| Date Filed | Type | Description |
| 03/30/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/31/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 04/30/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 03/31/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 04/07/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/29/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 03/28/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/30/2018 |
10-K/A
| Annual Report for the period ended December 31, 2017 [amend] |
| 03/13/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/30/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 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 |
| 03/28/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 05/30/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 04/27/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 03/26/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/25/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 05/20/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 05/20/2010 |
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 |
| 05/04/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 04/30/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 04/02/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/17/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/22/2005 |
AR
| 2004 Annual Report |
| 03/21/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/15/2004 |
AR
| 2003 Annual Report |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/31/2003 |
AR
| 2002 Annual Report |
| 04/01/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/02/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |