Organization	6 Months Ended
Jun. 30, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Organization	Note 1 – Organization Seritage Growth Properties (“Seritage” or the “Company”) was organized in Maryland on June 3, 2015 and was initially capitalized with 100 shares of Class A common shares. The Company conducts its operations through Seritage Growth Properties, L.P. (the “Operating Partnership”), a Delaware limited partnership that was formed on April 22, 2015. Unless the context otherwise requires, “Seritage” and the “Company” refer to Seritage, the Operating Partnership, and its subsidiaries. On June 11, 2015, Sears Holdings Corporation (“Sears Holdings” or “Sears”) effected a rights offering (the “Rights Offering”) to Sears Holdings stockholders to purchase common shares of Seritage in order to fund, in part, the $2.7 billion acquisition of (i) 234 of Sears Holdings’ owned properties and one of its ground leased properties, and (ii) its 50% interests in three joint ventures that collectively owned 28 properties, ground leased one property and leased two properties (the “Transaction”). The Rights Offering ended on July 2, 2015, and the Company’s Class A common shares were listed on the New York Stock Exchange (“NYSE”) on July 6, 2015. On July 7, 2015, the Company completed the Transaction with Sears Holdings and commenced operations. The Company did not have any operations prior to the completion of the Rights Offering and the Transaction. Seritage is a fully-integrated, self-administered, self-managed real estate investment trust (“REIT”) primarily engaged in the real property business through the Company’s investment in the Operating Partnership. As of June 30, 2018, the Company’s portfolio consisted of interests in 248 properties totaling approximately 38.7 million square feet of gross leasable area (“GLA”), including 222 wholly owned properties totaling approximately 34.1 million square feet of GLA across 49 states and Puerto Rico (the “Wholly Owned Properties), and interests in 26 joint venture properties totaling approximately 4.6 million square feet of GLA across 13 states (the “JV Properties”). As of June 30, 2018, we leased space at 144 Wholly Owned Properties to Sears Holdings pursuant to a master lease agreement (the “Master Lease”), including 72 properties leased only to Sears Holdings and 72 properties leased to both Sears Holdings and one or more diversified, non-Sears tenants. The remaining 78 Wholly Owned Properties include 55 properties that are leased solely to diversified, non-Sears tenants and 23 unleased properties. As of June 30, 2018, space at 22 JV Properties was also leased to Sears Holdings pursuant to lease agreements similar to the Master Lease (the “JV Master Leases”). Sears Holdings is the sole tenant at nine JV Properties and 13 JV properties are leased to both Sears Holdings and one or more diversified, non-Sears tenants. Three JV Properties are leased solely to diversified, non-Sears tenants and one JV Property was unleased as of June 30, 2018. The Master Lease and the JV Master Leases provide the Company and the JVs with the right to recapture certain space from Sears Holdings at each property for retenanting or redevelopment purposes.

Note 1 – Organization

Seritage Growth Properties (“Seritage” or the “Company”) was organized in Maryland on June 3, 2015 and was initially capitalized with 100 shares of Class A common shares. The Company conducts its operations through Seritage Growth Properties, L.P. (the “Operating Partnership”), a Delaware limited partnership that was formed on April 22, 2015. Unless the context otherwise requires, “Seritage” and the “Company” refer to Seritage, the Operating Partnership, and its subsidiaries.

On June 11, 2015, Sears Holdings Corporation (“Sears Holdings” or “Sears”) effected a rights offering (the “Rights Offering”) to Sears Holdings stockholders to purchase common shares of Seritage in order to fund, in part, the $2.7 billion acquisition of (i) 234 of Sears Holdings’ owned properties and one of its ground leased properties, and (ii) its 50% interests in three joint ventures that collectively owned 28 properties, ground leased one property and leased two properties (the “Transaction”). The Rights Offering ended on July 2, 2015, and the Company’s Class A common shares were listed on the New York Stock Exchange (“NYSE”) on July 6, 2015.

On July 7, 2015, the Company completed the Transaction with Sears Holdings and commenced operations. The Company did not have any operations prior to the completion of the Rights Offering and the Transaction.

Seritage is a fully-integrated, self-administered, self-managed real estate investment trust (“REIT”) primarily engaged in the real property business through the Company’s investment in the Operating Partnership. As of June 30, 2018, the Company’s portfolio consisted of interests in 248 properties totaling approximately 38.7 million square feet of gross leasable area (“GLA”), including 222 wholly owned properties totaling approximately 34.1 million square feet of GLA across 49 states and Puerto Rico (the “Wholly Owned Properties), and interests in 26 joint venture properties totaling approximately 4.6 million square feet of GLA across 13 states (the “JV Properties”).

As of June 30, 2018, we leased space at 144 Wholly Owned Properties to Sears Holdings pursuant to a master lease agreement (the “Master Lease”), including 72 properties leased only to Sears Holdings and 72 properties leased to both Sears Holdings and one or more diversified, non-Sears tenants. The remaining 78 Wholly Owned Properties include 55 properties that are leased solely to diversified, non-Sears tenants and 23 unleased properties. As of June 30, 2018, space at 22 JV Properties was also leased to Sears Holdings pursuant to lease agreements similar to the Master Lease (the “JV Master Leases”). Sears Holdings is the sole tenant at nine JV Properties and 13 JV properties are leased to both Sears Holdings and one or more diversified, non-Sears tenants. Three JV Properties are leased solely to diversified, non-Sears tenants and one JV Property was unleased as of June 30, 2018.

The Master Lease and the JV Master Leases provide the Company and the JVs with the right to recapture certain space from Sears Holdings at each property for retenanting or redevelopment purposes.