Idaho Code § 40-1605
At the time and place specified in the notice, the commissioners shall proceed to consider the petition and all written objections filed with them and shall hear all persons in relation to it. Upon the conclusion of the hearing, which may be continued from day to day, if the commissioners shall determine that the detachment from the highway district of the territory described in the petition is practicable and to the best interests of the territory and of the highway district, they shall enter an order directing that the question of the detachment of the territory be submitted to the qualified electors of the district at an election to be held within the district on a date authorized in section 34-106, Idaho Code, which is not less than thirty (30) days from and after the date of the order.
Idaho Code § 40-1605