| Document and Entity Information | Dec. 13, 2021 |
| Entity Listings [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 13, 2021 |
| Entity Registrant Name | HEALTHCARE SERVICES ACQUISITION CORPORATION |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39823 |
| Entity Tax Identification Number | 85-2754095 |
| Entity Address, Address Line One | 7809 Woodmont Avenue, Suite 200 |
| Entity Address, City or Town | Bethesda |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 20814 |
| City Area Code | 301 |
| Local Phone Number | 605-1309 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001824846 |
| Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-half of one redeemable warrant [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-half of one redeemable warrant |
| Trading Symbol | HCARU |
| Security Exchange Name | NASDAQ |
| Common Class A [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Class A common stock included as part of the unit |
| Trading Symbol | HCAR |
| Security Exchange Name | NASDAQ |
| Redeemable warrants included as part of the units, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Redeemable warrants included as part of the units, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 |
| Trading Symbol | HCARW |
| Security Exchange Name | NASDAQ |
