Column Alignment fails on large column sets with expandable row

When a large number of columns are present in the grid utilizing the expandable row will cause the subsequent rows to become misaligned. Additionally, scrolling to the right reveals that some columns are not rendering data at all towards the end of the grid (horizontally) for the expanded row and subsequent rows.

I have created a plunker to demonstrate the issue. Any help on this would be appreciated.

http://plnkr.co/edit/Z7UsncByBMTAaF0bs12l?p=preview

The following examples show how data in the grid not displaying in the correct columns for rows following the expanded row:

The following examples show how data in the grid is pushed left as the user scrolls to the right with the row expanded and many columns in the grid.