Thats not why Gingrich had to pay a $300,000.00 fine and was repremanded. Gingrich admitted to providing inaccurate information to the ethics committee. Like most egomaniac politicians, it's the coverup that gets them.
There was no criminal intent.
There was no coverup.
It was a classic technicality.
That's why (one day after his 11th re-election from his Georgia district) he said:
I'm willing to lead but I'm not willing to preside over people who are cannibals. My only fear would be that if I tried to stay, it would just overshadow whoever my successor is.