Confessional Lutheranism is a name used by Lutherans to designate those who accept the doctrines taught in the Book of Concord of 1580 (the Lutheran confessional documents) in their entirety because (quia) they are completely faithful to the teachings of the Bible. While most Lutheran denominations find the basis of their faith in the Book of Concord, Confessional Lutherans maintain that faithfulness to it requires attention to how that faith is actually being preached, taught, and put into practice. Confessional Lutherans believe that this is a vital part of their identity as Lutherans.