v3.22.2.2

Cover - USD ($) $ in Millions	12 Months Ended
Cover - USD ($) $ in Millions	Dec. 31, 2021	Mar. 29, 2022	Jun. 30, 2021
Document Type	10-K/A
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2021
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--12-31
Entity File Number	001-39702
Entity Registrant Name	HEALTH ASSURANCE ACQUISITION CORP.
Entity Central Index Key	0001824013
Entity Tax Identification Number	85-2899745
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	20 University Road
Entity Address, City or Town	Cambridge
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02138
City Area Code	617
Local Phone Number	234-7000
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Entity Shell Company	true
Entity Public Float			$ 525.5
ICFR Auditor Attestation Flag	false
Auditor Name	WithumSmith+Brown, PC
Auditor Location	New York, New York
Auditor Firm ID	100
SAIL Securities
Title of 12(b) Security	Class A Common Stock, $0.0001 par value
Trading Symbol	HAACU
Security Exchange Name	NASDAQ
Class A Common Stock
Title of 12(b) Security	Class A Common Stock included as part of the SAILSM securities
Trading Symbol	HAAC
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		52,500,000
Redeemable warrants
Title of 12(b) Security	Class A Common Stock at an exercise price of $11.50
Trading Symbol	HAACW
Security Exchange Name	NASDAQ
Class B Common Stock [Member]
Entity Common Stock, Shares Outstanding		2,625,000

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.

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Local phone number for entity.

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Health Assurance Acquisition Corp. 10-K/A