Teller machines doing double duty Julie with one of Decorah Bank’s ITMs which also functions as an ATM Decorah – December 20, 2016 – Now you can have the best of both worlds when it comes to doing banking transactions with your money. You may be familiar with the two Interactive Teller Machines (ITMs) at Decorah’s main location drive-thru on Water Street. These ITMs offer a live teller on the screen to help with your transaction. Now you get to choose if you want ITM or ATM functionality during business hours. After business hours these two machines will work as the ATMs most people are accustomed. Stop by and give our ITM/ATMs a try.