v3.26.1
Shareholders' Equity - Schedule of Distributions (Details) - $ / shares
Jun. 30, 2026
Mar. 31, 2026
Jan. 30, 2026
F-STE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share $ 0.3424    
F-STE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   $ 0.3399 $ 0.11
F-DTE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share 0.3424    
F-DTE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   0.3399 0.11
F-ITE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share 0.3424    
F-ITE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   0.3399 0.11
F-JTE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share 0.3424    
F-JTE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   0.3399 0.11
STE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share 0.3424    
STE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   0.3399 0.11
DTE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share 0.3424    
DTE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   0.3399 0.11
ITE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share 0.3424    
ITE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   0.3399 0.11
JTE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share 0.3424    
JTE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   0.3399 0.11
ETE Shares [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share $ 0.3424    
ETE Shares [Member] | ISQ Open Infrastructure Company LLC Series I [Member]      
Schedule of Distributions [Line Items]      
Net Distribution Per Share   $ 0.3399 $ 0.11