"elaborated ideas" is correct and usable in written English.
You can use it when you want to refer to ideas that have been thoroughly explained or developed in detail. For example, "The professor's lecture outlined several elaborated ideas about the future of artificial intelligence."
I heard him talk healthcare to death but while he was elaborating ideas his opponents were telling stories.
Elaborating ideas initially proposed by Fitts (Fitts & Deininger, 1954; Fitts & Seeger, 1953), Kornblum, Hasbroucq, and Osman (1990) suggested that S R compatibility should be understood in terms of two factors: (1) the dimensional overlap of the stimulus set and the response set, and (2) the specific mapping of the elements in the stimulus set onto the response set.
In 2011, Jarvis elaborated his ideas in a book entitled "Written by Mrs Bach"; he is now presenting them in the form of a documentary film, also titled "Written by Mrs Bach".
Although the basic tenets of the synthesis have remained relatively unchanged in the ensuing decades, many fundamental theoretical and experimental studies have confirmed as well as elaborated the ideas expounded in the modern synthesis.
Children with parents or caregivers in the dialogic reading group posed and solicited questions, identified visual clues, and elaborated on ideas significantly more often than children in the traditional family time group.
The participants in all FGDs elaborated their ideas of the cause of malaria and most of them associated the disease with mosquito bites.
Elaborate ideas have been proposed for formal memorials.
Then come some more elaborate ideas, from a collection called "Slowly, Slowly in the Wind".
"The other kids were people you could discuss your most elaborate ideas with and nobody would be condescending," Minsky said in recalling his experience there.
The technological history of hockey is littered with elaborate ideas that did not pan out, like the Fox network's glowing puck, the heated skate blade and Cooperalls.
