Revelation 20:5-7

5the rest of the dead did not live till the thousand years had been completed. This [is] the first resurrection.

6Blessed and holy he who has part in the first resurrection: over these the second death has no power; but they shall be priests of 1God and of the Christ, and shall reign with him a thousand years.

7And when the thousand years have been completed, Satan shall be loosed from his prison,