Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Aug. 10, 2021
Document Information Line Items
Entity Registrant Name	DELWINDS INSURANCE ACQUISITION CORP.
Trading Symbol	DWIN
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Central Index Key	0001812360
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Jun. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	true
Entity Ex Transition Period	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-39783
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	00-0000000
Entity Address, Address Line One	One City Centre
Entity Address, Address Line Two	1021 Main Street
Entity Address, Address Line Three	Suite 1960
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77002
City Area Code	713
Local Phone Number	337-4077
Title of 12(b) Security	Shares of Class A Common Stock, par value $0.0001 per share
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes
Class A Common Stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		20,757,500
Class B Common Stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		5,031,250