There’s communities still out there that don’t require renters insurance?? Suggest you change that policy ASAP. I’m sure there’s an insurance agent nearby who would love to help out your residents, and provide them information.
As for the party you are asking about, 12 hours is a quick resolution. As a customer service gesture, you could give a small gift card & say dinner’s on us, but other than that, give your team kudos for resolving the issue so quickly.