AmeriHome Mortgage plans to offer non-agency correspondent mortgages with debt-to-income ratios as high as 55 percent beginning in the fourth quarter of 2014, according to officials at the nonbank. The lender was sold by Impac Mortgage Holdings earlier this year and is now headed by James Furash, the former head of the banking unit at Countrywide Financial. In July, AmeriHome plans to start offering a 5/1 adjustable-rate mortgage with ... [Includes five briefs]