Impac Mortgage Holdings is putting more emphasis on originating non-qualified mortgages, with officials noting that the loans offer much better margins than conventional mortgages. Impac originated $248.2 million of non-QMs in the first quarter of 2018, up 5.6 percent from the previous cycle and a 34.7 percent increase from a year ago. Non-QMs accounted for 18.8 percent of Impac’s production in early 2018 compared with a 14.2 percent share in the previous quarter and an ...