I prefer...both? I like having regular interactions with colleagues, I also like being able to have the time to be by myself at home and think. Perhaps there might be a 9 months on, 3 months off rotation, similarly to when you're in school. Spend the summer at home, working, thinking, reporting, maybe not as intensely as during the rest of the year, and then the colder months at the office collaborating, socializing. It would offer a nice break and a different kind of rhythm to life. Just a thought.