def variableRefs(self, progs=[], varRefSet=None):
        try:
            return self._variableRefs
        except __HOLE__:
            self._variableRefs = super(ModelFactVariable, self).variableRefs(self.fallbackValueProg, varRefSet)
            return self._variableRefs
dataset/ETHPy150Open Arelle/Arelle/arelle/ModelFormulaObject.py/ModelFactVariable.variableRefs