Idaho Code § 8-303

A writ of possession shall not issue until plaintiff has filed with the court a written undertaking executed by two (2) or more sufficient sureties, to the effect that they are bound to the defendant in double the value of the property, as determined by the court, for the return of the property to the defendant, if return thereof be ordered, and for the payment to him of any sum as may from any cause be recovered against the plaintiff.