{
 "instance": {
  "sb-20210930.htm": {
   "axisCustom": 0,
   "axisStandard": 17,
   "contextCount": 243,
   "dts": {
    "calculationLink": {
     "local": [
      "sb-20210930_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "sb-20210930_def.xml"
     ]
    },
    "inline": {
     "local": [
      "sb-20210930.htm"
     ]
    },
    "labelLink": {
     "local": [
      "sb-20210930_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "sb-20210930_pre.xml"
     ]
    },
    "schema": {
     "local": [
      "sb-20210930.xsd"
     ],
     "remote": [
      "https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.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",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-types-2021-01-31.xsd",
      "https://xbrl.sec.gov/country/2021/country-2021.xsd",
      "https://xbrl.fasb.org/srt/2021/elts/srt-roles-2021-01-31.xsd",
      "https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd",
      "https://xbrl.fasb.org/us-gaap/2021/elts/us-types-2021-01-31.xsd",
      "https://xbrl.fasb.org/us-gaap/2021/elts/us-roles-2021-01-31.xsd",
      "https://xbrl.sec.gov/dei/2021/dei-2021.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"
     ]
    }
   },
   "elementCount": 463,
   "entityCount": 1,
   "hidden": {
    "http://www.safebulkers.com/20210930": 2,
    "http://xbrl.sec.gov/dei/2021": 4,
    "total": 6
   },
   "keyCustom": 72,
   "keyStandard": 268,
   "memberCustom": 78,
   "memberStandard": 23,
   "nsprefix": "sb",
   "nsuri": "http://www.safebulkers.com/20210930",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "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.safebulkers.com/role/CoverPage",
     "shortName": "Cover Page",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "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": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2112104 - Disclosure - Vessels, Net",
     "role": "http://www.safebulkers.com/role/VesselsNet",
     "shortName": "Vessels, Net",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:AdvancesForAssetsAcquisitionsAndAssetsUnderConstructionTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2116105 - Disclosure - Advances for Vessels",
     "role": "http://www.safebulkers.com/role/AdvancesforVessels",
     "shortName": "Advances for Vessels",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:AdvancesForAssetsAcquisitionsAndAssetsUnderConstructionTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2119106 - Disclosure - Assets Held for Sale",
     "role": "http://www.safebulkers.com/role/AssetsHeldforSale",
     "shortName": "Assets Held for Sale",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2121107 - Disclosure - Long Term Debt",
     "role": "http://www.safebulkers.com/role/LongTermDebt",
     "shortName": "Long Term Debt",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2126108 - Disclosure - Share Capital",
     "role": "http://www.safebulkers.com/role/ShareCapital",
     "shortName": "Share Capital",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2128109 - Disclosure - Commitments and Contingencies",
     "role": "http://www.safebulkers.com/role/CommitmentsandContingencies",
     "shortName": "Commitments and Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:TimeCharterAndVoyageRevenueTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2132110 - Disclosure - Revenues",
     "role": "http://www.safebulkers.com/role/Revenues",
     "shortName": "Revenues",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:TimeCharterAndVoyageRevenueTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:VesselOperatingExpensesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2136111 - Disclosure - Vessel Operating Expenses",
     "role": "http://www.safebulkers.com/role/VesselOperatingExpenses",
     "shortName": "Vessel Operating Expenses",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:VesselOperatingExpensesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativesAndFairValueTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2139112 - Disclosure - Fair Value of Financial Instruments and Derivatives Instruments",
     "role": "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstruments",
     "shortName": "Fair Value of Financial Instruments and Derivatives Instruments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativesAndFairValueTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:DividendsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2146113 - Disclosure - Dividends",
     "role": "http://www.safebulkers.com/role/Dividends",
     "shortName": "Dividends",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:DividendsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001002 - Statement - Unaudited Interim Condensed Consolidated Balance Sheets",
     "role": "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets",
     "shortName": "Unaudited Interim Condensed Consolidated Balance Sheets",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "us-gaap:DepositsAssetsCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2148114 - Disclosure - (Loss)/Earnings Per Share",
     "role": "http://www.safebulkers.com/role/LossEarningsPerShare",
     "shortName": "(Loss)/Earnings Per Share",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:EarningsPerShareTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2151115 - Disclosure - Subsequent Events",
     "role": "http://www.safebulkers.com/role/SubsequentEvents",
     "shortName": "Subsequent Events",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2206201 - Disclosure - Significant Accounting Policies (Policies)",
     "role": "http://www.safebulkers.com/role/SignificantAccountingPoliciesPolicies",
     "shortName": "Significant Accounting Policies (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:ScheduleOfSubsidiariesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2302301 - Disclosure - Basis of Presentation and General Information (Tables)",
     "role": "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationTables",
     "shortName": "Basis of Presentation and General Information (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:ScheduleOfSubsidiariesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2308302 - Disclosure - Transactions with Related Parties (Tables)",
     "role": "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTables",
     "shortName": "Transactions with Related Parties (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:ScheduleOfVesselsNetTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2313303 - Disclosure - Vessels, Net (Tables)",
     "role": "http://www.safebulkers.com/role/VesselsNetTables",
     "shortName": "Vessels, Net (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:ScheduleOfVesselsNetTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:AdvancesForVesselAcquisitionsAndVesselsUnderConstructionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2317304 - Disclosure - Advances for Vessels (Tables)",
     "role": "http://www.safebulkers.com/role/AdvancesforVesselsTables",
     "shortName": "Advances for Vessels (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:AdvancesForVesselAcquisitionsAndVesselsUnderConstructionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2322305 - Disclosure - Long Term Debt (Tables)",
     "role": "http://www.safebulkers.com/role/LongTermDebtTables",
     "shortName": "Long Term Debt (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDebtTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:CommitmentsUnderShipbuildingContractsAndMemorandumsOfAgreementTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2329306 - Disclosure - Commitments and Contingencies (Tables)",
     "role": "http://www.safebulkers.com/role/CommitmentsandContingenciesTables",
     "shortName": "Commitments and Contingencies (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:CommitmentsUnderShipbuildingContractsAndMemorandumsOfAgreementTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2333307 - Disclosure - Revenues (Tables)",
     "role": "http://www.safebulkers.com/role/RevenuesTables",
     "shortName": "Revenues (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommonStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002003 - Statement - Unaudited Interim Condensed Consolidated Balance Sheets (Parenthetical)",
     "role": "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical",
     "shortName": "Unaudited Interim Condensed Consolidated Balance Sheets (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": {
      "ancestors": [
       "us-gaap:PreferredStockParOrStatedValuePerShare",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "INF",
      "lang": "en-US",
      "name": "us-gaap:PreferredStockParOrStatedValuePerShare",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     }
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:VesselOperatingExpensesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2337308 - Disclosure - Vessel Operating Expenses (Tables)",
     "role": "http://www.safebulkers.com/role/VesselOperatingExpensesTables",
     "shortName": "Vessel Operating Expenses (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:VesselOperatingExpensesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInterestRateDerivativesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2340309 - Disclosure - Fair Value of Financial Instruments and Derivatives Instruments (Tables)",
     "role": "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsTables",
     "shortName": "Fair Value of Financial Instruments and Derivatives Instruments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfInterestRateDerivativesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2349310 - Disclosure - (Loss)/Earnings Per Share (Tables)",
     "role": "http://www.safebulkers.com/role/LossEarningsPerShareTables",
     "shortName": "(Loss)/Earnings Per Share (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfSubsidiaries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "subsidiary",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2403401 - Disclosure - Basis of Presentation and General Information - Additional Information (Details)",
     "role": "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationAdditionalInformationDetails",
     "shortName": "Basis of Presentation and General Information - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfSubsidiaries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "subsidiary",
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i7556ce0c6e7d42c1b8df317e3219c1d4_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:CumulativeRedeemablePerpetualPreferredEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404402 - Disclosure - Basis of Presentation and General Information - Schedule of Subsidiaries (Details)",
     "role": "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
     "shortName": "Basis of Presentation and General Information - Schedule of Subsidiaries (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i7556ce0c6e7d42c1b8df317e3219c1d4_I20180630",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:CumulativeRedeemablePerpetualPreferredEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i1ad62146090e4f829908870bd0af4adc_D20210529-20210529",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:ManagementAgreementTerm",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409403 - Disclosure - Transactions with Related Parties - The Managers (Details)",
     "role": "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTheManagersDetails",
     "shortName": "Transactions with Related Parties - The Managers (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i1ad62146090e4f829908870bd0af4adc_D20210529-20210529",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "sb:ManagementAgreementTerm",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2410404 - Disclosure - Transactions with Related Parties - Schedule of Fees Charged by Managers (Details)",
     "role": "http://www.safebulkers.com/role/TransactionswithRelatedPartiesScheduleofFeesChargedbyManagersDetails",
     "shortName": "Transactions with Related Parties - Schedule of Fees Charged by Managers (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "sb:SupervisionFeesExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfVesselsAsCollateralForDebt",
      "reportCount": 1,
      "unitRef": "vessel",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2411405 - Disclosure - Transactions with Related Parties - Credit Facility (Details)",
     "role": "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails",
     "shortName": "Transactions with Related Parties - Credit Facility (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i02a5a511653c431cb49411319b4c9fc8_I20210630",
      "decimals": "INF",
      "lang": "en-US",
      "name": "sb:NumberOfVesselsFinancedByCreditFacility",
      "reportCount": 1,
      "unique": true,
      "unitRef": "vessel",
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sb:ScheduleOfVesselsNetTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "ieeab2b3951c04caaa95c47e0d83fd1db_I20201231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2414406 - Disclosure - Vessels, Net - Schedule of Vessels (Details)",
     "role": "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails",
     "shortName": "Vessels, Net - Schedule of Vessels (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sb:ScheduleOfVesselsNetTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "ieeab2b3951c04caaa95c47e0d83fd1db_I20201231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:PropertyPlantAndEquipmentGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "sb:NumberOfImpairedVessels",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfImpairedVessels",
      "reportCount": 1,
      "unique": true,
      "unitRef": "vessel",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2415407 - Disclosure - Vessels, Net - Additional Information (Details)",
     "role": "http://www.safebulkers.com/role/VesselsNetAdditionalInformationDetails",
     "shortName": "Vessels, Net - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "sb:NumberOfImpairedVessels",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfImpairedVessels",
      "reportCount": 1,
      "unique": true,
      "unitRef": "vessel",
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:TimeCharterAndVoyageRevenue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003004 - Statement - Unaudited Interim Condensed Consolidated Statements of Operations",
     "role": "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations",
     "shortName": "Unaudited Interim Condensed Consolidated Statements of Operations",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "sb:Commissions",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "ieeab2b3951c04caaa95c47e0d83fd1db_I20201231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:AdvancesForAssetsAcquisitionAndAssetsUnderConstruction",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418408 - Disclosure - Advances for Vessels - Schedule of Advances for Vessel Acquisition and Vessels under Construction (Details)",
     "role": "http://www.safebulkers.com/role/AdvancesforVesselsScheduleofAdvancesforVesselAcquisitionandVesselsunderConstructionDetails",
     "shortName": "Advances for Vessels - Schedule of Advances for Vessel Acquisition and Vessels under Construction (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sb:AdvancesForVesselAcquisitionsAndVesselsUnderConstructionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "sb:AdvancesPaidCapitalizedExpensesAndInterestAndAccruedVesselCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2420409 - Disclosure - Assets Held for Sale (Details)",
     "role": "http://www.safebulkers.com/role/AssetsHeldforSaleDetails",
     "shortName": "Assets Held for Sale (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i8dd03c93ad59429cbccd698e8d3ce418_D20210601-20210930",
      "decimals": "INF",
      "lang": "en-US",
      "name": "sb:NumberOfMemorandaOfAgreementEnteredWithUnrelatedThirdParties",
      "reportCount": 1,
      "unique": true,
      "unitRef": "agreement",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebt",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2423410 - Disclosure - Long Term Debt - Schedule of Debt (Details)",
     "role": "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails",
     "shortName": "Long Term Debt - Schedule of Debt (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtCurrent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:RepaymentOfLongTermDebtPrepaid",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2424411 - Disclosure - Long Term Debt - Additional Information (Details)",
     "role": "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
     "shortName": "Long Term Debt - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:RepaymentOfLongTermDebtPrepaid",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2425412 - Disclosure - Long Term Debt - Annual Principal Payments (Details)",
     "role": "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails",
     "shortName": "Long Term Debt - Annual Principal Payments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "us-gaap:CommonStockSharesAuthorized",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommonStockSharesAuthorized",
      "reportCount": 1,
      "unitRef": "shares",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2427413 - Disclosure - Share Capital (Details)",
     "role": "http://www.safebulkers.com/role/ShareCapitalDetails",
     "shortName": "Share Capital (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i2a714916240a4cf69c6ac89531460f31_D20210501-20210531",
      "decimals": "-5",
      "lang": "en-US",
      "name": "sb:SaleOfStockGrossOfferingProceedsOfSharesAuthorizedToBeSold",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2430414 - Disclosure - Commitments and Contingencies - Schedule of Capital Expenditure Commitments (Details)",
     "role": "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails",
     "shortName": "Commitments and Contingencies - Schedule of Capital Expenditure Commitments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:InsuranceMaximumAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2431415 - Disclosure - Commitments and Contingencies - Additional Information (Details)",
     "role": "http://www.safebulkers.com/role/CommitmentsandContingenciesAdditionalInformationDetails",
     "shortName": "Commitments and Contingencies - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:InsuranceMaximumAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:TimeCharterRevenue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2434416 - Disclosure - Revenues - Revenues (Details)",
     "role": "http://www.safebulkers.com/role/RevenuesRevenuesDetails",
     "shortName": "Revenues - Revenues (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "sb:VoyageCharterRevenue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "sb:TimeCharterRevenue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2435417 - Disclosure - Revenues - Additional Information (Details)",
     "role": "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails",
     "shortName": "Revenues - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "sb:TimeCharterRevenueFromPremiumForUseOfScrubbers",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3e9b352f360940138b646c4b6409bcb8_I20191231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004005 - Statement - Unaudited Interim Condensed Consolidated Statements of Shareholders' Equity",
     "role": "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity",
     "shortName": "Unaudited Interim Condensed Consolidated Statements of Shareholders' Equity",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3e9b352f360940138b646c4b6409bcb8_I20191231",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sb:VesselOperatingExpensesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CostDirectLabor",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2438418 - Disclosure - Vessel Operating Expenses - Schedule of Operating Expenses (Details)",
     "role": "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails",
     "shortName": "Vessel Operating Expenses - Schedule of Operating Expenses (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "sb:VesselOperatingExpensesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CostDirectLabor",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i43762f8bf591430a87b60a7a07e5e05a_I20210930",
      "decimals": "5",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeFixedInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2441419 - Disclosure - Fair Value of Financial Instruments and Derivatives Instruments - Details of Interest Rate Swap Transactions (Details)",
     "role": "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
     "shortName": "Fair Value of Financial Instruments and Derivatives Instruments - Details of Interest Rate Swap Transactions (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i43762f8bf591430a87b60a7a07e5e05a_I20210930",
      "decimals": "5",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeFixedInterestRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i823fe4d504c347cb9b5a474f55f69635_D20210201-20210228",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:BunkerFuelAnnualTonnes",
      "reportCount": 1,
      "unique": true,
      "unitRef": "tonne",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2442420 - Disclosure - Fair Value of Financial Instruments and Derivatives Instruments - Additional Information (Details)",
     "role": "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
     "shortName": "Fair Value of Financial Instruments and Derivatives Instruments - Additional Information (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i823fe4d504c347cb9b5a474f55f69635_D20210201-20210228",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:BunkerFuelAnnualTonnes",
      "reportCount": 1,
      "unique": true,
      "unitRef": "tonne",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeAssetsCurrent",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2443421 - Disclosure - Fair Value of Financial Instruments and Derivatives Instruments - Derivatives Not Designated as Hedging Instruments (Details)",
     "role": "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
     "shortName": "Fair Value of Financial Instruments and Derivatives Instruments - Derivatives Not Designated as Hedging Instruments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "ieb1ecfceaee34149bc205fe2f13bc1fe_I20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "us-gaap:DerivativeAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2444422 - Disclosure - Fair Value of Financial Instruments and Derivatives Instruments - Amount of Gain / (Loss) Recognized on Derivatives (Details)",
     "role": "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
     "shortName": "Fair Value of Financial Instruments and Derivatives Instruments - Amount of Gain / (Loss) Recognized on Derivatives (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i2ef906124ec44c58b22ecda2d70e04d0_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeFairValueOfDerivativeAsset",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2445423 - Disclosure - Fair Value of Financial Instruments and Derivatives Instruments - Valuation of Company's Financial Instruments (Details)",
     "role": "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails",
     "shortName": "Fair Value of Financial Instruments and Derivatives Instruments - Valuation of Company's Financial Instruments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i2ef906124ec44c58b22ecda2d70e04d0_I20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeFairValueOfDerivativeAsset",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "sb:NumberOfQuartersOfDividendPayments",
       "sb:NumberOfQuartersOfDividendPayments",
       "sb:NumberOfDividendsDeclared",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i727bc7404e494f4d89b8ff2570bf14f3_D20210101-20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfDividendsDeclared",
      "reportCount": 1,
      "unique": true,
      "unitRef": "dividend",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2447424 - Disclosure - Dividends (Details)",
     "role": "http://www.safebulkers.com/role/DividendsDetails",
     "shortName": "Dividends (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "sb:NumberOfQuartersOfDividendPayments",
       "sb:NumberOfQuartersOfDividendPayments",
       "sb:NumberOfDividendsDeclared",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i727bc7404e494f4d89b8ff2570bf14f3_D20210101-20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfDividendsDeclared",
      "reportCount": 1,
      "unique": true,
      "unitRef": "dividend",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2450425 - Disclosure - (Loss)/Earnings Per Share - Schedule of Computation of (Loss)/Earnings Per Share (Details)",
     "role": "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
     "shortName": "(Loss)/Earnings Per Share - Schedule of Computation of (Loss)/Earnings Per Share (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "id434b3c765de43b6a13ba32cd49e0c38_I20210930",
      "decimals": "INF",
      "first": true,
      "lang": "en-US",
      "name": "sb:NumberOfVesselsAsCollateralForDebt",
      "reportCount": 1,
      "unitRef": "vessel",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2452426 - Disclosure - Subsequent Events (Details)",
     "role": "http://www.safebulkers.com/role/SubsequentEventsDetails",
     "shortName": "Subsequent Events (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "ibe10da4f00f14b558425c18df3e41b19_I20211031",
      "decimals": "-5",
      "lang": "en-US",
      "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005006 - Statement - Unaudited Interim Condensed Consolidated Statements of Cash Flows",
     "role": "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows",
     "shortName": "Unaudited Interim Condensed Consolidated Statements of Cash Flows",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "td",
       "tr",
       "table",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": "-3",
      "lang": "en-US",
      "name": "us-gaap:UnrealizedGainLossOnDerivatives",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2101101 - Disclosure - Basis of Presentation and General Information",
     "role": "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformation",
     "shortName": "Basis of Presentation and General Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2105102 - Disclosure - Significant Accounting Policies",
     "role": "http://www.safebulkers.com/role/SignificantAccountingPolicies",
     "shortName": "Significant Accounting Policies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "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": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2107103 - Disclosure - Transactions with Related Parties",
     "role": "http://www.safebulkers.com/role/TransactionswithRelatedParties",
     "shortName": "Transactions with Related Parties",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "sb-20210930.htm",
      "contextRef": "i3ffd856a91d74b8081a8c2fc03953c92_D20210101-20210930",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 109,
   "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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]",
        "terseLabel": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "dateItemType"
    },
    "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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "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/2021",
     "presentation": [
      "http://www.safebulkers.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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine3": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Address Line 3 such as an Office Park",
        "label": "Entity Address, Address Line Three",
        "terseLabel": "Entity Address, Address Line Three"
       }
      }
     },
     "localname": "EntityAddressAddressLine3",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.safebulkers.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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCountry": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "ISO 3166-1 alpha-2 country code.",
        "label": "Entity Address, Country",
        "terseLabel": "Entity Address, Country"
       }
      }
     },
     "localname": "EntityAddressCountry",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "countryCodeItemType"
    },
    "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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r424"
     ],
     "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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.",
        "label": "Entity [Domain]",
        "terseLabel": "Entity [Domain]"
       }
      }
     },
     "localname": "EntityDomain",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r424"
     ],
     "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/2021",
     "presentation": [
      "http://www.safebulkers.com/role/CoverPage"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_LegalEntityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The set of legal entities associated with a report.",
        "label": "Legal Entity [Axis]",
        "terseLabel": "Legal Entity [Axis]"
       }
      }
     },
     "localname": "LegalEntityAxis",
     "nsuri": "http://xbrl.sec.gov/dei/2021",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "sb_A2020AugustATMProgramMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "2020 August ATM Program",
        "label": "2020 August ATM Program [Member]",
        "terseLabel": "2020 August ATM Program"
       }
      }
     },
     "localname": "A2020AugustATMProgramMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_AdvancesForAssetsAcquisitionAndAssetsUnderConstruction": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "sb_FixedAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gross amount, at the balance sheet date, of long-lived assets under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service and advances and costs paid for assets under acquisition that have not been completed and delivered and not ready to be placed into service as at the balance sheet date.",
        "label": "Advances For Assets Acquisitions And Assets Under Construction",
        "periodEndLabel": "Advances for vessels, ending balance",
        "periodStartLabel": "Advances for vessels, beginning balance",
        "verboseLabel": "Advances for vessels"
       }
      }
     },
     "localname": "AdvancesForAssetsAcquisitionAndAssetsUnderConstruction",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AdvancesforVesselsScheduleofAdvancesforVesselAcquisitionandVesselsunderConstructionDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_AdvancesForAssetsAcquisitionsAndAssetsUnderConstructionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Advances For Assets Acquisitions And Assets Under Construction [Abstract]",
        "terseLabel": "Advances For Assets Acquisition And Assets Under Construction"
       }
      }
     },
     "localname": "AdvancesForAssetsAcquisitionsAndAssetsUnderConstructionAbstract",
     "nsuri": "http://www.safebulkers.com/20210930",
     "xbrltype": "stringItemType"
    },
    "sb_AdvancesForAssetsAcquisitionsAndAssetsUnderConstructionTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This element represents the disclosure for the gross amount of, advances for vessel acquisition and costs and advances paid for assets under construction that are not ready to be placed into service and that have not been completed and delivered including capitalized expenses and interest, asset cancellations and transfers to vessel cost.",
        "label": "Advances For Assets Acquisitions And Assets Under Construction [Text Block]",
        "terseLabel": "Advances for Vessels"
       }
      }
     },
     "localname": "AdvancesForAssetsAcquisitionsAndAssetsUnderConstructionTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AdvancesforVessels"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_AdvancesForAssetsAcquisitionsTransfersAndChanges": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Advances For Assets Acquisitions, Transfers And Changes",
        "label": "Advances For Assets Acquisitions, Transfers And Changes",
        "negatedLabel": "Transferred to vessel cost"
       }
      }
     },
     "localname": "AdvancesForAssetsAcquisitionsTransfersAndChanges",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AdvancesforVesselsScheduleofAdvancesforVesselAcquisitionandVesselsunderConstructionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_AdvancesForVesselAcquisitionsAndVesselsUnderConstructionTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the gross amounts of long-lived assets under construction that includes construction costs, advances paid for vessels acquisition and vessels under construction, including capitalized expenses and interest, that have not been completed and delivered and not ready to be placed into service and transfers to vessels cost of vessels acquisitions and vessels under construction that have been completed and delivered and placed into service during the reporting period.",
        "label": "Advances For Vessel Acquisitions And Vessels Under Construction [Table Text Block]",
        "terseLabel": "Advances for Vessel Acquisition and Vessels under Construction"
       }
      }
     },
     "localname": "AdvancesForVesselAcquisitionsAndVesselsUnderConstructionTableTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AdvancesforVesselsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_AdvancesPaidCapitalizedExpensesAndInterestAndAccruedVesselCost": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Advances paid for vessels acquisitions, vessels under construction and vessel improvements and comprise payments of instalments that were due to the respective shipyard or third-party sellers, capitalized interest, certain capitalized expenses and expenditures for major improvements and regulatory compliance.",
        "label": "Advances Paid Capitalized Expenses And Interest And Accrued Vessel Cost",
        "terseLabel": "Additions for advances, including capitalized expenses and interest"
       }
      }
     },
     "localname": "AdvancesPaidCapitalizedExpensesAndInterestAndAccruedVesselCost",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AdvancesforVesselsScheduleofAdvancesforVesselAcquisitionandVesselsunderConstructionDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_April2019Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "April 2019",
        "label": "April 2019 [Member]",
        "terseLabel": "April 2019"
       }
      }
     },
     "localname": "April2019Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_April2021Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "April 2021",
        "label": "April 2021 [Member]",
        "terseLabel": "April 2021"
       }
      }
     },
     "localname": "April2021Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_August2021Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "August 2021",
        "label": "August 2021 [Member]",
        "terseLabel": "August 2021"
       }
      }
     },
     "localname": "August2021Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_AvstesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Avstes [Member]",
        "verboseLabel": "Avstes"
       }
      }
     },
     "localname": "AvstesMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_BunkerFuelAnnualTonnes": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Bunker Fuel, Annual Tonnes",
        "label": "Bunker Fuel, Annual Tonnes",
        "terseLabel": "Bunker fuel, annual tonnes"
       }
      }
     },
     "localname": "BunkerFuelAnnualTonnes",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_BunkerFuelContractsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Bunker Fuel Contracts [Member]",
        "label": "Bunker Fuel Contracts [Member]",
        "terseLabel": "Bunker Fuel Contracts"
       }
      }
     },
     "localname": "BunkerFuelContractsMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_BunkerFuelMonthlyTonnes": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Bunker Fuel, Monthly Tonnes",
        "label": "Bunker Fuel, Monthly Tonnes",
        "terseLabel": "Bunker fuel, monthly tonnes"
       }
      }
     },
     "localname": "BunkerFuelMonthlyTonnes",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_BunkerFuelSulphurContent": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Bunker Fuel, Sulphur Content",
        "label": "Bunker Fuel, Sulphur Content",
        "terseLabel": "Bunker fuel, sulphur content"
       }
      }
     },
     "localname": "BunkerFuelSulphurContent",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sb_CommissionFeesExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commission Fees Expense",
        "label": "Commission Fees Expense",
        "terseLabel": "Commissions"
       }
      }
     },
     "localname": "CommissionFeesExpense",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesScheduleofFeesChargedbyManagersDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_Commissions": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "sb_NetRevenues",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Commissions (address and brokerage) reflect payments, made to third-party brokers or our charterers, directly related to our revenues from which they are deducted, regardless of charter type, deferred and amortized over the related charter period presented as a separate line item.",
        "label": "Commissions",
        "negatedLabel": "Commissions"
       }
      }
     },
     "localname": "Commissions",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_CommitmentsUnderShipbuildingContractsAndMemorandumsOfAgreementTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the existing obligations and commitments under shipbuilding contracts and memorandums of agreement for the construction and acquisition of newbuild vessels as well as the settlement schedule of these commitments.",
        "label": "Commitments Under Shipbuilding Contracts And Memorandums Of Agreement [Table Text Block]",
        "terseLabel": "Commitments under Shipbuilding Contracts and Memorandums of Agreement"
       }
      }
     },
     "localname": "CommitmentsUnderShipbuildingContractsAndMemorandumsOfAgreementTableTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_CostOfLubricants": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_OperatingCostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Lubricant costs incurred that are directly related to goods produced and sold and services rendered during the reporting period.",
        "label": "Cost Of Lubricants",
        "terseLabel": "Lubricants"
       }
      }
     },
     "localname": "CostOfLubricants",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_CostOfPropertyRepairsMaintenanceAndDrydockingCosts": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_OperatingCostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate costs of keeping the property in good condition including the repairs, maintenance and drydocking costs.",
        "label": "Cost Of Property Repairs Maintenance And Drydocking Costs",
        "terseLabel": "Repairs, maintenance and drydocking costs"
       }
      }
     },
     "localname": "CostOfPropertyRepairsMaintenanceAndDrydockingCosts",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_CumulativeRedeemablePerpetualPreferredEquity": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of subscription receivable from investors for cumulative redeemable perpetual preferred equity.",
        "label": "Cumulative Redeemable Perpetual Preferred Equity",
        "terseLabel": "Cumulative redeemable perpetual preferred equity"
       }
      }
     },
     "localname": "CumulativeRedeemablePerpetualPreferredEquity",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_DebtIssuanceCostsAssetsHeldForSale": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DeferredFinanceCostsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt Issuance Costs, Assets Held For Sale",
        "label": "Debt Issuance Costs, Assets Held For Sale",
        "terseLabel": "Financing cost, directly associated with asset held for sale"
       }
      }
     },
     "localname": "DebtIssuanceCostsAssetsHeldForSale",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_December2019Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "December 2019",
        "label": "December 2019 [Member]",
        "terseLabel": "December 2019"
       }
      }
     },
     "localname": "December2019Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_DisposalGroupIncludingDiscontinuedOperationBunkersAndLubricantsOnboardCurrent": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disposal Group, Including Discontinued Operation, Bunkers And Lubricants Onboard, Current",
        "label": "Disposal Group, Including Discontinued Operation, Bunkers And Lubricants Onboard, Current",
        "terseLabel": "Carrying value of bunkers and lubricants onboard"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationBunkersAndLubricantsOnboardCurrent",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_DisposalGroupIncludingDiscontinuedOperationLiabilitiesNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 3.0,
       "parentTag": "sb_LongTermDebtNet",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disposal Group, Including Discontinued Operation, Liabilities, Net",
        "label": "Disposal Group, Including Discontinued Operation, Liabilities, Net",
        "terseLabel": "Less: Liability directly associated with asset held for sale net of deferred financing cost"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationLiabilitiesNet",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_DividendsTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This is the disclosure for the declaration and payment of dividends.",
        "label": "Dividends [Text Block]",
        "terseLabel": "Dividends"
       }
      }
     },
     "localname": "DividendsTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/Dividends"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_DueToManagerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Due To Manager",
        "label": "Due To Manager [Member]",
        "terseLabel": "Due to Manager"
       }
      }
     },
     "localname": "DueToManagerMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_DueToShipyardsSellersMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Due To Shipyards Sellers",
        "label": "Due To Shipyards Sellers [Member]",
        "terseLabel": "Due to Shipyards/Sellers"
       }
      }
     },
     "localname": "DueToShipyardsSellersMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_EptaprohiKerasiesMarathassaMarinoukiSoffivePemerPetraMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Eptaprohi, Kerasies, Marathassa, Marinouki, Soffive, Pemer, Petra",
        "label": "Eptaprohi, Kerasies, Marathassa, Marinouki, Soffive, Pemer, Petra [Member]",
        "terseLabel": "Eptaprohi, Kerasies, Marathassa, Marinouki, Soffive, Pemer, Petra"
       }
      }
     },
     "localname": "EptaprohiKerasiesMarathassaMarinoukiSoffivePemerPetraMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_EptaprohiMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Eptaprohi [Member]",
        "terseLabel": "Eptaprohi"
       }
      }
     },
     "localname": "EptaprohiMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_FairValueFinancialInstrumentsAndDerivativeInstruments": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Financial Instruments And Derivative Instruments",
        "terseLabel": "Fair Value Financial Instruments And Derivative Insturments"
       }
      }
     },
     "localname": "FairValueFinancialInstrumentsAndDerivativeInstruments",
     "nsuri": "http://www.safebulkers.com/20210930",
     "xbrltype": "stringItemType"
    },
    "sb_February2016Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "February 2016",
        "label": "February 2016 [Member]",
        "terseLabel": "February 2016"
       }
      }
     },
     "localname": "February2016Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_FixedAssetsNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation and gross amount, at the balance sheet date, of long-lived assets under construction that include construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service and advances and costs paid for assets under acquisition that have not been completed and delivered and not ready to be placed into service as at the balance sheet date.",
        "label": "Fixed Assets Net",
        "totalLabel": "Total fixed assets"
       }
      }
     },
     "localname": "FixedAssetsNet",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_ForwardFreightMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Forward Freight",
        "label": "Forward Freight [Member]",
        "terseLabel": "Forward Freight Agreements"
       }
      }
     },
     "localname": "ForwardFreightMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_GloversixMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gloversix [Member]",
        "label": "Gloversix [Member]",
        "terseLabel": "Gloversix"
       }
      }
     },
     "localname": "GloversixMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_GlovertwoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Glovertwo [Member]",
        "terseLabel": "Glovertwo"
       }
      }
     },
     "localname": "GlovertwoMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_IncreaseInBankTimeDeposits": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gross cash outflow of time deposits.",
        "label": "Increase In Bank Time Deposits",
        "negatedLabel": "Increase in bank time deposits"
       }
      }
     },
     "localname": "IncreaseInBankTimeDeposits",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_IncreaseInMezzanineEquityMeasurement": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Increase In Mezzanine Equity Measurement",
        "label": "Increase In Mezzanine Equity Measurement",
        "terseLabel": "Mezzanine equity measurement"
       }
      }
     },
     "localname": "IncreaseInMezzanineEquityMeasurement",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_InsuranceMaximumAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The maximum amount of the liabilities associated with the individual vessel actions, mainly for sea pollution covered by P&amp;I Club insurance.",
        "label": "Insurance Maximum Amount",
        "terseLabel": "Maximum covered by insurance"
       }
      }
     },
     "localname": "InsuranceMaximumAmount",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_InterestRateSwapExpiringAugust12023Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring August 1, 2023",
        "label": "Interest Rate Swap, Expiring August 1, 2023 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring August 1, 2023"
       }
      }
     },
     "localname": "InterestRateSwapExpiringAugust12023Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringAugust272024Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring August 27, 2024",
        "label": "Interest Rate Swap, Expiring August 27, 2024 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring August 27, 2024"
       }
      }
     },
     "localname": "InterestRateSwapExpiringAugust272024Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringAugust32025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring August 3, 2025",
        "label": "Interest Rate Swap, Expiring August 3, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring August 3, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringAugust32025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringDecember312025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring December 31, 2025",
        "label": "Interest Rate Swap, Expiring December 31, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring December 31, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringDecember312025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJuly12025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring July 1, 2025",
        "label": "Interest Rate Swap, Expiring July 1, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring July 1, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJuly12025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJuly162025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring July 16, 2025",
        "label": "Interest Rate Swap, Expiring July 16, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring July 16, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJuly162025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJuly212026Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring July 21, 2026",
        "label": "Interest Rate Swap, Expiring July 21, 2026 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring May 10, 2026, Fixed Rate 0.829%"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJuly212026Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJuly222026Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring July 22, 2026",
        "label": "Interest Rate Swap, Expiring July 22, 2026 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring May 10, 2026, Fixed Rate 0.770%"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJuly222026Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJuly302025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring July 30, 2025",
        "label": "Interest Rate Swap, Expiring July 30, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring July 30, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJuly302025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJuly92025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring July 9, 2025",
        "label": "Interest Rate Swap, Expiring July 9, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring July 9, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJuly92025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJune112025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring June 11, 2025",
        "label": "Interest Rate Swap, Expiring June 11, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring June 11, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJune112025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJune152025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring June 15, 2025",
        "label": "Interest Rate Swap, Expiring June 15, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring June 15, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJune152025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJune302025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring June 30, 2025",
        "label": "Interest Rate Swap, Expiring June 30, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring June 30, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJune302025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringJune42025Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring June 4, 2025",
        "label": "Interest Rate Swap, Expiring June 4, 2025 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring June 4, 2025"
       }
      }
     },
     "localname": "InterestRateSwapExpiringJune42025Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringMay102026Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring May 10, 2026",
        "label": "Interest Rate Swap, Expiring May 10, 2026 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring May 10, 2026"
       }
      }
     },
     "localname": "InterestRateSwapExpiringMay102026Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringMay52025FixedRate0380InceptionJuly102020Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.380%, Inception July 10, 2020",
        "label": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.380%, Inception July 10, 2020 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.380%, Inception July 10, 2020"
       }
      }
     },
     "localname": "InterestRateSwapExpiringMay52025FixedRate0380InceptionJuly102020Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringMay52025FixedRate0380InceptionJuly142020Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.380%, Inception July 14, 2020",
        "label": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.380%, Inception July 14, 2020 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.380%, Inception July 14, 2020"
       }
      }
     },
     "localname": "InterestRateSwapExpiringMay52025FixedRate0380InceptionJuly142020Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringMay52025FixedRate0400InceptionJuly102020Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.400%, Inception July 10, 2020",
        "label": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.400%, Inception July 10, 2020 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.400%, Inception July 10, 2020"
       }
      }
     },
     "localname": "InterestRateSwapExpiringMay52025FixedRate0400InceptionJuly102020Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringMay52025FixedRate0400InceptionMay52020Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.400%, Inception May 5, 2020",
        "label": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.400%, Inception May 5, 2020 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring May 5, 2025, Fixed Rate 0.400%, Inception May 5, 2020"
       }
      }
     },
     "localname": "InterestRateSwapExpiringMay52025FixedRate0400InceptionMay52020Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringOctober202023Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring October 20, 2023",
        "label": "Interest Rate Swap, Expiring October 20, 2023 [Member]",
        "terseLabel": "Interest Rate Swap, Expiring October 20, 2023"
       }
      }
     },
     "localname": "InterestRateSwapExpiringOctober202023Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringSeptember302024FixedRate0600Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.600%",
        "label": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.600% [Member]",
        "terseLabel": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.600%"
       }
      }
     },
     "localname": "InterestRateSwapExpiringSeptember302024FixedRate0600Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringSeptember302024FixedRate0650Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.650%",
        "label": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.650% [Member]",
        "terseLabel": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.650%"
       }
      }
     },
     "localname": "InterestRateSwapExpiringSeptember302024FixedRate0650Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringSeptember302024FixedRate0800Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.800%",
        "label": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.800% [Member]",
        "terseLabel": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.800%"
       }
      }
     },
     "localname": "InterestRateSwapExpiringSeptember302024FixedRate0800Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringSeptember302024FixedRate0900Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.900%",
        "label": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.900% [Member]",
        "terseLabel": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.900%"
       }
      }
     },
     "localname": "InterestRateSwapExpiringSeptember302024FixedRate0900Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_InterestRateSwapExpiringSeptember302024FixedRate0990Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.990%",
        "label": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.990% [Member]",
        "terseLabel": "Interest Rate Swap, Expiring September 30, 2024, Fixed Rate 0.990%"
       }
      }
     },
     "localname": "InterestRateSwapExpiringSeptember302024FixedRate0990Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_June20212Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "June 2021, 2",
        "label": "June 2021, 2 [Member]",
        "terseLabel": "June 2021, 2"
       }
      }
     },
     "localname": "June20212Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_June2021Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "June 2021",
        "label": "June 2021 [Member]",
        "terseLabel": "June 2021"
       }
      }
     },
     "localname": "June2021Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_KerasiesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Kerasies [Member]",
        "terseLabel": "Kerasies"
       }
      }
     },
     "localname": "KerasiesMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_LongTermDebtCurrentNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 2.0,
       "parentTag": "sb_LongTermDebtNet",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-Term Debt Current Net",
        "terseLabel": "Current portion of long-term debt, net",
        "verboseLabel": "Less:\u00a0\u00a0Current portion of long-term debt, net of current portion of deferred financing costs"
       }
      }
     },
     "localname": "LongTermDebtCurrentNet",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_LongTermDebtNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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, Net",
        "totalLabel": "Total debt, net of deferred financing costs"
       }
      }
     },
     "localname": "LongTermDebtNet",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_LongTermDebtNetOfDeferredFinancingCostsNonCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 1.0,
       "parentTag": "sb_LongTermDebtNet",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-Term Debt, Net Of Deferred Financing Costs, Non-Current",
        "terseLabel": "Long-term debt, net",
        "verboseLabel": "Long-term debt, net of deferred financing costs, non-current"
       }
      }
     },
     "localname": "LongTermDebtNetOfDeferredFinancingCostsNonCurrent",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_MVKoulitsaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "MV Koulitsa",
        "label": "MV Koulitsa [Member]",
        "terseLabel": "MV Koulitsa"
       }
      }
     },
     "localname": "MVKoulitsaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MVPedhoulasFighterMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "MV Pedhoulas Fighter",
        "label": "MV Pedhoulas Fighter [Member]",
        "terseLabel": "MV Pedhoulas Fighter"
       }
      }
     },
     "localname": "MVPedhoulasFighterMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ManagementAgreementAnnualShipManagementFee": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Management Agreement Annual Ship Management Fee",
        "label": "Management Agreement Annual Ship Management Fee",
        "terseLabel": "Flat ship management fee"
       }
      }
     },
     "localname": "ManagementAgreementAnnualShipManagementFee",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTheManagersDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_ManagementAgreementTerm": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Management Agreement, Term",
        "label": "Management Agreement, Term",
        "terseLabel": "Management agreement term"
       }
      }
     },
     "localname": "ManagementAgreementTerm",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTheManagersDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sb_MarathassaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Marathassa [Member]",
        "label": "Marathassa [Member]",
        "terseLabel": "Marathassa"
       }
      }
     },
     "localname": "MarathassaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MarinoukiMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Marinouki [Member]",
        "terseLabel": "Marinouki"
       }
      }
     },
     "localname": "MarinoukiMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaturityOfBankTimeDeposits": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gross cash inflow of time deposits.",
        "label": "Maturity Of Bank Time Deposits",
        "terseLabel": "Maturity of bank time deposits"
       }
      }
     },
     "localname": "MaturityOfBankTimeDeposits",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_MaxdekaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxdeka [Member]",
        "terseLabel": "Maxdeka"
       }
      }
     },
     "localname": "MaxdekaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxdekatriaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxdekatria [Member]",
        "terseLabel": "Maxdekatria"
       }
      }
     },
     "localname": "MaxdekatriaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxeikosiMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxeikosi [Member]",
        "terseLabel": "Maxeikosi"
       }
      }
     },
     "localname": "MaxeikosiMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxeikosienaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxeikosiena [Member]",
        "terseLabel": "Maxeikosiena"
       }
      }
     },
     "localname": "MaxeikosienaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxeikosieptaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maxeikosiepta [Member]",
        "label": "Maxeikosiepta [Member]",
        "terseLabel": "Maxeikosiepta"
       }
      }
     },
     "localname": "MaxeikosieptaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxeikosiexiMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxeikosiexi [Member]",
        "terseLabel": "Maxeikosiexi"
       }
      }
     },
     "localname": "MaxeikosiexiMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxeikositesseraMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxeikositessera [Member]",
        "terseLabel": "Maxeikositessera"
       }
      }
     },
     "localname": "MaxeikositesseraMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxeikositriaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxeikositria [Member]",
        "terseLabel": "Maxeikositria"
       }
      }
     },
     "localname": "MaxeikositriaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxentekaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxenteka [Member]",
        "terseLabel": "Maxenteka"
       }
      }
     },
     "localname": "MaxentekaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxpenteMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxpente [Member]",
        "terseLabel": "Maxpente"
       }
      }
     },
     "localname": "MaxpenteMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MaxtesseraMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maxtessera [Member]",
        "terseLabel": "Maxtessera"
       }
      }
     },
     "localname": "MaxtesseraMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_MonagrouliMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Monagrouli",
        "label": "Monagrouli [Member]",
        "terseLabel": "Monagrouli"
       }
      }
     },
     "localname": "MonagrouliMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_NetRevenues": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 6.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenues net of commissions",
        "label": "Net Revenues",
        "totalLabel": "Net revenues"
       }
      }
     },
     "localname": "NetRevenues",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_November2014Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "November 2014",
        "label": "November 2014 [Member]",
        "terseLabel": "November 2014"
       }
      }
     },
     "localname": "November2014Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_November2018Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "November 2018",
        "label": "November 2018 [Member]",
        "terseLabel": "November 2018"
       }
      }
     },
     "localname": "November2018Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_NumberOfDividendsDeclared": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Dividends Declared",
        "label": "Number Of Dividends Declared",
        "terseLabel": "Number of dividends declared"
       }
      }
     },
     "localname": "NumberOfDividendsDeclared",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfDrybulkVessels": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of drybulk vessels owned and operated as of period end",
        "label": "Number Of Drybulk Vessels",
        "terseLabel": "Number of drybulk vessels"
       }
      }
     },
     "localname": "NumberOfDrybulkVessels",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfImpairedVessels": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Impaired Vessels",
        "label": "Number Of Impaired Vessels",
        "terseLabel": "Number of impaired vessels"
       }
      }
     },
     "localname": "NumberOfImpairedVessels",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfMemorandaOfAgreementEnteredWithUnrelatedThirdParties": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Memoranda Of Agreement Entered With Unrelated Third Parties",
        "label": "Number Of Memoranda Of Agreement Entered With Unrelated Third Parties",
        "terseLabel": "Number of Memoranda of Agreement entered with unrelated third parties"
       }
      }
     },
     "localname": "NumberOfMemorandaOfAgreementEnteredWithUnrelatedThirdParties",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sb_NumberOfQuartersOfDividendPayments": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of quarters during the current period on which the company declared and paid dividends.",
        "label": "Number Of Quarters Of Dividend Payments",
        "terseLabel": "Number of quarters, dividend payments"
       }
      }
     },
     "localname": "NumberOfQuartersOfDividendPayments",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfSubsidiaries": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number of subsidiaries owned by the entity.",
        "label": "Number Of Subsidiaries",
        "terseLabel": "Number of subsidiaries"
       }
      }
     },
     "localname": "NumberOfSubsidiaries",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationAdditionalInformationDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sb_NumberOfVesselsAsCollateralForDebt": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number Of Vessels As Collateral For Debt",
        "terseLabel": "Number of vessels provided as collateral"
       }
      }
     },
     "localname": "NumberOfVesselsAsCollateralForDebt",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails",
      "http://www.safebulkers.com/role/VesselsNetAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfVesselsAsCollateralForDebtCreditFacility": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Vessels As Collateral For Debt, Credit Facility",
        "label": "Number Of Vessels As Collateral For Debt, Credit Facility",
        "terseLabel": "Number of vessels provided as collateral, credit facility"
       }
      }
     },
     "localname": "NumberOfVesselsAsCollateralForDebtCreditFacility",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfVesselsDebtFree": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Vessels Debt Free",
        "label": "Number Of Vessels Debt Free",
        "terseLabel": "Number of vessels debt free"
       }
      }
     },
     "localname": "NumberOfVesselsDebtFree",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfVesselsEmployedUnderVoyageCharter": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Vessels Employed Under Voyage Charter",
        "label": "Number Of Vessels Employed Under Voyage Charter",
        "terseLabel": "Number of vessels employed under voyage charter"
       }
      }
     },
     "localname": "NumberOfVesselsEmployedUnderVoyageCharter",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_NumberOfVesselsFinancedByCreditFacility": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Vessels Financed By Credit Facility",
        "label": "Number Of Vessels Financed By Credit Facility",
        "terseLabel": "Number of vessels financed by credit facility"
       }
      }
     },
     "localname": "NumberOfVesselsFinancedByCreditFacility",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "decimalItemType"
    },
    "sb_NumberOfVesselsSoldAndLeasedBack": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Number Of Vessels Sold And Leased Back",
        "label": "Number Of Vessels Sold And Leased Back",
        "terseLabel": "Number of vessels sold and leased back"
       }
      }
     },
     "localname": "NumberOfVesselsSoldAndLeasedBack",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_OtherCommitmentsMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Other Commitments",
        "label": "Other Commitments [Member]",
        "terseLabel": "Other Commitments"
       }
      }
     },
     "localname": "OtherCommitmentsMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_OtherExpenseIncomeOnDerivatesMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Expense Income On Derivates [Member]",
        "terseLabel": "Other expense income on derivatives"
       }
      }
     },
     "localname": "OtherExpenseIncomeOnDerivatesMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_OtherNoncurrentAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Noncurrent Assets [Abstract]",
        "terseLabel": "OTHER NON CURRENT ASSETS:"
       }
      }
     },
     "localname": "OtherNoncurrentAssetsAbstract",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "sb_PeleaVasstwoEniaprohiVassoneMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pelea, Vasstwo, Eniaprohi, Vassone [Member]",
        "label": "Pelea, Vasstwo, Eniaprohi, Vassone [Member]",
        "terseLabel": "Pelea, Vasstwo, Eniaprohi, Vassone"
       }
      }
     },
     "localname": "PeleaVasstwoEniaprohiVassoneMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_PemerMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pemer [Member]",
        "terseLabel": "Pemer"
       }
      }
     },
     "localname": "PemerMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_PentakomoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pentakomo [Member]",
        "label": "Pentakomo [Member]",
        "terseLabel": "Pentakomo"
       }
      }
     },
     "localname": "PentakomoMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_PetraMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Petra [Member]",
        "terseLabel": "Petra"
       }
      }
     },
     "localname": "PetraMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_PinewoodMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pinewood [Member]",
        "label": "Pinewood [Member]",
        "terseLabel": "Pinewood"
       }
      }
     },
     "localname": "PinewoodMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_PreferredStockDividendsPerShareCashPaidQuarterly": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Dividends paid quarterly for each share of preferred stock outstanding.",
        "label": "Preferred Stock Dividends Per Share Cash Paid Quarterly",
        "terseLabel": "Preferred stock dividends, cash paid quarterly (in USD per share)"
       }
      }
     },
     "localname": "PreferredStockDividendsPerShareCashPaidQuarterly",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "sb_PremiumForUseOfScrubbersSulfurContent": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Premium For Use Of Scrubbers, Sulfur Content",
        "label": "Premium For Use Of Scrubbers, Sulfur Content",
        "terseLabel": "Premium for use of scrubbers, sulfur content"
       }
      }
     },
     "localname": "PremiumForUseOfScrubbersSulfurContent",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "sb_PropertyPlantAndEquipmentCollateralForDebt": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The carrying amount, as of the date of the latest financial statement presented, of vessels that are pledged as collateral to secure the related debt obligations.",
        "label": "Property Plant And Equipment Collateral For Debt",
        "terseLabel": "Vessels provided as collateral"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentCollateralForDebt",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_PropertyPlantAndEquipmentForVesselsSoldAndLeasedBack": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The carrying amount, as of the date of the latest financial statement presented, of vessels formerly owned by our respective subsidiaries that had been sold to third parties and taken back on a bareboat charter basis with either an obligation to purchase them back at the end of the respective charter period or an option to buy them during the respective charter period.",
        "label": "Property Plant And Equipment For Vessels Sold And Leased Back",
        "terseLabel": "Carrying value of vessels sold and leased back"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentForVesselsSoldAndLeasedBack",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_PropertyPlantAndEquipmentTransfersToAssetsHeldForSale": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Property, Plant And Equipment, Transfers To Assets Held For Sale",
        "label": "Property, Plant And Equipment, Transfers To Assets Held For Sale",
        "negatedTerseLabel": "Transfer to Assets Held for Sale (Note 6)"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTransfersToAssetsHeldForSale",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_PropertyPlantAndEquipmentTransfersToAssetsHeldForSaleNet": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Property, Plant And Equipment, Transfers To Assets Held For Sale, Net",
        "label": "Property, Plant And Equipment, Transfers To Assets Held For Sale, Net",
        "negatedTerseLabel": "Transfer to Assets Held for Sale (Note 6)"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTransfersToAssetsHeldForSaleNet",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_PublicCompanyExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 7.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The aggregate total of public company expenses incurred in relation to our operation as a public company such as professional fees, compensation paid to our directors and officers, listing fees and other miscellaneous expenses.",
        "label": "Public Company Expenses",
        "negatedLabel": "Company administration expenses"
       }
      }
     },
     "localname": "PublicCompanyExpenses",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_RepaymentOfLongTermDebtPrepaid": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Repayment Of Long-Term Debt, Prepaid",
        "label": "Repayment Of Long-Term Debt, Prepaid",
        "terseLabel": "Repayment of long-term debt, amount prepaid"
       }
      }
     },
     "localname": "RepaymentOfLongTermDebtPrepaid",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_RepaymentOfLongTermDebtPrinciplePayments": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Repayment Of Long-Term Debt, Principle Payments",
        "label": "Repayment Of Long-Term Debt, Principle Payments",
        "terseLabel": "Repayment of long-term debt, principle payments"
       }
      }
     },
     "localname": "RepaymentOfLongTermDebtPrinciplePayments",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_SaleAndLeasebackAgreementVesselRepurchasedAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale And Leaseback Agreement, Vessel Repurchased, Amount",
        "label": "Sale And Leaseback Agreement, Vessel Repurchased, Amount",
        "terseLabel": "Repurchase amount under the sale and leaseback agreement"
       }
      }
     },
     "localname": "SaleAndLeasebackAgreementVesselRepurchasedAmount",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_SaleAndLeasebackAgreementVesselRepurchasedNumber": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale And Leaseback Agreement, Vessel Repurchased, Number",
        "label": "Sale And Leaseback Agreement, Vessel Repurchased, Number",
        "terseLabel": "Number of vessel repurchased under the sale and leaseback agreement"
       }
      }
     },
     "localname": "SaleAndLeasebackAgreementVesselRepurchasedNumber",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "sb_SaleLeasebackTransactionLeaseTerm": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale Leaseback Transaction, Lease Term",
        "label": "Sale Leaseback Transaction, Lease Term",
        "terseLabel": "Sale and leaseback, lease term"
       }
      }
     },
     "localname": "SaleLeasebackTransactionLeaseTerm",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sb_SaleLeasebackTransactionPurchaseObligationPeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale Leaseback Transaction, Purchase Obligation Period",
        "label": "Sale Leaseback Transaction, Purchase Obligation Period",
        "terseLabel": "Sale and leaseback, purchase obligation, period"
       }
      }
     },
     "localname": "SaleLeasebackTransactionPurchaseObligationPeriod",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sb_SaleLeasebackTransactionRepurchasePeriod": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale Leaseback Transaction, Repurchase Period",
        "label": "Sale Leaseback Transaction, Repurchase Period",
        "terseLabel": "Sale and leaseback, repurchase period"
       }
      }
     },
     "localname": "SaleLeasebackTransactionRepurchasePeriod",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sb_SaleOfStockConsiderationReceivedOnTransactionGross": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale Of Stock, Consideration Received On Transaction, Gross",
        "label": "Sale Of Stock, Consideration Received On Transaction, Gross",
        "terseLabel": "Consideration received on sale of stock"
       }
      }
     },
     "localname": "SaleOfStockConsiderationReceivedOnTransactionGross",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_SaleOfStockGrossOfferingProceedsOfSharesAuthorizedToBeSold": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale Of Stock, Gross Offering Proceeds Of Shares Authorized To Be Sold",
        "label": "Sale Of Stock, Gross Offering Proceeds Of Shares Authorized To Be Sold",
        "terseLabel": "Stock sale program, gross offering proceeds of shares authorized to be sold"
       }
      }
     },
     "localname": "SaleOfStockGrossOfferingProceedsOfSharesAuthorizedToBeSold",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_SaleOfStockRemainingConsiderationAvailableForSale": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sale Of Stock, Remaining Consideration Available For Sale",
        "label": "Sale Of Stock, Remaining Consideration Available For Sale",
        "terseLabel": "Remaining consideration available on sale of stock"
       }
      }
     },
     "localname": "SaleOfStockRemainingConsiderationAvailableForSale",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_ScheduleOfSubsidiariesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the subsidiaries included in the consolidated financial statements.",
        "label": "Schedule Of Subsidiaries [Table Text Block]",
        "terseLabel": "Schedule of Subsidiaries"
       }
      }
     },
     "localname": "ScheduleOfSubsidiariesTableTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_ScheduleOfVesselsNetTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the rollforward of the value of long-lived, physical assets that are used in the normal conduct of business and not intended for resale.",
        "label": "Schedule Of Vessels Net [Table Text Block]",
        "terseLabel": "Schedule of Vessels, Net"
       }
      }
     },
     "localname": "ScheduleOfVesselsNetTableTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_September2021Member": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "September 2021",
        "label": "September 2021 [Member]",
        "terseLabel": "September 2021"
       }
      }
     },
     "localname": "September2021Member",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ShikokuFriendshipMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shikoku Friendship [Member]",
        "label": "Shikoku Friendship [Member]",
        "terseLabel": "Shikoku Friendship"
       }
      }
     },
     "localname": "ShikokuFriendshipMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ShikokuenniaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shikokuennia [Member]",
        "label": "Shikokuennia [Member]",
        "terseLabel": "Shikokuennia"
       }
      }
     },
     "localname": "ShikokuenniaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ShikokueptaMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shikokuepta [Member]",
        "terseLabel": "Shikokuepta"
       }
      }
     },
     "localname": "ShikokueptaMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ShikokuoktoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shikokuokto [Member]",
        "terseLabel": "Shikokuokto"
       }
      }
     },
     "localname": "ShikokuoktoMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ShikokupenteMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shikokupente [Member]",
        "label": "Shikokupente [Member]",
        "terseLabel": "Shikokupente"
       }
      }
     },
     "localname": "ShikokupenteMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ShikokupenteShikokuenniaPemerPetraMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Shikokupente, Shikokuennia, Pemer, Petra [Member]",
        "label": "Shikokupente, Shikokuennia, Pemer, Petra [Member]",
        "terseLabel": "Shikokupente, Shikokuennia, Penner, Petra"
       }
      }
     },
     "localname": "ShikokupenteShikokuenniaPemerPetraMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_ShikokutesseraMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shikokutessera [Member]",
        "terseLabel": "Shikokutessera"
       }
      }
     },
     "localname": "ShikokutesseraMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_SoffiveMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Soffive [Member]",
        "terseLabel": "Soffive"
       }
      }
     },
     "localname": "SoffiveMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "sb_SupervisionFeesExpense": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of expense derived from the supervision fees.",
        "label": "Supervision Fees Expense",
        "terseLabel": "Supervision Fees"
       }
      }
     },
     "localname": "SupervisionFeesExpense",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesScheduleofFeesChargedbyManagersDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_TimeCharterAndVoyageNormalTermOfCharterContract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Time Charter And Voyage, Normal Term Of Charter Contract",
        "label": "Time Charter And Voyage, Normal Term Of Charter Contract",
        "terseLabel": "Charter contract typical term"
       }
      }
     },
     "localname": "TimeCharterAndVoyageNormalTermOfCharterContract",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sb_TimeCharterAndVoyageRevenue": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "sb_NetRevenues",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenues generated from charterers for the time or voyage charter hire of vessels.Revenues from time charter may also include ballast bonus, which is an amount paid by the charterer for repositioning the vessel at the charterers disposal, and other miscellaneous revenues from vessel operations.",
        "label": "Time Charter And Voyage Revenue",
        "terseLabel": "Revenues",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "TimeCharterAndVoyageRevenue",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_TimeCharterAndVoyageRevenueTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This element represents the dislcosure of revenues, ballast bonus and other miscellaneous revenues generated from charterers, for the charter hire of vessels.",
        "label": "Time Charter And Voyage Revenue [Text Block]",
        "terseLabel": "Revenues"
       }
      }
     },
     "localname": "TimeCharterAndVoyageRevenueTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/Revenues"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_TimeCharterAndVoyageTermOfCharterContractRenewalTerm": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Time Charter And Voyage, Term Of Charter Contract, Renewal Term",
        "label": "Time Charter And Voyage, Term Of Charter Contract, Renewal Term",
        "terseLabel": "Charter contract renewal term"
       }
      }
     },
     "localname": "TimeCharterAndVoyageTermOfCharterContractRenewalTerm",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "sb_TimeCharterRevenue": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails": {
       "order": 2.0,
       "parentTag": "sb_TimeCharterAndVoyageRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenues generated from charterers for the time charter hire of vessels which implies a contract made for the use of a vessel for a specific period of time and at a specified daily charter rate.",
        "label": "Time Charter Revenue",
        "terseLabel": "Time charter revenue"
       }
      }
     },
     "localname": "TimeCharterRevenue",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails",
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_TimeCharterRevenueFromPremiumForUseOfScrubbers": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Time Charter Revenue From Premium For Use Of Scrubbers",
        "label": "Time Charter Revenue From Premium For Use Of Scrubbers",
        "terseLabel": "Revenue from premium for use of scrubbers"
       }
      }
     },
     "localname": "TimeCharterRevenueFromPremiumForUseOfScrubbers",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_VesselAcquisitionsIncludingAdvancesForVesselsUnderConstruction": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This element represents cash outflows associated with acquisition of vessels including advances paid for vessels under construction and capitalized expenses and interest.",
        "label": "Vessel Acquisitions Including Advances For Vessels Under Construction",
        "negatedLabel": "Vessel advances"
       }
      }
     },
     "localname": "VesselAcquisitionsIncludingAdvancesForVesselsUnderConstruction",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_VesselOperatingExpensesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the amount and analysis of the components constituting the vessels operating expenses.",
        "label": "Vessel Operating Expenses [Table Text Block]",
        "terseLabel": "Vessel Operating Expenses"
       }
      }
     },
     "localname": "VesselOperatingExpensesTableTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_VesselOperatingExpensesTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "This element represents the disclosure of vessel operating expenses.",
        "label": "Vessel Operating Expenses [Text Block]",
        "terseLabel": "Vessel Operating Expenses"
       }
      }
     },
     "localname": "VesselOperatingExpensesTextBlock",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpenses"
     ],
     "xbrltype": "textBlockItemType"
    },
    "sb_VoyageCharterRevenue": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails": {
       "order": 3.0,
       "parentTag": "sb_TimeCharterAndVoyageRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Revenues generated from voyage charter hire of vessels which implies a contract made for the use of a vessel under which freight is paid on the basis of moving cargo from a loading port to a discharge port.",
        "label": "Voyage Charter Revenue",
        "terseLabel": "Voyage charter revenue"
       }
      }
     },
     "localname": "VoyageCharterRevenue",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_VoyageExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Voyage expenses include costs for draft surveys, hold cleaning, postage and other minor miscellaneous expenses related to the voyage such as the United States federal income tax that is paid in respect of our U.S. source shipping income (imposed on gross income without the allowance for any deductions).",
        "label": "Voyage Expenses",
        "negatedLabel": "Voyage expenses"
       }
      }
     },
     "localname": "VoyageExpenses",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "sb_YoungtwoMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Youngtwo [Member]",
        "terseLabel": "Youngtwo"
       }
      }
     },
     "localname": "YoungtwoMember",
     "nsuri": "http://www.safebulkers.com/20210930",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_CounterpartyNameAxis": {
     "auth_ref": [
      "r64",
      "r66",
      "r108",
      "r109",
      "r206",
      "r243"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Axis]",
        "terseLabel": "Counterparty Name [Axis]"
       }
      }
     },
     "localname": "CounterpartyNameAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [
      "r205",
      "r242",
      "r289",
      "r291",
      "r375",
      "r376",
      "r377",
      "r378",
      "r379",
      "r380",
      "r382",
      "r410",
      "r411",
      "r422",
      "r423"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [
      "r205",
      "r242",
      "r289",
      "r291",
      "r375",
      "r376",
      "r377",
      "r378",
      "r379",
      "r380",
      "r382",
      "r410",
      "r411",
      "r422",
      "r423"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [
      "r205",
      "r242",
      "r279",
      "r289",
      "r291",
      "r375",
      "r376",
      "r377",
      "r378",
      "r379",
      "r380",
      "r382",
      "r410",
      "r411",
      "r422",
      "r423"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Statistical Measurement [Axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [
      "r205",
      "r242",
      "r279",
      "r289",
      "r291",
      "r375",
      "r376",
      "r377",
      "r378",
      "r379",
      "r380",
      "r382",
      "r410",
      "r411",
      "r422",
      "r423"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Statistical Measurement [Domain]"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RepurchaseAgreementCounterpartyNameDomain": {
     "auth_ref": [
      "r65",
      "r66",
      "r108",
      "r109",
      "r206",
      "r243"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparty Name [Domain]",
        "terseLabel": "Counterparty Name [Domain]"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyNameDomain",
     "nsuri": "http://fasb.org/srt/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "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/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountsAndOtherReceivablesNetCurrent": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 10.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer.",
        "label": "Accounts and Other Receivables, Net, Current",
        "terseLabel": "Accounts receivable"
       }
      }
     },
     "localname": "AccountsAndOtherReceivablesNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsPayableTradeCurrent": {
     "auth_ref": [
      "r22",
      "r45"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accounts Payable, Trade, Current",
        "terseLabel": "Trade accounts payable"
       }
      }
     },
     "localname": "AccountsPayableTradeCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccountsReceivableRelatedPartiesCurrent": {
     "auth_ref": [
      "r56",
      "r107",
      "r362",
      "r363"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.",
        "label": "Accounts Receivable, Related Parties, Current",
        "terseLabel": "Due from manager",
        "verboseLabel": "Due from Manager"
       }
      }
     },
     "localname": "AccountsReceivableRelatedPartiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTheManagersDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccruedLiabilitiesCurrent": {
     "auth_ref": [
      "r49"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Accrued Liabilities, Current",
        "terseLabel": "Accrued liabilities"
       }
      }
     },
     "localname": "AccruedLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": {
     "auth_ref": [
      "r43",
      "r169"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.",
        "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment",
        "negatedPeriodEndLabel": "Ending Balance",
        "negatedPeriodStartLabel": "Beginning Balance"
       }
      }
     },
     "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDepreciationDepletionAndAmortizationReclassificationsFromPropertyPlantAndEquipment1": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease in accumulated depreciation, depletion and amortization as a result of reclassifications from property, plant and equipment.",
        "label": "Accumulated Depreciation, Depletion and Amortization, Reclassifications from Property, Plant and Equipment",
        "terseLabel": "Transfer to Assets Held for Sale (Note 6)"
       }
      }
     },
     "localname": "AccumulatedDepreciationDepletionAndAmortizationReclassificationsFromPropertyPlantAndEquipment1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalCashFlowElementsSummationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional Cash Flow Elements, Summations [Abstract]",
        "terseLabel": "Reconciliation of Cash, Cash Equivalents and Restricted Cash:"
       }
      }
     },
     "localname": "AdditionalCashFlowElementsSummationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AdditionalPaidInCapital": {
     "auth_ref": [
      "r34",
      "r295",
      "r368"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.",
        "label": "Additional Paid in Capital",
        "terseLabel": "Additional paid in capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapital",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [
      "r112",
      "r113",
      "r114",
      "r292",
      "r293",
      "r294",
      "r326"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts": {
     "auth_ref": [
      "r256",
      "r263"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.",
        "label": "Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs",
        "negatedTerseLabel": "Offering expenses"
       }
      }
     },
     "localname": "AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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 (loss)/income to net cash provided by operating activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AmortizationOfFinancingCostsAndDiscounts": {
     "auth_ref": [
      "r93",
      "r225",
      "r233",
      "r234",
      "r355"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 7.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.",
        "label": "Amortization of Debt Issuance Costs and Discounts",
        "negatedLabel": "Amortization and write-off of deferred finance charges",
        "terseLabel": "Amortization and write-off of deferred finance charges"
       }
      }
     },
     "localname": "AmortizationOfFinancingCostsAndDiscounts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r106",
      "r153",
      "r155",
      "r159",
      "r163",
      "r189",
      "r190",
      "r191",
      "r193",
      "r194",
      "r195",
      "r196",
      "r197",
      "r198",
      "r200",
      "r201",
      "r298",
      "r300",
      "r339",
      "r366",
      "r368",
      "r386",
      "r400"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "ASSETS"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsCurrent": {
     "auth_ref": [
      "r19",
      "r20",
      "r59",
      "r106",
      "r163",
      "r189",
      "r190",
      "r191",
      "r193",
      "r194",
      "r195",
      "r196",
      "r197",
      "r198",
      "r200",
      "r201",
      "r298",
      "r300",
      "r339",
      "r366",
      "r368"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Current",
        "totalLabel": "Total current assets"
       }
      }
     },
     "localname": "AssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets, Current [Abstract]",
        "terseLabel": "CURRENT ASSETS:"
       }
      }
     },
     "localname": "AssetsCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsNoncurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets, Noncurrent [Abstract]",
        "terseLabel": "FIXED ASSETS:"
       }
      }
     },
     "localname": "AssetsNoncurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent": {
     "auth_ref": [
      "r1",
      "r2",
      "r9",
      "r11",
      "r14",
      "r166",
      "r174"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Assets, Current",
        "terseLabel": "Assets held for sale"
       }
      }
     },
     "localname": "AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock": {
     "auth_ref": [
      "r16",
      "r111",
      "r150"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for the business description and basis of presentation concepts.  Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity.  Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).",
        "label": "Business Description and Basis of Presentation [Text Block]",
        "terseLabel": "Basis of Presentation and General Information"
       }
      }
     },
     "localname": "BusinessDescriptionAndBasisOfPresentationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformation"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r17",
      "r41",
      "r95"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation.",
        "label": "Cash and Cash Equivalents, at Carrying Value",
        "terseLabel": "Cash and cash equivalents"
       }
      }
     },
     "localname": "CashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r89",
      "r95",
      "r100"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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 at end of year",
        "periodStartLabel": "Cash, cash equivalents and restricted cash at beginning of year",
        "totalLabel": "Cash, cash equivalents and restricted cash shown in the statement of cash flows"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect": {
     "auth_ref": [
      "r89",
      "r344"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding 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), Excluding Exchange Rate Effect",
        "totalLabel": "Net decrease in cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ClassOfStockDomain": {
     "auth_ref": [
      "r103",
      "r106",
      "r128",
      "r129",
      "r134",
      "r137",
      "r139",
      "r147",
      "r148",
      "r149",
      "r163",
      "r189",
      "r194",
      "r195",
      "r196",
      "r200",
      "r201",
      "r240",
      "r241",
      "r245",
      "r249",
      "r339",
      "r425"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "ClassOfStockDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/ShareCapitalDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r53",
      "r185",
      "r391",
      "r406"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "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/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r179",
      "r181",
      "r184",
      "r186",
      "r418"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.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 Stock"
       }
      }
     },
     "localname": "CommonClassAMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [
      "r112",
      "r113",
      "r326"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r33"
     ],
     "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 value (in USD per share)",
        "verboseLabel": "Ordinary shares par value (in USD per share)"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r33"
     ],
     "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": "Ordinary shares authorized (in shares)",
        "verboseLabel": "Common stock, authorized (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r33"
     ],
     "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",
        "verboseLabel": "Common stock, shares issued (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r33",
      "r256"
     ],
     "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",
        "verboseLabel": "Common stock, shares outstanding (in shares)"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapitalDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r33",
      "r368"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Common Stock, Value, Issued",
        "terseLabel": "Common stock, $0.001 par value; 200,000,000 authorized, 102,174,594 and 121,634,602 issued and outstanding at December 31, 2020 and September 30, 2021, respectively"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid": {
     "auth_ref": [
      "r97",
      "r98",
      "r99"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Future cash outflow to pay for construction in progress expenditures that have occurred.",
        "label": "Construction in Progress Expenditures Incurred but Not yet Paid",
        "terseLabel": "Unpaid capital expenditures"
       }
      }
     },
     "localname": "ConstructionInProgressExpendituresIncurredButNotYetPaid",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerAssetNetCurrent": {
     "auth_ref": [
      "r266",
      "r268",
      "r271"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.",
        "label": "Contract with Customer, Asset, after Allowance for Credit Loss, Current",
        "verboseLabel": "Accrued revenue"
       }
      }
     },
     "localname": "ContractWithCustomerAssetNetCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerAssetNetNoncurrent": {
     "auth_ref": [
      "r266",
      "r268",
      "r271"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as noncurrent.",
        "label": "Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent",
        "verboseLabel": "Accrued revenue - Long-term"
       }
      }
     },
     "localname": "ContractWithCustomerAssetNetNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityCurrent": {
     "auth_ref": [
      "r266",
      "r267",
      "r271"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.",
        "label": "Contract with Customer, Liability, Current",
        "terseLabel": "Unearned revenue"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ContractWithCustomerLiabilityNoncurrent": {
     "auth_ref": [
      "r266",
      "r267",
      "r271"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.",
        "label": "Contract with Customer, Liability, Noncurrent",
        "terseLabel": "Unearned revenue - Long-term"
       }
      }
     },
     "localname": "ContractWithCustomerLiabilityNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostDirectLabor": {
     "auth_ref": [
      "r77"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_OperatingCostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cost of labor directly related to good produced and service rendered. Includes, but is not limited to, payroll cost and equity-based compensation.",
        "label": "Cost, Direct Labor",
        "terseLabel": "Crew wages and related costs"
       }
      }
     },
     "localname": "CostDirectLabor",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CostsAndExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Costs and Expenses [Abstract]",
        "terseLabel": "EXPENSES:"
       }
      }
     },
     "localname": "CostsAndExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditFacilityAxis": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Axis]",
        "terseLabel": "Credit Facility [Axis]"
       }
      }
     },
     "localname": "CreditFacilityAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditFacilityDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.",
        "label": "Credit Facility [Domain]",
        "terseLabel": "Credit Facility [Domain]"
       }
      }
     },
     "localname": "CreditFacilityDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CumulativePreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Preferred stock upon which unpaid dividends accumulate until paid to shareholders. 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": "Cumulative Preferred Stock [Member]",
        "terseLabel": "Cumulative Preferred Stock"
       }
      }
     },
     "localname": "CumulativePreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Disclosure [Abstract]",
        "terseLabel": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "auth_ref": [
      "r102",
      "r208",
      "r209",
      "r210",
      "r211",
      "r212",
      "r213",
      "r214",
      "r219",
      "r226",
      "r227",
      "r229",
      "r235"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.",
        "label": "Debt Disclosure [Text Block]",
        "terseLabel": "Long Term Debt"
       }
      }
     },
     "localname": "DebtDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebt"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r27",
      "r28",
      "r29",
      "r105",
      "r110",
      "r202",
      "r203",
      "r204",
      "r205",
      "r206",
      "r207",
      "r209",
      "r215",
      "r216",
      "r217",
      "r218",
      "r220",
      "r221",
      "r222",
      "r223",
      "r224",
      "r225",
      "r231",
      "r232",
      "r233",
      "r234",
      "r356",
      "r387",
      "r389",
      "r398"
     ],
     "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 [Axis]"
       }
      }
     },
     "localname": "DebtInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r51",
      "r105",
      "r110",
      "r202",
      "r203",
      "r204",
      "r205",
      "r206",
      "r207",
      "r209",
      "r215",
      "r216",
      "r217",
      "r218",
      "r220",
      "r221",
      "r222",
      "r223",
      "r224",
      "r225",
      "r231",
      "r232",
      "r233",
      "r234",
      "r356"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "DebtInstrumentNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r51",
      "r105",
      "r110",
      "r202",
      "r203",
      "r204",
      "r205",
      "r206",
      "r207",
      "r209",
      "r215",
      "r216",
      "r217",
      "r218",
      "r220",
      "r221",
      "r222",
      "r223",
      "r224",
      "r225",
      "r228",
      "r231",
      "r232",
      "r233",
      "r234",
      "r257",
      "r260",
      "r261",
      "r262",
      "r353",
      "r354",
      "r356",
      "r357",
      "r397"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction": {
     "auth_ref": [
      "r97",
      "r98",
      "r99"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction.",
        "label": "Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction",
        "terseLabel": "Unpaid financing fees"
       }
      }
     },
     "localname": "DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredCosts": {
     "auth_ref": [
      "r26",
      "r385",
      "r399"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent.",
        "label": "Deferred Costs, Noncurrent",
        "terseLabel": "Deferred financing costs"
       }
      }
     },
     "localname": "DeferredCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsCurrentNet": {
     "auth_ref": [
      "r58",
      "r355"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DeferredFinanceCostsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Current, Net",
        "terseLabel": "Current portion of deferred financing costs"
       }
      }
     },
     "localname": "DeferredFinanceCostsCurrentNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNet": {
     "auth_ref": [
      "r44",
      "r215",
      "r355"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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": "Less:\u00a0\u00a0Total deferred financing costs",
        "totalLabel": "Total deferred financing costs"
       }
      }
     },
     "localname": "DeferredFinanceCostsNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DeferredFinanceCostsNoncurrentNet": {
     "auth_ref": [
      "r44",
      "r355"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_DeferredFinanceCostsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.",
        "label": "Debt Issuance Costs, Noncurrent, Net",
        "terseLabel": "Deferred financing costs non-current"
       }
      }
     },
     "localname": "DeferredFinanceCostsNoncurrentNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepositsAssetsCurrent": {
     "auth_ref": [
      "r44"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.",
        "label": "Deposits Assets, Current",
        "terseLabel": "Time deposits"
       }
      }
     },
     "localname": "DepositsAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Depreciation": {
     "auth_ref": [
      "r93",
      "r167"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 12.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.",
        "label": "Depreciation",
        "negatedLabel": "Depreciation",
        "negatedTerseLabel": "Depreciation expense",
        "terseLabel": "Depreciation"
       }
      }
     },
     "localname": "Depreciation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations",
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DepreciationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation [Abstract]",
        "terseLabel": "Accumulated Depreciation"
       }
      }
     },
     "localname": "DepreciationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeAssetFairValueGrossLiability": {
     "auth_ref": [
      "r61",
      "r68",
      "r311"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.",
        "label": "Derivative Asset, Fair Value, Gross Liability",
        "terseLabel": "Derivative instruments \u2013 liability position"
       }
      }
     },
     "localname": "DerivativeAssetFairValueGrossLiability",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeAssets": {
     "auth_ref": [
      "r62",
      "r63",
      "r66",
      "r336"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Asset",
        "totalLabel": "Total derivative assets"
       }
      }
     },
     "localname": "DerivativeAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeAssetsCurrent": {
     "auth_ref": [
      "r62"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeAssets",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 9.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Asset, Current",
        "terseLabel": "Derivatives assets current",
        "verboseLabel": "Derivative assets / Current assets"
       }
      }
     },
     "localname": "DerivativeAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeAssetsNoncurrent": {
     "auth_ref": [
      "r62"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeAssets",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Asset, Noncurrent",
        "terseLabel": "Derivative assets \u2013 Long-term",
        "verboseLabel": "Derivative assets / Non-current assets"
       }
      }
     },
     "localname": "DerivativeAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeContractTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.",
        "label": "Derivative Contract [Domain]",
        "terseLabel": "Derivative Contract [Domain]"
       }
      }
     },
     "localname": "DerivativeContractTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeAsset": {
     "auth_ref": [
      "r60",
      "r66",
      "r67",
      "r311",
      "r381"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.",
        "label": "Derivative Asset, Fair Value, Gross Asset",
        "terseLabel": "Derivative instruments \u2013 asset position"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeAsset",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeFixedInterestRate": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fixed interest rate related to the interest rate derivative.",
        "label": "Derivative, Fixed Interest Rate",
        "terseLabel": "Fixed interest rate"
       }
      }
     },
     "localname": "DerivativeFixedInterestRate",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DerivativeGainLossOnDerivativeNet": {
     "auth_ref": [
      "r310"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 5.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.",
        "label": "Derivative, Gain (Loss) on Derivative, Net",
        "terseLabel": "Loss on derivatives"
       }
      }
     },
     "localname": "DerivativeGainLossOnDerivativeNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeInstrumentRiskAxis": {
     "auth_ref": [
      "r66",
      "r309",
      "r312",
      "r315",
      "r319"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by type of derivative contract.",
        "label": "Derivative Instrument [Axis]",
        "terseLabel": "Derivative Instrument [Axis]"
       }
      }
     },
     "localname": "DerivativeInstrumentRiskAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet": {
     "auth_ref": [
      "r314",
      "r316"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.",
        "label": "Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net",
        "terseLabel": "Net Loss Recognized"
       }
      }
     },
     "localname": "DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilities": {
     "auth_ref": [
      "r62",
      "r63",
      "r66",
      "r336"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability",
        "totalLabel": "Total derivative liabilities"
       }
      }
     },
     "localname": "DerivativeLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitiesCurrent": {
     "auth_ref": [
      "r62"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeLiabilities",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability, Current",
        "terseLabel": "Derivative liabilities",
        "verboseLabel": "Derivative liabilities / Current liabilities"
       }
      }
     },
     "localname": "DerivativeLiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitiesNoncurrent": {
     "auth_ref": [
      "r62"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeLiabilities",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability, Noncurrent",
        "terseLabel": "Derivative liabilities / Non-current liabilities",
        "verboseLabel": "Derivative liabilities \u2013 Long-term"
       }
      }
     },
     "localname": "DerivativeLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLineItems": {
     "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": "Derivative [Line Items]",
        "terseLabel": "Derivative [Line Items]"
       }
      }
     },
     "localname": "DerivativeLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeNotionalAmount": {
     "auth_ref": [
      "r303",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Nominal or face amount used to calculate payment on derivative.",
        "label": "Derivative, Notional Amount",
        "terseLabel": "Interest rate swap, notional amount"
       }
      }
     },
     "localname": "DerivativeNotionalAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeNumberOfInstrumentsHeld": {
     "auth_ref": [
      "r303",
      "r305"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of derivative instruments of a particular group held by the entity.",
        "label": "Derivative, Number of Instruments Held",
        "terseLabel": "Number of derivative contracts"
       }
      }
     },
     "localname": "DerivativeNumberOfInstrumentsHeld",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DerivativeTable": {
     "auth_ref": [
      "r302",
      "r304",
      "r305",
      "r306",
      "r307",
      "r313",
      "r315",
      "r321",
      "r322",
      "r324",
      "r325"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule that describes and identifies a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.",
        "label": "Derivative [Table]",
        "terseLabel": "Fair Value Disclosure of Asset and Liability Not Measured at Fair Value [Table]"
       }
      }
     },
     "localname": "DerivativeTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeTermOfContract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Derivative, Term of Contract",
        "terseLabel": "Derivative, term"
       }
      }
     },
     "localname": "DerivativeTermOfContract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_DerivativesAndFairValueTextBlock": {
     "auth_ref": [
      "r329",
      "r335"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for derivatives and fair value of assets and liabilities.",
        "label": "Derivatives and Fair Value [Text Block]",
        "terseLabel": "Fair Value of Financial Instruments and Derivatives Instruments"
       }
      }
     },
     "localname": "DerivativesAndFairValueTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstruments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DirectOperatingMaintenanceSuppliesCosts": {
     "auth_ref": [
      "r78"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_OperatingCostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Costs of maintenance supplies used that are directly related to goods produced and sold, or services rendered, during the reporting period.",
        "label": "Direct Operating Maintenance Supplies Costs",
        "terseLabel": "Spares, stores and provisions"
       }
      }
     },
     "localname": "DirectOperatingMaintenanceSuppliesCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DirectTaxesAndLicensesCosts": {
     "auth_ref": [
      "r77"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_OperatingCostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of tax incurred and cost of license directly related to good produced or service rendered.",
        "label": "Cost, Direct Tax and License",
        "terseLabel": "Taxes"
       }
      }
     },
     "localname": "DirectTaxesAndLicensesCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisaggregationOfRevenueLineItems": {
     "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": "Disaggregation of Revenue [Line Items]",
        "terseLabel": "Disaggregation of Revenue [Line Items]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisaggregationOfRevenueTable": {
     "auth_ref": [
      "r270",
      "r272",
      "r273",
      "r274",
      "r275",
      "r276",
      "r277",
      "r278"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.",
        "label": "Disaggregation of Revenue [Table]",
        "terseLabel": "Disaggregation of Revenue [Table]"
       }
      }
     },
     "localname": "DisaggregationOfRevenueTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Discontinued Operations and Disposal Groups [Abstract]",
        "terseLabel": "Discontinued Operations and Disposal Groups [Abstract]"
       }
      }
     },
     "localname": "DiscontinuedOperationsAndDisposalGroupsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.",
        "label": "Disposal Group, Including Discontinued Operation, Consideration",
        "terseLabel": "Sale price of the vessel"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationConsideration",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent": {
     "auth_ref": [
      "r1",
      "r2",
      "r9",
      "r166",
      "r174"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current",
        "terseLabel": "Carrying value of the vessel"
       }
      }
     },
     "localname": "DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock": {
     "auth_ref": [
      "r15",
      "r177"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.",
        "label": "Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]",
        "terseLabel": "Assets Held for Sale"
       }
      }
     },
     "localname": "DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSale"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": {
     "auth_ref": [
      "r288",
      "r290"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Name of disposal group.",
        "label": "Disposal Group Name [Domain]",
        "terseLabel": "Disposal Group Name [Domain]"
       }
      }
     },
     "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DividendsCashAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends, Cash [Abstract]",
        "terseLabel": "Dividend declaration"
       }
      }
     },
     "localname": "DividendsCashAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DividendsPayableAmountPerShare": {
     "auth_ref": [
      "r97"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The per share amount of a dividend declared, but not paid, as of the financial reporting date.",
        "label": "Dividends Payable, Amount Per Share",
        "terseLabel": "Dividends payable (in USD per share)"
       }
      }
     },
     "localname": "DividendsPayableAmountPerShare",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_DividendsPayableCurrentAndNoncurrent": {
     "auth_ref": [
      "r28",
      "r30",
      "r388",
      "r401"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DividendsPreferredStockCash": {
     "auth_ref": [
      "r263",
      "r396"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.",
        "label": "Dividends, Preferred Stock, Cash",
        "negatedLabel": "Preferred share dividends declared"
       }
      }
     },
     "localname": "DividendsPreferredStockCash",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DueToRelatedPartiesCurrent": {
     "auth_ref": [
      "r45",
      "r107",
      "r192",
      "r194",
      "r195",
      "r199",
      "r200",
      "r201",
      "r362"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).",
        "label": "Due to Related Parties, Current",
        "terseLabel": "Due to Manager",
        "verboseLabel": "Due to manager"
       }
      }
     },
     "localname": "DueToRelatedPartiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTheManagersDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share [Abstract]",
        "terseLabel": "Earnings Per Share [Abstract]"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r76",
      "r117",
      "r118",
      "r119",
      "r120",
      "r121",
      "r125",
      "r128",
      "r137",
      "r138",
      "r139",
      "r143",
      "r144",
      "r327",
      "r328",
      "r393",
      "r408"
     ],
     "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)/earnings per share in U.S. Dollars, basic (in USD per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareBasicAndDilutedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings Per Share, Basic and Diluted [Abstract]",
        "terseLabel": "Earnings Per Share, Basic and Diluted [Abstract]"
       }
      }
     },
     "localname": "EarningsPerShareBasicAndDilutedAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r76",
      "r117",
      "r118",
      "r119",
      "r120",
      "r121",
      "r128",
      "r137",
      "r138",
      "r139",
      "r143",
      "r144",
      "r327",
      "r328",
      "r393",
      "r408"
     ],
     "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)/earnings per share in U.S. Dollars, diluted (in USD per share)"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareTextBlock": {
     "auth_ref": [
      "r140",
      "r141",
      "r142",
      "r145"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for earnings per share.",
        "label": "Earnings Per Share [Text Block]",
        "terseLabel": "(Loss)/Earnings Per Share"
       }
      }
     },
     "localname": "EarningsPerShareTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShare"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r344"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts 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": "Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "terseLabel": "Effect of exchange rate changes on cash, cash equivalents and restricted cash"
       }
      }
     },
     "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [Abstract]",
        "terseLabel": "Equity [Abstract]"
       }
      }
     },
     "localname": "EquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r0",
      "r71",
      "r72",
      "r73",
      "r112",
      "r113",
      "r114",
      "r116",
      "r122",
      "r124",
      "r146",
      "r164",
      "r256",
      "r263",
      "r292",
      "r293",
      "r294",
      "r296",
      "r297",
      "r326",
      "r345",
      "r346",
      "r347",
      "r348",
      "r349",
      "r350",
      "r412",
      "r413",
      "r414",
      "r426"
     ],
     "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 [Domain]"
       }
      }
     },
     "localname": "EquityComponentDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": {
     "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": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]",
        "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r330",
      "r331",
      "r332",
      "r334"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.",
        "label": "Fair Value, Recurring and Nonrecurring [Table]",
        "terseLabel": "Fair Value, Recurring and Nonrecurring [Table]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": {
     "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": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]",
        "terseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]"
       }
      }
     },
     "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTable": {
     "auth_ref": [
      "r330",
      "r337",
      "r338"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.",
        "label": "Fair Value, by Balance Sheet Grouping [Table]",
        "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r217",
      "r231",
      "r232",
      "r280",
      "r281",
      "r282",
      "r283",
      "r284",
      "r285",
      "r286",
      "r287",
      "r331",
      "r372",
      "r373",
      "r374"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.",
        "label": "Fair Value Hierarchy and NAV [Axis]",
        "terseLabel": "Fair Value Hierarchy and NAV [Axis]"
       }
      }
     },
     "localname": "FairValueByFairValueHierarchyLevelAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosureAssetAndLiabilityNotMeasuredAtFairValueLineItems": {
     "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": "Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]",
        "terseLabel": "Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]"
       }
      }
     },
     "localname": "FairValueDisclosureAssetAndLiabilityNotMeasuredAtFairValueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]",
        "terseLabel": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r217",
      "r231",
      "r232",
      "r280",
      "r281",
      "r286",
      "r287",
      "r331",
      "r373"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.",
        "label": "Fair Value, Inputs, Level 2 [Member]",
        "terseLabel": "Fair Value, Inputs, Level 2"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [
      "r217",
      "r231",
      "r232",
      "r280",
      "r281",
      "r282",
      "r283",
      "r284",
      "r285",
      "r286",
      "r287",
      "r372",
      "r373",
      "r374"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.",
        "label": "Fair Value Hierarchy and NAV [Domain]",
        "terseLabel": "Fair Value Hierarchy and NAV [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementsFairValueHierarchyDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsValuationofCompanysFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable": {
     "auth_ref": [
      "r308",
      "r313",
      "r323"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Schedule that discloses the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.",
        "label": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]",
        "terseLabel": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]"
       }
      }
     },
     "localname": "FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": {
     "auth_ref": [
      "r340",
      "r341",
      "r342",
      "r343"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 6.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.",
        "label": "Foreign Currency Transaction Gain (Loss), before Tax",
        "terseLabel": "Foreign currency gain/(loss)"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionGainLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignCurrencyTransactionGainLossUnrealized": {
     "auth_ref": [
      "r94",
      "r342",
      "r343"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 17.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.",
        "label": "Foreign Currency Transaction Gain (Loss), Unrealized",
        "negatedLabel": "Unrealized foreign exchange (gain)/loss"
       }
      }
     },
     "localname": "ForeignCurrencyTransactionGainLossUnrealized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ForeignExchangeContractMember": {
     "auth_ref": [
      "r66",
      "r280",
      "r318"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Derivative instrument whose primary underlying risk is tied to foreign exchange rates.",
        "label": "Foreign Exchange Contract [Member]",
        "terseLabel": "Foreign Exchange Agreements"
       }
      }
     },
     "localname": "ForeignExchangeContractMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnContractTermination": {
     "auth_ref": [
      "r94"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 5.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.",
        "label": "Gain (Loss) on Contract Termination",
        "terseLabel": "Early redelivery income"
       }
      }
     },
     "localname": "GainLossOnContractTermination",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnDispositionOfAssets": {
     "auth_ref": [
      "r93",
      "r165",
      "r172"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.",
        "label": "Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property",
        "negatedTerseLabel": "Gain on sale of vessels",
        "terseLabel": "Gain on sale of vessels"
       }
      }
     },
     "localname": "GainLossOnDispositionOfAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GeneralAndAdministrativeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "General and Administrative Expense [Abstract]",
        "terseLabel": "General and administrative expenses"
       }
      }
     },
     "localname": "GeneralAndAdministrativeExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_HedgingDesignationAxis": {
     "auth_ref": [
      "r306",
      "r320"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by designation of purpose of derivative instrument.",
        "label": "Hedging Designation [Axis]",
        "terseLabel": "Hedging Designation [Axis]"
       }
      }
     },
     "localname": "HedgingDesignationAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_HedgingDesignationDomain": {
     "auth_ref": [
      "r306"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Designation of purpose of derivative instrument.",
        "label": "Hedging Designation [Domain]",
        "terseLabel": "Hedging Designation [Domain]"
       }
      }
     },
     "localname": "HedgingDesignationDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "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/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": {
     "auth_ref": [
      "r288",
      "r290"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by name of disposal group.",
        "label": "Disposal Group Name [Axis]",
        "terseLabel": "Disposal Group Name [Axis]"
       }
      }
     },
     "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems": {
     "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": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]",
        "terseLabel": "Discontinued Operations and Disposal Groups [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable": {
     "auth_ref": [
      "r2",
      "r3",
      "r4",
      "r5",
      "r6",
      "r7",
      "r8",
      "r10",
      "r12",
      "r13",
      "r14",
      "r175",
      "r176"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Disclosure of information about a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.",
        "label": "Disposal Groups, Including Discontinued Operations [Table]",
        "terseLabel": "Discontinued Operations and Disposal Groups [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/AssetsHeldforSaleDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationAxis": {
     "auth_ref": [
      "r173",
      "r178"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by location in the income statement.",
        "label": "Income Statement Location [Axis]",
        "terseLabel": "Income Statement Location [Axis]"
       }
      }
     },
     "localname": "IncomeStatementLocationAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeStatementLocationDomain": {
     "auth_ref": [
      "r178"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Location in the income statement.",
        "label": "Income Statement Location [Domain]",
        "terseLabel": "Income Statement Location [Domain]"
       }
      }
     },
     "localname": "IncomeStatementLocationDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the obligations due for goods and services provided by the following types of related parties: a parent company and its subsidiaries, subsidiaries of a common parent, an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management, an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence.",
        "label": "Increase (Decrease) in Accounts Payable, Related Parties",
        "terseLabel": "Due to Manager"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsPayableRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsPayableTrade": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Change in recurring obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and sale of goods and services.",
        "label": "Increase (Decrease) in Accounts Payable, Trade",
        "terseLabel": "Trade accounts payable"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsPayableTrade",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsReceivable": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.",
        "label": "Increase (Decrease) in Accounts Receivable",
        "negatedLabel": "Accounts receivable"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsReceivable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the amount due to the reporting entity for good and services provided to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management, an entity and its principal owners, management, member of their immediate families, affiliates, or other parties with the ability to exert significant influence.",
        "label": "Increase (Decrease) in Accounts Receivable, Related Parties",
        "negatedLabel": "Due from Manager"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccountsReceivableRelatedParties",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedLiabilities": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.",
        "label": "Increase (Decrease) in Accrued Liabilities",
        "terseLabel": "Accrued liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInContractWithCustomerLiability": {
     "auth_ref": [
      "r92",
      "r383"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 13.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.",
        "label": "Increase (Decrease) in Contract with Customer, Liability",
        "terseLabel": "Unearned revenue"
       }
      }
     },
     "localname": "IncreaseDecreaseInContractWithCustomerLiability",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInventories": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.",
        "label": "Increase (Decrease) in Inventories",
        "negatedLabel": "Inventories"
       }
      }
     },
     "localname": "IncreaseDecreaseInInventories",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (Decrease) in Operating Capital [Abstract]",
        "terseLabel": "Change in:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingCapitalAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in noncurrent operating liabilities classified as other.",
        "label": "Increase (Decrease) in Other Noncurrent Liabilities",
        "terseLabel": "Other non-current liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherNoncurrentLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherReceivables": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 16.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in receivables classified as other.",
        "label": "Increase (Decrease) in Other Receivables",
        "negatedLabel": "Accrued revenue"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherReceivables",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 15.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.",
        "label": "Increase (Decrease) in Prepaid Expense and Other Assets",
        "negatedLabel": "Prepaid expenses and other current assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseInCarryingAmountOfRedeemablePreferredStock": {
     "auth_ref": [
      "r237"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Adjustment to retained earnings for the increase in carrying amount of redeemable preferred stock that is classified as temporary equity.",
        "label": "Increase in Carrying Amount of Redeemable Preferred Stock",
        "negatedLabel": "Mezzanine equity measurement"
       }
      }
     },
     "localname": "IncreaseInCarryingAmountOfRedeemablePreferredStock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r74",
      "r152",
      "r352",
      "r355",
      "r394"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "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"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestPaidNet": {
     "auth_ref": [
      "r88",
      "r90",
      "r96"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.",
        "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities",
        "terseLabel": "Cash paid for interest (excluding capitalized interest):"
       }
      }
     },
     "localname": "InterestPaidNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestRateContractMember": {
     "auth_ref": [
      "r66",
      "r280",
      "r317"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Derivative instrument whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate.",
        "label": "Interest Rate Contract [Member]",
        "terseLabel": "Interest Rate Contracts"
       }
      }
     },
     "localname": "InterestRateContractMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsAmountofGainLossRecognizedonDerivativesDetails",
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InterestRateSwapMember": {
     "auth_ref": [
      "r317"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.",
        "label": "Interest Rate Swap [Member]",
        "terseLabel": "Interest Rate Swap"
       }
      }
     },
     "localname": "InterestRateSwapMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDetailsofInterestRateSwapTransactionsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InventoryNet": {
     "auth_ref": [
      "r18",
      "r57",
      "r368"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 3.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.",
        "label": "Inventory, Net",
        "terseLabel": "Inventories"
       }
      }
     },
     "localname": "InventoryNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentIncomeInterest": {
     "auth_ref": [
      "r80",
      "r151"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.",
        "label": "Investment Income, Interest",
        "terseLabel": "Interest income"
       }
      }
     },
     "localname": "InvestmentIncomeInterest",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r48",
      "r106",
      "r156",
      "r163",
      "r189",
      "r190",
      "r191",
      "r194",
      "r195",
      "r196",
      "r197",
      "r198",
      "r200",
      "r201",
      "r299",
      "r300",
      "r301",
      "r339",
      "r366",
      "r367"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r38",
      "r106",
      "r163",
      "r339",
      "r368",
      "r390",
      "r404"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "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, mezzanine equity and shareholders\u2019 equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities and Equity [Abstract]",
        "terseLabel": "LIABILITIES AND SHAREHOLDERS\u2019 EQUITY"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesCurrent": {
     "auth_ref": [
      "r50",
      "r106",
      "r163",
      "r189",
      "r190",
      "r191",
      "r194",
      "r195",
      "r196",
      "r197",
      "r198",
      "r200",
      "r201",
      "r299",
      "r300",
      "r301",
      "r339",
      "r366",
      "r367",
      "r368"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 5.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.",
        "label": "Liabilities, Current",
        "totalLabel": "Total current liabilities"
       }
      }
     },
     "localname": "LiabilitiesCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities, Current [Abstract]",
        "terseLabel": "CURRENT LIABILITIES:"
       }
      }
     },
     "localname": "LiabilitiesCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesNoncurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities, Noncurrent [Abstract]",
        "terseLabel": "LONG-TERM LIABILITIES"
       }
      }
     },
     "localname": "LiabilitiesNoncurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation": {
     "auth_ref": [
      "r1",
      "r2",
      "r9",
      "r11",
      "r14",
      "r174"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount classified as liabilities attributable to disposal group held for sale or disposed of.",
        "label": "Disposal Group, Including Discontinued Operation, Liabilities",
        "terseLabel": "Liability directly associated with asset held for sale"
       }
      }
     },
     "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent": {
     "auth_ref": [
      "r1",
      "r2",
      "r9",
      "r11",
      "r14",
      "r166",
      "r174"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 7.0,
       "parentTag": "us-gaap_LiabilitiesCurrent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.",
        "label": "Disposal Group, Including Discontinued Operation, Liabilities, Current",
        "terseLabel": "Liability directly associated with assets held for sale"
       }
      }
     },
     "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityLineItems": {
     "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": "Line of Credit Facility [Line Items]",
        "terseLabel": "Line of Credit Facility [Line Items]"
       }
      }
     },
     "localname": "LineOfCreditFacilityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": {
     "auth_ref": [
      "r46"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.",
        "label": "Line of Credit Facility, Maximum Borrowing Capacity",
        "terseLabel": "Line of credit facility"
       }
      }
     },
     "localname": "LineOfCreditFacilityMaximumBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": {
     "auth_ref": [
      "r46"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).",
        "label": "Line of Credit Facility, Remaining Borrowing Capacity",
        "terseLabel": "Borrowing capacity outstanding"
       }
      }
     },
     "localname": "LineOfCreditFacilityRemainingBorrowingCapacity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LineOfCreditFacilityTable": {
     "auth_ref": [
      "r46",
      "r105"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.",
        "label": "Line of Credit Facility [Table]",
        "terseLabel": "Line of Credit Facility [Table]"
       }
      }
     },
     "localname": "LineOfCreditFacilityTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LineOfCreditMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars.",
        "label": "Line of Credit [Member]",
        "terseLabel": "Line of credit"
       }
      }
     },
     "localname": "LineOfCreditMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongTermDebt": {
     "auth_ref": [
      "r29",
      "r216",
      "r230",
      "r231",
      "r232",
      "r389",
      "r402"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "LongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails",
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtCurrent": {
     "auth_ref": [
      "r47"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-term Debt, Current Maturities",
        "terseLabel": "Current portion of Long-term debt"
       }
      }
     },
     "localname": "LongTermDebtCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtFairValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.",
        "label": "Long-term Debt, Fair Value",
        "terseLabel": "Fair value of debt outstanding"
       }
      }
     },
     "localname": "LongTermDebtFairValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive": {
     "auth_ref": [
      "r110",
      "r187",
      "r221"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, after Year Five",
        "terseLabel": "2027 and thereafter"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": {
     "auth_ref": [
      "r110",
      "r187",
      "r221"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year One",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive": {
     "auth_ref": [
      "r110",
      "r187",
      "r221"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year Five",
        "terseLabel": "2026"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": {
     "auth_ref": [
      "r110",
      "r187",
      "r221"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails": {
       "order": 6.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year Four",
        "terseLabel": "2025"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": {
     "auth_ref": [
      "r110",
      "r187",
      "r221"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails": {
       "order": 5.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year Three",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": {
     "auth_ref": [
      "r110",
      "r187",
      "r221"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails": {
       "order": 4.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Long-Term Debt, Maturity, Year Two",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAnnualPrincipalPaymentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Debt arrangement having an initial term longer than one year or beyond the normal operating cycle, if longer.",
        "label": "Long-term Debt [Member]",
        "terseLabel": "Long-term Debt"
       }
      }
     },
     "localname": "LongTermDebtMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongTermDebtNoncurrent": {
     "auth_ref": [
      "r51"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_LongTermDebt",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.",
        "label": "Long-term Debt, Excluding Current Maturities",
        "terseLabel": "Long-term debt"
       }
      }
     },
     "localname": "LongTermDebtNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtScheduleofDebtDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LongTermDebtTerm": {
     "auth_ref": [
      "r333"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Long-term Debt, Term",
        "terseLabel": "Long-term debt, tenor"
       }
      }
     },
     "localname": "LongTermDebtTerm",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r51"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r51",
      "r188"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r89"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
       "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r89"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
       "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 Used in Investing Activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r89",
      "r91",
      "r94"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect",
       "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r14",
      "r69",
      "r70",
      "r73",
      "r75",
      "r94",
      "r106",
      "r115",
      "r117",
      "r118",
      "r119",
      "r120",
      "r123",
      "r124",
      "r135",
      "r153",
      "r154",
      "r157",
      "r158",
      "r160",
      "r163",
      "r189",
      "r190",
      "r191",
      "r194",
      "r195",
      "r196",
      "r197",
      "r198",
      "r200",
      "r201",
      "r328",
      "r339",
      "r392",
      "r407"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": 1.0
      }
     },
     "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",
        "terseLabel": "Net (loss)/income",
        "totalLabel": "Net (loss)/income"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "auth_ref": [
      "r117",
      "r118",
      "r119",
      "r120",
      "r125",
      "r126",
      "r136",
      "r139",
      "r153",
      "r154",
      "r157",
      "r158",
      "r160"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.",
        "label": "Net Income (Loss) Available to Common Stockholders, Basic",
        "totalLabel": "Net (loss)/income available to common shareholders, basic"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted": {
     "auth_ref": [
      "r127",
      "r130",
      "r131",
      "r132",
      "r133",
      "r136",
      "r139"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.",
        "label": "Net Income (Loss) Available to Common Stockholders, Diluted",
        "totalLabel": "Net (loss)/income available to common shareholders, diluted"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersDiluted",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "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": "Recent Accounting Pronouncements"
       }
      }
     },
     "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NondesignatedMember": {
     "auth_ref": [
      "r306"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP).",
        "label": "Not Designated as Hedging Instrument [Member]",
        "terseLabel": "Not designated as hedging instrument"
       }
      }
     },
     "localname": "NondesignatedMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsDerivativesNotDesignatedasHedgingInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_NonoperatingIncomeExpenseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Nonoperating Income (Expense) [Abstract]",
        "terseLabel": "OTHER (EXPENSE)/INCOME:"
       }
      }
     },
     "localname": "NonoperatingIncomeExpenseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingCostsAndExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      },
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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. Excludes Selling, General and Administrative Expense.",
        "label": "Operating Costs and Expenses",
        "negatedLabel": "Vessel operating expenses",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "OperatingCostsAndExpenses",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations",
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Expenses [Abstract]",
        "terseLabel": "Operating Expenses [Abstract]"
       }
      }
     },
     "localname": "OperatingExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OperatingIncomeLoss": {
     "auth_ref": [
      "r153",
      "r154",
      "r157",
      "r158",
      "r160"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "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": "Operating (loss)/income"
       }
      }
     },
     "localname": "OperatingIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OperatingInsuranceAndClaimsCostsProduction": {
     "auth_ref": [
      "r78"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_OperatingCostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Insurance and claims costs directly related to goods produced and sold, or services rendered, during the reporting period.",
        "label": "Operating Insurance and Claims Costs, Production",
        "terseLabel": "Insurance"
       }
      }
     },
     "localname": "OperatingInsuranceAndClaimsCostsProduction",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherAssetsNoncurrent": {
     "auth_ref": [
      "r44"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of noncurrent assets classified as other.",
        "label": "Other Assets, Noncurrent",
        "terseLabel": "Other non current assets"
       }
      }
     },
     "localname": "OtherAssetsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherCostAndExpenseOperating": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails": {
       "order": 7.0,
       "parentTag": "us-gaap_OperatingCostsAndExpenses",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.",
        "label": "Other Cost and Expense, Operating",
        "terseLabel": "Miscellaneous"
       }
      }
     },
     "localname": "OtherCostAndExpenseOperating",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselOperatingExpensesScheduleofOperatingExpensesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherIncome": {
     "auth_ref": [
      "r409"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails": {
       "order": 1.0,
       "parentTag": "sb_TimeCharterAndVoyageRevenue",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of revenue and income classified as other.",
        "label": "Other Income",
        "terseLabel": "Other income"
       }
      }
     },
     "localname": "OtherIncome",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesRevenuesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherLiabilitiesNoncurrent": {
     "auth_ref": [
      "r52"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.",
        "label": "Other Liabilities, Noncurrent",
        "terseLabel": "Other non-current liabilities"
       }
      }
     },
     "localname": "OtherLiabilitiesNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherNonoperatingIncomeExpense": {
     "auth_ref": [
      "r81"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of income (expense) related to nonoperating activities, classified as other.",
        "label": "Other Nonoperating Income (Expense)",
        "terseLabel": "Other finance cost"
       }
      }
     },
     "localname": "OtherNonoperatingIncomeExpense",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfCommonStock": {
     "auth_ref": [
      "r85"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 7.0,
       "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock": {
     "auth_ref": [
      "r85"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for reacquisition of callable preferred stock.",
        "label": "Payments for Repurchase of Redeemable Preferred Stock",
        "negatedLabel": "Repurchase/redemption of preferred stock"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfRedeemablePreferredStock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock": {
     "auth_ref": [
      "r85"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.",
        "label": "Payments of Ordinary Dividends, Preferred Stock and Preference Stock",
        "terseLabel": "Payments of ordinary dividends, preferred stock and preference stock"
       }
      }
     },
     "localname": "PaymentsOfDividendsPreferredStockAndPreferenceStock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfFinancingCosts": {
     "auth_ref": [
      "r87"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for loan and debt issuance costs.",
        "label": "Payments of Financing Costs",
        "negatedLabel": "Payment of deferred financing costs"
       }
      }
     },
     "localname": "PaymentsOfFinancingCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfOrdinaryDividends": {
     "auth_ref": [
      "r85"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings.",
        "label": "Payments of Ordinary Dividends",
        "negatedLabel": "Dividends paid"
       }
      }
     },
     "localname": "PaymentsOfOrdinaryDividends",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfStockIssuanceCosts": {
     "auth_ref": [
      "r87"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "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",
        "negatedTerseLabel": "Payment of common stock offering expenses"
       }
      }
     },
     "localname": "PaymentsOfStockIssuanceCosts",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PreferredStockDividendsIncomeStatementImpact": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.",
        "label": "Preferred Stock Dividends, Income Statement Impact",
        "terseLabel": "Less Preferred dividend",
        "verboseLabel": "Less preferred dividend"
       }
      }
     },
     "localname": "PreferredStockDividendsIncomeStatementImpact",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r32",
      "r240"
     ],
     "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 value (in USD per share)"
       }
      }
     },
     "localname": "PreferredStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r32"
     ],
     "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",
        "verboseLabel": "Preferred stock, shares authorized (in shares)"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r32",
      "r240"
     ],
     "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, issued (in shares)"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r32"
     ],
     "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",
        "verboseLabel": "Preferred stock, shares outstanding (in shares)"
       }
      }
     },
     "localname": "PreferredStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r32",
      "r368"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.",
        "label": "Preferred Stock, Value, Issued",
        "terseLabel": "Preferred stock, $0.01 par value; 20,000,000 authorized, 2,297,504 and 2,297,504 Series C Preferred Shares, 3,195,050 and 3,195,050 Series D Preferred Shares, issued and outstanding at December 31, 2020 and September 30, 2021, respectively"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": {
     "auth_ref": [
      "r19",
      "r39",
      "r40"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 8.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "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 that are expected to be realized or consumed within one year or the normal operating cycle, if longer.",
        "label": "Prepaid Expense and Other Assets, Current",
        "terseLabel": "Prepaid expenses and other current assets"
       }
      }
     },
     "localname": "PrepaidExpenseAndOtherAssetsCurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfCommonStock": {
     "auth_ref": [
      "r83"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from the additional capital contribution to the entity.",
        "label": "Proceeds from Issuance of Common Stock",
        "terseLabel": "Proceeds on issuance of common stock"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfLongTermDebt": {
     "auth_ref": [
      "r84"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.",
        "label": "Proceeds from Issuance of Long-term Debt",
        "terseLabel": "Proceeds from long-term debt"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment": {
     "auth_ref": [
      "r82"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.",
        "label": "Proceeds from Sale of Property, Plant, and Equipment",
        "terseLabel": "Proceeds from sale of vessels"
       }
      }
     },
     "localname": "ProceedsFromSaleOfPropertyPlantAndEquipment",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment [Abstract]",
        "terseLabel": "Property, Plant and Equipment [Abstract]"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": {
     "auth_ref": [
      "r177",
      "r419",
      "r420",
      "r421"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.",
        "label": "Property, Plant and Equipment Disclosure [Text Block]",
        "terseLabel": "Vessels, Net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNet"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentGross": {
     "auth_ref": [
      "r42",
      "r168"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Gross",
        "periodEndLabel": "Ending Balance",
        "periodStartLabel": "Beginning Balance"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentGrossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment, Gross [Abstract]",
        "terseLabel": "Vessel Cost"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentGrossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNet": {
     "auth_ref": [
      "r24",
      "r25",
      "r170",
      "r368",
      "r395",
      "r405"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 2.0,
       "parentTag": "sb_FixedAssetsNet",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Net",
        "periodEndLabel": "Ending Balance",
        "periodStartLabel": "Beginning Balance",
        "terseLabel": "Vessels, net"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNet",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets",
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, Plant and Equipment, Net [Abstract]",
        "terseLabel": "Net Book Value"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PropertyPlantAndEquipmentTransfersAndChanges": {
     "auth_ref": [
      "r171"
     ],
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.",
        "label": "Property, Plant and Equipment, Transfers and Changes",
        "terseLabel": "Transfer from Advances for vessels (Note 5)"
       }
      }
     },
     "localname": "PropertyPlantAndEquipmentTransfersAndChanges",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/VesselsNetScheduleofVesselsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Transaction, Due from (to) Related Party, Current [Abstract]",
        "terseLabel": "Related Party Transaction, Due from (to) Related Party, Current [Abstract]"
       }
      }
     },
     "localname": "RelatedPartyTransactionDueFromToRelatedPartyCurrentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTheManagersDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 8.0,
       "parentTag": "us-gaap_OperatingIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.",
        "label": "Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party",
        "negatedLabel": "Management fee to related parties",
        "verboseLabel": "Ship Management Fees"
       }
      }
     },
     "localname": "RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesScheduleofFeesChargedbyManagersDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": {
     "auth_ref": [
      "r360",
      "r361",
      "r362",
      "r364",
      "r365"
     ],
     "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": "Transactions with Related Parties"
       }
      }
     },
     "localname": "RelatedPartyTransactionsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedParties"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RepaymentsOfLongTermDebt": {
     "auth_ref": [
      "r86"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.",
        "label": "Repayments of Long-term Debt",
        "negatedLabel": "Principal payments of long-term debt"
       }
      }
     },
     "localname": "RepaymentsOfLongTermDebt",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r17",
      "r23",
      "r95",
      "r100"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_AssetsCurrent",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. 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": "Restricted Cash and Cash Equivalents, Current",
        "terseLabel": "Restricted cash \u2013 Current assets",
        "verboseLabel": "Restricted cash"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalentsAtCarryingValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RestrictedCashAndCashEquivalentsNoncurrent": {
     "auth_ref": [
      "r21",
      "r26",
      "r95",
      "r100",
      "r417"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 6.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. 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": "Restricted Cash and Cash Equivalents, Noncurrent",
        "terseLabel": "Restricted cash",
        "verboseLabel": "Restricted cash \u2013 Non current assets"
       }
      }
     },
     "localname": "RestrictedCashAndCashEquivalentsNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r35",
      "r263",
      "r295",
      "r368",
      "r403",
      "r415",
      "r416"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "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": "Retained earnings"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsMember": {
     "auth_ref": [
      "r0",
      "r112",
      "r113",
      "r114",
      "r116",
      "r122",
      "r124",
      "r164",
      "r292",
      "r293",
      "r294",
      "r296",
      "r297",
      "r326",
      "r412",
      "r414"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings [Member]",
        "terseLabel": "Retained Earnings"
       }
      }
     },
     "localname": "RetainedEarningsMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligation": {
     "auth_ref": [
      "r269"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.",
        "label": "Revenue, Remaining Performance Obligation, Amount",
        "terseLabel": "Remaining performance obligation"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesAdditionalInformationDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenuesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenues [Abstract]",
        "terseLabel": "REVENUES:"
       }
      }
     },
     "localname": "RevenuesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevolvingCreditFacilityMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.",
        "label": "Revolving Credit Facility [Member]",
        "terseLabel": "Revolving credit facility"
       }
      }
     },
     "localname": "RevolvingCreditFacilityMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SaleLeasebackTransactionDescriptionAxis": {
     "auth_ref": [
      "r358",
      "r359"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information pertinent to a sale and leaseback transaction, by transaction.",
        "label": "Sale Leaseback Transaction, Description [Axis]",
        "terseLabel": "Sale Leaseback Transaction, Description [Axis]"
       }
      }
     },
     "localname": "SaleLeasebackTransactionDescriptionAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SaleLeasebackTransactionNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The name of the significant provisions of the transaction involving the sale of property to another party and the lease of the property back to the seller.",
        "label": "Sale Leaseback Transaction, Name [Domain]",
        "terseLabel": "Sale Leaseback Transaction, Name [Domain]"
       }
      }
     },
     "localname": "SaleLeasebackTransactionNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "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 [Domain]"
       }
      }
     },
     "localname": "SaleOfStockNameOfTransactionDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.",
        "label": "Sale of Stock, Number of Shares Issued in Transaction",
        "terseLabel": "Number of shares issued in transaction (in shares)"
       }
      }
     },
     "localname": "SaleOfStockNumberOfSharesIssuedInTransaction",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "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": "Schedule of Debt"
       }
      }
     },
     "localname": "ScheduleOfDebtTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock": {
     "auth_ref": [
      "r309",
      "r315",
      "r320"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.",
        "label": "Derivative Instruments, Gain (Loss) [Table Text Block]",
        "terseLabel": "Derivative Instruments, Gain (Loss)"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": {
     "auth_ref": [
      "r313"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.",
        "label": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]",
        "terseLabel": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r139"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.",
        "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]",
        "terseLabel": "Computation of Basic Earnings/(Loss) Per Share"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock": {
     "auth_ref": [
      "r161"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.",
        "label": "Revenue from External Customers by Products and Services [Table Text Block]",
        "terseLabel": "Revenues"
       }
      }
     },
     "localname": "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/RevenuesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": {
     "auth_ref": [
      "r330",
      "r331"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).",
        "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]",
        "terseLabel": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis"
       }
      }
     },
     "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock": {
     "auth_ref": [
      "r315"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of interest rate derivatives, including, but not limited to, the fair value of the derivatives, statement of financial position location, and statement of financial performance location of these instruments.",
        "label": "Schedule of Interest Rate Derivatives [Table Text Block]",
        "terseLabel": "Schedule of Interest Rate Derivatives"
       }
      }
     },
     "localname": "ScheduleOfInterestRateDerivativesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/FairValueofFinancialInstrumentsandDerivativesInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": {
     "auth_ref": [
      "r187"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt.",
        "label": "Schedule of Maturities of Long-term Debt [Table Text Block]",
        "terseLabel": "Schedule of Maturities of Long-term Debt"
       }
      }
     },
     "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, 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 [Table Text Block]",
        "terseLabel": "Schedule of Related Party Transactions"
       }
      }
     },
     "localname": "ScheduleOfRelatedPartyTransactionsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfStockByClassTable": {
     "auth_ref": [
      "r54",
      "r103",
      "r147",
      "r148",
      "r236",
      "r238",
      "r239",
      "r240",
      "r241",
      "r242",
      "r243",
      "r245",
      "r249",
      "r254",
      "r257",
      "r258",
      "r259",
      "r260",
      "r261",
      "r262",
      "r263"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SecuredDebtMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets.",
        "label": "Secured Debt [Member]",
        "terseLabel": "Secured debt"
       }
      }
     },
     "localname": "SecuredDebtMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LongTermDebtAdditionalInformationDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/TransactionswithRelatedPartiesCreditFacilityDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SeriesAPreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Outstanding nonredeemable series A preferred stock or outstanding series A 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 A Preferred Stock [Member]",
        "terseLabel": "Series A Preferred Stock"
       }
      }
     },
     "localname": "SeriesAPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/DividendsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SeriesCPreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Outstanding nonredeemable series C preferred stock or outstanding series C 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 C Preferred Stock [Member]",
        "terseLabel": "Series C Preferred Stock"
       }
      }
     },
     "localname": "SeriesCPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SeriesDPreferredStockMember": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Outstanding nonredeemable series D preferred stock or outstanding series D 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 D Preferred Stock [Member]",
        "terseLabel": "Series D Preferred Stock"
       }
      }
     },
     "localname": "SeriesDPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensation": {
     "auth_ref": [
      "r92"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of noncash expense for share-based payment arrangement.",
        "label": "Share-based Payment Arrangement, Noncash Expense",
        "terseLabel": "Share based compensation"
       }
      }
     },
     "localname": "ShareBasedCompensation",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SignificantAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r101",
      "r111"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SignificantAccountingPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_StatementClassOfStockAxis": {
     "auth_ref": [
      "r31",
      "r32",
      "r33",
      "r103",
      "r106",
      "r128",
      "r129",
      "r134",
      "r137",
      "r139",
      "r147",
      "r148",
      "r149",
      "r163",
      "r189",
      "r194",
      "r195",
      "r196",
      "r200",
      "r201",
      "r240",
      "r241",
      "r245",
      "r249",
      "r256",
      "r339",
      "r425"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by the different classes of stock of the entity.",
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock [Axis]"
       }
      }
     },
     "localname": "StatementClassOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/DividendsDetails",
      "http://www.safebulkers.com/role/ShareCapitalDetails",
      "http://www.safebulkers.com/role/SubsequentEventsDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r0",
      "r55",
      "r71",
      "r72",
      "r73",
      "r112",
      "r113",
      "r114",
      "r116",
      "r122",
      "r124",
      "r146",
      "r164",
      "r256",
      "r263",
      "r292",
      "r293",
      "r294",
      "r296",
      "r297",
      "r326",
      "r345",
      "r346",
      "r347",
      "r348",
      "r349",
      "r350",
      "r412",
      "r413",
      "r414",
      "r426"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Information by component of equity.",
        "label": "Equity Components [Axis]",
        "terseLabel": "Equity Components [Axis]"
       }
      }
     },
     "localname": "StatementEquityComponentsAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "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/2021-01-31",
     "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/2021-01-31",
     "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/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [
      "r112",
      "r113",
      "r114",
      "r146",
      "r384"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheetsParenthetical",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockIssued1": {
     "auth_ref": [
      "r97",
      "r98",
      "r99"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The fair value of stock issued in noncash financing activities.",
        "label": "Stock Issued",
        "terseLabel": "Part payment of vessel advances through issuance of common stock and preferred stock"
       }
      }
     },
     "localname": "StockIssued1",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueNewIssues": {
     "auth_ref": [
      "r32",
      "r33",
      "r256",
      "r263"
     ],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.",
        "label": "Stock Issued During Period, Value, New Issues",
        "terseLabel": "Issuance of common stock"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Value, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).",
        "label": "Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture",
        "terseLabel": "Share based compensation"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueShareBasedCompensationGross",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchasedAndRetiredDuringPeriodValue": {
     "auth_ref": [
      "r32",
      "r33",
      "r256",
      "r263"
     ],
     "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": "Repurchase and cancellation of common and preferred stock"
       }
      }
     },
     "localname": "StockRepurchasedAndRetiredDuringPeriodValue",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r33",
      "r36",
      "r37",
      "r106",
      "r162",
      "r163",
      "r339",
      "r368"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 4.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "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",
        "periodEndLabel": "Ending Balance",
        "periodStartLabel": "Beginning Balance",
        "totalLabel": "Total shareholders\u2019 equity"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stockholders' Equity Attributable to Parent [Abstract]",
        "terseLabel": "SHAREHOLDERS\u2019 EQUITY:"
       }
      }
     },
     "localname": "StockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "auth_ref": [
      "r104",
      "r241",
      "r244",
      "r245",
      "r246",
      "r247",
      "r248",
      "r249",
      "r250",
      "r251",
      "r252",
      "r253",
      "r255",
      "r263",
      "r265"
     ],
     "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]",
        "verboseLabel": "Share Capital"
       }
      }
     },
     "localname": "StockholdersEquityNoteDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/ShareCapital"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SubsequentEventLineItems": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.",
        "label": "Subsequent Event [Line Items]",
        "terseLabel": "Subsequent Event [Line Items]"
       }
      }
     },
     "localname": "SubsequentEventLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [
      "r351",
      "r370"
     ],
     "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/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTable": {
     "auth_ref": [
      "r351",
      "r370"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.",
        "label": "Subsequent Event [Table]",
        "terseLabel": "Subsequent Event [Table]"
       }
      }
     },
     "localname": "SubsequentEventTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r351",
      "r370"
     ],
     "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 [Axis]"
       }
      }
     },
     "localname": "SubsequentEventTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r351",
      "r370"
     ],
     "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]"
       }
      }
     },
     "localname": "SubsequentEventTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEventsDetails"
     ],
     "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/2021-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventsTextBlock": {
     "auth_ref": [
      "r369",
      "r371"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.",
        "label": "Subsequent Events [Text Block]",
        "terseLabel": "Subsequent Events"
       }
      }
     },
     "localname": "SubsequentEventsTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/SubsequentEvents"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Different names of stock transactions and the different attributes of each transaction.",
        "label": "Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table]",
        "terseLabel": "Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table]"
       }
      }
     },
     "localname": "SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "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 [Axis]"
       }
      }
     },
     "localname": "SubsidiarySaleOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsidiarySaleOfStockLineItems": {
     "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": "Subsidiary, Sale of Stock [Line Items]",
        "terseLabel": "Subsidiary, Sale of Stock [Line Items]"
       }
      }
     },
     "localname": "SubsidiarySaleOfStockLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/BasisofPresentationandGeneralInformationScheduleofSubsidiariesDetails",
      "http://www.safebulkers.com/role/ShareCapitalDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-us": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental cash flow information:"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment": {
     "auth_ref": [],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders.",
        "label": "Temporary Equity, Accretion to Redemption Value, Adjustment",
        "terseLabel": "Less/(plus) Mezzanine equity measurement",
        "verboseLabel": "Less/(plus) mezzanine equity measurement"
       }
      }
     },
     "localname": "TemporaryEquityAccretionToRedemptionValueAdjustment",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TemporaryEquityCarryingAmountAttributableToParent": {
     "auth_ref": [
      "r189",
      "r194",
      "r195",
      "r196",
      "r200",
      "r201"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.",
        "label": "Temporary Equity, Carrying Amount, Attributable to Parent",
        "terseLabel": "MEZZANINE EQUITY - Redeemable non-controlling interest"
       }
      }
     },
     "localname": "TemporaryEquityCarryingAmountAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedBalanceSheets"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_TreasuryStockCommonMember": {
     "auth_ref": [
      "r264"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Previously issued common shares repurchased by the issuing entity and held in treasury.",
        "label": "Treasury Stock, Common [Member]",
        "terseLabel": "Treasury Stock"
       }
      }
     },
     "localname": "TreasuryStockCommonMember",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofShareholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain": {
     "auth_ref": [
      "r179",
      "r180",
      "r182",
      "r183"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "General description of the goods or services to be purchased from the counterparty to the unconditional purchase arrangement.",
        "label": "Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]",
        "terseLabel": "Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]"
       }
      }
     },
     "localname": "UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UnrealizedGainLossOnDerivatives": {
     "auth_ref": [
      "r93"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows": {
       "order": 14.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.",
        "label": "Unrealized Gain (Loss) on Derivatives",
        "negatedLabel": "Unrealized loss/(gain) on derivatives"
       }
      }
     },
     "localname": "UnrealizedGainLossOnDerivatives",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary": {
     "auth_ref": [
      "r180"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails": {
       "order": 2.0,
       "parentTag": "us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Unrecorded Unconditional Purchase Obligation, to be Paid, Year One",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary": {
     "auth_ref": [
      "r180"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails": {
       "order": 1.0,
       "parentTag": "us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary": {
     "auth_ref": [
      "r180"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails": {
       "order": 3.0,
       "parentTag": "us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).",
        "label": "Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three",
        "terseLabel": "2024"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount": {
     "auth_ref": [
      "r180"
     ],
     "calculation": {
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).",
        "label": "Unrecorded Unconditional Purchase Obligation",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis": {
     "auth_ref": [
      "r179",
      "r180",
      "r182"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Pertinent information about unrecorded unconditional purchase arrangements to acquire goods or services, by category of goods or services. arrangements to acquire goods or services, by category of goods or services.",
        "label": "Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]",
        "terseLabel": "Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems": {
     "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": "Unrecorded Unconditional Purchase Obligation [Line Items]",
        "terseLabel": "Unrecorded Unconditional Purchase Obligation [Line Items]"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_UnrecordedUnconditionalPurchaseObligationTable": {
     "auth_ref": [
      "r179",
      "r180",
      "r182"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Describes each unrecorded unconditional purchase obligation arrangement to purchase goods and services that extend over multiple periods, any assets pledged to secure payment, and the fixed or determinable amount of payments due in each of the next five years and thereafter.",
        "label": "Unrecorded Unconditional Purchase Obligation [Table]",
        "terseLabel": "Unrecorded Unconditional Purchase Obligation [Table]"
       }
      }
     },
     "localname": "UnrecordedUnconditionalPurchaseObligationTable",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/CommitmentsandContingenciesScheduleofCapitalExpenditureCommitmentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r127",
      "r139"
     ],
     "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 shares, diluted (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r125",
      "r139"
     ],
     "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 shares, basic (in shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2021-01-31",
     "presentation": [
      "http://www.safebulkers.com/role/LossEarningsPerShareScheduleofComputationofLossEarningsPerShareDetails",
      "http://www.safebulkers.com/role/UnauditedInterimCondensedConsolidatedStatementsofOperations"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 12
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "105",
   "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18726-107790"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(c))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(d))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(e)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(g)(1)(ii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(k)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(1)(iii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(m)(2)(ii))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)(2)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760"
  },
  "r110": {
   "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=120395691&loc=d3e24072-122690"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "23",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1448-109256"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1377-109256"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1505-109256"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1252-109256"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1278-109256"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721677-107760"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(2)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1930-109256"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "55",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2626-109256"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1337-109256"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e3842-109258"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e4984-109258"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "260",
   "URI": "http://asc.fasb.org/topic&trid=2144383"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70229-108054"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "272",
   "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/subtopic&trid=2122178"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "275",
   "URI": "http://asc.fasb.org/topic&trid=2134479"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r16": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "205",
   "URI": "http://asc.fasb.org/topic&trid=2122149"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599"
  },
  "r162": {
   "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=122038336&loc=d3e74512-122707"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=123351718&loc=d3e2473-110228"
  },
  "r167": {
   "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"
  },
  "r168": {
   "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"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r170": {
   "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"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230"
  },
  "r172": {
   "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"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "360",
   "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=SL51724579-110230"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "360",
   "URI": "http://asc.fasb.org/topic&trid=2155823"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "420",
   "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "440",
   "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25383-109308"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "http://asc.fasb.org/topic&trid=2144648"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123465755&loc=SL6230698-112601"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(i))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(ii))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii)(B))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iii))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(4)(iv))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-01(a)(5))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(i))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iii)(C))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6801-107765"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(4)(iv))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r201": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.13-02(a)(5))",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(f)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(g)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(h)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6812-107765"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(i)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6935-107765"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611"
  },
  "r222": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1F",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1I",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611"
  },
  "r23": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69B",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69C",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69E",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "69F",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495745-112612"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "http://asc.fasb.org/topic&trid=2208564"
  },
  "r236": {
   "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=122040564&loc=d3e177068-122764"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 3.C)",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=122040564&loc=d3e177168-122764"
  },
  "r238": {
   "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"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21553-112644"
  },
  "r24": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(i)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644"
  },
  "r25": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "18",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21484-112644"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21488-112644"
  },
  "r26": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21521-112644"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21538-112644"
  },
  "r263": {
   "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=120397183&loc=d3e187085-122770"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "505",
   "URI": "http://asc.fasb.org/topic&trid=2208762"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130533-203044"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045"
  },
  "r27": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(i)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r28": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(01)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(A)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(B)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(02)(C)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(iv)(03)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(a)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(d)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947"
  },
  "r29": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(a)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450673-114947"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "80",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(f)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(g)(2)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(2)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(d)(3)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760"
  },
  "r30": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5579240-113959"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=d3e41620-113959"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=d3e41638-113959"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
  },
  "r31": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959"
  },
  "r314": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4CC",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959"
  },
  "r318": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959"
  },
  "r319": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959"
  },
  "r32": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=d3e41641-113959"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=d3e41678-113959"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "182",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123421605&loc=SL5629052-113961"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "25",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(f)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123477628&loc=d3e90205-114008"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)(3)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)(4)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "815",
   "URI": "http://asc.fasb.org/topic&trid=2229140"
  },
  "r33": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "820",
   "URI": "http://asc.fasb.org/topic&trid=2155941"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123594938&loc=d3e13476-108611"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612"
  },
  "r34": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=120253306&loc=d3e28228-110885"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "35",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=123602790&loc=d3e30226-110892"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=125521441&loc=d3e30690-110894"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=124440516&loc=d3e30840-110895"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(a)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(c)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Subparagraph": "(d)",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900"
  },
  "r35": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901"
  },
  "r352": {
   "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"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629"
  },
  "r357": {
   "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"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "840",
   "URI": "http://asc.fasb.org/extlink&oid=123416376&loc=d3e50796-112755"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "842",
   "URI": "http://asc.fasb.org/extlink&oid=123417830&loc=SL77919786-209982"
  },
  "r36": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r362": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "850",
   "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864"
  },
  "r363": {
   "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"
  },
  "r364": {
   "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"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "850",
   "URI": "http://asc.fasb.org/topic&trid=2122745"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "852",
   "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "852",
   "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "852",
   "URI": "http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662"
  },
  "r37": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r370": {
   "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"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "855",
   "URI": "http://asc.fasb.org/topic&trid=2122774"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r38": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719"
  },
  "r382": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "910",
   "URI": "http://asc.fasb.org/extlink&oid=123353855&loc=SL119991595-234733"
  },
  "r383": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "310",
   "Subparagraph": "(b)",
   "Topic": "912",
   "URI": "http://asc.fasb.org/extlink&oid=123371682&loc=d3e55415-109406"
  },
  "r384": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 11.L)",
   "Topic": "924",
   "URI": "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856"
  },
  "r385": {
   "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=120398452&loc=d3e534808-122878"
  },
  "r386": {
   "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=120398452&loc=d3e534808-122878"
  },
  "r387": {
   "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=120398452&loc=d3e534808-122878"
  },
  "r388": {
   "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=120398452&loc=d3e534808-122878"
  },
  "r389": {
   "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=120398452&loc=d3e534808-122878"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(7))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r390": {
   "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=120398452&loc=d3e534808-122878"
  },
  "r391": {
   "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=120398452&loc=d3e534808-122878"
  },
  "r392": {
   "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=120399700&loc=SL114874048-224260"
  },
  "r393": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(27))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260"
  },
  "r394": {
   "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=120399700&loc=SL114874048-224260"
  },
  "r395": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=124429447&loc=SL124453093-239630"
  },
  "r396": {
   "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"
  },
  "r397": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823"
  },
  "r398": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r399": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1474-107760"
  },
  "r40": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r400": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r401": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r402": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r403": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r404": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r405": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910"
  },
  "r406": {
   "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=120400017&loc=d3e572229-122910"
  },
  "r407": {
   "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=120400993&loc=SL114874131-224263"
  },
  "r408": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(23))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r409": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04.4)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263"
  },
  "r41": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r410": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Subparagraph": "(d)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439"
  },
  "r411": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "29F",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117819544-158441"
  },
  "r412": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r413": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(1)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r414": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(f)(2)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r415": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(g)(2)(i)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r416": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "40",
   "Subparagraph": "(h)(2)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641"
  },
  "r417": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "210",
   "Topic": "954",
   "URI": "http://asc.fasb.org/extlink&oid=120413173&loc=SL116631458-115580"
  },
  "r418": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "440",
   "Subparagraph": "(a)",
   "Topic": "954",
   "URI": "http://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629"
  },
  "r419": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Subparagraph": "(d)",
   "Topic": "958",
   "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916"
  },
  "r42": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r420": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "958",
   "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916"
  },
  "r421": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "360",
   "Topic": "958",
   "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916"
  },
  "r422": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Subparagraph": "(c)",
   "Topic": "976",
   "URI": "http://asc.fasb.org/extlink&oid=6497875&loc=d3e22274-108663"
  },
  "r423": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "310",
   "Subparagraph": "(b)",
   "Topic": "978",
   "URI": "http://asc.fasb.org/extlink&oid=123360121&loc=d3e27327-108691"
  },
  "r424": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r425": {
   "Name": "Regulation S-K (SK)",
   "Number": "229",
   "Paragraph": "(a)",
   "Publisher": "SEC",
   "Section": "1402"
  },
  "r426": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "65",
   "SubTopic": "10",
   "Subparagraph": "(a)(3)(iii)(03)",
   "Topic": "848"
  },
  "r43": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r44": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b),22(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19,20)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r48": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r49": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721659-107760"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.21)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r51": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r52": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r53": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r54": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r55": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.3(a)(2))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.6(a))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r58": {
   "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=120391452&loc=d3e13212-122682"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.9)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721663-107760"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313"
  },
  "r65": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "21",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226049-175313"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067"
  },
  "r74": {
   "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=123367319&loc=SL114868664-224227"
  },
  "r75": {
   "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=123367319&loc=SL114868664-224227"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(25))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(2))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.2(a),(d))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r79": {
   "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=123367319&loc=SL114868664-224227"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721671-107760"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.7(b))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.9)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "205",
   "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586"
  }
 },
 "version": "2.1"
}
