home partition in Linux is used for personal settings, data (for wine (windows-apps), ...)
Maybe it is better to make a separate NTFS-partition for your documents (D: or /mnt/document in both OSs)
=> when you re-install a linux or another distro or OS, there is no danger for your documents, films, photos, etc. (except if you delete or format that partition...:
If you have made a partition like that, you can maybe change your default paths (documents, pictures, ...) in some control center...