| Date Filed | Type | Description |
| 03/08/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/26/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 03/12/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 12/19/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 03/15/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/15/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/06/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/29/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/02/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/10/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/03/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/11/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/29/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/28/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/15/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 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 |
| 08/11/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 04/29/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/15/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/28/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/14/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 05/12/2004 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 05/12/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 04/07/2004 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/29/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 09/11/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/02/2001 |
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 |
| 03/31/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
|