Financials & Filings Proxy Statements Filing date View Dec 7, 2018 View HTML 0001171843-18-008366.pdf 0001171843-18-008366.xls Dec 4, 2017 View HTML 0001171843-17-007401.pdf 0001171843-17-007401.xls Form 10-K Filing date View Apr 2, 2018 View HTML 0001171843-18-002453.pdf 0001171843-18-002453.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 Form 10-Q Filing date View Nov 14, 2018 View HTML 0001171843-18-007952.pdf 0001171843-18-007952.xls EX-101.INS - XBRL INSTANCE FILE Aug 14, 2018 View HTML 0001171843-18-006072.pdf 0001171843-18-006072.xls EX-101.INS - XBRL INSTANCE FILE