| Date Filed | Type | Description |
| 03/17/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/10/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 02/11/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 06/22/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 05/12/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/15/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/08/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/16/2017 |
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 |
| 02/09/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/03/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/10/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/25/2014 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 05/21/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/13/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/29/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/01/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/30/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/31/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 12/04/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 12/02/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 09/25/2009 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/31/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 09/16/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 08/11/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 04/30/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/31/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/29/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |