| Date Filed | Type | Description |
| 02/15/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 02/19/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/21/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/07/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/07/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/17/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/18/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 07/10/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 04/30/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/13/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/12/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/30/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 03/08/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/11/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/26/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/31/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/31/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/31/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 07/25/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 03/02/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/14/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |