| Date | Acquired | Amount |
|---|---|---|
| Jan 09, 2017 |
|
$ 425,000,000 |
| Jul 14, 2016 |
|
Undisclosed amount |
| May 06, 2015 |
|
$ 20,000,000 |
| Apr 21, 2015 |
|
Undisclosed amount |
| Sep 12, 2014 |
|
$ 7,500,000 |
| Sep 11, 2014 |
|
Undisclosed amount |
| Mar 07, 2012 |
|
Undisclosed amount |
| Oct 06, 2011 |
|
Undisclosed amount |
| Sep 29, 2010 |
|
Undisclosed amount |
