| Date | Acquired | Amount |
|---|---|---|
| Jul 14, 2016 |
|
Undisclosed amount |
| Jan 11, 2016 |
|
$ 125,000,000 |
| Jun 02, 2015 |
|
$ 44,000,000 |
| May 12, 2015 |
|
$ 22,000,000 |
