Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2021	May 10, 2021
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Amendment Flag	false
Document Period End Date	Mar. 31, 2021
Entity Registrant Name	CLOVER HEALTH INVESTMENTS, CORP. /DE
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Interactive Data Current	Yes
Entity Ex Transition Period	false
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Shell Company	false
Entity Central Index Key	0001801170
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity File Number	001-39252
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	98-1515192
Entity Address, Address Line One	725 Cool Springs Boulevard
Entity Address, Address Line Two	Suite 320
Entity Address, City or Town	Franklin
Entity Address, State or Province	TN
Entity Address, Postal Zip Code	37067
City Area Code	201
Local Phone Number	432-2133
Common Class A [Member]
Document Information [Line Items]
Trading Symbol	CLOV
Title of 12(g) Security	Class A Common Stock, par value $0.0001 per share
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		148,279,247
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		259,821,838
Unit Of Redeemable Warrant [Member]
Document Information [Line Items]
Trading Symbol	CLOVW
Title of 12(g) Security	Redeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50
Security Exchange Name	NASDAQ