The Steelheads have served as Dallas' ECHL affiliate since the 2005-06 season, and prior to that, during the 2003-04 campaign. Idaho has reached the Kelly Cup Finals four times as an affiliate of the Dallas Stars and has won the Kelly Cup twice (2004 and 2007). In the 2022-23 season, the Steelheads set new ECHL records with 58 wins and 119 points, winning the Brabham Cup for the second time in team history as the club with the most points in the regular season. Following their historic regular season, the Steelheads advanced to the Kelly Cup Finals where they fell to the Florida Everblades in a best-of-seven series.