| Date Filed | Type | Description |
| 03/11/2022 |
10-K/A
| Annual Report for the period ended December 31, 2021 [amend] |
| 02/17/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 04/16/2021 |
10-K/A
| Annual Report for the period ended December 31, 2020 [amend] |
| 03/12/2021 |
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 |
| 02/21/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 02/23/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/13/2017 |
10-K/A
| Annual Report for the period ended March 13, 2017 [amend] |
| 02/24/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/25/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/30/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 02/28/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/25/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/27/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/25/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/26/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |