v3.25.3
Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Statement of Comprehensive Income [Abstract]        
Net income (loss) $ 5,548 $ (3,392) $ (4,706) $ (5,735)
Other comprehensive income (loss):        
Foreign currency translation adjustment (608) 774 989 (1,144)
Foreign currency hedge contract (losses) gains 0 (538) (498) 1,322
Interest rate swap and cap contract gains (losses) 0 (1,626) 1,606 (2,940)
Other comprehensive income (loss) (608) (1,390) 2,097 (2,762)
Comprehensive income (loss) 4,940 (4,782) (2,609) (8,497)
Comprehensive income (loss) attributable to noncontrolling interests:        
Comprehensive (income) loss attributable to noncontrolling interests (285) 482 256 737
Comprehensive income (loss) attributable to SmartStop Self Storage REIT, Inc. stockholders $ 4,655 $ (4,300) $ (2,353) $ (7,760)