| Date Filed | Type | Description |
| 02/22/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 08/20/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 02/24/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/19/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/20/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/17/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/23/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/23/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/25/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/27/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/25/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 08/05/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/02/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/26/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/28/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/01/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/02/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/01/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/01/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/11/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/08/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/14/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/18/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/22/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/17/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 06/28/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/19/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 06/19/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/20/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 06/16/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/17/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 06/21/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 03/26/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
|