Rather than just moving the cursor to the jump target, AceJump do a block selection from the initial position up to the jump target.

Referring to the image above:

• Cursor at grey
• Trigger AceJump search (blue)
• Pick selection from target (yellow)
• Block selection was made from the previous position up to yellow

IntelliJ IDEA 2017.1.3
Build #IU-171.4424.56, built on May 12, 2017
JRE: 1.8.0_112-release-736-b21 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Mac OS X 10.12.5
ideaVim 0.48