| Date Filed | Type | Description |
| 03/27/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/29/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/30/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/31/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/05/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/30/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/31/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 12/12/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/31/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/15/2013 |
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 |
| 03/31/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/09/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 04/01/2010 |
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 |
| 12/23/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/31/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 07/11/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 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 |
| 03/17/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 04/21/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/30/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/31/2003 |
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 |
| 12/18/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/27/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 03/29/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 05/26/2000 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 05/16/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/23/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 04/01/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 09/11/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
|