I don't know the time frame exactly, but it's clear they're all going to want to start spending money again.
The national oil companies still want to acquire some expertise so they will outsource more, but not totally.
For a long time, we've worked on detecting planets with whatever was at hand, making use of existing small telescopes or even amateur telescopes. It's time to move on to the next stage.
I think that in the near term the only threat to demand is some form of recession here in the United States.
Will the industry outsource more? I think it depends on the client base.