at leisure
at leisure {adj.} or {adv. phr.}
1. Not at work; not busy; with free time; at rest.
Come and visit us some evening when you're at leisure.
2. or at one's leisure
When and how you wish at your convenience; without hurry.
John made the model plane at his leisure.
You may read the book at your leisure.
Categories:
Source: A Dictionary of American Idioms
