| Cover | Mar. 23, 2021 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 23, 2021 |
| Entity File Number | 001-37815 |
| Entity Registrant Name | Global Medical REIT Inc. |
| Entity Central Index Key | 0001533615 |
| Entity Tax Identification Number | 46-4757266 |
| Entity Incorporation, State or Country Code | MD |
| Entity Address, Address Line One | 2 Bethesda Metro Center |
| Entity Address, Address Line Two | Suite 440 |
| Entity Address, City or Town | Bethesda |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 20814 |
| City Area Code | 202 |
| Local Phone Number | 524-6851 |
| 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] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | GMRE |
| Security Exchange Name | NYSE |
| Series A Preferred Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Series A Preferred Stock, par value $0.001 per share |
| Trading Symbol | GMRE PrA |
| Security Exchange Name | NYSE |
