def dimValue(self, dimQname):
        """(ModelDimension or QName) -- ModelDimension object if dimension is reported (in either context element), or QName of dimension default if there is a default, otherwise None"""
        try:
            return self.qnameDims[dimQname]
        except __HOLE__:
            try:
                return self.modelXbrl.qnameDimensionDefaults[dimQname]
            except KeyError:
                return None
dataset/ETHPy150Open Arelle/Arelle/arelle/PrototypeInstanceObject.py/ContextPrototype.dimValue