| Date Filed | Type | Description |
| 04/29/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 03/10/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/09/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/13/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/15/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/12/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/16/2017 |
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 |
| 03/13/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 08/30/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 06/26/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/18/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/09/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/06/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/18/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/22/2011 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/15/2010 |
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 |
| 04/15/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/14/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 04/06/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 04/11/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 06/13/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/11/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 07/06/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 12/29/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 07/10/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/16/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 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 |
| 04/14/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/31/1997 |
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 |