| Date Filed | Type | Description |
| 04/30/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 02/11/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/06/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/07/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/09/2018 |
10-K/A
| Annual Report for the period ended December 31, 2017 [amend] |
| 02/08/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/09/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 06/27/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 02/12/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 02/11/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 04/24/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 02/17/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/28/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 02/24/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/17/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/19/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/26/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/24/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 06/17/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 02/24/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 07/09/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/01/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/02/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/04/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 02/27/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/27/2008 |
AR
| 2007 Annual Report |
| 03/15/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/15/2007 |
AR
| 2006 Annual Report |
| 03/31/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/31/2006 |
AR
| 2005 Annual Report |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/16/2005 |
AR
| 2004 Annual Report |
| 05/10/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 04/23/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
|