The Dallas Stars on Monday unveiled an extension of their working agreement with Idaho of the ECHL.Idaho will remain a Stars affiliate through the 2019-20 season. The relationship began in the 2003-04 season and after a one-year lapse has continued uninterrupted since the 2005-06 season."We are thrilled to renew our affiliation with the Steelheads," Stars assistant general manager Scott White said in a statement.