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Cover
Oct. 22, 2019
Schedule of Capitalization, Equity [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 22, 2019
Entity File Number 001-37390
Entity Registrant Name Global Net Lease, Inc.
Entity Central Index Key 0001526113
Entity Tax Identification Number 45-2771978
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 405 Park Avenue
Entity Address, Address Line Two 3rd Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10022
City Area Code (212)
Local Phone Number 415-6500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Schedule of Capitalization, Equity [Line Items]  
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol GNL
Security Exchange Name NYSE
Series A Preferred Stock [Member]  
Schedule of Capitalization, Equity [Line Items]  
Title of 12(b) Security 7.25% Series A Cumulative Redeemable Preferred Stock, $0.01 par value
Trading Symbol GNL PR A
Security Exchange Name NYSE