v3.25.4
Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement of Comprehensive Income [Abstract]      
Net (loss) income $ (1,737) $ (5,887) $ 11,647
Other comprehensive income (loss):      
Foreign currency translation adjustment 1,484 (3,915) 1,481
Foreign currency hedge contract (losses) gains (498) 3,617 (1,066)
Interest rate swap and cap contract gains (losses) 1,607 (2,606) (3,594)
Other comprehensive income (loss) 2,593 (2,904) (3,179)
Comprehensive income (loss) 856 (8,791) 8,468
Comprehensive loss (income) attributable to noncontrolling interests:      
Comprehensive loss (income) attributable to noncontrolling interests 38 615 (1,522)
Comprehensive income (loss) attributable to SmartStop Self Storage REIT, Inc. stockholders $ 894 $ (8,176) $ 6,946