| Date Filed | Type | Description |
| 04/29/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 02/24/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 02/19/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/20/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/27/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/27/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/28/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/12/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/13/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/13/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/13/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/16/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/16/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 09/29/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 02/26/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/30/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/03/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 08/11/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 04/17/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |