v3.25.4
COVER - USD ($)
 12 Months Ended
Dec. 31, 2025
Feb. 13, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-32216    
Entity Registrant Name ADAMAS TRUST, INC.    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 47-0934168    
Entity Address, Address Line One 90 Park Avenue    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10016    
City Area Code 212    
Local Phone Number 792-0107    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 595,566,089
Entity Common Stock, Shares Outstanding   90,474,341  
Documents Incorporated by Reference
Document Where
Incorporated
  
1.     Portions of the Registrant's Definitive Proxy Statement relating to its 2026 Annual Meeting of Stockholders scheduled for June 2026 to be filed with the Securities and Exchange Commission by no later than April 30, 2026. 
 Part III, Items 10-14
    
Amendment Flag false    
Entity Central Index Key 0001273685    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Common Stock, par value $0.01 per share      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol ADAM    
Security Exchange Name NASDAQ    
8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference      
Document Information [Line Items]      
Title of 12(b) Security 8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference    
Trading Symbol ADAMN    
Security Exchange Name NASDAQ    
7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference      
Document Information [Line Items]      
Title of 12(b) Security 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference    
Trading Symbol ADAMM    
Security Exchange Name NASDAQ    
6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference      
Document Information [Line Items]      
Title of 12(b) Security 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference    
Trading Symbol ADAML    
Security Exchange Name NASDAQ    
7.000% Series G Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference      
Document Information [Line Items]      
Title of 12(b) Security 7.000% Series G Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference    
Trading Symbol ADAMZ    
Security Exchange Name NASDAQ    
9.125% Senior Notes due 2029      
Document Information [Line Items]      
Title of 12(b) Security 9.125% Senior Notes due 2029    
Trading Symbol ADAMI    
Security Exchange Name NASDAQ    
9.125% Senior Notes due 2030      
Document Information [Line Items]      
Title of 12(b) Security 9.125% Senior Notes due 2030    
Trading Symbol ADAMG    
Security Exchange Name NASDAQ    
9.875% Senior Notes due 2030      
Document Information [Line Items]      
Title of 12(b) Security 9.875% Senior Notes due 2030    
Trading Symbol ADAMH    
Security Exchange Name NASDAQ    
9.250% Senior Notes due 2031      
Document Information [Line Items]      
Title of 12(b) Security 9.250% Senior Notes due 2031    
Trading Symbol ADAMO    
Security Exchange Name NASDAQ