How old do you have to be to book a hotel in Idaho?|160579

Me and a friend are going to CA this summer coming from ND and we need to get a hotel in Idaho. But I cant find for the life of me what is the age of booking a room in this state or does it have to do with hotels have the age limits not the states. Can someone please help me.

If you have a credit card you should be OK if not have an adult book it for you.