What is the origin of the idiom "let something ride" and when to use it?

The idiom "let something ride" has been in use for several decades, but its precise historical origin is not well-documented. It likely emerged naturally as an English idiomatic expression in English language .This phrase has been in use for several decades and is now used in a variety of contexts to imply postponing a decision, ignoring a minor problem, or accepting a situation as it is.