| Date Filed | Type | Description |
| 04/15/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 04/14/2021 |
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] |
| 05/27/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 12/03/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 08/14/2019 |
10-K/A
| Annual Report for the period ended December 31, 2018 [amend] |
| 04/03/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 09/14/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 09/14/2018 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 09/10/2018 |
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 |
| 02/06/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/28/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/14/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 06/30/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 06/27/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 04/15/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/08/2010 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 01/19/2010 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/30/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |