XML 71 R59.htm IDEA: XBRL DOCUMENT v3.21.1
LOANS - Summary of Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]    
Interest income $ 687,405 $ 51,553
Net gains (losses) on disposal of investments and other (65,786) 206,583
Net income (loss) attributable to Annaly 1,750,813 (3,640,255)
Residential Mortgage Loans    
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]    
Interest income 37,109 47,557
Net gains (losses) on disposal of investments and other (5,220) (12,000)
Net unrealized gains (losses) on instruments measured at fair value through earnings 22,455 (192,763)
Net income (loss) attributable to Annaly $ 54,344 $ (157,206)