| Date | Acquired | Amount |
|---|---|---|
| Aug 04, 2017 |
|
$ 58,500,000 |
| Feb 28, 2017 |
|
$ 174,200,000 |
| Jun 23, 2016 |
|
Undisclosed amount |
| Mar 08, 2016 |
|
$ 17,900,000 |
