| IST Governo Bond Hedged CHF II  | 
                                                                - | 
EN | 
                                                                - | 
                                                                -100.00 | 
                                                                on request | 
                                                                on request | 
                                                                on request | 
                                                                on request | 
                                                                on request | 
                                                                25.09.2024 | 
                                                                19376713 | 
                                                                on request | 
                                                                - | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Governo Bond Hedged CHF III  | 
                                                                DE|FR | 
- | 
                                                                DE|FR | 
                                                                0.21 | 
                                                                1'196.11 | 
                                                                1'197.31 | 
                                                                1'194.91 | 
                                                                1'196.17 | 
                                                                -0.06 | 
                                                                31.10.2025 | 
                                                                10964589 | 
                                                                0.28 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Foreign Bonds CHF I  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.33 | 
                                                                1'515.83 | 
                                                                1'516.89 | 
                                                                1'514.77 | 
                                                                1'516.10 | 
                                                                -0.27 | 
                                                                31.10.2025 | 
                                                                287595 | 
                                                                0.32 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Foreign Bonds CHF II  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.38 | 
                                                                1'528.91 | 
                                                                1'529.98 | 
                                                                1'527.84 | 
                                                                1'529.11 | 
                                                                -0.20 | 
                                                                31.10.2025 | 
                                                                2902885 | 
                                                                0.26 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Foreign Bonds CHF III  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.41 | 
                                                                1'536.94 | 
                                                                1'538.02 | 
                                                                1'535.86 | 
                                                                1'537.09 | 
                                                                -0.15 | 
                                                                31.10.2025 | 
                                                                2902904 | 
                                                                0.22 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Foreign Bonds Hedged CHF I  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                0.99 | 
                                                                1'071.32 | 
                                                                1'073.46 | 
                                                                1'069.18 | 
                                                                1'071.46 | 
                                                                -0.14 | 
                                                                31.10.2025 | 
                                                                10964492 | 
                                                                0.34 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Foreign Bonds Hedged CHF II  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.04 | 
                                                                1'086.91 | 
                                                                1'089.08 | 
                                                                1'084.74 | 
                                                                1'087.00 | 
                                                                -0.09 | 
                                                                31.10.2025 | 
                                                                19376482 | 
                                                                0.28 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Foreign Bonds Hedged CHF III  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.08 | 
                                                                1'094.33 | 
                                                                1'096.52 | 
                                                                1'092.14 | 
                                                                1'094.38 | 
                                                                -0.05 | 
                                                                31.10.2025 | 
                                                                10964552 | 
                                                                0.24 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Swiss Bonds Index I  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.06 | 
                                                                1'532.80 | 
                                                                1'539.70 | 
                                                                1'532.80 | 
                                                                1'532.96 | 
                                                                -0.16 | 
                                                                31.10.2025 | 
                                                                287597 | 
                                                                0.17 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Swiss Bonds Index II  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.09 | 
                                                                1'554.33 | 
                                                                1'561.32 | 
                                                                1'554.33 | 
                                                                1'554.44 | 
                                                                -0.11 | 
                                                                31.10.2025 | 
                                                                2902859 | 
                                                                0.13 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Swiss Bonds Index III  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                1.12 | 
                                                                1'562.49 | 
                                                                1'569.52 | 
                                                                1'562.49 | 
                                                                1'562.55 | 
                                                                -0.06 | 
                                                                31.10.2025 | 
                                                                2902867 | 
                                                                0.09 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Global Corporates IG Hedged CHF III  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                2.82 | 
                                                                891.97 | 
                                                                894.20 | 
                                                                891.08 | 
                                                                892.03 | 
                                                                -0.06 | 
                                                                31.10.2025 | 
                                                                55369482 | 
                                                                0.30 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Global Convertibles Hedged CHF I  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                14.66 | 
                                                                182.40 | 
                                                                182.58 | 
                                                                182.22 | 
                                                                182.42 | 
                                                                -0.02 | 
                                                                31.10.2025 | 
                                                                4493575 | 
                                                                0.56 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Global Convertibles Hedged CHF II  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                14.71 | 
                                                                184.87 | 
                                                                185.05 | 
                                                                184.69 | 
                                                                184.88 | 
                                                                -0.01 | 
                                                                31.10.2025 | 
                                                                19506361 | 
                                                                0.50 | 
                                                                DE|FR | 
                                                                Prices | 
                                                            
                                                            
                                                                | IST Global Convertibles Hedged CHF III  | 
                                                                DE|FR | 
EN | 
                                                                DE|FR | 
                                                                14.75 | 
                                                                186.44 | 
                                                                186.63 | 
                                                                186.25 | 
                                                                186.45 | 
                                                                -0.01 | 
                                                                31.10.2025 | 
                                                                4493674 | 
                                                                0.46 | 
                                                                DE|FR | 
                                                                Prices |