(Idanha, OR)  --  A fast moving grass fire had residents near Detroit Lake preparing to evacuate Tuesday afternoon.  The fire was near Idanha and Level 2 evacuation warnings were issued.  The Marion County Sheriff's Office says the fire burned three acres and is under control.  The Level 2 evacuation warning will remain in place until the fire is completely put out.   It was nearly a year ago that the Lionshead and Beachie Creek fires destroyed much of Detroit and Idanha.