| Cover | Sep. 20, 2021 |
| Affiliate, Collateralized Security [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 20, 2021 |
| Entity File Number | 001-39138 |
| Entity Registrant Name | AMPLITUDE HEALTHCARE ACQUISITION CORPORATION |
| Entity Central Index Key | 0001788028 |
| Entity Tax Identification Number | 85-2984849 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 1177 Avenue of the Americas |
| Entity Address, Address Line Two | FL 40 |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10036 |
| City Area Code | (212) |
| Local Phone Number | 823-1900 |
| Written Communications | true |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant |
| Trading Symbol | AMHCU |
| Security Exchange Name | NASDAQ |
| Class A Common Stock, par value $0.0001 per share | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | AMHC |
| Security Exchange Name | NASDAQ |
| Warrants, each whole warrant exercisable for one shares of Class A Common Stock for $11.50 per share | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one shares of Class A Common Stock for $11.50 per share |
| Trading Symbol | AMHCW |
| Security Exchange Name | NASDAQ |
