. based upon outstanding balances , and excluding purchased impaired loans , at december 31 , 2015 , for home equity lines of credit for which the borrower can no longer draw ( e.g. , draw period has ended or borrowing privileges have been terminated ) , approximately 3% ( 3 % ) were 30-89 days past due and approximately 5% ( 5 % ) were 90 days or more past due . generally , when a borrower becomes 60 days past due , we terminate borrowing privileges and those privileges are not subsequently reinstated