| Date | Acquired | Amount |
|---|---|---|
| Feb 15, 2017 |
|
$ 102,000,000 |
| Jun 07, 2016 |
|
Undisclosed amount |
| Jul 28, 2015 |
|
$ 9,100,000 |
| Apr 02, 2015 |
|
$ 6,000,000 |
| Apr 28, 2010 |
|
Undisclosed amount |
