| Date Filed | Type | Description |
| 06/08/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 06/04/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 04/14/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/07/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/27/2018 |
10-K/A
| Annual Report for the period ended December 31, 2017 [amend] |
| 02/28/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/26/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 02/22/2017 |
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 |
| 02/24/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/25/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/20/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/17/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/24/2011 |
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 |
| 02/23/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/25/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/28/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 04/24/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/31/2006 |
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 |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/28/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/27/2003 |
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 |