v3.26.1
Cover Page Cover Page
Aug. 05, 2026
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Aug. 05, 2026
Entity Registrant Name CHIMERA INVESTMENT CORP
Entity Incorporation, State or Country Code MD
Entity File Number 1-33796
Entity Tax Identification Number 26-0630461
Entity Address, Address Line One , 32nd Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10020
City Area Code 888
Local Phone Number 895-6557
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001409493
Amendment Flag false
Common Stock, par value $0.01 per share  
Entity Information [Line Items]  
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol CIM
Security Exchange Name NYSE
8.00% Series A Cumulative Redeemable Preferred Stock  
Entity Information [Line Items]  
Title of 12(b) Security 8.00% Series A Cumulative Redeemable Preferred Stock
Trading Symbol CIM PRA
Security Exchange Name NYSE
8.00% Series B Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock  
Entity Information [Line Items]  
Title of 12(b) Security 8.00% Series B Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Trading Symbol CIM PRB
Security Exchange Name NYSE
7.75% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock  
Entity Information [Line Items]  
Title of 12(b) Security 7.75% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Trading Symbol CIM PRC
Security Exchange Name NYSE
8.00% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock  
Entity Information [Line Items]  
Title of 12(b) Security 8.00% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Trading Symbol CIM PRD
Security Exchange Name NYSE
9.000% Senior Notes due 2029  
Entity Information [Line Items]  
Title of 12(b) Security 9.000% Senior Notes due 2029
Trading Symbol CIMN
Security Exchange Name NYSE
9.250% Senior Notes due 2029  
Entity Information [Line Items]  
Title of 12(b) Security 9.250% Senior Notes due 2029
Trading Symbol CIMO
Security Exchange Name NYSE
8.875% Senior Notes due 2030  
Entity Information [Line Items]  
Title of 12(b) Security 8.875% Senior Notes due 2030
Trading Symbol CIMP
Security Exchange Name NYSE