Annual Reports 2023 Annual Report 2022 Annual Report 2021 Annual Report 2020 Annual Report 2019 Annual Report Proxy Statements Filing date View Apr 12, 2019 View HTML 0001193125-19-105281.pdf 0001193125-19-105281.rtf 0001193125-19-105281.xls Oct 11, 2019 View HTML 0001193125-19-266263.pdf 0001193125-19-266263.rtf 0001193125-19-266263.xls Form 10-K Filing date View Mar 26, 2019 View HTML 0001564590-19-009357.pdf 0001564590-19-009357.rtf 0001564590-19-009357.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 16, 2020 View HTML 0001564590-20-011004.pdf 0001564590-20-011004.rtf 0001564590-20-011004.xls EX-101.INS - XBRL INSTANCE DOCUMENT Form 10-Q Filing date View Nov 14, 2018 View HTML 0001564590-18-029393.pdf 0001564590-18-029393.rtf 0001564590-18-029393.xls EX-101.INS - XBRL INSTANCE DOCUMENT May 09, 2019 View HTML 0001564590-19-017454.pdf 0001564590-19-017454.rtf 0001564590-19-017454.xls EX-101.INS - XBRL INSTANCE DOCUMENT