From Wikipedia
Somerset Collection is a superregional, luxury shopping mall, located in Metro Detroit, in Troy, Michigan with more than 180 specialty stores. Somerset Collection, developed, managed, and co-owned by The Forbes Company, is among the most profitable malls in the United States not owned by a real estate investment trust. Mall developers consider Somerset Collection to be among the top privately held mall properties in the United States. Out of the 100 most profitable malls, 76 are owned by real estate investment trusts.