In my experience thus far on CC-SoE (now CC/SoE/BwR/SC), you’ll find a small, but close-knit RP community. Full disclosure - I am new to WoW RP, (but not new to WoW or RP in general) having started on this server back in April of this year.
You won’t find much for walk-up, but that doesn’t seem like it would be an issue for you. There is a regular rotation of weekly events for both factions, which I find provide plenty of opportunities for RP. There is usually something happening in the RP community most days of the week. I haven’t had any issues finding RP partners, either! Most folks are happy to RP if you just ask.
I think you’ll find there are folks here that RP in all sort of different styles. At least that’s what I’ve encountered in my experience. (Server veterans feel free to correct me if I’m wrong!) I tend toward paragraphs myself, so you’ll get no hate from me.
Additionally, be sure to check out the event and guild directories pinned to the top of the forum main page, and join the Discord server! I would say that’s where the bulk of our discussion happens.
So for now, welcome, and hope to see you around!