| Date | Acquired | Amount |
|---|---|---|
| May 05, 2016 |
|
Undisclosed amount |
| Apr 01, 2015 |
|
Undisclosed amount |
| Dec 01, 2014 |
|
Undisclosed amount |
| May 08, 2014 |
|
$ 54,000,000 |
| Jul 05, 2010 |
|
Undisclosed amount |
| Jul 05, 2010 |
|
$ 145,000,000 |
| Sep 23, 2008 |
|
Undisclosed amount |
| Sep 05, 2008 |
|
Undisclosed amount |
| Feb 07, 2007 |
|
Undisclosed amount |
