| Date Filed | Type | Description |
| 03/20/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 03/30/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/26/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 04/01/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/29/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 04/04/2017 |
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 |
| 05/01/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 04/09/2015 |
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] |
| 04/14/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 04/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/12/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 05/01/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 04/26/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 04/14/2011 |
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 |
| 03/31/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 04/04/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 04/04/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 04/02/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |