Thank you very much Cansha.
I started guessing that they are trying to find at least smth to refuse my PR application.
ADR was for devorce certificate. I sent it the same day (I just forgot to attach it when submitting application)
Now I regret that I mentioned my detaintion. PR application was the only one that contained that word "detaintion". All others had "arrest" or "criminal charges". There is no way they could find out about "detaintion", but I still indicated it on the form (idiot