Idaho Code § 18-802
Any person who willfully and unlawfully, by fire or explosion, damages:
(4) Any real or personal property, whether the property of the actor or another, with the intent to deceive or harm any insurer or any person with a legal or financial interest in the property, or obtain any financial gain for the actor or another;
is guilty of arson in the first degree, and upon conviction thereof shall be sentenced to the custody of the department of correction for not more than twenty-five (25) years or fined not more than one hundred thousand dollars ($100,000) or both.
[18-802, added 1993, ch. 107, sec. 3, p. 274.]