| Date Filed | Type | Description |
| 04/29/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 02/26/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/27/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/27/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/27/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/24/2017 |
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 |
| 02/26/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/30/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/19/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 02/27/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/23/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/29/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/25/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/30/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/29/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/31/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/14/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/01/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 10/08/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 04/24/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/02/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 04/23/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 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 |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 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 |
| 03/30/2001 |
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 |
| 03/22/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 02/12/1999 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
|