0000906107 vmrk:ErpOperatingLimitedPartnershipMember 2026-11-13 2026-11-13 0000906107 vmrk:SevenPointFiveSevenPercentNotesDueAugustFifteenTwoThousandTwentySixMember vmrk:ErpOperatingLimitedPartnershipMember 2026-11-13 2026-11-13 0000906107 2026-11-13 2026-11-13 0000906107 dei:OtherAddressMember 2026-11-13 2026-11-13 0000906107 0000931182 true 8-K false false 2026-11-13 VIVMARK RESIDENTIAL MD 1-12252 13-3675988 ERP OPERATING LIMITED PARTNERSHIP IL 0-24920 36-3894853 Two North Riverside Plaza Chicago IL 60606 4040 Wilson Blvd Suite 1000 Arlington VA 22203 312 474-1300 703 329-6300 false false false false Common Shares of Beneficial Interest,$0.01 Par Value VMRK NYSE 7.57% Notes due August 15, 2026 false false