They were among the group of former Pheu Thai MPs and ministers held at the army camp by the National Council for Peace and Order (NCPO) aftr the coup.
The report said they played cards and drank to kill the time and the soldiers did not stop them.
Just before their release, it was reported that two former ministers quarreled loudly as they had been gambling at cards since their arrival at the camp, and the bets had grown large
One of the former ministers was the banker and the other placed bets.
The bettor finally lost over 4 million baht and was upset about it. The loser was drunk and cursed the "banker" and they started to quarrel and throw things at each other.
Their friends stopped them just as they were about to start fighting, the report said.
Among the former ministers detained at Adisorn Camp were former interior minister Chuchart Harnsawat and former science and technology minister Woravat Au-apinyakul.