Asklemmy

Theistic Satanism, otherwise referred to as religious Satanism, spiritual Satanism, or traditional Satanism,[2] is an umbrella term for religious groups that consider Satan, the Devil, to objectively exist as a deity, supernatural entity, or spiritual being worthy of worship or reverence, whom individuals may contact and convene with, in contrast to the atheistic archetype, metaphor, or symbol found in LaVeyan Satanism.

The Satanic Bible is LaVeyan Satanism and as a product of the 20th century very much more modern than the "traditional Satanism" of de Sade and Huysman in the 19th century.

LaVeyan Satanism is still much more on the "spiritual" side of things than, for example the explicitly atheistic, sceptic and rational Satanic Temple, but both fall under the umbrella of the more modern, non-theistic understanding of Satanism. While a more historical form definetly existed, even if it wasn't widely practiced.