v3.26.1
Fair Value - Fair Value Option Disclosure (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
CNSREIT    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair value $ 119,032 $ 80,865
CNSREIT | Non-Traded REIT    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Ownership Interest 35.10% 36.90%
Cohen & Steers Short Duration Preferred and Income Active ETF    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair value $ 19,801  
Cohen & Steers Short Duration Preferred and Income Active ETF | ETFs    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Ownership Interest 42.50%  
Cohen & Steers Natural Resources Active ETF    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair value $ 19,703 $ 17,906
Cohen & Steers Natural Resources Active ETF | ETFs    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Ownership Interest 21.70% 35.70%
Cohen & Steers Infrastructure Opportunities Active ETF    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair value $ 16,846  
Cohen & Steers Infrastructure Opportunities Active ETF | ETFs    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Ownership Interest 38.10%