| Date Filed | Type | Description |
| 04/29/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 02/25/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/26/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 02/21/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/07/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/14/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/26/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/16/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/17/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/15/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/15/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/14/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/17/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/04/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/09/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/16/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/29/2008 |
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 |
| 08/08/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/13/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/01/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/04/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/07/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/26/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/08/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/12/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/28/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/13/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/19/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/10/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/11/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/01/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 03/06/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |
| 04/21/1995 |
10-K/A
| Annual Report for the period ended December 31, 1994 [amend] |
|