| Date Filed | Type | Description |
| 07/09/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 04/06/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 04/20/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 05/08/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/20/2018 |
10-K/A
| Annual Report for the period ended December 31, 2017 [amend] |
| 04/17/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/22/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/15/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/25/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/26/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/27/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/28/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/30/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/23/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 07/28/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 07/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 09/23/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 07/15/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 09/01/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 07/08/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/30/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/01/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 04/05/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/30/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/09/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/31/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/27/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |