| Date Filed | Type | Description |
| 03/22/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/17/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/26/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/28/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/27/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 05/20/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 04/30/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/27/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/30/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/08/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/31/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/29/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 11/13/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 05/11/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 01/26/2007 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 06/09/2006 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 06/09/2006 |
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 5, 2005 |
| 11/22/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 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 |
| 03/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/01/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/02/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/27/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/30/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/30/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 11/24/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/26/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |