Airport hotels are often in the middle of nowhere and lack character. The Courtyard is 10 minutes by the excellent shuttle to JFK, but best entered late at night as there is nothing to see or do in the near area unless you have transport.
The hotel rooms are dated but reasonably sized. There is a bar / restaurant which has a limited menu. My wife's salmon had to be sent back as it was still cold in the middle, so I suspect that the microwave is the order of the day.
Staff are very good and friendly, and as the rest of the JFK hotels seem to be of similar quality, it is as good a place to rest as any.