| Date Filed | Type | Description |
| 03/21/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/22/2022 |
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 |
| 03/27/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/23/2019 |
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 |
| 04/19/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/05/2017 |
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 |
| 04/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/21/2013 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 03/13/2013 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 03/30/2012 |
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 |
| 11/17/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 03/31/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/15/2009 |
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 |
| 04/02/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 04/13/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 01/17/2006 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 11/23/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 05/06/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/21/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/18/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/15/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 04/14/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 04/15/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/03/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 04/15/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 04/12/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |