Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2023	Jul. 31, 2023
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Trading Symbol	PRDO
Title of 12(b) Security	Common Stock, $0.01 par value
Security Exchange Name	NASDAQ
Entity Registrant Name	PERDOCEO EDUCATION CORP
Entity Central Index Key	0001046568
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		65,609,555
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	0-23245
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-3932190
Entity Address, Address Line One	1750 E. Golf Road
Entity Address, City or Town	Schaumburg
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60173
City Area Code	847
Local Phone Number	781-3600