| Date Filed | Type | Description |
| 04/04/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 03/07/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/16/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/16/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/14/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/13/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/15/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/11/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/06/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/12/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/13/2013 |
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 |
| 03/08/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/09/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/12/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/19/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/17/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 06/28/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/01/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/25/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/21/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 05/24/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/15/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 10/29/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 03/30/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/29/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/30/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/23/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/24/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 03/26/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |