| Date Filed | Type | Description |
| 04/16/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 02/11/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/12/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/13/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/16/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/11/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/07/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/07/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/09/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/08/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/17/2010 |
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 |
| 03/31/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/30/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/31/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/31/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/30/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |