| Date Filed | Type | Description |
| 02/21/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 02/23/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 02/25/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 04/24/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 02/26/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/20/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/21/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/28/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/24/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/18/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/03/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/07/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/08/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/11/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 02/09/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/10/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/06/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 02/11/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/13/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/21/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/22/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/02/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 02/26/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 02/25/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 02/21/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 02/22/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/28/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 02/24/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/04/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/05/1998 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/31/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |