Form 10-Ks Filing date View Mar 31, 2010 View HTML 0001144204-10-017078.pdf 0001144204-10-017078.xls Mar 31, 2011 View HTML 0001144204-11-018918.pdf 0001144204-11-018918.xls Apr 16, 2012 View HTML 0001144204-12-021628.pdf 0001144204-12-021628.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 22, 2013 View HTML 0001144204-13-016910.pdf 0001144204-13-016910.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 27, 2014 View HTML 0001144204-14-018035.pdf 0001144204-14-018035.xls EX-101.INS - XBRL INSTANCE DOCUMENT Apr 30, 2015 View HTML 0001144204-15-026613.pdf 0001144204-15-026613.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 16, 2016 View HTML 0001171843-16-008621.pdf 0001171843-16-008621.xls EX-101.INS - XBRL INSTANCE FILE Mar 15, 2017 View HTML 0001171843-17-001534.pdf 0001171843-17-001534.xls EX-101.INS - XBRL INSTANCE FILE Proxy Statements Filing date View Jun 10, 2010 View HTML 0001144204-10-032849.pdf 0001144204-10-032849.xls Apr 28, 2011 View HTML 0001144204-11-024447.pdf 0001144204-11-024447.xls Aug 8, 2011 View HTML 0001144204-11-044621.pdf 0001144204-11-044621.xls Sep 4, 2012 View HTML 0001144204-12-049403.pdf 0001144204-12-049403.xls Dec 31, 2012 View HTML 0001144204-12-070300.pdf 0001144204-12-070300.xls Apr 2, 2013 View HTML 0001144204-13-019652.pdf 0001144204-13-019652.xls Aug 27, 2013 View HTML 0001144204-13-047894.pdf 0001144204-13-047894.xls Jun 24, 2016 View HTML 0001171843-16-010836.pdf 0001171843-16-010836.xls Aug 9, 2016 View HTML 0001171843-16-011630.pdf 0001171843-16-011630.xls Jan 3, 2017 View HTML 0001171843-17-000008.pdf 0001171843-17-000008.xls