{
 "instance": {
  "sqft-20191231.htm": {
   "axisCustom": 0,
   "axisStandard": 23,
   "contextCount": 241,
   "dts": {
    "calculationLink": {
     "local": [
      "sqft-20191231_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "sqft-20191231_def.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml"
     ]
    },
    "inline": {
     "local": [
      "sqft-20191231.htm"
     ]
    },
    "labelLink": {
     "local": [
      "sqft-20191231_lab.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-doc-2019-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "sqft-20191231_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-ref-2019-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "sqft-20191231.xsd"
     ],
     "remote": [
      "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd",
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd",
      "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd",
      "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd",
      "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd"
     ]
    }
   },
   "elementCount": 555,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2019-01-31": 5,
    "http://www.presidiopt.com/20191231": 2,
    "http://xbrl.sec.gov/dei/2019-01-31": 7,
    "total": 14
   },
   "keyCustom": 63,
   "keyStandard": 329,
   "memberCustom": 51,
   "memberStandard": 34,
   "nsprefix": "sqft",
   "nsuri": "http://www.presidiopt.com/20191231",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001001 - Document - Cover Page",
     "role": "http://www.presidiopt.com/role/CoverPage",
     "shortName": "Cover Page",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R10": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sqft:RealEstateAssetsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2110104 - Disclosure - REAL ESTATE ASSETS",
     "role": "http://www.presidiopt.com/role/REALESTATEASSETS",
     "shortName": "REAL ESTATE ASSETS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sqft:RealEstateAssetsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2116105 - Disclosure - LEASE INTANGIBLES",
     "role": "http://www.presidiopt.com/role/LEASEINTANGIBLES",
     "shortName": "LEASE INTANGIBLES",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IntangibleAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OtherAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2121106 - Disclosure - OTHER ASSETS",
     "role": "http://www.presidiopt.com/role/OTHERASSETS",
     "shortName": "OTHER ASSETS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OtherAssetsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:MortgageNotesPayableDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2124107 - Disclosure - MORTGAGE NOTES PAYABLE",
     "role": "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLE",
     "shortName": "MORTGAGE NOTES PAYABLE",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:MortgageNotesPayableDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2128108 - Disclosure - NOTE PAYABLE",
     "role": "http://www.presidiopt.com/role/NOTEPAYABLE",
     "shortName": "NOTE PAYABLE",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sqft:FinancialInstrumentsSubjectToMandatoryRedemptionDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2130109 - Disclosure - SERIES B MANDATORILY REDEEMABLE PREFERRED STOCK",
     "role": "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCK",
     "shortName": "SERIES B MANDATORILY REDEEMABLE PREFERRED STOCK",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sqft:FinancialInstrumentsSubjectToMandatoryRedemptionDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2132110 - Disclosure - COMMITMENTS AND CONTINGENCIES",
     "role": "http://www.presidiopt.com/role/COMMITMENTSANDCONTINGENCIES",
     "shortName": "COMMITMENTS AND CONTINGENCIES",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2133111 - Disclosure - STOCKHOLDERS' EQUITY",
     "role": "http://www.presidiopt.com/role/STOCKHOLDERSEQUITY",
     "shortName": "STOCKHOLDERS' EQUITY",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2136112 - Disclosure - SHARE-BASED INCENTIVE PLAN",
     "role": "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLAN",
     "shortName": "SHARE-BASED INCENTIVE PLAN",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2140113 - Disclosure - RELATED PARTY TRANSACTIONS",
     "role": "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONS",
     "shortName": "RELATED PARTY TRANSACTIONS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:Land",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001002 - Statement - Consolidated Balance Sheets",
     "role": "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
     "shortName": "Consolidated Balance Sheets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "lang": null,
      "name": "us-gaap:InvestmentBuildingAndBuildingImprovements",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2142114 - Disclosure - SEGMENTS",
     "role": "http://www.presidiopt.com/role/SEGMENTS",
     "shortName": "SEGMENTS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SegmentReportingDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2147115 - Disclosure - SCHEDULE III - Real Estate and Accumulated Depreciation and Amortization",
     "role": "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortization",
     "shortName": "SCHEDULE III - Real Estate and Accumulated Depreciation and Amortization",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2204201 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)",
     "role": "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies",
     "shortName": "SIGNIFICANT ACCOUNTING POLICIES (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sqft:PropertiesAcquiredAndSoldTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2307301 - Disclosure - RECENT REAL ESTATE TRANSACTIONS (Tables)",
     "role": "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSTables",
     "shortName": "RECENT REAL ESTATE TRANSACTIONS (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sqft:PropertiesAcquiredAndSoldTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRealEstatePropertiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2311302 - Disclosure - REAL ESTATE ASSETS (Tables)",
     "role": "http://www.presidiopt.com/role/REALESTATEASSETSTables",
     "shortName": "REAL ESTATE ASSETS (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRealEstatePropertiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2317303 - Disclosure - LEASE INTANGIBLES (Tables)",
     "role": "http://www.presidiopt.com/role/LEASEINTANGIBLESTables",
     "shortName": "LEASE INTANGIBLES (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfOtherAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2322304 - Disclosure - OTHER ASSETS (Tables)",
     "role": "http://www.presidiopt.com/role/OTHERASSETSTables",
     "shortName": "OTHER ASSETS (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfOtherAssetsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2325305 - Disclosure - MORTGAGE NOTES PAYABLE (Tables)",
     "role": "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLETables",
     "shortName": "MORTGAGE NOTES PAYABLE (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2337306 - Disclosure - Share Based Incentive Plan (Tables)",
     "role": "http://www.presidiopt.com/role/ShareBasedIncentivePlanTables",
     "shortName": "Share Based Incentive Plan (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2343307 - Disclosure - SEGMENTS (Tables)",
     "role": "http://www.presidiopt.com/role/SEGMENTSTables",
     "shortName": "SEGMENTS (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "ib728328c71584bb1905ae57882d6c4ad_I20191231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:PreferredStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002003 - Statement - Consolidated Balance Sheets (Parenthetical)",
     "role": "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
     "shortName": "Consolidated Balance Sheets (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "ib728328c71584bb1905ae57882d6c4ad_I20191231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:PreferredStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     }
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "ideb60e1deca14eba8a20bd4c7336abdf_I20171031",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfRealEstatePropertiesFeeSimple",
      "reportCount": 1,
      "unique": true,
      "unitRef": "property",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402401 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Details)",
     "role": "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
     "shortName": "ORGANIZATION AND BASIS OF PRESENTATION (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "ideb60e1deca14eba8a20bd4c7336abdf_I20171031",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfRealEstatePropertiesFeeSimple",
      "reportCount": 1,
      "unique": true,
      "unitRef": "property",
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:RealEstatePolicyTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AmortizationOfAboveAndBelowMarketLeases",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405402 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details)",
     "role": "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails",
     "shortName": "SIGNIFICANT ACCOUNTING POLICIES (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "us-gaap:RealEstatePolicyTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AmortizationOfAboveAndBelowMarketLeases",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "ideb60e1deca14eba8a20bd4c7336abdf_I20171031",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfRealEstateProperties",
      "reportCount": 1,
      "unitRef": "property2",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408403 - Disclosure - RECENT REAL ESTATE TRANSACTIONS (Disposals of Properties) (Details)",
     "role": "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
     "shortName": "RECENT REAL ESTATE TRANSACTIONS (Disposals of Properties) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-5",
      "lang": null,
      "name": "sqft:DisposalGroupIncludingDiscontinuedOperationOfRealEstateAssetsNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "ideb60e1deca14eba8a20bd4c7336abdf_I20171031",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfRealEstateProperties",
      "reportCount": 1,
      "unitRef": "property2",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409404 - Disclosure - RECENT REAL ESTATE TRANSACTIONS (Acquisitions of Properties) (Details)",
     "role": "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
     "shortName": "RECENT REAL ESTATE TRANSACTIONS (Acquisitions of Properties) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i327c91d470164ef78e0886777a6fe40e_I20191231",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:NumberOfRealEstateProperties",
      "reportCount": 1,
      "unique": true,
      "unitRef": "property",
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "ideb60e1deca14eba8a20bd4c7336abdf_I20171031",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfRealEstateProperties",
      "reportCount": 1,
      "unitRef": "property2",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2412405 - Disclosure - REAL ESTATE ASSETS (Properties) (Details)",
     "role": "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
     "shortName": "REAL ESTATE ASSETS (Properties) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "INF",
      "lang": null,
      "name": "sqft:NumberOfStatesRealEstatePropertyIsLocated",
      "reportCount": 1,
      "unique": true,
      "unitRef": "property",
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "sqft:RealEstateInvestmentPropertyAndLeaseIntangiblesNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2413406 - Disclosure - REAL ESTATE ASSETS (Summary of Properties Owned) (Details)",
     "role": "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
     "shortName": "REAL ESTATE ASSETS (Summary of Properties Owned) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfRealEstatePropertiesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i3dd82aa06cf34e928c175dd66cd5bea9_D20190101-20191231",
      "decimals": null,
      "lang": "en-US",
      "name": "sqft:GeographicLocationOfProperty",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i38b2049069d7498b9d799330e1309814_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2414407 - Disclosure - REAL ESTATE ASSETS (Summary of Future Minimum Rental Revenues under Existing Leases on Office/Industiral and Retail Propierties) (Details)",
     "role": "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails",
     "shortName": "REAL ESTATE ASSETS (Summary of Future Minimum Rental Revenues under Existing Leases on Office/Industiral and Retail Propierties) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i38b2049069d7498b9d799330e1309814_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i1d5dfc489757425d85ca4d59b786541b_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2415408 - Disclosure - REAL ESTATE ASSETS (Summary of Future Minimum Rental Revenues under Existing Leases on Model Home Properties) (Details)",
     "role": "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
     "shortName": "REAL ESTATE ASSETS (Summary of Future Minimum Rental Revenues under Existing Leases on Model Home Properties) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i1d5dfc489757425d85ca4d59b786541b_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418409 - Disclosure - Lease Intangibles (Net Value of Other Intangible Assets and Amortization by Class) (Details)",
     "role": "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails",
     "shortName": "Lease Intangibles (Net Value of Other Intangible Assets and Amortization by Class) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2419410 - Disclosure - Lease Intangibles (Additional Information) (Details)",
     "role": "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
     "shortName": "Lease Intangibles (Additional Information) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i1c541e2734a44fb6af06f2a593893ea6_I20191231",
      "decimals": "-5",
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:OperatingLeaseLeaseIncome",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003004 - Statement - Consolidated Statements of Operations",
     "role": "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
     "shortName": "Consolidated Statements of Operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "0",
      "lang": null,
      "name": "sqft:FeeAndOtherIncome",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2420411 - Disclosure - Lease Intangibles (Amortization Expense for the Company Lease Intangible Assets) (Details)",
     "role": "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails",
     "shortName": "Lease Intangibles (Amortization Expense for the Company Lease Intangible Assets) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:Land",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2423412 - Disclosure - OTHER ASSETS (Details)",
     "role": "http://www.presidiopt.com/role/OTHERASSETSDetails",
     "shortName": "OTHER ASSETS (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i1a28da94620d40d48cc7b4aae437fdc2_I20191231",
      "decimals": "0",
      "lang": null,
      "name": "us-gaap:DeferredRentReceivablesNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDebtTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "sqft:NotesPayableIncludingUnamortizedCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2426413 - Disclosure - MORTGAGE NOTES PAYABLE (Details)",
     "role": "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
     "shortName": "MORTGAGE NOTES PAYABLE (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDebtTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "sqft:NotesPayableIncludingUnamortizedCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2427414 - Disclosure - MORTGAGE NOTES PAYABLE (Scheduled Principal Payments of Mortgage Notes Payable) (Details)",
     "role": "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
     "shortName": "MORTGAGE NOTES PAYABLE (Scheduled Principal Payments of Mortgage Notes Payable) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "lang": null,
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtInstrumentCarryingAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2429415 - Disclosure - NOTE PAYABLE (Details)",
     "role": "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
     "shortName": "NOTE PAYABLE (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AccretionExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i5a75e5fbb09844aaa6009bd9e67a7379_D20170801-20170801",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "sqft:DebtInstrumentNumberOfExtensionOptions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "property",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2431416 - Disclosure - SERIES B MANDATORILY REDEEMABLE PREFERRED STOCK (Details)",
     "role": "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails",
     "shortName": "SERIES B MANDATORILY REDEEMABLE PREFERRED STOCK (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i5a75e5fbb09844aaa6009bd9e67a7379_D20170801-20170801",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "sqft:DebtInstrumentNumberOfExtensionOptions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "property",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "if0f93d2e567347efa160ab2e02a35d28_I20111231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:CommonStockSharesIssued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2434417 - Disclosure - STOCKHOLDERS' EQUITY (Common and Preferred Stock) (Details)",
     "role": "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails",
     "shortName": "STOCKHOLDERS' EQUITY (Common and Preferred Stock) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "if0f93d2e567347efa160ab2e02a35d28_I20111231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:CommonStockSharesIssued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:DividendsCommonStockCash",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:DividendsCommonStockCash",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2435418 - Disclosure - STOCKHOLDERS' EQUITY (Dividends) (Details)",
     "role": "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails",
     "shortName": "STOCKHOLDERS' EQUITY (Dividends) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:DividendsCommonStockCash",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:DividendsCommonStockCash",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestrictedStockValueSharesIssuedNetOfTaxWithholdings",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2438419 - Disclosure - SHARE-BASED INCENTIVE PLAN (Additional Information) (Details)",
     "role": "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
     "shortName": "SHARE-BASED INCENTIVE PLAN (Additional Information) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "-5",
      "first": true,
      "lang": null,
      "name": "us-gaap:RestrictedStockValueSharesIssuedNetOfTaxWithholdings",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i0b5dbdb63456495dab640029da10a49d_I20181231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2439420 - Disclosure - SHARE-BASED INCENTIVE PLAN (Non-vested Restricted Stock) (Details)",
     "role": "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails",
     "shortName": "SHARE-BASED INCENTIVE PLAN (Non-vested Restricted Stock) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i0b5dbdb63456495dab640029da10a49d_I20181231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i50bd7246358848fda6658369691cb064_I20171231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004005 - Statement - Consolidated Statements of Equity",
     "role": "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity",
     "shortName": "Consolidated Statements of Equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i50bd7246358848fda6658369691cb064_I20171231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i7a86e7aa8d2f4c26844c223c5dd77431_I20191231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:EquityMethodInvestmentOwnershipPercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2441421 - Disclosure - RELATED PARTY TRANSACTIONS (Additional Information) (Details)",
     "role": "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails",
     "shortName": "RELATED PARTY TRANSACTIONS (Additional Information) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i7a86e7aa8d2f4c26844c223c5dd77431_I20191231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:EquityMethodInvestmentOwnershipPercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:NumberOfReportableSegments",
      "reportCount": 1,
      "unitRef": "segment",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2444422 - Disclosure - SEGMENTS (Net Operating Income by Segment) (Details)",
     "role": "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails",
     "shortName": "SEGMENTS (Net Operating Income by Segment) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "0",
      "lang": null,
      "name": "us-gaap:OperatingIncomeLoss",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:RealEstateInvestmentPropertyNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2445423 - Disclosure - SEGMENTS (Assets) (Details)",
     "role": "http://www.presidiopt.com/role/SEGMENTSAssetsDetails",
     "shortName": "SEGMENTS (Assets) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:RealEstateInvestmentPropertyNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:PaymentsForTenantImprovements",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2446424 - Disclosure - SEGMENTS (Capital Expenditures) (Details)",
     "role": "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails",
     "shortName": "SEGMENTS (Capital Expenditures) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "us-gaap:ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "0",
      "lang": null,
      "name": "sqft:RealEstateAcquisitions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2448425 - Disclosure - SCHEDULE III - Real Estate and Accumulated Depreciation and Amortization (Details)",
     "role": "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
     "shortName": "SCHEDULE III - Real Estate and Accumulated Depreciation and Amortization (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "srt:RealEstateAndAccumulatedDepreciationDisclosureTextBlock",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i2f38db1b8b0e4e9fbc601903f7d98433_I20191231",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "srt:RealEstateAndAccumulatedDepreciationAmountOfEncumbrances",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i0ff6725ccfb742bea177b6145bcb399b_I20181231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "sqft:RealEstateInvestmentPropertyAndLeaseIntangiblesAtCost",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2449426 - Disclosure - SCHEDULE III - Real Estate and Accumulated Depreciation and Amortization (Changes in Period) (Details)",
     "role": "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails",
     "shortName": "SCHEDULE III - Real Estate and Accumulated Depreciation and Amortization (Changes in Period) (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "i50bd7246358848fda6658369691cb064_I20171231",
      "decimals": "0",
      "lang": null,
      "name": "sqft:RealEstateInvestmentPropertyAndLeaseIntangiblesAtCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "0",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProfitLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005006 - Statement - Consolidated Statements of Cash Flows",
     "role": "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
     "shortName": "Consolidated Statements of Cash Flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": "0",
      "lang": null,
      "name": "sqft:DepreciationAmortizationAndAmortizationOfAboveMarketRents",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2101101 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION",
     "role": "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATION",
     "shortName": "ORGANIZATION AND BASIS OF PRESENTATION",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2103102 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES",
     "role": "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIES",
     "shortName": "SIGNIFICANT ACCOUNTING POLICIES",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RealEstateDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2106103 - Disclosure - RECENT REAL ESTATE TRANSACTIONS",
     "role": "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONS",
     "shortName": "RECENT REAL ESTATE TRANSACTIONS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sqft-20191231.htm",
      "contextRef": "iac11d68a57404789ad943f20a7051455_D20190101-20191231",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RealEstateDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 102,
   "tag": {
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover page."
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentAnnualReport": {
     "auth_ref": [
      "r340"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an annual report.",
        "label": "Document Annual Report",
        "terseLabel": "Document Annual Report"
       }
      }
     },
     "localname": "DocumentAnnualReport",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r339"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a transition report.",
        "label": "Document Transition Report",
        "terseLabel": "Document Transition Report"
       }
      }
     },
     "localname": "DocumentTransitionReport",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_DocumentsIncorporatedByReferenceTextBlock": {
     "auth_ref": [
      "r337"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Documents incorporated by reference.",
        "label": "Documents Incorporated by Reference [Text Block]",
        "terseLabel": "Documents Incorporated by Reference"
       }
      }
     },
     "localname": "DocumentsIncorporatedByReferenceTextBlock",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "textBlockItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine2": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 2 such as Street or Suite number",
        "label": "Entity Address, Address Line Two",
        "terseLabel": "Entity Address, Address Line Two"
       }
      }
     },
     "localname": "EntityAddressAddressLine2",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r341"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Stock, Shares Outstanding"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityCurrentReportingStatus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Current Reporting Status",
        "terseLabel": "Entity Current Reporting Status"
       }
      }
     },
     "localname": "EntityCurrentReportingStatus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r341"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r341"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation, State or Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r343"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
        "label": "Entity Interactive Data Current",
        "terseLabel": "Entity Interactive Data Current"
       }
      }
     },
     "localname": "EntityInteractiveDataCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityPublicFloat": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.",
        "label": "Entity Public Float",
        "terseLabel": "Entity Public Float"
       }
      }
     },
     "localname": "EntityPublicFloat",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r341"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r341"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
        "label": "Entity Shell Company",
        "terseLabel": "Entity Shell Company"
       }
      }
     },
     "localname": "EntityShellCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r341"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).",
        "label": "Entity Small Business",
        "terseLabel": "Entity Small Business"
       }
      }
     },
     "localname": "EntitySmallBusiness",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r341"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_EntityVoluntaryFilers": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.",
        "label": "Entity Voluntary Filers",
        "terseLabel": "Entity Voluntary Filers"
       }
      }
     },
     "localname": "EntityVoluntaryFilers",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.",
        "label": "Entity Well-known Seasoned Issuer",
        "terseLabel": "Entity Well-known Seasoned Issuer"
       }
      }
     },
     "localname": "EntityWellKnownSeasonedIssuer",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_NoTradingSymbolFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a security having no trading symbol.",
        "label": "No Trading Symbol Flag",
        "terseLabel": "No Trading Symbol Flag"
       }
      }
     },
     "localname": "NoTradingSymbolFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_Security12gTitle": {
     "auth_ref": [
      "r338"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Title of a 12(g) registered security.",
        "label": "Title of 12(g) Security",
        "terseLabel": "Title of 12(g) Security"
       }
      }
     },
     "localname": "Security12gTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/CoverPage"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "sqft_AccrualOfDividendsPayable": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncash accrual of dividends payable",
        "label": "Accrual Of Dividends Payable",
        "terseLabel": "Accrual of dividends payable"
       }
      }
     },
     "localname": "AccrualOfDividendsPayable",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_AccruedRealEstateTaxes": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accrued real estate taxes.",
        "label": "Accrued Real Estate Taxes",
        "terseLabel": "Accrued real estate taxes"
       }
      }
     },
     "localname": "AccruedRealEstateTaxes",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_AlternateBaseRateMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Alternate base rate.",
        "label": "Alternate Base Rate [Member]",
        "terseLabel": "ABR"
       }
      }
     },
     "localname": "AlternateBaseRateMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_AmortizationOfAboveMarketLeases": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of non-cash amortization of intangible asset (liability) for above market leases.",
        "label": "Amortization Of Above Market Leases",
        "terseLabel": "Amortization of above-market leases"
       }
      }
     },
     "localname": "AmortizationOfAboveMarketLeases",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_AmortizationOfValueOfInPlaceLeases": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The period of amortization of the value of in-place leases.",
        "label": "Amortization Of Value Of In Place Leases",
        "terseLabel": "Remaining term of in-place leases (in years)"
       }
      }
     },
     "localname": "AmortizationOfValueOfInPlaceLeases",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sqft_AntidilutiveSecuritiesIncludedInComputationOfEarningsPerShareAmount": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Antidilutive securities included in computation of earnings per share amount.",
        "label": "Antidilutive Securities Included In Computation Of Earnings Per Share Amount",
        "terseLabel": "Anti-dilutive shares included in computation of diluted earnings per share (in shares)"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesIncludedInComputationOfEarningsPerShareAmount",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sqft_ArapahoeCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Arapahoe center.",
        "label": "Arapahoe Center [Member]",
        "terseLabel": "Arapahoe Center"
       }
      }
     },
     "localname": "ArapahoeCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_CentennialTechCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Centennial tech center.",
        "label": "Centennial Tech Center [Member]",
        "terseLabel": "Centennial Tech Center"
       }
      }
     },
     "localname": "CentennialTechCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ChairmanAndChiefExecutiveOfficerAndAnotherRelatedPartyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Chairman of the Board and highest ranking executive officer, who has ultimate managerial responsibility for the entity and who reports to the board of directors, and another related party.",
        "label": "Chairman And Chief Executive Officer And Another Related Party [Member]",
        "terseLabel": "Chairman and Chief Executive Officer and Another Related Party"
       }
      }
     },
     "localname": "ChairmanAndChiefExecutiveOfficerAndAnotherRelatedPartyMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ChangeAccruedRealEstateTaxes": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 14.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Change accrued real estate taxes.",
        "label": "Change Accrued Real Estate Taxes",
        "terseLabel": "Accrued real estate taxes"
       }
      }
     },
     "localname": "ChangeAccruedRealEstateTaxes",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_CommercialPropertyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commercial Property",
        "label": "Commercial Property [Member]",
        "terseLabel": "Commercial Property"
       }
      }
     },
     "localname": "CommercialPropertyMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ContributedCapitalLessDistributionsOfNoncontrollingInterests": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payments received from investments in consolidated subsidiary in excess of dividends and distributions made to subsidiaries including limited partnerships",
        "label": "Contributed Capital Less Distributions Of Noncontrolling Interests",
        "terseLabel": "Contributions received from noncontrolling interests, net of distributions paid"
       }
      }
     },
     "localname": "ContributedCapitalLessDistributionsOfNoncontrollingInterests",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_DakotaBankBuildingsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dakota bank buildings.",
        "label": "Dakota Bank Buildings [Member]",
        "terseLabel": "Dakota Center"
       }
      }
     },
     "localname": "DakotaBankBuildingsMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_DakotaCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dakota Center.",
        "label": "Dakota Center [Member]",
        "terseLabel": "Dakota Center"
       }
      }
     },
     "localname": "DakotaCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_DebtInstrumentNumberOfExtensionOptions": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Number of Extension Options",
        "label": "Debt Instrument, Number of Extension Options",
        "terseLabel": "Extension options"
       }
      }
     },
     "localname": "DebtInstrumentNumberOfExtensionOptions",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_DebtInstrumentTermOfExtensionOptions": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Term of Extension Options",
        "label": "Debt Instrument, Term of Extension Options",
        "terseLabel": "Term of extension options"
       }
      }
     },
     "localname": "DebtInstrumentTermOfExtensionOptions",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sqft_DebtInstrumentVariableRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt instrument variable rate.",
        "label": "Debt Instrument Variable Rate",
        "terseLabel": "Variable Interest Rate"
       }
      }
     },
     "localname": "DebtInstrumentVariableRate",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sqft_DepreciationAmortizationAndAmortizationOfAboveMarketRents": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Depreciation, amortization including amortization of above market rents included in the line item rental income",
        "label": "Depreciation Amortization And Amortization Of Above Market Rents",
        "terseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationAmortizationAndAmortizationOfAboveMarketRents",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_DepreciationExpeseAndAmortizationExpenseRelatedToIntangiblesAndAmortizationOfLeasingCommissions": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "depreciation expese and amortization expense related to the intangibles and amortization of leasing commissions.",
        "label": "Depreciation Expese And Amortization Expense Related To Intangibles And Amortization Of Leasing Commissions",
        "terseLabel": "Depreciation expense"
       }
      }
     },
     "localname": "DepreciationExpeseAndAmortizationExpenseRelatedToIntangiblesAndAmortizationOfLeasingCommissions",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_DisposalGroupIncludingDiscontinuedOperationOfRealEstateAssetsNet": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disposal group including discontinued operation of real estate assets net.",
        "label": "Disposal Group Including Discontinued Operation Of Real Estate Assets Net",
        "terseLabel": "Disposed of real estate assets with net carrying value"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationOfRealEstateAssetsNet",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_DividendReinvestmentPlanAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dividend Reinvestment Plan [Abstract]",
        "label": "Dividend Reinvestment Plan [Abstract]",
        "terseLabel": "Dividend Reinvestment Plan [Abstract]"
       }
      }
     },
     "localname": "DividendReinvestmentPlanAbstract",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_DividendReinvestments": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dividend of reinvestments.",
        "label": "Dividend Reinvestments",
        "terseLabel": "Dividend reinvestments"
       }
      }
     },
     "localname": "DividendReinvestments",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_DuboseModelHomeInvestors201LpMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dubose Model Home Investors 201 L.P. [Member]",
        "label": "Dubose Model Home Investors201 Lp [Member]",
        "terseLabel": "Model Homes-DMH LP #202"
       }
      }
     },
     "localname": "DuboseModelHomeInvestors201LpMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_DuboseModelHomeInvestors202LPMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dubose Model Home Investors 202, L.P. [Member]",
        "label": "Dubose Model Home Investors202 L P [Member]",
        "terseLabel": "Model Homes-DMH LP #203"
       }
      }
     },
     "localname": "DuboseModelHomeInvestors202LPMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_DuboseModelHomeInvestors204LPMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dubose Model Home Investors 204, L.P.",
        "label": "Dubose Model Home Investors204 L P [Member]",
        "terseLabel": "Model Homes-DMH LP #204"
       }
      }
     },
     "localname": "DuboseModelHomeInvestors204LPMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_DuboseModelHomeInvestors205LPMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Dubose Model Home Investors 205, L.P.",
        "label": "Dubose Model Home Investors 205, L.P. [Member]",
        "terseLabel": "Model Homes-DMH LP #205"
       }
      }
     },
     "localname": "DuboseModelHomeInvestors205LPMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ExecutiveOfficeParkMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Executive office park.",
        "label": "Executive Office Park [Member]",
        "terseLabel": "Executive Office Park"
       }
      }
     },
     "localname": "ExecutiveOfficeParkMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_FairValueRatioPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Ratio Percent",
        "label": "Fair Value Ratio Percent",
        "terseLabel": "Fair value ratio percent"
       }
      }
     },
     "localname": "FairValueRatioPercent",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sqft_FeeAndOtherIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_Revenues",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fees charged for the acquisition of model homes and other income",
        "label": "Fee And Other Income",
        "terseLabel": "Fee and other income"
       }
      }
     },
     "localname": "FeeAndOtherIncome",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_FinancialInstrumentsSubjectToMandatoryRedemptionDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of the nature and terms of the financial instruments and the rights and obligations embodied in those instruments, information about settlement alternatives, if any, in the contract and identification of the entity that controls the settlement alternatives including: a. The amount that would be paid, or the number of shares that would be issued and their fair value, determined under the conditions specified in the contract if the settlement were to occur at the reporting date b. How changes in the fair value of the issuer's equity shares would affect those settlement amounts (for example, \"the issuer is obligated to issue an additional x shares or pay an additional y dollars in cash for each $1 decrease in the fair value of one share\") c. The maximum amount that the issuer could be required to pay to redeem the instrument by physical settlement, if applicable d. The maximum number of shares that could be required to be issued, if applicable e. That a contract does not limit the amount that the issuer could be required to pay or the number of shares that the issuer could be required to issue, if applicable f. For a forward contract or an option indexed to the issuer's equity shares, the forward price or option strike price, the number of issuer's shares to which the contract is indexed, and the settlement date or dates of the contract, as applicable. g. The components of the liability that would otherwise be related to shareholders' interest and other comprehensive income (if any) subject to the redemption feature (for example, par value and other paid in amounts of mandatorily redeemable instruments are disclosed separately from the amount of retained earnings or accumulated deficit).",
        "label": "Financial Instruments Subject To Mandatory Redemption Disclosure [Text Block]",
        "terseLabel": "SERIES B MANDATORILY REDEEMABLE PREFERRED STOCK"
       }
      }
     },
     "localname": "FinancialInstrumentsSubjectToMandatoryRedemptionDisclosureTextBlock",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCK"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sqft_FiniteLivedIntangibleAssetsNetOfAmountsIncludedInRealEstateAssetsHeldForSale": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAtCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Finite lived intangible assets net of amounts included in real estate assets held for sale.",
        "label": "Finite Lived Intangible Assets Net Of Amounts Included In Real Estate Assets Held For Sale",
        "terseLabel": "Lease intangibles"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsNetOfAmountsIncludedInRealEstateAssetsHeldForSale",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_GardenGatewayPlazaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Garden gateway plaza.",
        "label": "Garden Gateway Plaza [Member]",
        "terseLabel": "Garden Gateway Plaza"
       }
      }
     },
     "localname": "GardenGatewayPlazaMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_GenesisPlazaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Genesis plaza.",
        "label": "Genesis Plaza [Member]",
        "terseLabel": "Genesis Plaza"
       }
      }
     },
     "localname": "GenesisPlazaMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_GeographicLocationOfProperty": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location of real estate investment",
        "label": "Geographic Location Of Property",
        "terseLabel": "Location"
       }
      }
     },
     "localname": "GeographicLocationOfProperty",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_GrandPacificCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Grand pacific center.",
        "label": "Grand Pacific Center [Member]",
        "terseLabel": "Grand Pacific Center"
       }
      }
     },
     "localname": "GrandPacificCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_HighlandCourtMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Highland court.",
        "label": "Highland Court [Member]",
        "terseLabel": "Highland Court"
       }
      }
     },
     "localname": "HighlandCourtMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_IndustrialOfficePropertiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The segments pertaining to Industrial Office Properties.",
        "label": "Industrial Office Properties [Member]",
        "terseLabel": "Industrial Office Properties",
        "verboseLabel": "Office/Industrial Properties"
       }
      }
     },
     "localname": "IndustrialOfficePropertiesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails",
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_IntangibleAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Intangible Assets [Abstract]",
        "label": "Intangible Assets [Abstract]",
        "terseLabel": "Intangible Assets [Abstract]"
       }
      }
     },
     "localname": "IntangibleAssetsAbstract",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_InterestExpenseNotesPayable": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest Expense, Notes Payable",
        "label": "Interest Expense, Notes Payable",
        "negatedLabel": "Interest expense-note payable"
       }
      }
     },
     "localname": "InterestExpenseNotesPayable",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_InterestExpensePreferredStock": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the cost of preferred stock accounted for as interest expense.",
        "label": "Interest Expense Preferred Stock",
        "negatedLabel": "Interest expense-Series B Preferred Stock"
       }
      }
     },
     "localname": "InterestExpensePreferredStock",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_InterestPaidMortgageNotes": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash paid for mortgage notes interest during the period net of cash paid for interest that is capitalized.",
        "label": "Interest Paid Mortgage Notes",
        "terseLabel": "Interest paid-mortgage notes payable"
       }
      }
     },
     "localname": "InterestPaidMortgageNotes",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_InterestPaidNotes": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest Paid, Notes",
        "label": "Interest Paid, Notes",
        "terseLabel": "Interest paid-notes payable"
       }
      }
     },
     "localname": "InterestPaidNotes",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_InterestPaidPreferredStockSeriesB": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash paid for preferred stock series B interest during the period net of cash paid for interest that is capitalized.",
        "label": "Interest Paid Preferred Stock Series B",
        "terseLabel": "Interest paid-Series B preferred stock"
       }
      }
     },
     "localname": "InterestPaidPreferredStockSeriesB",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_LeasingCostMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Leasing Cost [Member]",
        "label": "Leasing Cost [Member]",
        "terseLabel": "Leasing costs"
       }
      }
     },
     "localname": "LeasingCostMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_LessorLeasingArrangementsOperatingLeaseOptionToExtend": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lessor leasing arrangements operating lease option to extend.",
        "label": "Lessor Leasing Arrangements Operating Lease Option To Extend",
        "terseLabel": "Term of option to extend lease agreements"
       }
      }
     },
     "localname": "LessorLeasingArrangementsOperatingLeaseOptionToExtend",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sqft_LossOnFederalDepositInsuranceCorporation": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loss on federal deposit insurance corporation.",
        "label": "Loss On Federal Deposit Insurance Corporation",
        "terseLabel": "Loss on federal deposit insurance corporation"
       }
      }
     },
     "localname": "LossOnFederalDepositInsuranceCorporation",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_MaximumIndividualCommonStockOwnership": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of maximum individual common stock ownership.",
        "label": "Maximum Individual Common Stock Ownership",
        "terseLabel": "Maximum individual common stock ownership (in hundredths)"
       }
      }
     },
     "localname": "MaximumIndividualCommonStockOwnership",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sqft_ModelHomeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Model home",
        "label": "Model Home [Member]",
        "terseLabel": "Model Home"
       }
      }
     },
     "localname": "ModelHomeMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ModelHomePropertiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Model home properties held by NetREIT.",
        "label": "Model Home Properties [Member]",
        "terseLabel": "Model Home Properties"
       }
      }
     },
     "localname": "ModelHomePropertiesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSTables",
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails",
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_MorenaOfficeCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Morena office center.",
        "label": "Morena Office Center [Member]",
        "terseLabel": "Morena Office Center"
       }
      }
     },
     "localname": "MorenaOfficeCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_MortgageNotesPayable": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Mortgage notes payable.",
        "label": "Mortgage Notes Payable",
        "totalLabel": "Mortgage notes payable, net"
       }
      }
     },
     "localname": "MortgageNotesPayable",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_MortgageNotesPayableMaturingYear": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Mortgage notes payable maturing year.",
        "label": "Mortgage Notes Payable Maturing Year",
        "terseLabel": "Mortgage notes payable maturing year"
       }
      }
     },
     "localname": "MortgageNotesPayableMaturingYear",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "gYearItemType"
    },
    "sqft_MortgageNotesPayableMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Mortgage notes payable.",
        "label": "Mortgage Notes Payable [Member]",
        "terseLabel": "Mortgage Notes Payable"
       }
      }
     },
     "localname": "MortgageNotesPayableMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_MortgageNotesPayableNet": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Mortgage Notes Payable net",
        "label": "Mortgage Notes Payable Net",
        "terseLabel": "Mortgage notes payable related to real estate assets held for investment, net"
       }
      }
     },
     "localname": "MortgageNotesPayableNet",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_MortgageNotesPayableRelatedToPropertiesHeldForSaleNet": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Mortgage notes payable related to properties held for sale, net.",
        "label": "Mortgage Notes Payable Related To Properties Held For Sale Net",
        "terseLabel": "Mortgage notes payable related to real estate assets held for sale, net"
       }
      }
     },
     "localname": "MortgageNotesPayableRelatedToPropertiesHeldForSaleNet",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_MortgagePayableMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Mortgage Payable Member",
        "label": "Mortgage Payable [Member]",
        "terseLabel": "Mortgage Payable"
       }
      }
     },
     "localname": "MortgagePayableMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_NetREITModelHomesLLCMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "NetREIT model homes LLC.",
        "label": "Net R E I T Model Homes L L C [Member]",
        "terseLabel": "Model Homes-NMH Inc."
       }
      }
     },
     "localname": "NetREITModelHomesLLCMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_NetreitDuboseModelHomeReitIncMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The name of the entity related to a business acquisition.",
        "label": "Netreit Dubose Model Home Reit Inc [Member]",
        "terseLabel": "Model Homes -NDMHR, LP"
       }
      }
     },
     "localname": "NetreitDuboseModelHomeReitIncMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_NonVestedRestrictedSharesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non vested restricted shares.",
        "label": "Non Vested Restricted Shares [Member]",
        "terseLabel": "Non Vested Restricted Shares"
       }
      }
     },
     "localname": "NonVestedRestrictedSharesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_NonoperatingInterestAndOtherIncomeExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Nonoperating interest and other income (expense).",
        "label": "Nonoperating Interest And Other Income Expense",
        "terseLabel": "Interest and other income"
       }
      }
     },
     "localname": "NonoperatingInterestAndOtherIncomeExpense",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_NotesPayableIncludingUnamortizedCost": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails": {
       "order": 2.0,
       "parentTag": "sqft_MortgageNotesPayable",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Notes Payable Including Unamortized Cost.",
        "label": "Notes Payable Including Unamortized Cost",
        "terseLabel": "Mortgage Notes Payable"
       }
      }
     },
     "localname": "NotesPayableIncludingUnamortizedCost",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_NoticePeriodForAmendmentsToDividendReinvestmentPlan": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The period of notice for an amendment, suspension or termination to the Dividend Reinvestment Plan prior to a designated dividend record date.",
        "label": "Notice Period For Amendments To Dividend Reinvestment Plan",
        "terseLabel": "Notice period for amendments to Dividend Reinvestment Plan"
       }
      }
     },
     "localname": "NoticePeriodForAmendmentsToDividendReinvestmentPlan",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sqft_NumberOfEntitledVotes": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of votes the holder of a share of stock is entitled to.",
        "label": "Number Of Entitled Votes",
        "terseLabel": "Number of votes holder is entitled to"
       }
      }
     },
     "localname": "NumberOfEntitledVotes",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_NumberOfLimitedLiabilityCompanies": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of limited liability companies.",
        "label": "Number Of Limited Liability Companies",
        "terseLabel": "Number of Limited Liability Companies"
       }
      }
     },
     "localname": "NumberOfLimitedLiabilityCompanies",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_NumberOfLimitedPartnershipsInWhichCompanyIsSoleGeneralPartner": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of limited partnerships in which the company is the sole General Partner.",
        "label": "Number Of Limited Partnerships In Which Company Is Sole General Partner",
        "terseLabel": "Number of limited partnerships in which the company is sole General Partner"
       }
      }
     },
     "localname": "NumberOfLimitedPartnershipsInWhichCompanyIsSoleGeneralPartner",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_NumberOfOperatingLeaseLiabilities": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number Of Operating Lease, Liabilities",
        "label": "Number Of Operating Lease, Liabilities",
        "terseLabel": "Number operating lease liabilities"
       }
      }
     },
     "localname": "NumberOfOperatingLeaseLiabilities",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_NumberOfOperatingLeaseRightOfUseAssets": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number Of Operating Lease, Right-Of-Use Assets",
        "label": "Number Of Operating Lease, Right-Of-Use Assets",
        "terseLabel": "Number of operating lease, right-of-use assets"
       }
      }
     },
     "localname": "NumberOfOperatingLeaseRightOfUseAssets",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_NumberOfPartnershipsThatPurchaseAndLeasebackModelHomesFromDevelopersInWhichCompanyIsLimitedPartner": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of partnerships that purchase and leaseback model homes from developers in which the company is a limited partner.",
        "label": "Number Of Partnerships That Purchase And Leaseback Model Homes From Developers In Which Company Is Limited Partner",
        "terseLabel": "Number of partnerships that purchase and leaseback model homes from developers in which the company is a limited partner"
       }
      }
     },
     "localname": "NumberOfPartnershipsThatPurchaseAndLeasebackModelHomesFromDevelopersInWhichCompanyIsLimitedPartner",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_NumberOfStatesRealEstatePropertyIsLocated": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number Of States Real Estate Property Is Located",
        "label": "Number Of States Real Estate Property Is Located",
        "terseLabel": "Number of states that real estate property is located"
       }
      }
     },
     "localname": "NumberOfStatesRealEstatePropertyIsLocated",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_NumberOfTenants": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of tenants.",
        "label": "Number Of Tenants",
        "terseLabel": "Number of tenant"
       }
      }
     },
     "localname": "NumberOfTenants",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sqft_OfferingPrice": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The offering price as adjusted for stock dividends since granted and assumed selling costs.",
        "label": "Offering Price",
        "terseLabel": "Offering price (in dollars per share)"
       }
      }
     },
     "localname": "OfferingPrice",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sqft_OfficeIndustrialAndRetailPropertiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Office/Industrial and retail properties.",
        "label": "Office Industrial And Retail Properties [Member]",
        "terseLabel": "Office/Industrial and Retail Properties"
       }
      }
     },
     "localname": "OfficeIndustrialAndRetailPropertiesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSTables"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_OfficePropertiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Office properties.",
        "label": "Office Properties [Member]",
        "terseLabel": "Office Properties"
       }
      }
     },
     "localname": "OfficePropertiesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_OneParkCentreMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "One park centre.",
        "label": "One Park Centre [Member]",
        "terseLabel": "One Park Centre"
       }
      }
     },
     "localname": "OneParkCentreMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_OneParkCentreWestminsterCOMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "One Park Centre, Westminster CO.",
        "label": "One Park Centre Westminster C O [Member]",
        "terseLabel": "One Park Centre"
       }
      }
     },
     "localname": "OneParkCentreWestminsterCOMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_OneParkeCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "One Parke Center.",
        "label": "One Parke Center [Member]",
        "terseLabel": "One Park Centre"
       }
      }
     },
     "localname": "OneParkeCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_OperatingLeaseLiabilityGross": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments gross from operating lease.",
        "label": "Operating Lease Liability Gross",
        "terseLabel": "Lease liabilities"
       }
      }
     },
     "localname": "OperatingLeaseLiabilityGross",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_OrganizationAndBasisOfPresentationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Organization And Basis Of Presentation [Line Items]",
        "terseLabel": "Organization And Basis Of Presentation [Line Items]"
       }
      }
     },
     "localname": "OrganizationAndBasisOfPresentationLineItems",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_OrganizationAndBasisOfPresentationTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting the organization and basis of presentation information.",
        "label": "Organization And Basis Of Presentation [Table]",
        "terseLabel": "Organization And Basis Of Presentation [Table]"
       }
      }
     },
     "localname": "OrganizationAndBasisOfPresentationTable",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_OtherAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other assets.",
        "label": "Other Assets [Line Items]",
        "terseLabel": "Other Assets [Line Items]"
       }
      }
     },
     "localname": "OtherAssetsLineItems",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_OtherAssetsTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other assets.",
        "label": "Other Assets [Table]",
        "terseLabel": "Other Assets [Table]"
       }
      }
     },
     "localname": "OtherAssetsTable",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_PacificOaksPlazaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Pacific oaks plaza.",
        "label": "Pacific Oaks Plaza [Member]",
        "terseLabel": "Pacific Oaks Plaza"
       }
      }
     },
     "localname": "PacificOaksPlazaMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_PaymentOfSalesCommissionOrDealerManagerFee": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Payment of sales commission or dealer manager fee.",
        "label": "Payment Of Sales Commission Or Dealer Manager Fee",
        "terseLabel": "Payment of sales commission or dealer manager fee"
       }
      }
     },
     "localname": "PaymentOfSalesCommissionOrDealerManagerFee",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_PercentageOfDistributedTaxableIncomeToQualifyAsReit": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of distributed taxable income to qualify as REIT.",
        "label": "Percentage Of Distributed Taxable Income To Qualify As Reit",
        "terseLabel": "Percentage of distributed taxable income to qualify as REIT"
       }
      }
     },
     "localname": "PercentageOfDistributedTaxableIncomeToQualifyAsReit",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sqft_PercentageOfPurchasePricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the purchase price per share of the entity.",
        "label": "Percentage Of Purchase Price Per Share",
        "terseLabel": "Percentage of purchase price per share (in hundredths)"
       }
      }
     },
     "localname": "PercentageOfPurchasePricePerShare",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sqft_PolarMultiStrategyMasterFundMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Polar Multi-Strategy Master Fund",
        "label": "Polar Multi-Strategy Master Fund [Member]",
        "terseLabel": "Polar Multi-Strategy Master Fund"
       }
      }
     },
     "localname": "PolarMultiStrategyMasterFundMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_PortOfSanDiegoComplexMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Port of san Diego complex.",
        "label": "Port Of San Diego Complex [Member]",
        "terseLabel": "Port of San Diego Complex"
       }
      }
     },
     "localname": "PortOfSanDiegoComplexMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_PreferredStockRedemptionExtensionFee": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Preferred stock redemption extension fee.",
        "label": "Preferred Stock Redemption Extension Fee",
        "terseLabel": "Preferred stock redemption extension fee paid"
       }
      }
     },
     "localname": "PreferredStockRedemptionExtensionFee",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_PresidioMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The property is a four-story office building with of approximately 80,800 rentable square feet. The building is approximately 80,800 rentable square feet located in Colorado Springs, Colorado.",
        "label": "Presidio [Member]",
        "terseLabel": "The Presidio"
       }
      }
     },
     "localname": "PresidioMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_PropertiesAcquiredAndSoldTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the properties acquired and sold during the period.",
        "label": "Properties Acquired And Sold [Table Text Block]",
        "terseLabel": "Properties Acquired and Sold"
       }
      }
     },
     "localname": "PropertiesAcquiredAndSoldTableTextBlock",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sqft_RealEstateAcquisitions": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The total of additions to real estate and lease intangibles",
        "label": "Real Estate Acquisitions",
        "totalLabel": "Total real estate investments"
       }
      }
     },
     "localname": "RealEstateAcquisitions",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_RealEstateAssetAcquisitionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real Estate Asset Acquisitions [Abstract]",
        "label": "Real Estate Asset Acquisitions [Abstract]",
        "terseLabel": "Real Estate Asset Acquisitions [Abstract]"
       }
      }
     },
     "localname": "RealEstateAssetAcquisitionsAbstract",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_RealEstateAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate assets abstract.",
        "label": "Real Estate Assets [Abstract]",
        "terseLabel": "Real Estate Assets [Abstract]"
       }
      }
     },
     "localname": "RealEstateAssetsAbstract",
     "nsuri": "http://www.presidiopt.com/20191231",
     "xbrltype": "stringItemType"
    },
    "sqft_RealEstateAssetsHeldForSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate assets held for sale.",
        "label": "Real Estate Assets Held For Sale [Member]",
        "terseLabel": "Real Estate Assets Held For Sale"
       }
      }
     },
     "localname": "RealEstateAssetsHeldForSaleMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_RealEstateAssetsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for certain real estate assets.",
        "label": "Real Estate Assets [Text Block]",
        "terseLabel": "REAL ESTATE ASSETS"
       }
      }
     },
     "localname": "RealEstateAssetsTextBlock",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETS"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesAccumulatedDepreciationAndAmortization": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate investment property and lease intangibles accumulated depreciation and amortization.",
        "label": "Real Estate Investment Property And Lease Intangibles Accumulated Depreciation And Amortization",
        "negatedLabel": "Accumulated depreciation and amortization"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyAndLeaseIntangiblesAccumulatedDepreciationAndAmortization",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesAtCost": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails": {
       "order": 2.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate investment property and lease intangibles at cost.",
        "label": "Real Estate Investment Property And Lease Intangibles At Cost",
        "periodEndLabel": "Balance at the end of the year",
        "periodStartLabel": "Balance at the beginning of the year"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyAndLeaseIntangiblesAtCost",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAndRealEstateHeldForSaleNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate investment property and lease intangibles held for investment and real estate held for sale net.",
        "label": "Real Estate Investment Property And Lease Intangibles Held For Investment And Real Estate Held For Sale Net",
        "totalLabel": "Real estate assets, net"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAndRealEstateHeldForSaleNet",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAtCost": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate investment property and lease intangibles held for investment at cost.",
        "label": "Real Estate Investment Property And Lease Intangibles Held For Investment At Cost",
        "totalLabel": "Real estate assets and lease intangibles held for investment, cost"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAtCost",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAndRealEstateHeldForSaleNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate investment property and lease intangibles held for investment net.",
        "label": "Real Estate Investment Property And Lease Intangibles Held For Investment Net",
        "totalLabel": "Real estate assets and lease intangibles held for investment, net"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentNet",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real estate investment property and lease intangibles net.",
        "label": "Real Estate Investment Property And Lease Intangibles Net",
        "totalLabel": "Real estate assets, net",
        "verboseLabel": "Real estate assets, net (in thousands)"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyAndLeaseIntangiblesNet",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_RecentlyIssuedAccountingPronouncementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Recently Issued Accounting Pronouncements",
        "label": "Recently Issued Accounting Pronouncements [Abstract]",
        "terseLabel": "Recently Issued Accounting Pronouncements [Abstract]"
       }
      }
     },
     "localname": "RecentlyIssuedAccountingPronouncementsAbstract",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Reconciliation of other significant reconciling items from segments to consolidated.",
        "label": "Reconciliation Of Other Significant Reconciling Items From Segments To Consolidated [Abstract]",
        "terseLabel": "Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Abstract]"
       }
      }
     },
     "localname": "ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedAbstract",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_RedeemableConvertiblePreferredStockSeriesBMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Convertible redeemable preferred stock possess conversion and redemption features. The stock has redemption features that are outside the control of the issuer.",
        "label": "Redeemable Convertible Preferred Stock Series B [Member]",
        "terseLabel": "Redeemable Convertible Preferred Stock Series B"
       }
      }
     },
     "localname": "RedeemableConvertiblePreferredStockSeriesBMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_RegisteredSharesOfCommonStockPursuantToDividendReinvestmentPlan": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of registered shares of common stock pursuant to the dividend reinvestment plan.",
        "label": "Registered Shares Of Common Stock Pursuant To Dividend Reinvestment Plan",
        "terseLabel": "Registered shares of common stock pursuant to dividend reinvestment plan (in shares)"
       }
      }
     },
     "localname": "RegisteredSharesOfCommonStockPursuantToDividendReinvestmentPlan",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "sqft_RentalIncomeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Rental income.",
        "label": "Rental Income [Member]",
        "terseLabel": "Rental Income"
       }
      }
     },
     "localname": "RentalIncomeMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ResearchParkwayMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Research parkway.",
        "label": "Research Parkway [Member]",
        "terseLabel": "Research Parkway"
       }
      }
     },
     "localname": "ResearchParkwayMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ResidentialPropertiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The segments pertaining to Residential Properties.",
        "label": "Residential Properties [Member]",
        "terseLabel": "Residential Properties"
       }
      }
     },
     "localname": "ResidentialPropertiesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_RestrictedStockPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Incentive award plan established for the purpose of attracting and retaining officers, key employees and non-employee board members.",
        "label": "Restricted Stock Plan [Member]",
        "terseLabel": "Restricted Stock Plan"
       }
      }
     },
     "localname": "RestrictedStockPlanMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_RetailPropertiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The segments pertaining to Retail Properties.",
        "label": "Retail Properties [Member]",
        "terseLabel": "Retail Properties"
       }
      }
     },
     "localname": "RetailPropertiesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_SaleOfPercentageInterestInRealEstateProperty": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sale of percentage interest in real estate property.",
        "label": "Sale Of Percentage Interest In Real Estate Property",
        "terseLabel": "Sale of percentage interest in real estate property"
       }
      }
     },
     "localname": "SaleOfPercentageInterestInRealEstateProperty",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sqft_SaleOfStockNatureOfConsiderationReceivedPerTransaction1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sale of stock nature of consideration received per transaction 1.",
        "label": "Sale Of Stock Nature Of Consideration Received Per Transaction1",
        "terseLabel": "Sale of stock, nature of consideration received per transaction"
       }
      }
     },
     "localname": "SaleOfStockNatureOfConsiderationReceivedPerTransaction1",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_SaleProceedsFromRealEstateProperty": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sale proceeds from real estate property.",
        "label": "Sale Proceeds From Real Estate Property",
        "terseLabel": "Sale proceeds from real estate"
       }
      }
     },
     "localname": "SaleProceedsFromRealEstateProperty",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_SalesPricePerShareOfStock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Per share amount for each share of common stock formerly sold.",
        "label": "Sales Price Per Share Of Stock",
        "terseLabel": "Former sales price per share (in dollars per share)"
       }
      }
     },
     "localname": "SalesPricePerShareOfStock",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sqft_SheaCenterIIMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Shea Center II.",
        "label": "Shea Center I I [Member]",
        "terseLabel": "Shea Center II"
       }
      }
     },
     "localname": "SheaCenterIIMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_SignificantAccountPoliciesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Significant accounting policies.",
        "label": "Significant Account Policies [Line Items]",
        "terseLabel": "Significant Account Policies [Line Items]"
       }
      }
     },
     "localname": "SignificantAccountPoliciesLineItems",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_SignificantAccountingPoliciesTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Significant accounting policies.",
        "label": "Significant Accounting Policies [Table]",
        "terseLabel": "Significant Accounting Policies [Table]"
       }
      }
     },
     "localname": "SignificantAccountingPoliciesTable",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sqft_ThirtyThreeModelHomesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Thirty Three Model Homes",
        "label": "Thirty Three Model Homes [Member]",
        "terseLabel": "Thirty Three Model Homes"
       }
      }
     },
     "localname": "ThirtyThreeModelHomesMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_ThreeHundredNPMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Three hundred n p.",
        "label": "Three Hundred N P [Member]",
        "terseLabel": "300 N.P."
       }
      }
     },
     "localname": "ThreeHundredNPMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_UnamortizedDeferredStockCosts": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unamortized deferred stock costs.",
        "label": "Unamortized Deferred Stock Costs",
        "terseLabel": "Total unamortized deferred stock costs",
        "verboseLabel": "Unamortized deferred financing costs"
       }
      }
     },
     "localname": "UnamortizedDeferredStockCosts",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sqft_UnionTerraceMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Union terrace.",
        "label": "Union Terrace [Member]",
        "terseLabel": "Union Terrace"
       }
      }
     },
     "localname": "UnionTerraceMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_UnionTownCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Union town center.",
        "label": "Union Town Center [Member]",
        "terseLabel": "Union Town Center"
       }
      }
     },
     "localname": "UnionTownCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_WatermanPlazaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Waterman plaza.",
        "label": "Waterman Plaza [Member]",
        "terseLabel": "Waterman Plaza"
       }
      }
     },
     "localname": "WatermanPlazaMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_WestFargoIndustrialMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "West Fargo industrial.",
        "label": "West Fargo Industrial [Member]",
        "terseLabel": "West Fargo Industrial"
       }
      }
     },
     "localname": "WestFargoIndustrialMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_WorldPlazaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "World plaza.",
        "label": "World Plaza [Member]",
        "terseLabel": "World Plaza"
       }
      }
     },
     "localname": "WorldPlazaMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sqft_YuccaValleyRetailCenterMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Yucca valley retail center.",
        "label": "Yucca Valley Retail Center [Member]",
        "terseLabel": "Yucca Valley Retail Center"
       }
      }
     },
     "localname": "YuccaValleyRetailCenterMember",
     "nsuri": "http://www.presidiopt.com/20191231",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ConsolidationItemsAxis": {
     "auth_ref": [
      "r101",
      "r113"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by components, eliminations, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Axis]",
        "terseLabel": "Consolidation Items"
       }
      }
     },
     "localname": "ConsolidationItemsAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ConsolidationItemsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments.",
        "label": "Consolidation Items [Domain]",
        "terseLabel": "Consolidation Items"
       }
      }
     },
     "localname": "ConsolidationItemsDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock": {
     "auth_ref": [
      "r342"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation.",
        "label": "Contractual Obligation, Fiscal Year Maturity [Table Text Block]",
        "terseLabel": "Scheduled Principal Payments of Mortgage Notes Payable"
       }
      }
     },
     "localname": "ContractualObligationFiscalYearMaturityScheduleTableTextBlock",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLETables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "srt_IndustrialPropertyMember": {
     "auth_ref": [
      "r319",
      "r329",
      "r344",
      "r345"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Building designed to house industrial operations and provide the necessary conditions for the operation of industrial equipment.",
        "label": "Industrial Property [Member]",
        "terseLabel": "Industrial Property"
       }
      }
     },
     "localname": "IndustrialPropertyMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Upper limit of the provided range.",
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lower limit of the provided range.",
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MortgageLoansOnRealEstateAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract]",
        "terseLabel": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract]"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateAbstract",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis": {
     "auth_ref": [
      "r319",
      "r329",
      "r344",
      "r345"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of real estate property.",
        "label": "Real Estate, Type of Property [Axis]",
        "terseLabel": "Real Estate, Type of Property",
        "verboseLabel": "Real Estate, Type of Property [Axis]"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_MortgageLoansOnRealEstateNamePropertyTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Land and any structures permanently fixed to it.",
        "label": "Real Estate [Domain]",
        "terseLabel": "Real Estate",
        "verboseLabel": "Real Estate [Domain]"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateNamePropertyTypeDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Range"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Range"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances": {
     "auth_ref": [
      "r323",
      "r346"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances",
        "terseLabel": "Encumbrances"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationAmountOfEncumbrances",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "srt_RealEstateAndAccumulatedDepreciationByPropertyTable": {
     "auth_ref": [
      "r331",
      "r347"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about real estate investments and accompanying accumulated depreciation for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table]",
        "terseLabel": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table]"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationByPropertyTable",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis": {
     "auth_ref": [
      "r331",
      "r347",
      "r348"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of property.",
        "label": "Name of Property [Axis]",
        "terseLabel": "Name of Property",
        "verboseLabel": "Name of Property [Axis]"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSTables",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RealEstateAndAccumulatedDepreciationDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]",
        "terseLabel": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationDisclosureAbstract",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "srt_RealEstateAndAccumulatedDepreciationDisclosureTextBlock": {
     "auth_ref": [
      "r331",
      "r347"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure of real estate investments and associated accumulated depreciation for entities with a significant portion of their business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block]",
        "terseLabel": "SCHEDULE III - Real Estate and Accumulated Depreciation and Amortization"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationDisclosureTextBlock",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortization"
     ],
     "xbrltype": "textBlockItemType"
    },
    "srt_RealEstateAndAccumulatedDepreciationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]",
        "terseLabel": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationLineItems",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the property, for example, but not limited to, ABC Shopping Center.",
        "label": "Name of Property [Domain]",
        "terseLabel": "Name of Property"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationNameOfPropertyDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSTables",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RetailSiteMember": {
     "auth_ref": [
      "r319",
      "r329",
      "r344",
      "r345"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Locations where products are offered for sale to consumers.",
        "label": "Retail Site [Member]",
        "verboseLabel": "Retail/Mixed Use Properties"
       }
      }
     },
     "localname": "RetailSiteMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails",
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_SegmentGeographicalDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Geographical area.",
        "label": "Geographical [Domain]",
        "terseLabel": "Geographical [Domain]"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_SingleFamilyMember": {
     "auth_ref": [
      "r319",
      "r329",
      "r344",
      "r345"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Individual, freestanding, unattached residential building.",
        "label": "Single Family [Member]",
        "terseLabel": "Single Family"
       }
      }
     },
     "localname": "SingleFamilyMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_StatementGeographicalAxis": {
     "auth_ref": [
      "r115",
      "r181",
      "r182",
      "r315",
      "r319",
      "r329",
      "r344",
      "r345"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by geographical components.",
        "label": "Geographical [Axis]",
        "terseLabel": "Geographical [Axis]"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_WeightedAverageMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Average of a range of values, calculated with consideration of proportional relevance.",
        "label": "Weighted Average [Member]",
        "terseLabel": "Weighted average"
       }
      }
     },
     "localname": "WeightedAverageMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_ND": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "NORTH DAKOTA",
        "terseLabel": "North Dakota"
       }
      }
     },
     "localname": "ND",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AboveMarketLeasesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Leases acquired as part of a real property acquisition at above market lease rate.",
        "label": "Above Market Leases [Member]",
        "terseLabel": "Above-market leases"
       }
      }
     },
     "localname": "AboveMarketLeasesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounting Policies [Abstract]",
        "terseLabel": "Accounting Policies [Abstract]"
       }
      }
     },
     "localname": "AccountingPoliciesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountingStandardsUpdate201602Member": {
     "auth_ref": [
      "r243"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accounting Standards Update 2016-02 Leases (Topic 842).",
        "label": "Accounting Standards Update 2016-02 [Member]",
        "terseLabel": "Accounting Standards Update 2016-02"
       }
      }
     },
     "localname": "AccountingStandardsUpdate201602Member",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent": {
     "auth_ref": [
      "r285",
      "r307"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.",
        "label": "Accounts Payable and Accrued Liabilities",
        "terseLabel": "Accounts payable and accrued liabilities"
       }
      }
     },
     "localname": "AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock": {
     "auth_ref": [
      "r23"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.",
        "label": "Accounts Payable and Accrued Liabilities Disclosure [Text Block]",
        "terseLabel": "NOTE PAYABLE"
       }
      }
     },
     "localname": "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLE"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_AccountsReceivableNet": {
     "auth_ref": [
      "r14",
      "r295"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_OtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.",
        "label": "Accounts Receivable, after Allowance for Credit Loss",
        "terseLabel": "Accounts receivable, net"
       }
      }
     },
     "localname": "AccountsReceivableNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounts Receivable, after Allowance for Credit Loss [Abstract]",
        "terseLabel": "Accounts Receivables [Abstract]"
       }
      }
     },
     "localname": "AccountsReceivableNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments": {
     "auth_ref": [
      "r60"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.",
        "label": "Accretion (Amortization) of Discounts and Premiums, Investments",
        "negatedLabel": "Accretion of original issue discount"
       }
      }
     },
     "localname": "AccretionAmortizationOfDiscountsAndPremiumsInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccretionExpense": {
     "auth_ref": [
      "r151",
      "r152"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.",
        "label": "Accretion Expense",
        "terseLabel": "Accretion expense"
       }
      }
     },
     "localname": "AccretionExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember": {
     "auth_ref": [
      "r317"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cumulative distributions to shareholders (or partners) in excess of retained earnings (or accumulated earnings).",
        "label": "Accumulated Distributions in Excess of Net Income [Member]",
        "terseLabel": "Dividends In Excess of Accumulated Losses"
       }
      }
     },
     "localname": "AccumulatedDistributionsInExcessOfNetIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AcquisitionCosts": {
     "auth_ref": [
      "r263",
      "r264"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 8.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 8.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.",
        "label": "Acquisition Costs, Period Cost",
        "negatedLabel": "Acquisition costs"
       }
      }
     },
     "localname": "AcquisitionCosts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalCommonStock": {
     "auth_ref": [
      "r15"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.",
        "label": "Additional Paid in Capital, Common Stock",
        "terseLabel": "Additional paid-in capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.",
        "label": "Additional Paid-in Capital [Member]",
        "terseLabel": "Additional Paid-in Capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": {
     "auth_ref": [
      "r76"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by new accounting pronouncement.",
        "label": "Adjustments for New Accounting Pronouncements [Axis]",
        "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]"
       }
      }
     },
     "localname": "AdjustmentsForNewAccountingPronouncementsAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustments to reconcile net income to net cash provided by operating activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "auth_ref": [
      "r187",
      "r196",
      "r198"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.",
        "label": "Share-based Payment Arrangement, Expense",
        "terseLabel": "Compensation expense"
       }
      }
     },
     "localname": "AllocatedShareBasedCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AllowanceForDoubtfulAccountsReceivable": {
     "auth_ref": [
      "r119",
      "r125",
      "r126",
      "r127"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of allowance for credit loss on accounts receivable.",
        "label": "Accounts Receivable, Allowance for Credit Loss",
        "terseLabel": "Allowance for uncollectible accounts"
       }
      }
     },
     "localname": "AllowanceForDoubtfulAccountsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfAboveAndBelowMarketLeases": {
     "auth_ref": [
      "r59"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of non-cash amortization of intangible asset (liability) for above and below market leases.",
        "label": "Amortization of above and below Market Leases",
        "terseLabel": "Amortization of above and below market rents"
       }
      }
     },
     "localname": "AmortizationOfAboveAndBelowMarketLeases",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfBelowMarketLease": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.",
        "label": "Amortization of Below Market Lease",
        "negatedLabel": "Amortization of\u00a0\u00a0below-market leases"
       }
      }
     },
     "localname": "AmortizationOfBelowMarketLease",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfDeferredChargesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Amortization of Deferred Charges [Abstract]",
        "terseLabel": "Deferred Leasing Costs [Abstract]"
       }
      }
     },
     "localname": "AmortizationOfDeferredChargesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AmortizationOfDeferredLeasingFees": {
     "auth_ref": [
      "r45",
      "r59",
      "r240"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the amortization of deferred leasing fees incurred by the lessor and amortized over the term of the lease. Such fees represent (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction.",
        "label": "Amortization of Deferred Leasing Fees",
        "terseLabel": "Amortization of deferred leasing costs"
       }
      }
     },
     "localname": "AmortizationOfDeferredLeasingFees",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfFinancingCosts": {
     "auth_ref": [
      "r41",
      "r59",
      "r236"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense attributable to debt issuance costs.",
        "label": "Amortization of Debt Issuance Costs",
        "terseLabel": "Amortization of financing costs"
       }
      }
     },
     "localname": "AmortizationOfFinancingCosts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfIntangibleAssets": {
     "auth_ref": [
      "r59",
      "r133",
      "r138"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.",
        "label": "Amortization of Intangible Assets",
        "terseLabel": "Amortization expense related to in-place leases, unamortized lease origination costs and tenant relationships"
       }
      }
     },
     "localname": "AmortizationOfIntangibleAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": {
     "auth_ref": [
      "r84"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.",
        "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount",
        "terseLabel": "Anti-dilutive shares excluded from computation of diluted earnings per share (in shares)"
       }
      }
     },
     "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_AreaOfRealEstateProperty": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Area of a real estate property.",
        "label": "Area of Real Estate Property",
        "terseLabel": "Rentable square feet"
       }
      }
     },
     "localname": "AreaOfRealEstateProperty",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "areaItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r105",
      "r279",
      "r297"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "totalLabel": "TOTAL ASSETS"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "ASSETS"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsLeasedToOthersMember": {
     "auth_ref": [
      "r252"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Long lived, depreciable property, plant or equipment held for lease to others under contractual agreements meeting the criteria for operating lease classification.",
        "label": "Assets Leased to Others [Member]",
        "terseLabel": "Assets Leased to Others"
       }
      }
     },
     "localname": "AssetsLeasedToOthersMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r188",
      "r197"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of award under share-based payment arrangement.",
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type"
       }
      }
     },
     "localname": "AwardTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by location on balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Axis]",
        "terseLabel": "Balance Sheet Location"
       }
      }
     },
     "localname": "BalanceSheetLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BalanceSheetLocationDomain": {
     "auth_ref": [
      "r225",
      "r226"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Location in the balance sheet (statement of financial position).",
        "label": "Balance Sheet Location [Domain]",
        "terseLabel": "Balance Sheet Location"
       }
      }
     },
     "localname": "BalanceSheetLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).",
        "label": "Basis of Accounting, Policy [Policy Text Block]",
        "terseLabel": "Basis of Presentation"
       }
      }
     },
     "localname": "BasisOfAccountingPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_BelowMarketLeaseNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after amortization of leases acquired as part of a real property acquisition at below market lease rate with a finite life.",
        "label": "Below Market Lease, Net",
        "terseLabel": "Below-market leases, net"
       }
      }
     },
     "localname": "BelowMarketLeaseNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_BuildingAndBuildingImprovementsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities and any addition, improvement, or renovation to the structure, for example, but not limited to, interior masonry, interior flooring, electrical, and plumbing.",
        "label": "Building and Building Improvements [Member]",
        "terseLabel": "Building and Building Improvements"
       }
      }
     },
     "localname": "BuildingAndBuildingImprovementsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings": {
     "auth_ref": [
      "r211"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date.",
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings",
        "terseLabel": "Buildings and Other"
       }
      }
     },
     "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand": {
     "auth_ref": [
      "r211"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of real estate acquired, at the acquisition date.",
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land",
        "terseLabel": "Land"
       }
      }
     },
     "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet": {
     "auth_ref": [
      "r210",
      "r211"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.",
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net",
        "totalLabel": "Total Purchase\u00a0Price"
       }
      }
     },
     "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]",
        "terseLabel": "Allocated Purchase Price of Properties Acquired [Abstract]"
       }
      }
     },
     "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy": {
     "auth_ref": [
      "r4",
      "r62",
      "r64",
      "r277"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Entity's cash and cash equivalents accounting policy with respect to restricted balances.  Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits.",
        "label": "Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]",
        "terseLabel": "Cash, Cash Equivalents and Restricted Cash"
       }
      }
     },
     "localname": "CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r56",
      "r61",
      "r63"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "periodEndLabel": "Cash, cash equivalents and restricted cash - end of year",
        "periodStartLabel": "Cash, cash equivalents and restricted cash - beginning of year",
        "terseLabel": "Cash and cash equivalents",
        "verboseLabel": "Cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]",
        "terseLabel": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "auth_ref": [
      "r56",
      "r231"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect",
        "totalLabel": "Net increase in cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashFDICInsuredAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.",
        "label": "Cash, FDIC Insured Amount",
        "terseLabel": "Cash balances may exceed federally insured limit"
       }
      }
     },
     "localname": "CashFDICInsuredAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashUninsuredAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.",
        "label": "Cash, Uninsured Amount",
        "terseLabel": "Deposits in financial institutions that exceeded the federally insurable limits"
       }
      }
     },
     "localname": "CashUninsuredAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ClassOfStockDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.",
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock"
       }
      }
     },
     "localname": "ClassOfStockDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Class of Stock [Line Items]",
        "terseLabel": "Class of Stock [Line Items]"
       }
      }
     },
     "localname": "ClassOfStockLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r28",
      "r156",
      "r286",
      "r304"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.",
        "label": "Commitments and Contingencies",
        "terseLabel": "Commitments and contingencies"
       }
      }
     },
     "localname": "CommitmentsAndContingencies",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]",
        "terseLabel": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r155",
      "r157"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for commitments and contingencies.",
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "COMMITMENTS AND CONTINGENCIES"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/COMMITMENTSANDCONTINGENCIES"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommonClassAMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Classification of common stock representing ownership interest in a corporation.",
        "label": "Common Class A [Member]",
        "terseLabel": "Common Class A"
       }
      }
     },
     "localname": "CommonClassAMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonClassBMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Classification of common stock that has different rights than Common Class A, representing ownership interest in a corporation.",
        "label": "Common Class B [Member]",
        "terseLabel": "Common Class B"
       }
      }
     },
     "localname": "CommonClassBMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonClassCMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Classification of common stock that has different rights than provided to Class A or B shares, representing ownership interest in a corporation.",
        "label": "Common Class C [Member]",
        "terseLabel": "Common Class C"
       }
      }
     },
     "localname": "CommonClassCMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockDividendsPerShareCashPaid": {
     "auth_ref": [
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate dividends paid during the period for each share of common stock outstanding.",
        "label": "Common Stock, Dividends, Per Share, Cash Paid",
        "verboseLabel": "Annualized dividend rate (in dollars per share)"
       }
      }
     },
     "localname": "CommonStockDividendsPerShareCashPaid",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock that is subordinate to all other stock of the issuer.",
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock"
       }
      }
     },
     "localname": "CommonStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]",
        "terseLabel": "Common Stock [Abstract]"
       }
      }
     },
     "localname": "CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face amount or stated value per share of common stock.",
        "label": "Common Stock, Par or Stated Value Per Share",
        "terseLabel": "Common stock, par or stated value (in dollars per share)",
        "verboseLabel": "Par value (in dollars per share)"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r13"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.",
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock shares issued (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r13",
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.",
        "label": "Common Stock, Shares, Outstanding",
        "periodEndLabel": "Ending balance (in shares)",
        "periodStartLabel": "Beginning balance (in shares)",
        "terseLabel": "Common stock shares outstanding (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValueOutstanding": {
     "auth_ref": [
      "r13"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares.",
        "label": "Common Stock, Value, Outstanding",
        "terseLabel": "Common stock Series A"
       }
      }
     },
     "localname": "CommonStockValueOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConcentrationRiskBenchmarkDomain": {
     "auth_ref": [
      "r94",
      "r95",
      "r229",
      "r230"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The denominator in a calculation of a disclosed concentration risk percentage.",
        "label": "Concentration Risk Benchmark [Domain]",
        "terseLabel": "Concentration Risk Benchmark"
       }
      }
     },
     "localname": "ConcentrationRiskBenchmarkDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConcentrationRiskByBenchmarkAxis": {
     "auth_ref": [
      "r94",
      "r95",
      "r229",
      "r230",
      "r316"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by benchmark of concentration risk.",
        "label": "Concentration Risk Benchmark [Axis]",
        "terseLabel": "Concentration Risk Benchmark"
       }
      }
     },
     "localname": "ConcentrationRiskByBenchmarkAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskByTypeAxis": {
     "auth_ref": [
      "r94",
      "r95",
      "r229",
      "r230",
      "r316"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender.",
        "label": "Concentration Risk Type [Axis]",
        "terseLabel": "Concentration Risk Type"
       }
      }
     },
     "localname": "ConcentrationRiskByTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ConcentrationRiskPercentage1": {
     "auth_ref": [
      "r94",
      "r95",
      "r229",
      "r230"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.",
        "label": "Concentration Risk, Percentage",
        "terseLabel": "Concentration risk, percentage"
       }
      }
     },
     "localname": "ConcentrationRiskPercentage1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ConcentrationRiskTypeDomain": {
     "auth_ref": [
      "r94",
      "r95",
      "r229",
      "r230"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration.",
        "label": "Concentration Risk Type [Domain]",
        "terseLabel": "Concentration Risk Type"
       }
      }
     },
     "localname": "ConcentrationRiskTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ConsolidationPolicyTextBlock": {
     "auth_ref": [
      "r64",
      "r215",
      "r222",
      "r223"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting.  The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.",
        "label": "Consolidation, Policy [Policy Text Block]",
        "terseLabel": "Principles of Consolidation"
       }
      }
     },
     "localname": "ConsolidationPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CustomerConcentrationRiskMember": {
     "auth_ref": [
      "r93"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Reflects the percentage that revenues in the period from one or more significant customers is to net revenues, as defined by the entity, such as total net revenues, product line revenues, segment revenues. The risk is the materially adverse effects of loss of a significant customer.",
        "label": "Customer Concentration Risk [Member]",
        "terseLabel": "Customer Concentration Risk"
       }
      }
     },
     "localname": "CustomerConcentrationRiskMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r7",
      "r8",
      "r9",
      "r280",
      "r282",
      "r294"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.",
        "label": "Debt Instrument [Axis]",
        "terseLabel": "Debt Instrument"
       }
      }
     },
     "localname": "DebtInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.",
        "label": "Debt Instrument, Basis Spread on Variable Rate",
        "verboseLabel": "Variable interest rate on mortgage (in hundredth)"
       }
      }
     },
     "localname": "DebtInstrumentBasisSpreadOnVariableRate1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentCarryingAmount": {
     "auth_ref": [
      "r9",
      "r160",
      "r282",
      "r294"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.",
        "label": "Long-term Debt, Gross",
        "terseLabel": "Cash received",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "DebtInstrumentCarryingAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentDescriptionOfVariableRateBasis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.",
        "label": "Debt Instrument, Description of Variable Rate Basis",
        "terseLabel": "Description of variable rate basis"
       }
      }
     },
     "localname": "DebtInstrumentDescriptionOfVariableRateBasis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentInterestRateStatedPercentage": {
     "auth_ref": [
      "r25"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.",
        "label": "Debt Instrument, Interest Rate, Stated Percentage",
        "terseLabel": "Fixed interest rate on mortgage (in hundredths)",
        "verboseLabel": "Fixed Interest Rate"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateStatedPercentage",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DebtInstrumentInterestRateTerms": {
     "auth_ref": [
      "r25"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.",
        "label": "Debt Instrument, Interest Rate Terms",
        "terseLabel": "Interest rate terms"
       }
      }
     },
     "localname": "DebtInstrumentInterestRateTerms",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]"
       }
      }
     },
     "localname": "DebtInstrumentLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentMaturityDate": {
     "auth_ref": [
      "r26",
      "r228"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.",
        "label": "Debt Instrument, Maturity Date",
        "terseLabel": "Maturity"
       }
      }
     },
     "localname": "DebtInstrumentMaturityDate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "dateItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r27"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.",
        "label": "Debt Instrument, Name [Domain]",
        "terseLabel": "Debt Instrument, Name"
       }
      }
     },
     "localname": "DebtInstrumentNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r27",
      "r71",
      "r173",
      "r176",
      "r177",
      "r178",
      "r234",
      "r235",
      "r237",
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Schedule of Long-term Debt Instruments [Table]",
        "terseLabel": "Schedule of Long-term Debt Instruments [Table]"
       }
      }
     },
     "localname": "DebtInstrumentTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentUnamortizedDiscount": {
     "auth_ref": [
      "r234",
      "r237"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt discount.",
        "label": "Debt Instrument, Unamortized Discount",
        "terseLabel": "Unrecognized amount"
       }
      }
     },
     "localname": "DebtInstrumentUnamortizedDiscount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet": {
     "auth_ref": [
      "r161",
      "r236"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of unamortized debt discount (premium) and debt issuance costs.",
        "label": "Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net",
        "terseLabel": "Original issue discount"
       }
      }
     },
     "localname": "DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtWeightedAverageInterestRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average interest rate of debt outstanding.",
        "label": "Debt, Weighted Average Interest Rate",
        "terseLabel": "Weighted average interest rate"
       }
      }
     },
     "localname": "DebtWeightedAverageInterestRate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DeferredChargesPolicyTextBlock": {
     "auth_ref": [
      "r22",
      "r64"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for deferral and amortization of significant deferred charges.",
        "label": "Deferred Charges, Policy [Policy Text Block]",
        "terseLabel": "Deferred Leasing and Financing Costs"
       }
      }
     },
     "localname": "DeferredChargesPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DeferredCostsCurrentAndNoncurrent": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying amount of deferred costs.",
        "label": "Deferred Costs",
        "terseLabel": "Net deferred leasing costs"
       }
      }
     },
     "localname": "DeferredCostsCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCostsLeasingNet": {
     "auth_ref": [
      "r239",
      "r240",
      "r242"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This element is net of accumulated amortization.",
        "label": "Deferred Costs, Leasing, Net",
        "terseLabel": "Deferred leasing costs, net"
       }
      }
     },
     "localname": "DeferredCostsLeasingNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsGross": {
     "auth_ref": [
      "r236"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Gross",
        "terseLabel": "Legal and underwriting costs"
       }
      }
     },
     "localname": "DeferredFinanceCostsGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNet": {
     "auth_ref": [
      "r22",
      "r236"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Net",
        "terseLabel": "Deferred financing costs"
       }
      }
     },
     "localname": "DeferredFinanceCostsNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Issuance Costs, Net [Abstract]",
        "terseLabel": "Deferred Financing Costs [Abstract]"
       }
      }
     },
     "localname": "DeferredFinanceCostsNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DeferredRentReceivablesNet": {
     "auth_ref": [
      "r33",
      "r238",
      "r241",
      "r242"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.",
        "label": "Deferred Rent Receivables, Net",
        "terseLabel": "Deferred rent receivable"
       }
      }
     },
     "localname": "DeferredRentReceivablesNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationAndAmortization": {
     "auth_ref": [
      "r59",
      "r144"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.",
        "label": "Depreciation, Depletion and Amortization, Nonproduction",
        "terseLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationAndAmortizationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Depreciation, Depletion and Amortization [Abstract]",
        "terseLabel": "Depreciation and Amortization of Buildings and Improvements [Abstract]"
       }
      }
     },
     "localname": "DepreciationAndAmortizationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DepreciationDepletionAndAmortization": {
     "auth_ref": [
      "r59",
      "r103"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.",
        "label": "Depreciation, Depletion and Amortization",
        "negatedLabel": "Depreciation and amortization"
       }
      }
     },
     "localname": "DepreciationDepletionAndAmortization",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationDepletionAndAmortizationPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for depreciation, depletion, and amortization of property and equipment costs, including methods used and estimated useful lives and how impairment of such assets is assessed and recognized.",
        "label": "Depreciation, Depletion, and Amortization [Policy Text Block]",
        "terseLabel": "Depreciation and Amortization"
       }
      }
     },
     "localname": "DepreciationDepletionAndAmortizationPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": {
     "auth_ref": [
      "r199"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for share-based payment arrangement.",
        "label": "Share-based Payment Arrangement [Text Block]",
        "terseLabel": "SHARE-BASED INCENTIVE PLAN"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLAN"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Share-based Payment Arrangement [Abstract]",
        "terseLabel": "Disclosure of Compensation Related Costs, Share-based Payments [Abstract]"
       }
      }
     },
     "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_Dividends": {
     "auth_ref": [
      "r179",
      "r292"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.",
        "label": "Dividends",
        "negatedLabel": "Dividends declared"
       }
      }
     },
     "localname": "Dividends",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DividendsCashAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Dividends, Cash [Abstract]",
        "terseLabel": "Cash Dividends [Abstract]"
       }
      }
     },
     "localname": "DividendsCashAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DividendsCommonStockCash": {
     "auth_ref": [
      "r179"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.",
        "label": "Dividends, Common Stock, Cash",
        "verboseLabel": "Cash dividends paid"
       }
      }
     },
     "localname": "DividendsCommonStockCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DividendsPayableCurrentAndNoncurrent": {
     "auth_ref": [
      "r8",
      "r10",
      "r281",
      "r298"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.",
        "label": "Dividends Payable",
        "terseLabel": "Dividends payable"
       }
      }
     },
     "localname": "DividendsPayableCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DomesticCountryMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile.",
        "label": "Domestic Tax Authority [Member]",
        "terseLabel": "Federal"
       }
      }
     },
     "localname": "DomesticCountryMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share [Abstract]",
        "terseLabel": "Loss Per Common Share [Abstract]"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r40",
      "r77",
      "r80",
      "r81",
      "r82",
      "r83",
      "r87",
      "r289",
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.",
        "label": "Earnings Per Share, Basic",
        "terseLabel": "(Loss) income per common share (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareBasicAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Basic [Abstract]",
        "terseLabel": "Basic (loss) income per common share"
       }
      }
     },
     "localname": "EarningsPerShareBasicAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasicAndDiluted": {
     "auth_ref": [
      "r82"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements.  Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period.  Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
        "label": "Earnings Per Share, Basic and Diluted",
        "verboseLabel": "Basic and diluted net income (loss) per share (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasicAndDiluted",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r40",
      "r77",
      "r80",
      "r81",
      "r82",
      "r83",
      "r87",
      "r289",
      "r309"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.",
        "label": "Earnings Per Share, Diluted",
        "terseLabel": "(Loss) income per common share (in dollars per share)"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share, Diluted [Abstract]",
        "terseLabel": "Diluted (loss) income per common share"
       }
      }
     },
     "localname": "EarningsPerShareDilutedAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerSharePolicyTextBlock": {
     "auth_ref": [
      "r64",
      "r84",
      "r85",
      "r86"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.",
        "label": "Earnings Per Share, Policy [Policy Text Block]",
        "terseLabel": "Income (Loss) per Common Share"
       }
      }
     },
     "localname": "EarningsPerSharePolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.",
        "label": "Equity Component [Domain]",
        "terseLabel": "Equity Component"
       }
      }
     },
     "localname": "EquityComponentDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityMethodInvestmentOwnershipPercentage": {
     "auth_ref": [
      "r124"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.",
        "label": "Equity Method Investment, Ownership Percentage",
        "terseLabel": "Ownership percentage"
       }
      }
     },
     "localname": "EquityMethodInvestmentOwnershipPercentage",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_FairValueMeasurementPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.",
        "label": "Fair Value Measurement, Policy [Policy Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "localname": "FairValueMeasurementPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FinanceLeaseRightOfUseAssetAmortization": {
     "auth_ref": [
      "r246",
      "r248",
      "r249"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense attributable to right-of-use asset from finance lease.",
        "label": "Finance Lease, Right-of-Use Asset, Amortization",
        "terseLabel": "Amortization of deferred leasing costs, after ASC 842"
       }
      }
     },
     "localname": "FinanceLeaseRightOfUseAssetAmortization",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": {
     "auth_ref": [
      "r137"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Accumulated Amortization",
        "negatedLabel": "Accumulated Amortization",
        "terseLabel": "Accumulated amortization related to lease intangible assets"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months",
        "terseLabel": "2020"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRollingAfterYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Finite-Lived Intangible Assets, Amortization Expense, Rolling after Year Five",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseRollingAfterYearFive",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Five",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFive",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Four",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Three",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearTwo": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": {
     "auth_ref": [
      "r134",
      "r135",
      "r137",
      "r139",
      "r262"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by major type or class of finite-lived intangible assets.",
        "label": "Finite-Lived Intangible Assets by Major Class [Axis]",
        "terseLabel": "Finite-Lived Intangible Assets by Major Class"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsGross": {
     "auth_ref": [
      "r137",
      "r262"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Gross",
        "terseLabel": "Lease Intangibles"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Finite-Lived Intangible Assets [Line Items]",
        "terseLabel": "Finite-Lived Intangible Assets [Line Items]"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": {
     "auth_ref": [
      "r134",
      "r136"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.",
        "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]",
        "terseLabel": "Finite-Lived Intangible Assets, Major Class Name"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsNet": {
     "auth_ref": [
      "r137"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Finite-Lived Intangible Assets, Net",
        "totalLabel": "Lease Intangibles, net",
        "verboseLabel": "Gross lease intangible assets"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/LeaseIntangiblesAmortizationExpensefortheCompanyLeaseIntangibleAssetsDetails",
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Finite-Lived Intangible Assets, Remaining Amortization Period",
        "terseLabel": "Finite-lived intangible assets, remaining amortization period"
       }
      }
     },
     "localname": "FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_FurnitureAndFixturesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.",
        "label": "Furniture and Fixtures [Member]",
        "terseLabel": "Furniture and Fixtures"
       }
      }
     },
     "localname": "FurnitureAndFixturesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnSaleOfBusiness": {
     "auth_ref": [
      "r59",
      "r218"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 5.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.",
        "label": "Gain (Loss) on Disposition of Business",
        "terseLabel": "Gain on sales of real estate"
       }
      }
     },
     "localname": "GainLossOnSaleOfBusiness",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSaleOfProperties": {
     "auth_ref": [
      "r59",
      "r143",
      "r148"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.",
        "label": "Gain (Loss) on Sale of Properties",
        "terseLabel": "Gain (loss) on sale of property"
       }
      }
     },
     "localname": "GainLossOnSaleOfProperties",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainsLossesOnSalesOfInvestmentRealEstate": {
     "auth_ref": [
      "r42",
      "r43",
      "r59",
      "r287",
      "r310",
      "r311",
      "r312",
      "r313"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.",
        "label": "Gains (Losses) on Sales of Investment Real Estate",
        "negatedLabel": "Gain on sale of real estate assets",
        "terseLabel": "Gain on sale of real estate assets",
        "verboseLabel": "Gain on sale of real estate"
       }
      }
     },
     "localname": "GainsLossesOnSalesOfInvestmentRealEstate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r46"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 10.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.",
        "label": "General and Administrative Expense",
        "negatedLabel": "General and administrative expenses",
        "terseLabel": "General and administrative"
       }
      }
     },
     "localname": "GeneralAndAdministrativeExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Goodwill": {
     "auth_ref": [
      "r130",
      "r131"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.",
        "label": "Goodwill",
        "terseLabel": "Goodwill"
       }
      }
     },
     "localname": "Goodwill",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Goodwill and Intangible Assets Disclosure [Abstract]",
        "terseLabel": "Goodwill and Intangible Assets Disclosure [Abstract]"
       }
      }
     },
     "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ImpairmentOfIntangibleAssetsFinitelived": {
     "auth_ref": [
      "r59",
      "r140"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.",
        "label": "Impairment of Intangible Assets, Finite-lived",
        "terseLabel": "Impairment of definite lived assets"
       }
      }
     },
     "localname": "ImpairmentOfIntangibleAssetsFinitelived",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill": {
     "auth_ref": [
      "r59",
      "r140"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.",
        "label": "Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)",
        "terseLabel": "Impairment of indefinite lived assets"
       }
      }
     },
     "localname": "ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ImpairmentOfRealEstate": {
     "auth_ref": [
      "r59",
      "r147"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 7.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 7.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The charge against earnings in the period to reduce the carrying amount of real property to fair value.",
        "label": "Impairment of Real Estate",
        "negatedLabel": "Impairment of real estate assets",
        "terseLabel": "Impairment of real estate assets",
        "verboseLabel": "Asset impairment charge"
       }
      }
     },
     "localname": "ImpairmentOfRealEstate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock": {
     "auth_ref": [
      "r64",
      "r142",
      "r150"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets.",
        "label": "Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]",
        "terseLabel": "Impairment of Real Estate Assets"
       }
      }
     },
     "localname": "ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity": {
     "auth_ref": [
      "r212",
      "r214"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of income (loss) from continuing operations attributable to the noncontrolling interest.",
        "label": "Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest",
        "negatedLabel": "Less: Income attributable to noncontrolling interests"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement [Abstract]",
        "terseLabel": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxAuthorityAxis": {
     "auth_ref": [
      "r203"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by tax jurisdiction.",
        "label": "Income Tax Authority [Axis]",
        "terseLabel": "Income Tax Authority"
       }
      }
     },
     "localname": "IncomeTaxAuthorityAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxAuthorityDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.",
        "label": "Income Tax Authority [Domain]",
        "terseLabel": "Income Tax Authority"
       }
      }
     },
     "localname": "IncomeTaxAuthorityDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncomeTaxExaminationDescription": {
     "auth_ref": [
      "r202"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.",
        "label": "Income Tax Examination, Description",
        "terseLabel": "Income tax description"
       }
      }
     },
     "localname": "IncomeTaxExaminationDescription",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r67",
      "r104",
      "r208"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 9.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 9.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Income Tax Expense (Benefit)",
        "negatedLabel": "Income tax expense"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxPolicyTextBlock": {
     "auth_ref": [
      "r36",
      "r64",
      "r200",
      "r201",
      "r204",
      "r205",
      "r206",
      "r209",
      "r321"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.",
        "label": "Income Tax, Policy [Policy Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "localname": "IncomeTaxPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxUncertaintiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Tax Uncertainties [Abstract]",
        "terseLabel": "Income Tax Uncertainties [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxUncertaintiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": {
     "auth_ref": [
      "r58"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 13.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.",
        "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities",
        "terseLabel": "Accounts payable and accrued liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Increase (Decrease) in Operating Capital [Abstract]",
        "terseLabel": "Changes in operating assets and liabilities:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherOperatingAssets": {
     "auth_ref": [
      "r58"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in operating assets classified as other.",
        "label": "Increase (Decrease) in Other Operating Assets",
        "negatedLabel": "Other assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherOperatingAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]"
       }
      }
     },
     "localname": "IncreaseDecreaseInStockholdersEquityRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IntangibleAssetsDisclosureTextBlock": {
     "auth_ref": [
      "r141"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for all or part of the information related to intangible assets.",
        "label": "Intangible Assets Disclosure [Text Block]",
        "terseLabel": "LEASE INTANGIBLES"
       }
      }
     },
     "localname": "IntangibleAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LEASEINTANGIBLES"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IntangibleAssetsFiniteLivedPolicy": {
     "auth_ref": [
      "r64",
      "r136"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for finite-lived intangible assets. This accounting policy also might address: (1) the amortization method used; (2) the useful lives of such assets; and (3) how the entity assesses and measures impairment of such assets.",
        "label": "Intangible Assets, Finite-Lived, Policy [Policy Text Block]",
        "terseLabel": "Intangible Assets"
       }
      }
     },
     "localname": "IntangibleAssetsFiniteLivedPolicy",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r37",
      "r102",
      "r233",
      "r236",
      "r291"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.",
        "label": "Interest Expense",
        "negatedLabel": "Interest expense",
        "terseLabel": "Interest expense"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails",
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpenseDebt": {
     "auth_ref": [
      "r48",
      "r163"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the cost of borrowed funds accounted for as interest expense for debt.",
        "label": "Interest Expense, Debt",
        "negatedLabel": "Interest expense-mortgage notes"
       }
      }
     },
     "localname": "InterestExpenseDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeOperating": {
     "auth_ref": [
      "r44"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.",
        "label": "Interest Income, Operating",
        "verboseLabel": "Interest income"
       }
      }
     },
     "localname": "InterestIncomeOperating",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentBuildingAndBuildingImprovements": {
     "auth_ref": [
      "r305"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAtCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.",
        "label": "Investment Building and Building Improvements",
        "terseLabel": "Buildings and improvements"
       }
      }
     },
     "localname": "InvestmentBuildingAndBuildingImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Land": {
     "auth_ref": [
      "r3",
      "r20"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAtCost",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_OtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.",
        "label": "Land",
        "terseLabel": "Land",
        "verboseLabel": "Raw land"
       }
      }
     },
     "localname": "Land",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LeaseAndRentalExpense": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.",
        "label": "Operating Leases, Rent Expense",
        "negatedLabel": "Property and related expenses"
       }
      }
     },
     "localname": "LeaseAndRentalExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LeasesAcquiredInPlaceMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired.",
        "label": "Leases, Acquired-in-Place [Member]",
        "terseLabel": "In-place leases"
       }
      }
     },
     "localname": "LeasesAcquiredInPlaceMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceived": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor for operating lease.",
        "label": "Lessor, Operating Lease, Payments to be Received",
        "totalLabel": "Totals"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceived",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in fifth fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Five Years",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedFiveYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in fourth year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Four Years",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedFourYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock": {
     "auth_ref": [
      "r251"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease.",
        "label": "Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]",
        "terseLabel": "Summary of Future Minimum Rental Revenues under Existing Leases"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in next fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Next Twelve Months",
        "terseLabel": "2020"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor after fifth fiscal year following latest statement of financial position date for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Thereafter",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedThereafter",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in third fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Three Years",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedThreeYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears": {
     "auth_ref": [
      "r251"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lease payments to be received by lessor in second fiscal year following latest fiscal year for operating lease. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.",
        "label": "Lessor, Operating Lease, Payments to be Received, Two Years",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "LessorOperatingLeasePaymentsToBeReceivedTwoYears",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LessorOperatingLeaseTermOfContract": {
     "auth_ref": [
      "r253"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Lessor, Operating Lease, Term of Contract",
        "terseLabel": "Term of non-cancelable lease agreements"
       }
      }
     },
     "localname": "LessorOperatingLeaseTermOfContract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r24"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.",
        "label": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities [Abstract]",
        "terseLabel": "Liabilities:"
       }
      }
     },
     "localname": "LiabilitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r19",
      "r284",
      "r303"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
        "label": "Liabilities and Equity",
        "totalLabel": "TOTAL LIABILITIES AND EQUITY"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities and Equity [Abstract]",
        "terseLabel": "LIABILITIES AND EQUITY"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LondonInterbankOfferedRateLIBORMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.",
        "label": "London Interbank Offered Rate (LIBOR) [Member]",
        "terseLabel": "LIBOR"
       }
      }
     },
     "localname": "LondonInterbankOfferedRateLIBORMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongTermDebt": {
     "auth_ref": [
      "r9",
      "r162",
      "r282",
      "r299"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-term Debt",
        "terseLabel": "Principal amount"
       }
      }
     },
     "localname": "LongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive": {
     "auth_ref": [
      "r73",
      "r158"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Long-term Debt, Maturities, Repayments of Principal after Year Five",
        "terseLabel": "Thereafter"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": {
     "auth_ref": [
      "r73",
      "r158"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months",
        "terseLabel": "2020",
        "verboseLabel": "Mortgage notes payable in 2020"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive": {
     "auth_ref": [
      "r73",
      "r158"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Long-term Debt, Maturities, Repayments of Principal in Year Five",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": {
     "auth_ref": [
      "r73",
      "r158"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Long-term Debt, Maturities, Repayments of Principal in Year Four",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": {
     "auth_ref": [
      "r73",
      "r158"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Long-term Debt, Maturities, Repayments of Principal in Year Three",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": {
     "auth_ref": [
      "r73",
      "r158"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtInstrumentCarryingAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "label": "Long-term Debt, Maturities, Repayments of Principal in Year Two",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEScheduledPrincipalPaymentsofMortgageNotesPayableDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r27"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of long-term debt.",
        "label": "Long-term Debt, Type [Axis]",
        "terseLabel": "Long-term Debt, Type [Axis]"
       }
      }
     },
     "localname": "LongtermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r27",
      "r159"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Long-term Debt, Type [Domain]",
        "terseLabel": "Long-term Debt, Type [Domain]"
       }
      }
     },
     "localname": "LongtermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MaterialReconcilingItemsMember": {
     "auth_ref": [
      "r110",
      "r111"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Items used in reconciling reportable segments' amounts to consolidated amount. Excludes corporate-level activity.",
        "label": "Segment Reconciling Items [Member]",
        "terseLabel": "Significant Reconciling Items"
       }
      }
     },
     "localname": "MaterialReconcilingItemsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MinorityInterest": {
     "auth_ref": [
      "r32",
      "r283",
      "r302"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).",
        "label": "Stockholders' Equity Attributable to Noncontrolling Interest",
        "terseLabel": "Noncontrolling interest"
       }
      }
     },
     "localname": "MinorityInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1": {
     "auth_ref": [
      "r320"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, written down.",
        "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Write-down or Reserve, Amount",
        "terseLabel": "Reserve for Impairment"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateWritedownOrReserveAmount1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MortgageNotesPayableDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for mortgage notes payable.",
        "label": "Mortgage Notes Payable Disclosure [Text Block]",
        "terseLabel": "MORTGAGE NOTES PAYABLE"
       }
      }
     },
     "localname": "MortgageNotesPayableDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLE"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r56"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "totalLabel": "Net cash used in financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]",
        "terseLabel": "Cash flows from financing activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r56"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "Net cash provided by investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]",
        "terseLabel": "Cash flows from investing activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r56",
      "r57",
      "r60"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "totalLabel": "Net cash provided by operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Cash flows from operating activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r34",
      "r35",
      "r39",
      "r60",
      "r85",
      "r288",
      "r308"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.",
        "label": "Net Income (Loss) Attributable to Parent",
        "totalLabel": "Net (loss) income attributable to Presidio Property Trust, Inc. common stockholders"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.",
        "label": "New Accounting Pronouncements, Policy [Policy Text Block]",
        "terseLabel": "Recently Issued Accounting Pronouncements"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_NoncashInvestingAndFinancingItemsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Noncash Investing and Financing Items [Abstract]",
        "terseLabel": "Non-cash investing and financing activities:"
       }
      }
     },
     "localname": "NoncashInvestingAndFinancingItemsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NoncontrollingInterestMember": {
     "auth_ref": [
      "r212"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest.",
        "label": "Noncontrolling Interest [Member]",
        "terseLabel": "Non- controlling Interests"
       }
      }
     },
     "localname": "NoncontrollingInterestMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NoninterestExpenseOfferingCost": {
     "auth_ref": [
      "r290"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 6.0,
       "parentTag": "us-gaap_NonoperatingIncomeExpense",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Includes offering costs of open-end investment companies, and closed-end funds with a continuous offering period.",
        "label": "Noninterest Expense Offering Cost",
        "negatedLabel": "Deferred offering costs"
       }
      }
     },
     "localname": "NoninterestExpenseOfferingCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NonoperatingIncomeExpense": {
     "auth_ref": [
      "r47"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).",
        "label": "Nonoperating Income (Expense)",
        "totalLabel": "Total other expense, net"
       }
      }
     },
     "localname": "NonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NotesPayable": {
     "auth_ref": [
      "r9",
      "r282",
      "r299"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.",
        "label": "Notes Payable",
        "verboseLabel": "Note payable, net"
       }
      }
     },
     "localname": "NotesPayable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NotesPayableToBanksMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A written promise to pay a note to a bank.",
        "label": "Notes Payable to Banks [Member]",
        "terseLabel": "Notes Payable to Banks"
       }
      }
     },
     "localname": "NotesPayableToBanksMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/NOTEPAYABLEDetails",
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NotesReceivableNet": {
     "auth_ref": [
      "r14",
      "r117",
      "r128"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": 7.0,
       "parentTag": "us-gaap_OtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.",
        "label": "Financing Receivable, after Allowance for Credit Loss",
        "terseLabel": "Notes receivable"
       }
      }
     },
     "localname": "NotesReceivableNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NumberOfRealEstateProperties": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of real estate properties owned as of the balance sheet date.",
        "label": "Number of Real Estate Properties",
        "terseLabel": "Number of properties",
        "verboseLabel": "Number of property own that have partial interest"
       }
      }
     },
     "localname": "NumberOfRealEstateProperties",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_NumberOfRealEstatePropertiesFeeSimple": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of real estate properties owned as of the statement of financial position to which the entity has fee simple title.",
        "label": "Number of Real Estate Properties, Fee Simple",
        "terseLabel": "Number of commercial properties own in fee interest"
       }
      }
     },
     "localname": "NumberOfRealEstatePropertiesFeeSimple",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_NumberOfReportableSegments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.",
        "label": "Number of Reportable Segments",
        "terseLabel": "Number of reportable segments"
       }
      }
     },
     "localname": "NumberOfReportableSegments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATIONDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_OperatingExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.",
        "label": "Operating Expenses",
        "totalLabel": "Total costs and expenses"
       }
      }
     },
     "localname": "OperatingExpenses",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Costs and expenses:"
       }
      }
     },
     "localname": "OperatingExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingIncomeLoss": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net result for the period of deducting operating expenses from operating revenues.",
        "label": "Operating Income (Loss)",
        "totalLabel": "Total net operating income, as defined, for reportable segments"
       }
      }
     },
     "localname": "OperatingIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseExpense": {
     "auth_ref": [
      "r247"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_OperatingExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating lease expense. Excludes sublease income.",
        "label": "Operating Lease, Expense",
        "terseLabel": "Rental operating costs"
       }
      }
     },
     "localname": "OperatingLeaseExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLeaseIncome": {
     "auth_ref": [
      "r88",
      "r250",
      "r254"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_Revenues",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.",
        "label": "Operating Lease, Lease Income",
        "terseLabel": "Rental income"
       }
      }
     },
     "localname": "OperatingLeaseLeaseIncome",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseLiability": {
     "auth_ref": [
      "r245"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.",
        "label": "Operating Lease, Liability",
        "terseLabel": "Lease liability, net"
       }
      }
     },
     "localname": "OperatingLeaseLiability",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeaseRightOfUseAsset": {
     "auth_ref": [
      "r244"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_OtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of lessee's right to use underlying asset under operating lease.",
        "label": "Operating Lease, Right-of-Use Asset",
        "terseLabel": "Right of use asset, net"
       }
      }
     },
     "localname": "OperatingLeaseRightOfUseAsset",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingLeasedAssetsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Operating Leased Assets [Line Items]",
        "terseLabel": "Operating Leased Assets [Line Items]"
       }
      }
     },
     "localname": "OperatingLeasedAssetsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingLossCarryforwards": {
     "auth_ref": [
      "r207"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.",
        "label": "Operating Loss Carryforwards",
        "terseLabel": "Net operating losses carry-forwards"
       }
      }
     },
     "localname": "OperatingLossCarryforwards",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingSegmentsMember": {
     "auth_ref": [
      "r101",
      "r113"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Operating Segments [Member]",
        "terseLabel": "Operating Segments"
       }
      }
     },
     "localname": "OperatingSegmentsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]",
        "terseLabel": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "auth_ref": [
      "r2",
      "r224"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.",
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "terseLabel": "ORGANIZATION AND BASIS OF PRESENTATION"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ORGANIZATIONANDBASISOFPRESENTATION"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAssets": {
     "auth_ref": [
      "r6",
      "r278",
      "r296"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of assets classified as other.",
        "label": "Other Assets",
        "terseLabel": "Other assets, net",
        "totalLabel": "Total other assets"
       }
      }
     },
     "localname": "OtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/OTHERASSETSDetails",
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Assets [Abstract]",
        "terseLabel": "Other Assets [Abstract]"
       }
      }
     },
     "localname": "OtherAssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherAssetsDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.",
        "label": "Other Assets Disclosure [Text Block]",
        "terseLabel": "OTHER ASSETS"
       }
      }
     },
     "localname": "OtherAssetsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETS"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAssetsMember": {
     "auth_ref": [
      "r225",
      "r227"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Primary financial statement caption encompassing other assets.",
        "label": "Other Assets [Member]",
        "terseLabel": "Other Assets"
       }
      }
     },
     "localname": "OtherAssetsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherIntangibleAssetsNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_OtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.",
        "label": "Other Intangible Assets, Net",
        "terseLabel": "Other intangibles, net"
       }
      }
     },
     "localname": "OtherIntangibleAssetsNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLiabilitiesAndSharesSubjectToMandatoryRedemptionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract]",
        "terseLabel": "Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract]"
       }
      }
     },
     "localname": "OtherLiabilitiesAndSharesSubjectToMandatoryRedemptionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherNoncashIncomeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Noncash Income (Expense) [Abstract]",
        "terseLabel": "Other income (expense):"
       }
      }
     },
     "localname": "OtherNoncashIncomeExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ParentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Portion of equity, or net assets, in the consolidated entity attributable, directly or indirectly, to the parent. Excludes noncontrolling interests.",
        "label": "Parent [Member]",
        "terseLabel": "Total Stockholders\u2019 Equity"
       }
      }
     },
     "localname": "ParentMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PayablesAndAccrualsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Payables and Accruals [Abstract]"
       }
      }
     },
     "localname": "PayablesAndAccrualsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PaymentsForLeasingCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow for costs that are essential to originate the lease and would not otherwise have been incurred without the lease agreement. Amount includes, but is not limited to, cash outflows to evaluate the lessee's credit condition, guarantees, and collateral and cash outflows for costs incurred in negotiating, processing, and executing the lease agreement.",
        "label": "Payments for Leasing Costs",
        "negatedLabel": "Additions to deferred leasing costs"
       }
      }
     },
     "localname": "PaymentsForLeasingCosts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfCommonStock": {
     "auth_ref": [
      "r52"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow to reacquire common stock during the period.",
        "label": "Payments for Repurchase of Common Stock",
        "negatedLabel": "Repurchase of common stock"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock": {
     "auth_ref": [
      "r52"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow to reacquire preferred stock during the period.",
        "label": "Payments for Repurchase of Preferred Stock and Preference Stock",
        "negatedLabel": "Redemption of mandatorily redeemable Series B Preferred Stock"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfPreferredStockAndPreferenceStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForTenantImprovements": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails": {
       "order": 2.0,
       "parentTag": "sqft_RealEstateAcquisitions",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy.",
        "label": "Payments for Tenant Improvements",
        "negatedLabel": "Buildings and tenant improvements",
        "terseLabel": "Capital expenditures and tenant improvements"
       }
      }
     },
     "localname": "PaymentsForTenantImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDividendsCommonStock": {
     "auth_ref": [
      "r52"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.",
        "label": "Payments of Ordinary Dividends, Common Stock",
        "negatedLabel": "Dividends paid to stockholders"
       }
      }
     },
     "localname": "PaymentsOfDividendsCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfStockIssuanceCosts": {
     "auth_ref": [
      "r54"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for cost incurred directly with the issuance of an equity security.",
        "label": "Payments of Stock Issuance Costs",
        "negatedLabel": "Series B Preferred Stock costs"
       }
      }
     },
     "localname": "PaymentsOfStockIssuanceCosts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireRealEstate": {
     "auth_ref": [
      "r50"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails": {
       "order": 1.0,
       "parentTag": "sqft_RealEstateAcquisitions",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.",
        "label": "Payments to Acquire Real Estate",
        "negatedLabel": "Real estate acquisitions",
        "terseLabel": "Acquisition of operating properties"
       }
      }
     },
     "localname": "PaymentsToAcquireRealEstate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireResidentialRealEstate": {
     "auth_ref": [
      "r50"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow from the acquisition of residential property intended to generate income for the owner.",
        "label": "Payments to Acquire Residential Real Estate",
        "terseLabel": "Payments to acquire residential real estate"
       }
      }
     },
     "localname": "PaymentsToAcquireResidentialRealEstate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PlanNameAxis": {
     "auth_ref": [
      "r188",
      "r197"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by plan name for share-based payment arrangement.",
        "label": "Plan Name [Axis]",
        "terseLabel": "Plan Name"
       }
      }
     },
     "localname": "PlanNameAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PlanNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Plan name for share-based payment arrangement.",
        "label": "Plan Name [Domain]",
        "terseLabel": "Plan Name"
       }
      }
     },
     "localname": "PlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockLiquidationPreference": {
     "auth_ref": [
      "r12",
      "r66",
      "r69",
      "r173",
      "r174"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.",
        "label": "Preferred Stock, Liquidation Preference Per Share",
        "terseLabel": "Preferred stock liquidation preference value (in dollars per share)"
       }
      }
     },
     "localname": "PreferredStockLiquidationPreference",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company.",
        "label": "Preferred Stock [Member]",
        "terseLabel": "Preferred Stock"
       }
      }
     },
     "localname": "PreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]",
        "terseLabel": "Preferred Stock [Abstract]"
       }
      }
     },
     "localname": "PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.",
        "label": "Preferred Stock, Par or Stated Value Per Share",
        "terseLabel": "Preferred stock, par or stated value (in dollars per share)"
       }
      }
     },
     "localname": "PreferredStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockRedemptionAmount": {
     "auth_ref": [
      "r29",
      "r171"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer.",
        "label": "Preferred Stock, Redemption Amount",
        "terseLabel": "Redeemable preferred stock"
       }
      }
     },
     "localname": "PreferredStockRedemptionAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred stock shares authorized (in shares)",
        "verboseLabel": "Preferred shares authorized (in shares)"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.",
        "label": "Preferred Stock, Shares Issued",
        "terseLabel": "Preferred stock shares issued (in shares)"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r12"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.",
        "label": "Preferred Stock, Shares Outstanding",
        "terseLabel": "Preferred stock shares outstanding (in shares)"
       }
      }
     },
     "localname": "PreferredStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PrepaidExpenseAndOtherAssets": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/OTHERASSETSDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherAssets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.",
        "label": "Prepaid Expense and Other Assets",
        "terseLabel": "Prepaid expenses, deposits and other"
       }
      }
     },
     "localname": "PrepaidExpenseAndOtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PriorPeriodReclassificationAdjustmentDescription": {
     "auth_ref": [
      "r0"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for reclassifications that affects the comparability of the financial statements.",
        "label": "Reclassification, Policy [Policy Text Block]",
        "terseLabel": "Reclassifications"
       }
      }
     },
     "localname": "PriorPeriodReclassificationAdjustmentDescription",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PrivatePlacementMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A private placement is a direct offering of securities to a limited number of sophisticated investors such as insurance companies, pension funds, mezzanine funds, stock funds and trusts.",
        "label": "Private Placement [Member]",
        "terseLabel": "Private Placement"
       }
      }
     },
     "localname": "PrivatePlacementMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProceedsFromPaymentsToMinorityShareholders": {
     "auth_ref": [
      "r72"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from (to) a noncontrolling interest. Excludes dividends paid to the noncontrolling interest.",
        "label": "Proceeds from (Payments to) Noncontrolling Interests",
        "terseLabel": "Contributions received from noncontrolling interests in excess of distributions paid"
       }
      }
     },
     "localname": "ProceedsFromPaymentsToMinorityShareholders",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfProductiveAssets": {
     "auth_ref": [
      "r49"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.",
        "label": "Proceeds from Sale of Productive Assets",
        "terseLabel": "Proceeds from sale of real estate assets"
       }
      }
     },
     "localname": "ProceedsFromSaleOfProductiveAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfRealEstate": {
     "auth_ref": [
      "r49"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cash received for the sale of real estate that is not part of an investing activity during the current period.",
        "label": "Proceeds from Sale of Real Estate",
        "terseLabel": "Proceeds from sale of property"
       }
      }
     },
     "localname": "ProceedsFromSaleOfRealEstate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSecuredNotesPayable": {
     "auth_ref": [
      "r51"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from borrowings supported by a written promise to pay an obligation that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).",
        "label": "Proceeds from Secured Notes Payable",
        "terseLabel": "Proceeds from mortgage notes payable, net of issuance costs"
       }
      }
     },
     "localname": "ProceedsFromSecuredNotesPayable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromUnsecuredNotesPayable": {
     "auth_ref": [
      "r51"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from borrowings supported by a written promise to pay an obligation that is uncollateralized (where debt is not backed by the pledge of collateral).",
        "label": "Proceeds from Unsecured Notes Payable",
        "terseLabel": "Proceeds from note payable, net of issuance costs"
       }
      }
     },
     "localname": "ProceedsFromUnsecuredNotesPayable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProfitLoss": {
     "auth_ref": [
      "r34",
      "r35",
      "r55",
      "r105",
      "r114",
      "r214",
      "r216",
      "r217",
      "r220",
      "r221"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      },
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.",
        "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest",
        "terseLabel": "Net (loss) income",
        "totalLabel": "Net income",
        "verboseLabel": "Net income"
       }
      }
     },
     "localname": "ProfitLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentByTypeAxis": {
     "auth_ref": [
      "r21",
      "r146"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.",
        "label": "Property, Plant and Equipment, Type [Axis]",
        "terseLabel": "Property, Plant and Equipment, Type"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentByTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTypeDomain": {
     "auth_ref": [
      "r5",
      "r145"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.",
        "label": "Property, Plant and Equipment, Type [Domain]",
        "terseLabel": "Property, Plant and Equipment, Type"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RealEstateAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Real Estate [Abstract]",
        "terseLabel": "Real Estate [Abstract]"
       }
      }
     },
     "localname": "RealEstateAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RealEstateAccumulatedDepreciation": {
     "auth_ref": [
      "r327"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails": {
       "order": 1.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesNet",
       "weight": -1.0
      },
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation",
        "negatedPeriodEndLabel": "Balance at the end of the year",
        "negatedPeriodStartLabel": "Balance at the beginning of the year",
        "terseLabel": "Accumulated Depreciation &amp; Depreciation"
       }
      }
     },
     "localname": "RealEstateAccumulatedDepreciation",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAccumulatedDepreciationRealEstateSold": {
     "auth_ref": [
      "r330"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of decrease to accumulated depreciation for real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold",
        "verboseLabel": "Dispositions of real estate"
       }
      }
     },
     "localname": "RealEstateAccumulatedDepreciationRealEstateSold",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAcquisitionsThroughForeclosures": {
     "auth_ref": [
      "r330"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of real estate investments acquired through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Acquisition Through Foreclosure",
        "verboseLabel": "Acquisitions"
       }
      }
     },
     "localname": "RealEstateAcquisitionsThroughForeclosures",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_RealEstateGrossAtCarryingValue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before accumulated depreciation of buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount",
        "terseLabel": "Building &amp; Improvements, Total Cost"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_RealEstateGrossAtCarryingValue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount",
        "terseLabel": "Land Cost, Total Cost"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationCarryingAmountOfLand",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements": {
     "auth_ref": [
      "r325"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of land and buildings and improvements made to real estate investments and capitalized after acquisition for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Improvements",
        "totalLabel": "Acquisition Price"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements": {
     "auth_ref": [
      "r324"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Initial cost of buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements",
        "terseLabel": "Building and Improvements, Initial Cost"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand": {
     "auth_ref": [
      "r324"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Initial cost of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land",
        "terseLabel": "Land, Initial Cost"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationInitialCostOfLand",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1": {
     "auth_ref": [
      "r328"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation",
        "terseLabel": "Estimated useful life"
       }
      }
     },
     "localname": "RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_RealEstateCostOfRealEstateSold": {
     "auth_ref": [
      "r330"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold",
        "negatedLabel": "Dispositions of real estate"
       }
      }
     },
     "localname": "RealEstateCostOfRealEstateSold",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateDisclosureTextBlock": {
     "auth_ref": [
      "r332",
      "r333",
      "r334",
      "r335",
      "r336"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for certain real estate investment financial statements, real estate investment trust operating support agreements, real estate owned, retail land sales, time share transactions, as well as other real estate related disclosures.",
        "label": "Real Estate Disclosure [Text Block]",
        "terseLabel": "RECENT REAL ESTATE TRANSACTIONS"
       }
      }
     },
     "localname": "RealEstateDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONS"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RealEstateGrossAtCarryingValue": {
     "auth_ref": [
      "r326"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross",
        "totalLabel": "SEC Schedule III, Real Estate, Gross, Total"
       }
      }
     },
     "localname": "RealEstateGrossAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateHeldforsale": {
     "auth_ref": [
      "r306"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAndRealEstateHeldForSaleNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.",
        "label": "Real Estate Held-for-sale",
        "terseLabel": "Real estate assets held for sale, net"
       }
      }
     },
     "localname": "RealEstateHeldforsale",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateImprovements": {
     "auth_ref": [
      "r330"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements",
        "verboseLabel": "Improvements"
       }
      }
     },
     "localname": "RealEstateImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateInvestmentPropertyNet": {
     "auth_ref": [
      "r305"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.",
        "label": "Real Estate Investment Property, Net",
        "terseLabel": "Land, buildings and improvements, net"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateInvestmentPropertyNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Real Estate Investment Property, Net [Abstract]",
        "terseLabel": "Real estate assets and lease intangibles:"
       }
      }
     },
     "localname": "RealEstateInvestmentPropertyNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RealEstateLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Real Estate [Line Items]",
        "terseLabel": "Real Estate [Line Items]"
       }
      }
     },
     "localname": "RealEstateLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RealEstatePolicyTextBlock": {
     "auth_ref": [
      "r64",
      "r232",
      "r322"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for entities that primarily develop and then sell real property at retail or otherwise.",
        "label": "Real Estate, Policy [Policy Text Block]",
        "terseLabel": "Real Estate Asset Acquisitions and Lease Intangibles"
       }
      }
     },
     "localname": "RealEstatePolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RealEstatePropertiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Real Estate Properties [Line Items]",
        "terseLabel": "Real Estate Properties [Line Items]"
       }
      }
     },
     "localname": "RealEstatePropertiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RealEstateTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about real estate investment companies including, but not limited to, real estate investment trusts, real estate owned, retail land sales, and time share transactions.",
        "label": "Real Estate [Table]",
        "terseLabel": "Real Estate [Table]"
       }
      }
     },
     "localname": "RealEstateTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReceivablesPolicyTextBlock": {
     "auth_ref": [
      "r64",
      "r118",
      "r121",
      "r122",
      "r123"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for receivable. Includes, but is not limited to, accounts receivable and financing receivable.",
        "label": "Receivable [Policy Text Block]",
        "terseLabel": "Account Receivables"
       }
      }
     },
     "localname": "ReceivablesPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable": {
     "auth_ref": [
      "r108",
      "r111"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identification, description, and amounts of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets.",
        "label": "Reconciliation of Assets from Segment to Consolidated [Table]",
        "terseLabel": "Reconciliation of Assets from Segment to Consolidated [Table]"
       }
      }
     },
     "localname": "ReconciliationOfAssetsFromSegmentToConsolidatedTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock": {
     "auth_ref": [
      "r108",
      "r111"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets.",
        "label": "Reconciliation of Assets from Segment to Consolidated [Table Text Block]",
        "terseLabel": "Reconciliation of Assets by Segment to Total Assets"
       }
      }
     },
     "localname": "ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]",
        "terseLabel": "Real estate"
       }
      }
     },
     "localname": "ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable": {
     "auth_ref": [
      "r107",
      "r111"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment.",
        "label": "Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]",
        "terseLabel": "Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]"
       }
      }
     },
     "localname": "ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable": {
     "auth_ref": [
      "r109",
      "r111"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identification, description, and amounts of all significant reconciling items in the reconciliation of a significant segment item of information disclosed (for example, liabilities) other than profit (loss), revenues, or assets, between reportable segments in total and the entity's consolidated total for that significant segment item disclosed.",
        "label": "Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table]",
        "terseLabel": "Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table]"
       }
      }
     },
     "localname": "ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock": {
     "auth_ref": [
      "r109",
      "r111"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of each significant reconciling item, other than profit (loss), revenues, or assets, in the reconciliation of totals of such items in reportable segments to the entity's corresponding consolidated amount.",
        "label": "Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block]",
        "terseLabel": "Reconciliation of Capital Expenditures by Segment to Total Real Estate Investments"
       }
      }
     },
     "localname": "ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ReconciliationOfRealEstateAccumulatedDepreciationRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]",
        "terseLabel": "Accumulated depreciation and amortization"
       }
      }
     },
     "localname": "ReconciliationOfRealEstateAccumulatedDepreciationRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyDomain": {
     "auth_ref": [
      "r260"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Domain]",
        "terseLabel": "Related Party"
       }
      }
     },
     "localname": "RelatedPartyDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RelatedPartyTransactionLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Related Party Transaction [Line Items]",
        "terseLabel": "Related Party Transaction [Line Items]"
       }
      }
     },
     "localname": "RelatedPartyTransactionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Related Party Transactions [Abstract]",
        "terseLabel": "Related Party Transactions [Abstract]"
       }
      }
     },
     "localname": "RelatedPartyTransactionsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": {
     "auth_ref": [
      "r185",
      "r255",
      "r256",
      "r265",
      "r266",
      "r267",
      "r268",
      "r269",
      "r270",
      "r271",
      "r272",
      "r273",
      "r274",
      "r275",
      "r276"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests.",
        "label": "Related Party [Axis]",
        "terseLabel": "Related Party"
       }
      }
     },
     "localname": "RelatedPartyTransactionsByRelatedPartyAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": {
     "auth_ref": [
      "r260"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.",
        "label": "Related Party Transactions Disclosure [Text Block]",
        "terseLabel": "RELATED PARTY TRANSACTIONS"
       }
      }
     },
     "localname": "RelatedPartyTransactionsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONS"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RepaymentsOfNotesPayable": {
     "auth_ref": [
      "r53"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow for a borrowing supported by a written promise to pay an obligation.",
        "label": "Repayments of Notes Payable",
        "negatedLabel": "Repayment of mortgage notes payable"
       }
      }
     },
     "localname": "RepaymentsOfNotesPayable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ResidentialRealEstateMember": {
     "auth_ref": [
      "r129",
      "r184"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Property that is used as a home.",
        "label": "Residential Real Estate [Member]",
        "terseLabel": "Residential Properties"
       }
      }
     },
     "localname": "ResidentialRealEstateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedCash": {
     "auth_ref": [
      "r63",
      "r277",
      "r300"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.",
        "label": "Restricted Cash",
        "terseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockExpense": {
     "auth_ref": [
      "r59"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.",
        "label": "Restricted Stock or Unit Expense",
        "terseLabel": "Stock compensation"
       }
      }
     },
     "localname": "RestrictedStockExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedStockMember": {
     "auth_ref": [
      "r84"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.",
        "label": "Restricted Stock [Member]",
        "terseLabel": "Restricted Stock"
       }
      }
     },
     "localname": "RestrictedStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedStockValueSharesIssuedNetOfTaxWithholdings": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value, after value of shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation.",
        "label": "Restricted Stock, Value, Shares Issued Net of Tax Withholdings",
        "terseLabel": "Value of granted nonvested restricted stock issued"
       }
      }
     },
     "localname": "RestrictedStockValueSharesIssuedNetOfTaxWithholdings",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r16",
      "r179",
      "r301"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings (Accumulated Deficit)",
        "terseLabel": "Dividends in excess of accumulated losses"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": {
     "auth_ref": [
      "r65",
      "r183"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for revenue from contract with customer.",
        "label": "Revenue from Contract with Customer [Policy Text Block]",
        "terseLabel": "Sale of Real Estate Assets, Revenue Recognition and Accounts Receivables"
       }
      }
     },
     "localname": "RevenueFromContractWithCustomerPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RevenueFromRelatedParties": {
     "auth_ref": [
      "r44",
      "r318"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.",
        "label": "Revenue from Related Parties",
        "terseLabel": "Rent revenue from an entity 100% owned by the Company's Chairman and Chief Executive Officer and another Related Party"
       }
      }
     },
     "localname": "RevenueFromRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Revenues": {
     "auth_ref": [
      "r38",
      "r100",
      "r101",
      "r112"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_ProfitLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).",
        "label": "Revenues",
        "totalLabel": "Total revenues"
       }
      }
     },
     "localname": "Revenues",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenuesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Revenues [Abstract]",
        "terseLabel": "Revenues:"
       }
      }
     },
     "localname": "RevenuesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense": {
     "auth_ref": [
      "r330"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of depreciation expense of real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense",
        "negatedLabel": "Depreciation and amortization expense"
       }
      }
     },
     "localname": "SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationChangesinPeriodDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements": {
     "auth_ref": [
      "r325"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_RealEstateGrossAtCarryingValue",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of building and improvement costs capitalized since acquisition for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Building and Improvements",
        "terseLabel": "Capitalized Improvements"
       }
      }
     },
     "localname": "SECScheduleIIIRealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionBuildingsAndImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SECScheduleIIIRealEstateInvestmentPropertyNet": {
     "auth_ref": [
      "r331"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after accumulated depreciation of real estate held for investment for entities with a substantial portion of business acquiring and holding investment real estate.",
        "label": "SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Investment Property, Net",
        "totalLabel": "NBV Real Estate"
       }
      }
     },
     "localname": "SECScheduleIIIRealEstateInvestmentPropertyNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SaleOfStockNameOfTransactionDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.",
        "label": "Sale of Stock [Domain]",
        "terseLabel": "Sale of Stock"
       }
      }
     },
     "localname": "SaleOfStockNameOfTransactionDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SaleOfStockPricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.",
        "label": "Sale of Stock, Price Per Share",
        "terseLabel": "Price of shares (in dollars per share)"
       }
      }
     },
     "localname": "SaleOfStockPricePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ScheduleOfDebtTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.",
        "label": "Schedule of Debt [Table Text Block]",
        "terseLabel": "Mortgage Notes Payable"
       }
      }
     },
     "localname": "ScheduleOfDebtTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLETables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": {
     "auth_ref": [
      "r134",
      "r136"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.",
        "label": "Schedule of Finite-Lived Intangible Assets [Table]",
        "terseLabel": "Schedule of Finite-Lived Intangible Assets [Table]"
       }
      }
     },
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LeaseIntangiblesAdditionalInformationDetails",
      "http://www.presidiopt.com/role/LeaseIntangiblesNetValueofOtherIntangibleAssetsandAmortizationbyClassDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": {
     "auth_ref": [
      "r134",
      "r136"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.",
        "label": "Schedule of Finite-Lived Intangible Assets [Table Text Block]",
        "terseLabel": "Net Value of Other Intangible Assets"
       }
      }
     },
     "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LEASEINTANGIBLESTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfOperatingLeasedAssetsTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of long-lived, depreciable assets that are subject to a operating lease agreements and are used in the normal conduct of business to produce goods and services. Examples may include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.",
        "label": "Schedule of Operating Leased Assets [Table]",
        "terseLabel": "Schedule of Operating Leased Assets [Table]"
       }
      }
     },
     "localname": "ScheduleOfOperatingLeasedAssetsTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonModelHomePropertiesDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofFutureMinimumRentalRevenuesunderExistingLeasesonOfficeIndustiralandRetailPropiertiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfOtherAssetsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets.",
        "label": "Schedule of Other Assets [Table Text Block]",
        "terseLabel": "Other Assets"
       }
      }
     },
     "localname": "ScheduleOfOtherAssetsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/OTHERASSETSTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRealEstatePropertiesTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule detailing quantitative information concerning real estate properties and units within those properties by ownership of the property.",
        "label": "Schedule of Real Estate Properties [Table]",
        "terseLabel": "Schedule of Real Estate Properties [Table]"
       }
      }
     },
     "localname": "ScheduleOfRealEstatePropertiesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSAcquisitionsofPropertiesDetails",
      "http://www.presidiopt.com/role/RECENTREALESTATETRANSACTIONSDisposalsofPropertiesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfRealEstatePropertiesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of real estate properties and units in those properties that are included in the discussion of the nature of an entity's operations.",
        "label": "Schedule of Real Estate Properties [Table Text Block]",
        "terseLabel": "Real Estate Properties Owned"
       }
      }
     },
     "localname": "ScheduleOfRealEstatePropertiesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": {
     "auth_ref": [
      "r68",
      "r255",
      "r256",
      "r257",
      "r258",
      "r259"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.",
        "label": "Schedule of Related Party Transactions, by Related Party [Table]",
        "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]"
       }
      }
     },
     "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": {
     "auth_ref": [
      "r99",
      "r105",
      "r106",
      "r110",
      "r132"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.",
        "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]",
        "terseLabel": "Net Operating Income by Segment"
       }
      }
     },
     "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "auth_ref": [
      "r188",
      "r197"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about share-based payment arrangement.",
        "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]",
        "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock": {
     "auth_ref": [
      "r191"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.",
        "label": "Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]",
        "terseLabel": "Non-vested Restricted Stock"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ShareBasedIncentivePlanTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionTable": {
     "auth_ref": [
      "r164",
      "r165",
      "r167"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of the description and the details of all terms for each outstanding financial instrument and each settlement option, including:  a. The amount that would be paid, or the number of shares that would be issued and their fair value, determined under the conditions specified in the contract if the settlement were to occur at the reporting date b. How changes in the fair value of the issuer's equity shares would affect those settlement amounts (for example, \"the issuer is obligated to issue an additional x shares or pay an additional y dollars in cash for each $1 decrease in the fair value of one share\") c. The maximum amount that the issuer could be required to pay to redeem the instrument by physical settlement, if applicable d. The maximum number of shares that could be required to be issued, if applicable e. That a contract does not limit the amount that the issuer could be required to pay or the number of shares that the issuer could be required to issue, if applicable f. For a forward contract or an option indexed to the issuer's equity shares, the forward price or option strike price, the number of issuer's shares to which the contract is indexed, and the settlement date or dates of the contract, as applicable.  g. The components of the liability that would otherwise be related to shareholders' interest and other comprehensive income (if any) subject to the redemption feature (for example, par value and other paid in amounts of mandatorily redeemable instruments is disclosed separately from the amount of retained earnings or accumulated deficit).",
        "label": "Schedule of Financial Instruments Subject to Mandatory Redemption [Table]",
        "terseLabel": "Schedule of Financial Instruments Subject to Mandatory Redemption [Table]"
       }
      }
     },
     "localname": "ScheduleOfSharesSubjectToMandatoryRedemptionTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfStockByClassTable": {
     "auth_ref": [
      "r30",
      "r70",
      "r168",
      "r169",
      "r170",
      "r173",
      "r174",
      "r175",
      "r176",
      "r177",
      "r178",
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.",
        "label": "Schedule of Stock by Class [Table]",
        "terseLabel": "Schedule of Stock by Class [Table]"
       }
      }
     },
     "localname": "ScheduleOfStockByClassTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": {
     "auth_ref": [
      "r136"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.",
        "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]",
        "terseLabel": "Amortization Expense for the Company Lease Intangible Assets"
       }
      }
     },
     "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/LEASEINTANGIBLESTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.",
        "label": "Segments [Domain]",
        "terseLabel": "Segments",
        "verboseLabel": "Segments [Domain]"
       }
      }
     },
     "localname": "SegmentDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails",
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SegmentReportingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting [Abstract]",
        "terseLabel": "Segment Reporting [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingAssetReconcilingItemLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Segment Reporting, Asset Reconciling Item [Line Items]",
        "terseLabel": "Segment Reporting, Asset Reconciling Item [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingAssetReconcilingItemLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingDisclosureTextBlock": {
     "auth_ref": [
      "r116"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.",
        "label": "Segment Reporting Disclosure [Text Block]",
        "terseLabel": "SEGMENTS"
       }
      }
     },
     "localname": "SegmentReportingDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTS"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Segment Reporting Information, Operating Income (Loss) [Abstract]",
        "terseLabel": "Net Operating Income [Abstract]"
       }
      }
     },
     "localname": "SegmentReportingInformationOperatingIncomeLossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Segment Reporting, Other Significant Reconciling Item [Line Items]",
        "terseLabel": "Segment Reporting, Other Significant Reconciling Item [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingOtherSignificantReconcilingItemLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]",
        "terseLabel": "Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]"
       }
      }
     },
     "localname": "SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SeriesBPreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Outstanding nonredeemable series B preferred stock or outstanding series B preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer.",
        "label": "Series B Preferred Stock [Member]",
        "terseLabel": "Series B Preferred Stock"
       }
      }
     },
     "localname": "SeriesBPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Share-based Payment Arrangement, Noncash Expense [Abstract]",
        "terseLabel": "Share-Based Incentive Plan [Abstract]"
       }
      }
     },
     "localname": "ShareBasedCompensationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "auth_ref": [
      "r189"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period",
        "terseLabel": "Vesting period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": {
     "auth_ref": [
      "r192"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period",
        "negatedLabel": "Forfeited (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r194"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Granted (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": {
     "auth_ref": [
      "r193"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number",
        "periodEndLabel": "Balance, end of period (in shares)",
        "periodStartLabel": "Balance, beginning of period (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]",
        "terseLabel": "Nonvested Restricted Shares [Roll Forward]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": {
     "auth_ref": [
      "r195"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period",
        "negatedLabel": "Vested (in shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r186",
      "r190"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Award under share-based payment arrangement.",
        "label": "Award Type [Domain]",
        "terseLabel": "Equity Award"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANNonvestedRestrictedStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SharesSubjectToMandatoryRedemptionBySettlementTermsLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]",
        "terseLabel": "Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]"
       }
      }
     },
     "localname": "SharesSubjectToMandatoryRedemptionBySettlementTermsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent": {
     "auth_ref": [
      "r166"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount that is required to be paid, determined under the conditions specified in the contract, if as of the reporting date, the holder of the share has exercised the right to or the shares are mandatorily redeemable after one year from the reporting date or operating cycle, if longer.",
        "label": "Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent",
        "terseLabel": "Mandatorily redeemable Series B Preferred Stock, net"
       }
      }
     },
     "localname": "SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SignificantAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r75"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for all significant accounting policies of the reporting entity.",
        "label": "Significant Accounting Policies [Text Block]",
        "terseLabel": "SIGNIFICANT ACCOUNTING POLICIES"
       }
      }
     },
     "localname": "SignificantAccountingPoliciesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIES"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_StatementBusinessSegmentsAxis": {
     "auth_ref": [
      "r1",
      "r105",
      "r132",
      "r149",
      "r153",
      "r154",
      "r314"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by business segments.",
        "label": "Segments [Axis]",
        "terseLabel": "Segments",
        "verboseLabel": "Segments [Axis]"
       }
      }
     },
     "localname": "StatementBusinessSegmentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/REALESTATEASSETSPropertiesDetails",
      "http://www.presidiopt.com/role/SEGMENTSAssetsDetails",
      "http://www.presidiopt.com/role/SEGMENTSCapitalExpendituresDetails",
      "http://www.presidiopt.com/role/SEGMENTSNetOperatingIncomebySegmentDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementClassOfStockAxis": {
     "auth_ref": [
      "r11",
      "r12",
      "r13",
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by the different classes of stock of the entity.",
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock"
       }
      }
     },
     "localname": "StatementClassOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r31",
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]",
        "terseLabel": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Financial Position [Abstract]",
        "terseLabel": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Stockholders' Equity [Abstract]",
        "terseLabel": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "localname": "StatementOfStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheetsParenthetical",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.",
        "label": "Stock Issued During Period, Shares, Dividend Reinvestment Plan",
        "verboseLabel": "Common stock issued under dividend reinvestment plan (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesDividendReinvestmentPlan",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross": {
     "auth_ref": [
      "r172",
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.",
        "label": "Stock Issued During Period, Shares, Restricted Stock Award, Gross",
        "terseLabel": "Vesting of restricted stock (in shares)"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodSharesRestrictedStockAwardGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan": {
     "auth_ref": [
      "r172"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity.",
        "label": "Stock Issued During Period, Value, Dividend Reinvestment Plan",
        "terseLabel": "Common stock issued under dividend reinvestment plan"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueDividendReinvestmentPlan",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYDividendsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross": {
     "auth_ref": [
      "r12",
      "r13",
      "r172",
      "r179"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate value of stock related to Restricted Stock Awards issued during the period.",
        "label": "Stock Issued During Period, Value, Restricted Stock Award, Gross",
        "terseLabel": "Vesting of restricted stock"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueRestrictedStockAwardGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRedeemedOrCalledDuringPeriodShares": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of stock bought back by the entity at the exercise price or redemption price.",
        "label": "Stock Redeemed or Called During Period, Shares",
        "terseLabel": "Number of shares redeemed (in shares)"
       }
      }
     },
     "localname": "StockRedeemedOrCalledDuringPeriodShares",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockRedeemedOrCalledDuringPeriodValue": {
     "auth_ref": [
      "r172"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity impact of the value of stock bought back by the entity at the exercise price or redemption price.",
        "label": "Stock Redeemed or Called During Period, Value",
        "terseLabel": "Number of shares redeemed, value"
       }
      }
     },
     "localname": "StockRedeemedOrCalledDuringPeriodValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SERIESBMANDATORILYREDEEMABLEPREFERREDSTOCKDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchasedAndRetiredDuringPeriodShares": {
     "auth_ref": [
      "r12",
      "r13",
      "r172",
      "r179"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares that have been repurchased and retired during the period.",
        "label": "Stock Repurchased and Retired During Period, Shares",
        "negatedLabel": "Common stock repurchased (in shares)"
       }
      }
     },
     "localname": "StockRepurchasedAndRetiredDuringPeriodShares",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockRepurchasedAndRetiredDuringPeriodValue": {
     "auth_ref": [
      "r12",
      "r13",
      "r172",
      "r179"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).",
        "label": "Stock Repurchased and Retired During Period, Value",
        "negatedLabel": "Common stock repurchased"
       }
      }
     },
     "localname": "StockRepurchasedAndRetiredDuringPeriodValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r13",
      "r17",
      "r18",
      "r120"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.",
        "label": "Stockholders' Equity Attributable to Parent",
        "totalLabel": "Total stockholders' equity before noncontrolling interest"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": {
     "auth_ref": [
      "r212",
      "r213",
      "r219"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.",
        "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest",
        "periodEndLabel": "Ending balance",
        "periodStartLabel": "Beginning balance",
        "totalLabel": "Total equity"
       }
      }
     },
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets",
      "http://www.presidiopt.com/role/ConsolidatedStatementsofEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]",
        "terseLabel": "Stockholders' Equity:"
       }
      }
     },
     "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityNoteAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity Note [Abstract]",
        "terseLabel": "Stockholders' Equity Note [Abstract]"
       }
      }
     },
     "localname": "StockholdersEquityNoteAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "auth_ref": [
      "r180"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.",
        "label": "Stockholders' Equity Note Disclosure [Text Block]",
        "terseLabel": "STOCKHOLDERS' EQUITY"
       }
      }
     },
     "localname": "StockholdersEquityNoteDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITY"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_StraightLineRentAdjustments": {
     "auth_ref": [],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of the adjustment to rental revenues to measure escalating leasing revenues on a straight line basis.",
        "label": "Straight Line Rent Adjustments",
        "terseLabel": "Straight-line rent adjustment"
       }
      }
     },
     "localname": "StraightLineRentAdjustments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event [Member]",
        "terseLabel": "Subsequent Event"
       }
      }
     },
     "localname": "SubsequentEventMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r261"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Axis]",
        "terseLabel": "Subsequent Event Type"
       }
      }
     },
     "localname": "SubsequentEventTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r261"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event Type [Domain]",
        "terseLabel": "Subsequent Event Type [Domain]",
        "verboseLabel": "Subsequent Event Type"
       }
      }
     },
     "localname": "SubsequentEventTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails",
      "http://www.presidiopt.com/role/REALESTATEASSETSSummaryofPropertiesOwnedDetails",
      "http://www.presidiopt.com/role/SCHEDULEIIIRealEstateandAccumulatedDepreciationandAmortizationDetails",
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Subsequent Events [Abstract]",
        "terseLabel": "Subsequent Events [Abstract]"
       }
      }
     },
     "localname": "SubsequentEventsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventsPolicyPolicyTextBlock": {
     "auth_ref": [
      "r64"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for reporting subsequent events.",
        "label": "Subsequent Events, Policy [Policy Text Block]",
        "terseLabel": "Subsequent Events"
       }
      }
     },
     "localname": "SubsequentEventsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SubsidiarySaleOfStockAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of sale of the entity's stock.",
        "label": "Sale of Stock [Axis]",
        "terseLabel": "Sale of Stock",
        "verboseLabel": "Sale of Stock [Axis]"
       }
      }
     },
     "localname": "SubsidiarySaleOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SHAREBASEDINCENTIVEPLANAdditionalInformationDetails",
      "http://www.presidiopt.com/role/STOCKHOLDERSEQUITYCommonandPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental disclosure of cash flow information:"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TenantImprovements": {
     "auth_ref": [
      "r306"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "sqft_RealEstateInvestmentPropertyAndLeaseIntangiblesHeldForInvestmentAtCost",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.",
        "label": "Tenant Improvements",
        "terseLabel": "Tenant improvements"
       }
      }
     },
     "localname": "TenantImprovements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TypeOfAdoptionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Adoption and early adoption of sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues Accounting Standards Updates to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.",
        "label": "Type of Adoption [Domain]",
        "terseLabel": "Type of Adoption [Domain]"
       }
      }
     },
     "localname": "TypeOfAdoptionMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UnamortizedDebtIssuanceExpense": {
     "auth_ref": [
      "r22"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails": {
       "order": 1.0,
       "parentTag": "sqft_MortgageNotesPayable",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.",
        "label": "Unamortized Debt Issuance Expense",
        "negatedLabel": "Unamortized loan costs"
       }
      }
     },
     "localname": "UnamortizedDebtIssuanceExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UseOfEstimates": {
     "auth_ref": [
      "r89",
      "r90",
      "r91",
      "r92",
      "r96",
      "r97",
      "r98"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.",
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "terseLabel": "Use of Estimates"
       }
      }
     },
     "localname": "UseOfEstimates",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ValuationAllowancesAndReservesDeductions": {
     "auth_ref": [
      "r74"
     ],
     "calculation": {
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of decrease in valuation and qualifying accounts and reserves.",
        "label": "SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction",
        "terseLabel": "Bad debt expense (recoveries)"
       }
      }
     },
     "localname": "ValuationAllowancesAndReservesDeductions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableRateAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of variable rate.",
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate"
       }
      }
     },
     "localname": "VariableRateAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.",
        "label": "Variable Rate [Domain]",
        "terseLabel": "Variable Rate"
       }
      }
     },
     "localname": "VariableRateDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/MORTGAGENOTESPAYABLEDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r79",
      "r83"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.",
        "label": "Weighted Average Number of Shares Outstanding, Diluted",
        "terseLabel": "Weighted average number of common shares outstanding - diluted (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r78",
      "r83"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.",
        "label": "Weighted Average Number of Shares Outstanding, Basic",
        "terseLabel": "Weighted average number of common shares outstanding - basic (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.presidiopt.com/role/ConsolidatedStatementsofOperations"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 12
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(24))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(27))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8924-108599"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "280",
   "URI": "http://asc.fasb.org/topic&trid=2134510"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5033-111524"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10149-111534"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=84159169&loc=d3e10178-111534"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(d)(1)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921835-210448"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "350",
   "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "350",
   "URI": "http://asc.fasb.org/topic&trid=2144416"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226317&loc=d3e202-110218"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.CC)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "410",
   "URI": "http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "10",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394232&loc=d3e17558-110866"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 5.P.4(d))",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "http://asc.fasb.org/topic&trid=2144648"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=118255708&loc=SL5909891-110878"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=109262807&loc=d3e22026-110879"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(CFRR 211.02)",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "505",
   "URI": "http://asc.fasb.org/topic&trid=2208762"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "606",
   "URI": "http://asc.fasb.org/topic&trid=49130388"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(n)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)(iv)(3)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(i)-(ii)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 14.F)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "718",
   "URI": "http://asc.fasb.org/topic&trid=2228938"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "205",
   "URI": "http://asc.fasb.org/topic&trid=2122149"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.13)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32247-109318"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32280-109318"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32847-109319"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "30",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65884525&loc=d3e40913-109327"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.14)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "37",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "805",
   "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4I",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.17)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591551-111686"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686"
  },
  "r222": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3A-02)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355033-122828"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3A-03)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355100-122828"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "810",
   "URI": "http://asc.fasb.org/topic&trid=2197479"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "182",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=116861445&loc=SL5629052-113961"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a),20,24)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "15",
   "SubTopic": "20",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450852&loc=d3e24871-108386"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "840",
   "URI": "http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "840",
   "URI": "http://asc.fasb.org/extlink&oid=77902619&loc=d3e40588-112709"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "840",
   "URI": "http://asc.fasb.org/extlink&oid=77902619&loc=d3e40246-112709"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "840",
   "URI": "http://asc.fasb.org/extlink&oid=77902458&loc=d3e39927-112707"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "20",
   "Topic": "840",
   "URI": "http://asc.fasb.org/extlink&oid=77913719&loc=d3e40879-112712"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=119364159&loc=SL77916155-209984"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "53",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919396-209981"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919398-209981"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(3)",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864"
  },
  "r26": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22(a)(2))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "http://asc.fasb.org/topic&trid=2122745"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "340",
   "Topic": "928",
   "URI": "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-10(c)(3)(ii)(A))",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-10(c)(7)(ii))",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61929-109447"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62059-109447"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r27": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62395-109447"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "33",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e62479-109447"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(a)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "35A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(b)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=SL6807758-109447"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(1)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "235",
   "Subparagraph": "(c)(2)",
   "Topic": "932",
   "URI": "http://asc.fasb.org/extlink&oid=68064819&loc=d3e61872-109447"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(1)(a))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r28": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.25)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(15)(5))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.15(1),(5))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.17)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(14)(d))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.27(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.14)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "405",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(5))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(10))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(15)(5))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.28,29)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(2))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(24))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.(a),19)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.1(d))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.1(f))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.15)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(19))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(3)(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "360",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117337397&loc=d3e23415-158514"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "360",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117337397&loc=d3e23439-158514"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117337411&loc=d3e23528-158515"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(b)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "825",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=99380617&loc=SL75241803-196195"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=66023616&loc=d3e9120-115832"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.6-07.1(c))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=116637345&loc=SL114874292-224272"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Footnote 4))",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Footnote 7))",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "740",
   "Topic": "954",
   "URI": "http://asc.fasb.org/extlink&oid=6491622&loc=d3e9504-115650"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "10",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=77935101&loc=d3e24546-110282"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column B))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column C))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column D))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column E))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column F))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Column I))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 2))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r33": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.8)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 4))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28)",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "970",
   "URI": "http://asc.fasb.org/topic&trid=2156125"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "972",
   "URI": "http://asc.fasb.org/topic&trid=2134617"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "974",
   "URI": "http://asc.fasb.org/topic&trid=2156429"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "976",
   "URI": "http://asc.fasb.org/topic&trid=2134846"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "978",
   "URI": "http://asc.fasb.org/topic&trid=2134977"
  },
  "r337": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-23"
  },
  "r338": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "g"
  },
  "r339": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1-"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580"
  },
  "r340": {
   "Name": "Forms 10-K, 20-F, 40-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "15",
   "Subsection": "d-1"
  },
  "r341": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r342": {
   "Name": "Regulation S-K (SK)",
   "Number": "229",
   "Paragraph": "(a)",
   "Publisher": "SEC",
   "Section": "303",
   "Subparagraph": "(5)"
  },
  "r343": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r344": {
   "Footnote": "2",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "28"
  },
  "r345": {
   "Footnote": "4",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "29"
  },
  "r346": {
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Paragraph": "Column B",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "28"
  },
  "r347": {
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "28"
  },
  "r348": {
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Paragraph": "c",
   "Publisher": "SEC",
   "Section": "5",
   "Subparagraph": "Schedule III",
   "Subsection": "04"
  },
  "r35": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580"
  },
  "r36": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116657188&loc=SL116659661-227067"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(210.5-03(11))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(1))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(21))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(8))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(7)(c))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(9)(a))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.1(e))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.3)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.4)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.8)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(13))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3000-108585"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(17))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4273-108586"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(d)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(k))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(d)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(d),(e))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(e),(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04(a))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-04.(a))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.12-09)",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1505-109256"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "270",
   "URI": "http://asc.fasb.org/extlink&oid=118952077&loc=SL77927221-108306"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599"
  }
 },
 "version": "2.1"
}
