| Date Filed | Type | Description |
| 03/01/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/15/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/11/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/05/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/23/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/06/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/08/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/13/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/06/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/13/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 10/29/2012 |
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 |
| 03/09/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/30/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/10/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/30/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/05/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 04/03/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/13/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/13/2008 |
AR
| 2007 Annual Report |
| 04/02/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 03/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/16/2007 |
AR
| 2006 Annual Report |
| 05/03/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 05/01/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/31/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2006 |
AR
| 2005 Annual Report |
| 04/27/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/31/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/17/2005 |
AR
| 2004 Annual Report |
| 03/16/2005 |
10-K
| Annual Report for the period ended November 30, 2004 |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/15/2004 |
AR
| 2003 Annual Report |
|