InDesign: Why are my text frames shifting down slightly when I copy them from a master page and paste in place to other masters and pages?

I am creating a number of business card variations in InDesign CC 2014 on a Windows 7 Professional 64-bit system. I am attempting to copy text frames from one master and paste them in place on another master.

However, when I paste in place my text frames shift down slightly. It also appears that sometime different text frames shift while others stay in the proper place.

I've done my best to check all aspects of text formatting to make sure I'm not accidently adding whitespace or changing line height before a chunk of text.

Has anyone else encountered this issue, and if so, do you know a solution?