Organization	9 Months Ended
Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Organization Apollo Commercial Real Estate Finance, Inc. (together with its consolidated subsidiaries, referred to throughout this report as the “Company,” “ARI,” “we,” “us” and “our”) is a corporation that has elected to be taxed as a real estate investment trust (“REIT”) for U.S. federal income tax purposes and primarily originates, acquires, invests in and manages performing commercial first mortgage loans, subordinate financings, commercial mortgage-backed securities (“CMBS”) and other commercial real estate-related debt investments in the United States. These asset classes are referred to as the Company’s target assets. The Company, organized in Maryland on June 29, 2009, commenced operations on September 29, 2009 and is externally managed and advised by ACREFI Management, LLC (the “Manager”), an indirect subsidiary of Apollo Global Management, LLC (together with its subsidiaries, “Apollo”). The Company elected to be taxed as a REIT under the Internal Revenue Code of 1986, as amended, commencing with the taxable year ended December 31, 2009. To maintain its tax qualification as a REIT, the Company is required to distribute at least 90% of its taxable income, excluding net capital gains, to stockholders and meet certain other asset, income, and ownership tests.

Organization

Apollo Commercial Real Estate Finance, Inc. (together with its consolidated subsidiaries, referred to throughout this report as the “Company,” “ARI,” “we,” “us” and “our”) is a corporation that has elected to be taxed as a real estate investment trust (“REIT”) for U.S. federal income tax purposes and primarily originates, acquires, invests in and manages performing commercial first mortgage loans, subordinate financings, commercial mortgage-backed securities (“CMBS”) and other commercial real estate-related debt investments in the United States. These asset classes are referred to as the Company’s target assets.

The Company, organized in Maryland on June 29, 2009, commenced operations on September 29, 2009 and is externally managed and advised by ACREFI Management, LLC (the “Manager”), an indirect subsidiary of Apollo Global Management, LLC (together with its subsidiaries, “Apollo”).

The Company elected to be taxed as a REIT under the Internal Revenue Code of 1986, as amended, commencing with the taxable year ended December 31, 2009. To maintain its tax qualification as a REIT, the Company is required to distribute at least 90% of its taxable income, excluding net capital gains, to stockholders and meet certain other asset, income, and ownership tests.