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Document and Entity Information
 12 Months Ended
Dec. 31, 2023
shares
Document Information [Line Items]  
Document Type 40-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2023
Current Fiscal Year End Date --12-31
Entity File Number 001-41369
Entity Registrant Name Osisko Development Corp.
Entity Incorporation, State or Country Code Z4
Entity Primary SIC Number 1040
Entity Tax Identification Number 00-0000000
Entity Address, Address Line One 1100 Avenue des Canadiens-de-Montréal,
Entity Address, Adress Line Two Suite 300
Entity Address State Or Province QC
Entity Address, City or Town Montréal
Entity Address, Postal Zip Code H3B 2S2
City Area Code 514
Local Phone Number 940-0685
Title of 12(b) Security Common Shares, no par value
Trading Symbol ODV
Security Exchange Name NYSE
Annual Information Form true
Audited Annual Financial Statements true
Entity Common Stock, Shares Outstanding 84,102,240
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Emerging Growth Company true
Entity Ex Transition Period false
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Entity Central Index Key 0001431852
Document Fiscal Year Focus 2023
Document Fiscal Period Focus FY
Amendment Flag false
Auditor Name PricewaterhouseCoopers LLP
Auditor Location Montreal, Canada
Auditor Firm ID 271
Business Contact [Member]  
Document Information [Line Items]  
Contact Personnel Name CT Corporation System
Entity Address, Address Line One 28 Liberty Street
Entity Address State Or Province NY
Entity Address, City or Town New York
Entity Address, Postal Zip Code 10005
City Area Code 212
Local Phone Number 894-8940