This usually means you have a conflict with some other software you run, and it's commonly a browser plugin for Chrome.
Well I thank you BUT I don't have Chrome.
I create file in Indesign all day long and on and average day three to four file crash and I have to rebuild. I thought it was just large files but it doesn't matter what size.
Most of the files have images, photos, logos and fonts. The Apple tech guy thinks its a font issue BUT I created the files last yr. and on some I'm only removing a line or two.
A bad font is another very good possibility. Have you run a font utility to check?
Since you've told us you have a Mac, please put your crash report on pastebin.com and give us a link to it here.