| Date Filed | Type | Description |
| 03/31/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/25/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/31/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/30/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/02/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 04/01/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/02/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/16/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/15/2016 |
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 |
| 03/31/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 07/23/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/18/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/22/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 03/15/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/25/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/31/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/12/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/05/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/14/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/15/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/15/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/12/2004 |
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 |
| 03/29/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/30/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 05/01/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/31/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |