equity (Unaudited) (Parentheticals) | 5 Months Ended
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Dec. 31, 2019 shares
Statement of Stockholders' Equity [Abstract] |
Sale of Units, net of underwriting discount and offering costs | 10,000,000

X
- Definition Sale of Units, net of underwriting discount and offering costs + References No definition available. + Details
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Namespace Prefix: | amhc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration