I also wish it was more glass, but it is a precast build. Looking at the web site for Adamson & Associates, their buildings are very modern using glass. Maybe the client (Simplot Company) wanted a more 50's corporate look showing a strong company with this precast concrete heavy look.
I hope it turns out looking great as this is a major building for downtown.
Here are some photos showing the foot print of the building beginning to take shape: