| Date Filed | Type | Description |
| 03/12/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/05/2020 |
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] |
| 03/05/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/02/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/03/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/29/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/30/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 04/30/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 02/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/21/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/08/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/22/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/24/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/22/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/26/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/13/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/14/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 04/10/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/14/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/25/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/23/2005 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 04/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/27/2003 |
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 |
| 03/28/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 01/22/2001 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 12/22/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/20/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/28/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 04/01/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |