| Date Filed | Type | Description |
| 02/28/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/26/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/28/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/28/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/30/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 03/14/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/29/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/11/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/29/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/30/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/27/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 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 |
| 05/18/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/09/2007 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 12/27/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/14/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 04/30/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 04/15/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/30/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/01/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 05/21/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 05/01/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/29/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/22/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/30/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/19/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/30/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/11/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 04/26/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 03/04/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/19/1995 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 02/28/1995 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |