I've said this before (both on this board and in real life to other people), but there comes a point when "family" just don't mean anything anymore.
Now, I don't know you or your situation, Lyrai (beyond what little you've chosen to reveal here) so I can't make a completely informed judgement. But...
Well. There comes a point when I think it's healthy, for YOU, to stop thinking of Family as... well... "Family", and start treating them as you would a person who is a detrimental to self but are unable to get away from.
My point is, I think it would be healthy for you to detach emotionally from the relationship with your father, if he isn't at all interested in having a healthy emotional relationship with you.
This doesn't mean you need to be rude or mean to him. I don't get into emotional relationships with Bank tellers, but I treat them politely. I just don't, you know, care about them.
Anyway. Take this as you will.