Idaho Code § 41-2825

A domestic mutual insurer, after being authorized to transact one (1) kind of insurance, may be authorized to transact such additional kinds of insurance as are permitted under section 41-312, Idaho Code, while otherwise in compliance with this code and while maintaining unimpaired surplus funds in an amount not less than the amount of paid-in capital stock required of a domestic stock insurer transacting like kinds of insurance, subject further to the additional surplus requirements of section 41-313, Idaho Code, applicable to such a stock insurer.