| Date Filed | Type | Description |
| 07/26/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 10/11/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 09/08/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 07/27/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 04/15/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 05/13/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 05/08/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 06/03/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/16/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/15/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 11/12/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 11/09/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 07/07/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 04/30/2009 |
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 |
| 03/19/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/07/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/08/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/09/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/10/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/16/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/20/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/14/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/21/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |