Organization	6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Organization Chimera Investment Corporation, or the Company, was incorporated in Maryland on June 1, 2007 and started trading on the NYSE in November 2007. The Company elected to be taxed as a real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, and regulations promulgated thereunder, or the Code. The Company is a diversified, internally managed REIT, that serves the U.S. residential real estate market. Through its Investment Portfolio and Residential Origination segments, the Company acquires, manages, finances and originates residential mortgage and real estate-related assets, with the objective of delivering attractive risk-adjusted returns to shareholders. The Company conducts its operations through various subsidiaries, including subsidiaries it treats as taxable REIT subsidiaries, or TRSs. In general, a TRS may hold assets and engage in activities that the Company cannot hold or engage in directly and generally may engage in any real estate or non-real estate related business. The Company currently has thirteen wholly-owned direct subsidiaries: Chimera RMBS Whole Pool LLC and Chimera RMBS LLC formed in June 2009; CIM Trading Company LLC, or CIM Trading, formed in July 2010; Chimera Funding TRS LLC, or CIM Funding TRS, a TRS formed in October 2013; Chimera CMBS Whole Pool LLC and Chimera RMBS Securities LLC formed in March 2015; Chimera RR Holding LLC formed in April 2016; NYH Funding LLC, a TRS formed in May 2019; Kali 2020 Holdings LLC formed in May 2020; Varuna Capital Partners LLC formed in September 2020; Aarna Holdings LLC formed in November 2020; CIM Advisory Holding TRS LLC formed in October 2024; and CIM XSMSR LLC formed in July 2025. On December 2, 2024, the Company acquired The Palisades Group, LLC (“TPG”), Palisades Advisory Services, LLC (“PAS”), Palisades Technology Holdings, LLC, and their respective subsidiaries (the “Palisades Acquisition”). As a result of the Palisades Acquisition, the Company began providing investment management and advisory services primarily through TPG and PAS (together with TPG, “Palisades”). TPG is registered with the SEC as an investment adviser under the Investment Advisers Act of 1940 (the “Advisers Act”), and PAS is a relying adviser with respect to TPG’s investment adviser registration. PAS is the asset manager for certain securitizations sponsored by the Company and received $36 thousand and $73 thousand for the quarter and six months ended June 30, 2026 and $45 thousand for the quarter and six months ended June 30, 2025, in asset manager fees, respectively. On June 8, 2026, PAS entered into a transition services agreement, effective as of April 1, 2026, to facilitate the transition of certain investment management and advisory services through December 31, 2027, to a third-party servicer provider. Under the agreement, certain investment management and advisory fees are contractually allocated between PAS and the sub-advisor during the transition period. The portion allocated to the sub-advisor is reflected as a reduction of Investment management and advisory fees in the Consolidated Statements of Operations. On October 1, 2025, the Company acquired HomeXpress Mortgage Corp. (the “HomeXpress Acquisition”). HomeXpress Mortgage Corp. (“HomeXpress”) is a leading originator of Non-QM residential mortgage loans (both consumer loans and Investor Loans) and other Non-Agency and Agency mortgage loan products with a nationwide presence across 46 states and D.C. On May 18, 2022, the Company made a $75 million capital commitment to a fund managed by Kah Capital Management, LLC. During the quarter and six months ended June 30, 2026, the Company did not make any additional fundings toward the commitment, and the total remained $57 million leaving an unfunded commitment of $18 million. The Company's investment in this fund, which had a carrying amount of $70 million as of June 30, 2026, is included within the Investment Portfolio segment and is accounted for under the equity method within Other assets on the Consolidated Statements of Financial Condition. The Company records any gains and losses associated with its equity method investments in Other investment gains (losses) on the Consolidated Statements of Operations. Kah Capital Management ceased to provide asset servicing oversight as of the end of the first quarter of 2025. There were no mortgage asset servicing oversight fees paid to Kah Capital Management during the quarter and the six months ended June 30, 2026. The Company paid $118 thousand of mortgage asset servicing oversight fees to Kah Capital Management during the quarter and six months ended June 30, 2025 These fees are reported within Other expenses on the Consolidated Statements of Operations.

Chimera Investment Corporation, or the Company, was incorporated in Maryland on June 1, 2007 and started trading on the NYSE in November 2007. The Company elected to be taxed as a real estate investment trust, or REIT, under the Internal Revenue Code of 1986, as amended, and regulations promulgated thereunder, or the Code.

The Company is a diversified, internally managed REIT, that serves the U.S. residential real estate market. Through its Investment Portfolio and Residential Origination segments, the Company acquires, manages, finances and originates residential mortgage and real estate-related assets, with the objective of delivering attractive risk-adjusted returns to shareholders.

The Company conducts its operations through various subsidiaries, including subsidiaries it treats as taxable REIT subsidiaries, or TRSs. In general, a TRS may hold assets and engage in activities that the Company cannot hold or engage in directly and generally may engage in any real estate or non-real estate related business. The Company currently has thirteen wholly-owned direct subsidiaries: Chimera RMBS Whole Pool LLC and Chimera RMBS LLC formed in June 2009; CIM Trading Company LLC, or CIM Trading, formed in July 2010; Chimera Funding TRS LLC, or CIM Funding TRS, a TRS formed in October 2013; Chimera CMBS Whole Pool LLC and Chimera RMBS Securities LLC formed in March 2015; Chimera RR Holding LLC formed in April 2016; NYH Funding LLC, a TRS formed in May 2019; Kali 2020 Holdings LLC formed in May 2020; Varuna Capital Partners LLC formed in September 2020; Aarna Holdings LLC formed in November 2020; CIM Advisory Holding TRS LLC formed in October 2024; and CIM XSMSR LLC formed in July 2025.

On December 2, 2024, the Company acquired The Palisades Group, LLC (“TPG”), Palisades Advisory Services, LLC (“PAS”), Palisades Technology Holdings, LLC, and their respective subsidiaries (the “Palisades Acquisition”). As a result of the Palisades Acquisition, the Company began providing investment management and advisory services primarily through TPG and PAS (together with TPG, “Palisades”). TPG is registered with the SEC as an investment adviser under the Investment Advisers Act of 1940 (the “Advisers Act”), and PAS is a relying adviser with respect to TPG’s investment adviser registration. PAS is the asset manager for certain securitizations sponsored by the Company and received $36 thousand and $73 thousand for the quarter and six months ended June 30, 2026 and $45 thousand for the quarter and six months ended June 30, 2025, in asset manager fees, respectively.

On June 8, 2026, PAS entered into a transition services agreement, effective as of April 1, 2026, to facilitate the transition of certain investment management and advisory services through December 31, 2027, to a third-party servicer provider. Under the agreement, certain investment management and advisory fees are contractually allocated between PAS and the sub-advisor during the transition period. The portion allocated to the sub-advisor is reflected as a reduction of Investment management and advisory fees in the Consolidated Statements of Operations.

On October 1, 2025, the Company acquired HomeXpress Mortgage Corp. (the “HomeXpress Acquisition”). HomeXpress Mortgage Corp. (“HomeXpress”) is a leading originator of Non-QM residential mortgage loans (both consumer loans and Investor Loans) and other Non-Agency and Agency mortgage loan products with a nationwide presence across 46 states and D.C.

On May 18, 2022, the Company made a $75 million capital commitment to a fund managed by Kah Capital Management, LLC. During the quarter and six months ended June 30, 2026, the Company did not make any additional fundings toward the commitment, and the total remained $57 million leaving an unfunded commitment of $18 million. The Company's investment in this fund, which had a carrying amount of $70 million as of June 30, 2026, is included within the Investment Portfolio segment and is accounted for under the equity method within Other assets on the Consolidated Statements of Financial Condition. The Company records any gains and losses associated with its equity method investments in Other investment gains (losses) on the Consolidated Statements of Operations. Kah Capital Management ceased to provide asset servicing oversight as of the end of the first quarter of 2025. There were no mortgage asset servicing oversight fees paid to Kah Capital Management during the quarter and the six months ended June 30, 2026. The Company paid $118 thousand of mortgage asset servicing oversight fees to Kah Capital Management during the quarter and six months ended June 30, 2025 These fees are reported within Other expenses on the Consolidated Statements of Operations.