Translation of "Hammering out" in German

The past few months, we were hammering out the details.
In den letzten paar Monaten haben wir die Details ausgearbeitet.
OpenSubtitles v2018

Ethan was part of the team that was hammering out the contract with their government.
Ethan gehörte zu dem Team, das mit der dortigen Regierung den Vertrag ausarbeitete.
OpenSubtitles v2018