| Date Filed | Type | Description |
| 03/30/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/19/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/26/2018 |
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 |
| 03/10/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/20/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/21/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 05/30/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/25/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/23/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/10/2010 |
10-K
| Annual Report for the period ended March 10, 2010 |
| 03/25/2009 |
10-K
| Annual Report for the period ended March 25, 2009 |
| 03/31/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/19/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/29/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/12/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/30/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/31/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/01/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |