XML 12 R1.htm IDEA: XBRL DOCUMENT v3.22.1
Cover - shares
3 Months Ended
Mar. 31, 2022
May 06, 2022
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2022  
Document Transition Report false  
Entity File Number 001-35845  
Entity Registrant Name LUMENT FINANCE TRUST, INC.  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 45-4966519  
Entity Address, Address Line One 230 Park Avenue  
Entity Address, Address Line Two 20th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10169  
City Area Code 212  
Local Phone Number 317-5700  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   52,225,152
Amendment Flag false  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001547546  
Current Fiscal Year End Date --12-31  
Redeemable Preferred Stock    
Entity Information [Line Items]    
Title of 12(b) Security 7.875% Series A Cumulative Redeemable Preferred Stock, par value $0.01 per share  
Trading Symbol LFTPrA  
Security Exchange Name NYSE  
Common Stock    
Entity Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol LFT  
Security Exchange Name NYSE