I'm assuming that either you or someone you know or close to you is experiencing something like this which results in you posing this question. However, I would feel that it is not the benefits or detriments that intercultural marriages brings that should direct you to the right decision but rather whether the both parties of different cultures are fine with such an arrangement. By this, I mean that they would have to seek the concenses of both parties families and relatives. Also, they should be greatly in love with one another to even consider doing this therefore I see no reason, even if there might be any detriments, to not go ahead with the marriage. On a side note, such questions might also result in a lot of racist remarks so it might not be such a good idea posting it here.