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, 2019 View HTML 0001171843-19-002168.pdf 0001171843-19-002168.xls Apr 2, 2019 View HTML 0001171843-19-002172.pdf 0001171843-19-002172.xls EX-101.INS - XBRL INSTANCE FILE Form 10-Q Filing date View May 15, 2019 View HTML 0001171843-19-003379.pdf 0001171843-19-003379.xls EX-101.INS - XBRL INSTANCE FILE Nov 14, 2018 View HTML 0001171843-18-007952.pdf 0001171843-18-007952.xls EX-101.INS - XBRL INSTANCE FILE