3.26.1 html 2 5 1 false 0 0 false 0 false false R1.htm 995100 - Document - Cover Sheet http://xbrl.sec.gov/dei/role/document/Cover Cover Cover 1 false false R2.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 2 false false All Reports Book All Reports sst-20260622.htm sst-20260622.xsd sst-20260622_g1.jpg sst-20260622_g10.jpg sst-20260622_g11.jpg sst-20260622_g12.jpg sst-20260622_g13.jpg sst-20260622_g14.jpg sst-20260622_g15.jpg sst-20260622_g16.jpg sst-20260622_g17.jpg sst-20260622_g18.jpg sst-20260622_g19.jpg sst-20260622_g2.jpg sst-20260622_g20.jpg sst-20260622_g21.jpg sst-20260622_g22.jpg sst-20260622_g23.jpg sst-20260622_g24.jpg sst-20260622_g25.jpg sst-20260622_g26.jpg sst-20260622_g27.jpg sst-20260622_g28.jpg sst-20260622_g29.jpg sst-20260622_g3.jpg sst-20260622_g30.jpg sst-20260622_g31.jpg sst-20260622_g32.jpg sst-20260622_g33.jpg sst-20260622_g34.jpg sst-20260622_g35.jpg sst-20260622_g36.jpg sst-20260622_g37.jpg sst-20260622_g38.jpg sst-20260622_g39.jpg sst-20260622_g4.jpg sst-20260622_g40.jpg sst-20260622_g41.jpg sst-20260622_g42.jpg sst-20260622_g43.jpg sst-20260622_g44.jpg sst-20260622_g45.jpg sst-20260622_g46.jpg sst-20260622_g47.jpg sst-20260622_g48.jpg sst-20260622_g49.jpg sst-20260622_g5.jpg sst-20260622_g50.jpg sst-20260622_g51.jpg sst-20260622_g52.jpg sst-20260622_g53.jpg sst-20260622_g6.jpg sst-20260622_g7.jpg sst-20260622_g8.jpg sst-20260622_g9.jpg http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 false false