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Document And Entity Information
 12 Months Ended
Mar. 31, 2022
shares
Document Information Line Items  
Entity Registrant Name SILVERCORP METALS INC
Trading Symbol SVM
Document Type 40-F
Current Fiscal Year End Date --03-31
Entity Common Stock, Shares Outstanding 177,105,799
Amendment Flag false
Entity Central Index Key 0001340677
Entity Current Reporting Status Yes
Document Period End Date Mar. 31, 2022
Document Fiscal Year Focus 2022
Document Fiscal Period Focus FY
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Auditor Name Deloitte LLP
Auditor Location Vancouver, Canada
Document Registration Statement false
Document Annual Report true
Entity File Number 001-34184
Entity Incorporation, State or Country Code Z4
Entity Primary SIC Number 1041
Entity Tax Identification Number 00-0000000
Entity Address, Address Line One Suite 1750
Entity Address, Address Line Two 1066 West Hastings Street
Entity Address, City or Town Vancouver
Entity Address, Postal Zip Code V6E 3X1
Entity Address, Country CA
City Area Code (604)
Local Phone Number 669-9397
Title of 12(b) Security Common Shares, without par value
Security Exchange Name NYSEAMER
Annual Information Form true
Audited Annual Financial Statements true
Entity Interactive Data Current Yes
Auditor Firm ID 1208
Business Contact  
Document Information Line Items  
Entity Address, Address Line One 84 State Street
Entity Address, City or Town Boston
Entity Address, Postal Zip Code 02109
City Area Code 617
Local Phone Number 227-9590
Contact Personnel Name Corporation Service Company
Entity Address, State or Province MA