The Washington Post has a timeline. (click here)
Jason Rezaian's wife was taken at the same time as he, however, she is an Iranian citizen and was provided bail.
January 16, 2016
By Carol Morello and William Braigin
Vienna — Iran (click here) released Washington Post correspondent Jason Rezaian and three other detained Iranian Americans on Saturday in exchange for seven people imprisoned or charged in the United States, U.S. and Iranian officials said, a swap linked to the imminent implementation of a landmark nuclear deal between Tehran and six world powers....
...Secretary of State John F. Kerry flew from London to Vienna in the early afternoon local time. He went immediately into a meeting with Iranian Foreign Minister Mohammad Javad Zarif at the Coburg Palace Hotel, the scene of months-long final negotiations last summer that led to the deal between Iran and the world powers....