  The stationary black hole solution of a Chern-Simons model based on the
semi-simple extension of the Poincar\'e gauge group is studied. The solution
resembles the metric properties of the BTZ geometry but contains, in addition,
non-vanishing torsion. The global structure of spacetime is characterized by
three conserved charges: two associated with the mass and angular momentum and
one extra constant triggered by spacetime torsion. Consequently, we show that
the entropy deviates from the standard Bekenstein-Hawking value and discuss the
implications of torsional charges in the context of black hole thermodynamics.
