It is the intent of this chapter that cities of the state of Idaho shall have general authority to manage real property owned by the city in ways which the judgment of the city council of each city deems to be in the public interest. The city council shall have the power to sell, exchange or convey, by good and sufficient deed or other appropriate instrument in writing, any real property owned by the city which is underutilized or which is not used for public purposes.
Idaho Code § 50-1401