| 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 |
| 06/04/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 04/15/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/16/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/27/2017 |
10-K/A
| Annual Report for the period ended December 31, 2016 [amend] |
| 04/17/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/14/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 04/28/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 05/13/2014 |
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 |
| 04/09/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 04/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 04/06/2012 |
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 |
| 11/19/2010 |
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 |
| 04/14/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 09/02/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 08/21/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 08/01/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/27/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 04/05/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |