| Date | Acquired | Amount |
|---|---|---|
| Mar 01, 2017 |
|
Undisclosed amount |
| Jun 14, 2016 |
|
Undisclosed amount |
| Mar 14, 2016 |
|
Undisclosed amount |
| Apr 08, 2015 |
|
Undisclosed amount |
| Mar 11, 2015 |
|
Undisclosed amount |
| Aug 04, 2014 |
|
$ 90,000,000 |
| Feb 26, 2014 |
|
Undisclosed amount |
| Dec 11, 2013 |
|
Undisclosed amount |
| Dec 03, 2013 |
|
Undisclosed amount |
| Oct 01, 2012 |
|
Undisclosed amount |
| Sep 06, 2011 |
|
Undisclosed amount |
