v3.26.1
Document And Entity Information - shares
 3 Months Ended
Jun. 30, 2026
Aug. 03, 2026
Document Information Line Items    
Entity Central Index Key 0000918251  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-33861  
Entity Registrant Name MOTORCAR PARTS OF AMERICA, INC.  
Entity Incorporation, State or Country Code NY  
Entity Tax Identification Number 11-2153962  
Entity Address, Address Line One 2929 California Street,  
Entity Address, City or Town Torrance  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 90503  
City Area Code 310  
Local Phone Number 212-7910  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol MPAA  
Security Exchange Name NASDAQ  
Entity Interactive Data Current Yes  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   18,933,207
Amendment Flag false  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --03-31