Organization and Investment Objective

3 Months Ended

Mar. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Investment Objective

Organization and Investment Objective

Ellington Financial LLC was formed as a Delaware limited liability company on July 9, 2007 and commenced operations on August 17, 2007. Ellington Financial Operating Partnership LLC (the "Operating Partnership"), a 99.2% owned consolidated subsidiary of Ellington Financial LLC, was formed as a Delaware limited liability company on December 14, 2012 and commenced operations on January 1, 2013. All of the Company's operations and business activities are conducted through the Operating Partnership. Ellington Financial LLC, the Operating Partnership, and the consolidated subsidiaries are hereafter collectively referred to as the ("Company"). All inter-company accounts are eliminated in consolidation.

The Company is a specialty finance company that acquires and manages mortgage-related assets, including residential mortgage-backed securities, or "RMBS," backed by prime jumbo, Alt-A, manufactured housing, and subprime residential mortgage loans, RMBS for which the principal and interest payments are guaranteed by a U.S. government agency or a U.S. government-sponsored enterprise, residential mortgage loans, mortgage-related derivatives, commercial mortgage-backed securities, or "CMBS," commercial mortgage loans and other commercial real estate debt, as well as corporate debt and equity securities, and derivatives. The Company may also opportunistically acquire and manage other types of mortgage-related assets and financial assets, such as non-mortgage related derivatives and real property.

Ellington Financial Management LLC ("EFM" or the "Manager") is a registered investment adviser and a registered commodity pool operator that serves as the Manager to the Company pursuant to the terms of a management agreement (the "Management Agreement"). EFM is an affiliate of Ellington Management Group, L.L.C., an investment management firm that is registered as both an investment adviser and a commodity pool operator. In accordance with the terms of the Management Agreement, the Manager implements the investment strategy and manages the business and operations on a day-to-day basis for the Company and performs certain services for the Company, subject to oversight by the Board of Directors.