| Date Filed | Type | Description |
| 03/04/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/23/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/28/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/10/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 10/25/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/16/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 05/27/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 04/30/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 03/02/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/28/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/15/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/22/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/31/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 05/29/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 05/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 04/01/2008 |
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 |
| 03/15/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/05/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 05/07/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/17/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 02/27/2003 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/15/2002 |
10-K/A
| Annual Report for the period ended December 12, 2001 [amend] |
| 03/08/2002 |
10-K
| Annual Report for the period ended December 12, 2001 |
| 03/21/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/20/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/01/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/12/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/12/1999 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 02/12/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/25/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |