| Date Filed | Type | Description |
| 04/15/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 04/09/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 05/12/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 04/24/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/15/2019 |
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 |
| 04/11/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 04/10/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 07/22/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 04/19/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 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 |
| 04/15/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 05/13/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/16/2012 |
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 |
| 12/10/2010 |
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 |
| 10/05/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 09/20/2004 |
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 |
| 02/28/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 06/07/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/27/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 01/04/1999 |
10-K/A
| Annual Report for the period ended January 4, 1999 [amend] |
| 12/14/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 12/03/1998 |
10-K/A
| Annual Report for the period ended December 3, 1998 [amend] |
| 03/30/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 02/05/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |