| r0.C0580 | s2md_a2.root/Catastrophe Risk Charge Share marine hull in tanker t before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x94 | s2c_SE:x44 | s2c_AM:x80 |
| r0.C0590 | s2md_a2.root/Catastrophe Risk Charge Share marine liability in tanker t before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x95 | s2c_SE:x44 | s2c_AM:x80 |
| r0.C0600 | s2md_a2.root/Catastrophe Risk Charge Share marine oil pollution liability in tanker t before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x96 | s2c_SE:x44 | s2c_AM:x80 |
| r0.C0610 | s2md_a2.root/Catastrophe Risk Charge Marine Tanker Collision before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| r0.C0620 | s2md_a2.root/Estimated Risk Mitigation | s2md_met:mi689 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| r0.C0630 | s2md_a2.root/Estimated Reinstatement Premiums | s2md_met:mi688 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| r0.C0640 | s2md_a2.root/Catastrophe Risk Charge Marine Tanker Collision after risk mitigation | s2md_met:mi685 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| r0.C0650 | s2md_a2.root/Name of vessel | s2md_met:si2271 | xbrli:stringItemType | instant | s2c_CS:x1 | N/A | N/A | N/A | s2c_SE:x44 | N/A |
| R2200.C0580 | Marine Tanker Collision/Catastrophe Risk Charge Share marine hull in tanker t before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x94 | s2c_SE:x44 | s2c_AM:x80 |
| R2200.C0590 | Marine Tanker Collision/Catastrophe Risk Charge Share marine liability in tanker t before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x95 | s2c_SE:x44 | s2c_AM:x80 |
| R2200.C0600 | Marine Tanker Collision/Catastrophe Risk Charge Share marine oil pollution liability in tanker t before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x96 | s2c_SE:x44 | s2c_AM:x80 |
| R2200.C0610 | Marine Tanker Collision/Catastrophe Risk Charge Marine Tanker Collision before risk mitigation | s2md_met:mi149 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| R2200.C0620 | Marine Tanker Collision/Estimated Risk Mitigation | s2md_met:mi689 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| R2200.C0630 | Marine Tanker Collision/Estimated Reinstatement Premiums | s2md_met:mi688 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| R2200.C0640 | Marine Tanker Collision/Catastrophe Risk Charge Marine Tanker Collision after risk mitigation | s2md_met:mi685 | xbrli:monetaryItemType | instant | s2c_CS:x1 | s2c_VM:x20 | s2c_EX:x4 | s2c_RT:x93 | s2c_SE:x44 | s2c_AM:x80 |
| R2200.C0650 | Marine Tanker Collision/Name of vessel | s2md_met:si2271 | xbrli:stringItemType | instant | s2c_CS:x1 | N/A | N/A | N/A | s2c_SE:x44 | N/A |