Genia was long adamant Queensland was his preferred destination for an Australian return, but with three halfbacks already on their books, the Reds could not accommodate the cost of their former nine.
"It was a simple decision because it didn't work out in terms of being accommodated at the Reds," he told reporters on Tuesday.
"So, I could've waited and waited until the 31st of December but I just decided to make a call and I'm pretty happy with my decision, pretty comfortable."