| Date Filed | Type | Description |
| 04/28/2020 |
10-K/A
| Annual Report for the period ended December 31, 2019 [amend] |
| 03/11/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/08/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/16/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/09/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 04/29/2016 |
10-K/A
| Annual Report for the period ended December 31, 2015 [amend] |
| 03/08/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 04/30/2015 |
10-K/A
| Annual Report for the period ended December 31, 2014 [amend] |
| 03/13/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 04/04/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/25/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 04/30/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/14/2013 |
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 |
| 02/07/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/05/2010 |
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 |
| 06/04/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/12/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 09/20/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/18/2001 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |