| Date Filed | Type | Description |
| 03/06/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/22/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/02/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/10/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/21/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/09/2016 |
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 |
| 03/17/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/25/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/09/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 03/30/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/28/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/29/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/30/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/26/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/31/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 08/27/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 08/26/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 08/20/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 07/18/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 04/29/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/29/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 03/15/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 05/11/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/20/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/16/2006 |
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 |