| Date Filed | Type | Description |
| 04/17/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 04/15/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 04/15/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 04/02/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/01/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/17/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/14/2017 |
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 |
| 04/15/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 05/01/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 04/15/2014 |
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 |
| 04/05/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/15/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/15/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 04/15/2010 |
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 |
| 01/16/2009 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 11/20/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 04/14/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 04/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 04/14/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/15/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 04/08/2004 |
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 |
| 04/01/2002 |
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 |
| 04/14/2000 |
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 |
| 03/30/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/28/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |