I personally find "the idea of" superfluous.
The sentence "It might be a good idea to..." is an indicative sentence expressing a suggestion or possibility. Specifically, it falls under the category of a declarative sentence.
They had a good idea for the project.
you will get a good idea
When you are in prison serving a sentence, tunnelling your way out is a good idea.
It is a good idea to rely on answers.com for such routine questions
what is the gerund phrase in this sentence, Floating down the river on a raft was not Joel's idea of fun.
During a job interview, it's a good idea to highlight your accomplishments and downplay your weaknesses.
I have a good derivative.
A noun functions as the subject of a sentence or a clause, as the object of a verb or a preposition, and as a subject complement or an object complement.Examples:Her idea was really helpful. (subject of the sentence)We made good use of the time that the idea has saved. (subject of the relative clause)I have an idea. (direct object of the verb 'have')I'm looking for a good idea. (object of the preposition 'for')Your plan is a good idea. (subject complement, plan = idea)That is a plan, a good idea. (object complement, plan = idea)
In the sentence Jumping up and down is a bad idea if you have just eaten chili dogs., the phrase jumping up and downis the subject.
is a good idea
Drafting soldiers for a war is not a good idea.