Organization	6 Months Ended
Jun. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Organization Global Net Lease, Inc. (the "Company"), which incorporated on July 13, 2011, is a Maryland corporation that elected and qualified to be taxed as a real estate investment trust ("REIT") for United States ("U.S.") federal income tax purposes beginning with the taxable year ended December 31, 2013. On June 2, 2015 (the "Listing Date"), the Company listed shares of its common stock, $0.01 par value per share ("Common Stock") on the New York Stock Exchange ("NYSE") under the symbol "GNL" (the "Listing"). The Company invests in commercial properties, with an emphasis on sale-leaseback transactions involving single tenant net-leased commercial properties. The Company and American Realty Capital Global Trust II, Inc. ("Global II"), an entity formerly sponsored by an affiliate of AR Capital Global Holdings, LLC, the Company's sponsor (the “Sponsor”), entered into an agreement and plan of merger on August 8, 2016 (the "Merger Agreement"). The Company and Global II each are, or were sponsored, directly or indirectly, by the Sponsor. The Sponsor and its affiliates provide or provided asset management services to the Company and Global II pursuant to advisory agreements. On December 22, 2016 (the "Merger Date"), pursuant to the Merger Agreement, Global II merged with and into Mayflower Acquisition LLC (the "Merger Sub"), a Maryland limited liability company and wholly owned subsidiary of the Company, at which time the separate existence of Global II ceased and the Company became the parent of the Merger Sub (the "Merger"). In addition, pursuant to the Merger Agreement, American Realty Capital Global II Operating Partnership, L.P., a Delaware limited partnership and the operating partnership of Global II (the "Global II OP"), merged with Global Net Lease Operating Partnership, L.P. (the "OP"), a Delaware limited partnership, with the OP being the surviving entity (the "Partnership Merger" and together with the Merger, the "Mergers"). As a result of the Mergers, the Company acquired the business of Global II, which immediately prior to the effective time of the Merger, owned a portfolio of commercial properties, including single tenant net-leased commercial properties two of which were located in the U.S., three of which were located in the United Kingdom, and 10 of which were located in continental Europe (see Note 3 — Merger Transaction). As of June 30, 2017, the Company owned 312 properties consisting of 22.2 million rentable square feet, which were 100% leased, with a weighted average remaining lease term of 9.3 years. Based on original purchase price or acquisition value with respect to properties acquired in the Mergers, 50.5% of the Company's properties are located in Europe and 49.5% of the Company's properties are located in the U.S. and the Commonwealth of Puerto Rico. The Company may also originate or acquire first mortgage loans, mezzanine loans, preferred equity or securitized loans secured by real estate. As of June 30, 2017, the Company did not own any first mortgage loans, mezzanine loans, preferred equity or securitized loans. Substantially all of the Company's business is conducted through the OP. The Company has retained Global Net Lease Advisors, LLC (the "Advisor") to manage the Company's affairs on a day-to-day basis. The properties are managed and leased by Global Net Lease Properties, LLC (the "Property Manager"). The Advisor, Property Manager, and Global Net Lease Special Limited Partner, LLC (the "Special Limited Partner") are under common control with AR Global Investments, LLC (the successor business to AR Capital, LLC (the "Former Parent of the Sponsor"), "AR Global"), the parent of the Company's Sponsor, as a result of which they are related parties. These related parties receive compensation and fees for various services provided to the Company. The Advisor has entered into a service provider agreement with Moor Park Capital Partners LLP (the "Service Provider"), pursuant to which the Service Provider provides, subject to the Advisor's oversight, certain real estate related services, as well as sourcing and structuring of investment opportunities, performance of due diligence, and arranging debt financing and equity investment syndicates, solely with respect to investments in Europe. On February 28, 2017, the Company completed a reverse stock split of Common Stock, limited partnership units in the OP ("OP Units") and long term incentive plan units in the OP ("LTIP Units"), at a ratio of 1-for-3 (the “Reverse Stock Split”). No OP Units were issued in connection with the Reverse Stock Split and the Company repurchased any fractional shares of Common Stock resulting from the Reverse Stock Split for cash. No payments were made in respect of any fractional OP Units. The Reverse Stock Split was applied to all of the outstanding shares of Common Stock and therefore did not affect any stockholder’s relative ownership percentage. As a result of the Reverse Stock Split, the number of outstanding shares of Common Stock was reduced from 198.8 million to 66.3 million. In addition, Common Stock was assigned a new CUSIP number upon the market opening on March 1, 2017. Effective May 24, 2017, following approval by the Company's board of directors, the Company filed an amendment to the Company's charter with the Maryland State Department of Assessments and Taxation, to decrease the total number of shares that the Company has authority to issue from 350.0 million to 116.7 million shares, of which (i) 100.0 million is designated as Common Stock, $0.01 par value per share; and (ii) 16.7 million is designated as preferred stock, $0.01 par value per share. All references made to share or per share amounts in the accompanying consolidated financial statements and applicable disclosures have been retroactively adjusted to reflect this Reverse Stock Split. The Company has entered into an Equity Distribution Agreement with UBS Securities LLC, Robert W. Baird & Co. Incorporated, Capital One Securities, Inc., Mizuho Securities USA Inc., FBR Capital Markets & Co. and KeyBanc Capital Markets Inc. (together, the “Agents”) to sell shares of Common Stock, to raise aggregate sales proceeds of $175.0 million, from time to time, pursuant to an “at the market” equity offering program (the “ATM Program”). The Common Stock issued under the ATM Program is registered pursuant to the Company's shelf registration statement on Form S-3 (Registration No. 333-214579). During the three and six months ended June 30, 2017, the Company sold 0.8 million shares of Common Stock through the ATM Program for net sales proceeds of $18.3 million.

Organization

Global Net Lease, Inc. (the "Company"), which incorporated on July 13, 2011, is a Maryland corporation that elected and qualified to be taxed as a real estate investment trust ("REIT") for United States ("U.S.") federal income tax purposes beginning with the taxable year ended December 31, 2013. On June 2, 2015 (the "Listing Date"), the Company listed shares of its common stock, $0.01 par value per share ("Common Stock") on the New York Stock Exchange ("NYSE") under the symbol "GNL" (the "Listing"). The Company invests in commercial properties, with an emphasis on sale-leaseback transactions involving single tenant net-leased commercial properties.

The Company and American Realty Capital Global Trust II, Inc. ("Global II"), an entity formerly sponsored by an affiliate of AR Capital Global Holdings, LLC, the Company's sponsor (the “Sponsor”), entered into an agreement and plan of merger on August 8, 2016 (the "Merger Agreement"). The Company and Global II each are, or were sponsored, directly or indirectly, by the Sponsor. The Sponsor and its affiliates provide or provided asset management services to the Company and Global II pursuant to advisory agreements. On December 22, 2016 (the "Merger Date"), pursuant to the Merger Agreement, Global II merged with and into Mayflower Acquisition LLC (the "Merger Sub"), a Maryland limited liability company and wholly owned subsidiary of the Company, at which time the separate existence of Global II ceased and the Company became the parent of the Merger Sub (the "Merger").

In addition, pursuant to the Merger Agreement, American Realty Capital Global II Operating Partnership, L.P., a Delaware limited partnership and the operating partnership of Global II (the "Global II OP"), merged with Global Net Lease Operating Partnership, L.P. (the "OP"), a Delaware limited partnership, with the OP being the surviving entity (the "Partnership Merger" and together with the Merger, the "Mergers"). As a result of the Mergers, the Company acquired the business of Global II, which immediately prior to the effective time of the Merger, owned a portfolio of commercial properties, including single tenant net-leased commercial properties two of which were located in the U.S., three of which were located in the United Kingdom, and 10 of which were located in continental Europe (see Note 3 — Merger Transaction).

As of June 30, 2017, the Company owned 312 properties consisting of 22.2 million rentable square feet, which were 100% leased, with a weighted average remaining lease term of 9.3 years. Based on original purchase price or acquisition value with respect to properties acquired in the Mergers, 50.5% of the Company's properties are located in Europe and 49.5% of the Company's properties are located in the U.S. and the Commonwealth of Puerto Rico. The Company may also originate or acquire first mortgage loans, mezzanine loans, preferred equity or securitized loans secured by real estate. As of June 30, 2017, the Company did not own any first mortgage loans, mezzanine loans, preferred equity or securitized loans.

Substantially all of the Company's business is conducted through the OP. The Company has retained Global Net Lease Advisors, LLC (the "Advisor") to manage the Company's affairs on a day-to-day basis. The properties are managed and leased by Global Net Lease Properties, LLC (the "Property Manager"). The Advisor, Property Manager, and Global Net Lease Special Limited Partner, LLC (the "Special Limited Partner") are under common control with AR Global Investments, LLC (the successor business to AR Capital, LLC (the "Former Parent of the Sponsor"), "AR Global"), the parent of the Company's Sponsor, as a result of which they are related parties. These related parties receive compensation and fees for various services provided to the Company. The Advisor has entered into a service provider agreement with Moor Park Capital Partners LLP (the "Service Provider"), pursuant to which the Service Provider provides, subject to the Advisor's oversight, certain real estate related services, as well as sourcing and structuring of investment opportunities, performance of due diligence, and arranging debt financing and equity investment syndicates, solely with respect to investments in Europe.

On February 28, 2017, the Company completed a reverse stock split of Common Stock, limited partnership units in the OP ("OP Units") and long term incentive plan units in the OP ("LTIP Units"), at a ratio of 1-for-3 (the “Reverse Stock Split”). No OP Units were issued in connection with the Reverse Stock Split and the Company repurchased any fractional shares of Common Stock resulting from the Reverse Stock Split for cash. No payments were made in respect of any fractional OP Units. The Reverse Stock Split was applied to all of the outstanding shares of Common Stock and therefore did not affect any stockholder’s relative ownership percentage. As a result of the Reverse Stock Split, the number of outstanding shares of Common Stock was reduced from 198.8 million to 66.3 million. In addition, Common Stock was assigned a new CUSIP number upon the market opening on March 1, 2017.

Effective May 24, 2017, following approval by the Company's board of directors, the Company filed an amendment to the Company's charter with the Maryland State Department of Assessments and Taxation, to decrease the total number of shares that the Company has authority to issue from 350.0 million to 116.7 million shares, of which (i) 100.0 million is designated as Common Stock, $0.01 par value per share; and (ii) 16.7 million is designated as preferred stock, $0.01 par value per share.

All references made to share or per share amounts in the accompanying consolidated financial statements and applicable disclosures have been retroactively adjusted to reflect this Reverse Stock Split.

The Company has entered into an Equity Distribution Agreement with UBS Securities LLC, Robert W. Baird & Co. Incorporated, Capital One Securities, Inc., Mizuho Securities USA Inc., FBR Capital Markets & Co. and KeyBanc Capital Markets Inc. (together, the “Agents”) to sell shares of Common Stock, to raise aggregate sales proceeds of $175.0 million, from time to time, pursuant to an “at the market” equity offering program (the “ATM Program”). The Common Stock issued under the ATM Program is registered pursuant to the Company's shelf registration statement on Form S-3 (Registration No. 333-214579). During the three and six months ended June 30, 2017, the Company sold 0.8 million shares of Common Stock through the ATM Program for net sales proceeds of $18.3 million.