The defendant cannot be convicted on an impeachment without the concurrence of two-thirds (2/3) of the members elected, voting by ayes and noes, and if two-thirds (2/3) of the members elected do not concur in a conviction, he must be acquitted.
Idaho Code § 19-4010
Vote necessary for conviction
Current official text: Idaho Statutes (Idaho Legislature). Digitized from the UniCourt Code Improvement Commission public-domain capture. Reproduced from public-domain Idaho statutes; confirm against the official source for the current text. Not legal advice.