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\section{Discussion}  We conclude by briefly discussing the dependence of satellite quenching timescales on $\mstar$ from Figure~\ref{fig:quench_times} in the context of the underlying physical drivers. physics.  At $\mstar\gtrsim10^9\msun$, the long quenching timescales suggests quenching driven by gas depletion in the absence of cosmic accretion, caused by the stripping of extended gas around the satellite, after infall (``strangulation'').  This scenario also explains the decline of the quenching timescale with increasing $\mstar$, because higher-$\mstar$ (non-satellite) galaxies generally have lower $\mgas/\mstar$ \citep[in either cold atomic or molecular gas, e.g.,][Bradford et al., submitted]{Schiminovich2010, Huang2012, Boselli2014} and thus shorter gas depletion timescales in the absence of accretion.