v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 04, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-40822  
Entity Registrant Name Remitly Global, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 83-2301143  
Entity Address, Address Line One 401 Union Street,  
Entity Address, Address Line Two Suite 1000  
Entity Address, City or Town Seattle,  
Entity Address, State or Province WA  
Entity Address, Postal Zip Code 98101  
City Area Code 888  
Local Phone Number 736-4859  
Title of 12(b) Security Common Stock, $0.0001 par value  
Trading Symbol RELY  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   210,561,079
Entity Central Index Key 0001782170  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false