v3.25.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2025
Aug. 11, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Document Transition Report false  
Entity File Number 000-51371  
Entity Registrant Name LINCOLN EDUCATIONAL SERVICES CORP  
Entity Central Index Key 0001286613  
Entity Incorporation, State or Country Code NJ  
Entity Tax Identification Number 57-1150621  
Entity Address, Address Line One 14 Sylvan Way, Suite A  
Entity Address, City or Town Parsippany  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07054  
City Area Code 973  
Local Phone Number 736-9340  
Title of 12(b) Security Common Stock, no par value per share  
Trading Symbol LINC  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   31,618,405