| Date Filed | Type | Description |
| 03/10/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/09/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/09/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/08/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/07/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/13/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/16/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/16/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/13/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/14/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/12/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/14/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/16/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/13/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/06/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 05/04/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/08/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/31/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/15/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 05/15/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |