{
 "instance": {
  "cim-93019x10xq.htm": {
   "axisCustom": 1,
   "axisStandard": 37,
   "contextCount": 588,
   "dts": {
    "calculationLink": {
     "local": [
      "cim-20190930_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "cim-20190930_def.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml"
     ]
    },
    "inline": {
     "local": [
      "cim-93019x10xq.htm"
     ]
    },
    "labelLink": {
     "local": [
      "cim-20190930_lab.xml"
     ],
     "remote": [
      "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-doc-2019-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "cim-20190930_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-ref-2019-01-31.xml",
      "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "cim-20190930.xsd"
     ],
     "remote": [
      "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd",
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd",
      "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd",
      "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd",
      "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd",
      "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd",
      "http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd",
      "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd",
      "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd",
      "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd"
     ]
    }
   },
   "elementCount": 714,
   "entityCount": 1,
   "hidden": {
    "http://fasb.org/us-gaap/2019-01-31": 153,
    "http://www.chimerareit.com/20190930": 17,
    "http://xbrl.sec.gov/dei/2019-01-31": 5,
    "total": 175
   },
   "keyCustom": 127,
   "keyStandard": 347,
   "memberCustom": 59,
   "memberStandard": 64,
   "nsprefix": "cim",
   "nsuri": "http://www.chimerareit.com/20190930",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "0001000 - Document - Document and Entity Information",
     "role": "http://www.chimerareit.com/role/DocumentAndEntityInformation",
     "shortName": "Document and Entity Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "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": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2102100 - Disclosure - Summary of the Significant Accounting Policies",
     "role": "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPolicies",
     "shortName": "Summary of the Significant Accounting Policies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R11": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:AvailableForSaleSecuritiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2104100 - Disclosure - Mortgage-Backed Securities",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecurities",
     "shortName": "Mortgage-Backed Securities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:AvailableForSaleSecuritiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R12": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:SecuritizationLoansOnResidentialRealEstateHeldForInvestmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2105100 - Disclosure - Loans Held for Investment",
     "role": "http://www.chimerareit.com/role/LoansHeldForInvestment",
     "shortName": "Loans Held for Investment",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:SecuritizationLoansOnResidentialRealEstateHeldForInvestmentTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R13": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2106100 - Disclosure - Fair Value Measurements",
     "role": "http://www.chimerareit.com/role/FairValueMeasurements",
     "shortName": "Fair Value Measurements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R14": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2107100 - Disclosure - Repurchase Agreements",
     "role": "http://www.chimerareit.com/role/RepurchaseAgreements",
     "shortName": "Repurchase Agreements",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R15": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2108100 - Disclosure - Securitized Debt",
     "role": "http://www.chimerareit.com/role/SecuritizedDebt",
     "shortName": "Securitized Debt",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R16": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:ConsolidationOfVariableInterestEntitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2109100 - Disclosure - Consolidated Securitization Vehicles and Other Variable Interest Entities",
     "role": "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntities",
     "shortName": "Consolidated Securitization Vehicles and Other Variable Interest Entities",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:ConsolidationOfVariableInterestEntitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R17": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2113100 - Disclosure - Derivative Instruments",
     "role": "http://www.chimerareit.com/role/DerivativeInstruments",
     "shortName": "Derivative Instruments",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R18": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2114100 - Disclosure - Capital Stock",
     "role": "http://www.chimerareit.com/role/CapitalStock",
     "shortName": "Capital Stock",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R19": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ComprehensiveIncomeNoteTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2115100 - Disclosure - Accumulated Other Comprehensive Income",
     "role": "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncome",
     "shortName": "Accumulated Other Comprehensive Income",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ComprehensiveIncomeNoteTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R2": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001000 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION",
     "role": "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
     "shortName": "CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R20": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2116100 - Disclosure - Equity Compensation, Employment Agreements and other Benefit Plans",
     "role": "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlans",
     "shortName": "Equity Compensation, Employment Agreements and other Benefit Plans",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R21": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2117100 - Disclosure - Income Taxes",
     "role": "http://www.chimerareit.com/role/IncomeTaxes",
     "shortName": "Income Taxes",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:IncomeTaxDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R22": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:CreditRiskAndInterestRateRiskDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2118100 - Disclosure - Credit Risk and Interest Rate Risk",
     "role": "http://www.chimerareit.com/role/CreditRiskAndInterestRateRisk",
     "shortName": "Credit Risk and Interest Rate Risk",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:CreditRiskAndInterestRateRiskDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R23": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2119100 - Disclosure - Commitments and Contingencies",
     "role": "http://www.chimerareit.com/role/CommitmentsAndContingencies",
     "shortName": "Commitments and Contingencies",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R24": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2120100 - Disclosure - Subsequent Events",
     "role": "http://www.chimerareit.com/role/SubsequentEvents",
     "shortName": "Subsequent Events",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:SubsequentEventsTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R25": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:BasisOfPresentationAndConsolidationPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2202201 - Disclosure - Summary of the Significant Accounting Policies (Policies)",
     "role": "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesPolicies",
     "shortName": "Summary of the Significant Accounting Policies (Policies)",
     "subGroupType": "policies",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:BasisOfPresentationAndConsolidationPolicyTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R26": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2304301 - Disclosure - Mortgage-Backed Securities (Tables)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables",
     "shortName": "Mortgage-Backed Securities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R27": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:SecuritizedLoansHeldForInvestmentAtFairValueRollforwardTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2305301 - Disclosure - Loans Held for Investment (Tables)",
     "role": "http://www.chimerareit.com/role/LoansHeldForInvestmentTables",
     "shortName": "Loans Held for Investment (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:SecuritizedLoansHeldForInvestmentAtFairValueRollforwardTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R28": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueOptionQuantitativeDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2306301 - Disclosure - Fair Value Measurements (Tables)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsTables",
     "shortName": "Fair Value Measurements (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:FairValueOptionQuantitativeDisclosuresTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R29": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRepurchaseAgreements",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2307301 - Disclosure - Repurchase Agreements (Tables)",
     "role": "http://www.chimerareit.com/role/RepurchaseAgreementsTables",
     "shortName": "Repurchase Agreements (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfRepurchaseAgreements",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R3": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember_us-gaap_ShortTermDebtTypeAxis_us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1001501 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical)",
     "role": "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
     "shortName": "CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R30": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtInstrumentRedemptionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2308301 - Disclosure - Securitized Debt (Tables)",
     "role": "http://www.chimerareit.com/role/SecuritizedDebtTables",
     "shortName": "Securitized Debt (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:DebtInstrumentRedemptionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R31": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:ScheduleOfConsolidatedSecuritizationEntitiesOnFinancialConditionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2309301 - Disclosure - Consolidated Securitization Vehicles and Other Variable Interest Entities (Tables)",
     "role": "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesTables",
     "shortName": "Consolidated Securitization Vehicles and Other Variable Interest Entities (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:ScheduleOfConsolidatedSecuritizationEntitiesOnFinancialConditionTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R32": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2313301 - Disclosure - Derivative Instruments (Tables)",
     "role": "http://www.chimerareit.com/role/DerivativeInstrumentsTables",
     "shortName": "Derivative Instruments (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R33": {
     "firstAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2314301 - Disclosure - Capital Stock (Tables)",
     "role": "http://www.chimerareit.com/role/CapitalStockTables",
     "shortName": "Capital Stock (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R34": {
     "firstAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2315301 - Disclosure - Accumulated Other Comprehensive Income (Tables)",
     "role": "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeTables",
     "shortName": "Accumulated Other Comprehensive Income (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R35": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OffsettingLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2318301 - Disclosure - Credit Risk and Interest Rate Risk (Tables)",
     "role": "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskTables",
     "shortName": "Credit Risk and Interest Rate Risk (Tables)",
     "subGroupType": "tables",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OffsettingLiabilitiesTableTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R36": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:NumberOfWhollyOwnedSubsidiaries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "subsidiary",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2401401 - Disclosure - Organization - Narrative (Detail)",
     "role": "http://www.chimerareit.com/role/OrganizationNarrativeDetail",
     "shortName": "Organization - Narrative (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:NumberOfWhollyOwnedSubsidiaries",
      "reportCount": 1,
      "unique": true,
      "unitRef": "subsidiary",
      "xsiNil": "false"
     }
    },
    "R37": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2402402 - Disclosure - Summary of the Significant Accounting Policies (Details)",
     "role": "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesDetails",
     "shortName": "Summary of the Significant Accounting Policies (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R38": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InvestmentOwnedBalancePrincipalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404402 - Disclosure - Mortgage-Backed Securities - Summary (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
     "shortName": "Mortgage-Backed Securities - Summary (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "lang": null,
      "name": "cim:AvailableForSaleUnamortizedPremium",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R39": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfMovementInAccretableYieldOnSecuritiesHavingDeterioratedCreditAtAcquisitionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q2_us-gaap_InformationByCategoryOfDebtSecurityAxis_us-gaap_AvailableforsaleSecuritiesMember_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesHavingDeterioratedCreditWhenAcquiredMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404403 - Disclosure - Mortgage-Backed Securities - Accretable Yield (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail",
     "shortName": "Mortgage-Backed Securities - Accretable Yield (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfMovementInAccretableYieldOnSecuritiesHavingDeterioratedCreditAtAcquisitionTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q2_us-gaap_InformationByCategoryOfDebtSecurityAxis_us-gaap_AvailableforsaleSecuritiesMember_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesHavingDeterioratedCreditWhenAcquiredMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R4": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InvestmentIncomeInterest",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS",
     "role": "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
     "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InvestmentIncomeInterest",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R40": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2018Q4_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesHavingDeterioratedCreditWhenAcquiredMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesOutstandingBalance",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404404 - Disclosure - Mortgage-Backed Securities - Non-Agency Securities Having Deteriorated Credit When Acquired (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail",
     "shortName": "Mortgage-Backed Securities - Non-Agency Securities Having Deteriorated Credit When Acquired (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2017Q4_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesHavingDeterioratedCreditWhenAcquiredMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesOutstandingBalance",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R41": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfTemporaryImpairmentLossesInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404405 - Disclosure - Mortgage-Backed Securities - Unrealized Loss Positions (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
     "shortName": "Mortgage-Backed Securities - Unrealized Loss Positions (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfTemporaryImpairmentLossesInvestmentsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R42": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_AgencyPassThroughResidentialMortgageBackedSecuritiesMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404406 - Disclosure - Mortgage-Backed Securities - Investment Holdings - Narrative (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
     "shortName": "Mortgage-Backed Securities - Investment Holdings - Narrative (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_AgencyPassThroughResidentialMortgageBackedSecuritiesMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R43": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404407 - Disclosure - Mortgage-Backed Securities - Aggregate Other Than Temporary Impairments (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesAggregateOtherThanTemporaryImpairmentsDetail",
     "shortName": "Mortgage-Backed Securities - Aggregate Other Than Temporary Impairments (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R44": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q2_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404408 - Disclosure - Mortgage-Backed Securities - Non-Agency Securities Credit Losses (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail",
     "shortName": "Mortgage-Backed Securities - Non-Agency Securities Credit Losses (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q2_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R45": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "cim:OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLossSeverityRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404409 - Disclosure - Mortgage-Backed Securities - OTTI - Significant Inputs and Assumptions (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail",
     "shortName": "Mortgage-Backed Securities - OTTI - Significant Inputs and Assumptions (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "2",
      "first": true,
      "lang": null,
      "name": "cim:OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLossSeverityRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R46": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ResidentialMbsSummaryOfUnrealizedGainsAndLossesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:AvailableForSaleSecuritiesGrossUnrealizedGainsRecognizedInAccumulatedOtherComprehensiveIncome",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404410 - Disclosure - Mortgage-Backed Securities - Gross Unrealized Gains (Losses) (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
     "shortName": "Mortgage-Backed Securities - Gross Unrealized Gains (Losses) (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ResidentialMbsSummaryOfUnrealizedGainsAndLossesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:AvailableForSaleSecuritiesGrossUnrealizedGainsRecognizedInAccumulatedOtherComprehensiveIncome",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R47": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InvestmentOwnedBalancePrincipalAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404411 - Disclosure - Mortgage-Backed Securities - Collateral Characteristics (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
     "shortName": "Mortgage-Backed Securities - Collateral Characteristics (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ResidentialMortgageBackedSecuritiesCollateralCharacteristicsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FinancialInstrumentAxis_cim_NonAgencySeniorMortgageBackedSecuritiesAvailableForSaleMember_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "2",
      "lang": null,
      "name": "cim:InvestmentWeightedAverageAmortizedCostPerSecurity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usdPerShare",
      "xsiNil": "false"
     }
    },
    "R48": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:CreditRatingsOfResidentialMbsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:PercentageOfResidentialMBSPortfolioAtFairValueByCreditRating",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404412 - Disclosure - Mortgage-Backed Securities - Credit Ratings (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail",
     "shortName": "Mortgage-Backed Securities - Credit Ratings (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:CreditRatingsOfResidentialMbsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:PercentageOfResidentialMBSPortfolioAtFairValueByCreditRating",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R49": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404413 - Disclosure - Mortgage-Backed Securities - Maturities (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
     "shortName": "Mortgage-Backed Securities - Maturities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R5": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfConsolidatedVariableInterestEntitiesEffectsOnOperatingResultsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesAndSecuritizedLoansMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InterestIncomeSecuritiesMortgageBacked",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1002501 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)",
     "role": "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical",
     "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)",
     "subGroupType": "parenthetical",
     "uniqueAnchor": null
    },
    "R50": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfCollateralCharacteristicsOfUnderlyingMortgagesOfNonagencyMbsPortfolioTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "D2019Q3Sep30-302019_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:UnderlyingMortgageWeightedAverageMaturityPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404414 - Disclosure - Mortgage-Backed Securities - Geographical and Other Statistics (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail",
     "shortName": "Mortgage-Backed Securities - Geographical and Other Statistics (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfCollateralCharacteristicsOfUnderlyingMortgagesOfNonagencyMbsPortfolioTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "D2019Q3Sep30-302019_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "cim:UnderlyingMortgageWeightedAverageMaturityPeriod",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R51": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfPercentageOfNonagencyResidentialMbsByYearOriginatedTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "cim:PercentageOfPortfolioOriginatedInThirteenthYearPrecedingMostCurrentYearOfReport",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404415 - Disclosure - Mortgage-Backed Securities - Year Originated (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail",
     "shortName": "Mortgage-Backed Securities - Year Originated (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfPercentageOfNonagencyResidentialMbsByYearOriginatedTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "cim:PercentageOfPortfolioOriginatedInThirteenthYearPrecedingMostCurrentYearOfReport",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R52": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:GainLossOnSalesOfMortgageBackedSecuritiesMBS",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2404416 - Disclosure - Mortgage-Backed Securities - Gains and Losses from Sales of Investments (Detail)",
     "role": "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail",
     "shortName": "Mortgage-Backed Securities - Gains and Losses from Sales of Investments (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD_us-gaap_FinancialInstrumentAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R53": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-8",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedDebtLoansHeldForInvestmentAtCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405402 - Disclosure - Loans Held for Investment - Narrative (Detail)",
     "role": "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
     "shortName": "Loans Held for Investment - Narrative (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-8",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedDebtLoansHeldForInvestmentAtCost",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R54": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2018Q4_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:MortgageLoansOnRealEstate",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405403 - Disclosure - Loans Held for Investment - Roll-Forward (Detail)",
     "role": "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
     "shortName": "Loans Held for Investment - Roll-Forward (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2017Q4_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:MortgageLoansOnRealEstate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R55": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfPercentageOfSecuritizedLoansHeldForInvestmentAtFairValueByYearOriginatedTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_cim_SeasonedSubprimeResidentialMortgageLoansMember_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "cim:PercentageOfPortfolioOriginatedInFourteenthYearAndPriorPrecedingMostCurrentYearOfReport",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405404 - Disclosure - Loans Held for Investment - Year Originated (Detail)",
     "role": "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
     "shortName": "Loans Held for Investment - Year Originated (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfPercentageOfSecuritizedLoansHeldForInvestmentAtFairValueByYearOriginatedTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_cim_SeasonedSubprimeResidentialMortgageLoansMember_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "cim:PercentageOfPortfolioOriginatedInFourteenthYearAndPriorPrecedingMostCurrentYearOfReport",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R56": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfSecuritizedLoansHeldForInvestmentAtFairValueKeyCharacteristicsOfUnderlyingCollateralTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_cim_SeasonedSubprimeResidentialMortgageLoansMember_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:NumberOfUnderlyingMortgageLoans",
      "reportCount": 1,
      "unique": true,
      "unitRef": "loan",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405405 - Disclosure - Loans Held for Investment - Collateral Characteristics (Detail)",
     "role": "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
     "shortName": "Loans Held for Investment - Collateral Characteristics (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfSecuritizedLoansHeldForInvestmentAtFairValueKeyCharacteristicsOfUnderlyingCollateralTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_cim_SeasonedSubprimeResidentialMortgageLoansMember_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:NumberOfUnderlyingMortgageLoans",
      "reportCount": 1,
      "unique": true,
      "unitRef": "loan",
      "xsiNil": "false"
     }
    },
    "R57": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfSecuritizedLoansHeldForInvestmentTypesAndCharacteristicsOfUnderlyingCollateralTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedResidentialMortgageLoansPrincipalAmountOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2405406 - Disclosure - Loans Held for Investment - Loan Products Type and Characteristics (Details)",
     "role": "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails",
     "shortName": "Loans Held for Investment - Loan Products Type and Characteristics (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfSecuritizedLoansHeldForInvestmentTypesAndCharacteristicsOfUnderlyingCollateralTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedResidentialMortgageLoansPrincipalAmountOutstanding",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R58": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cim_InvestmentswithDifferenceBetweenModelPriceandThirdPartyPriceMember_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:NumberOfInvestments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "loan",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406402 - Disclosure - Fair Value Measurements - Narrative (Details)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails",
     "shortName": "Fair Value Measurements - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_cim_InvestmentswithDifferenceBetweenModelPriceandThirdPartyPriceMember_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "cim:NumberOfInvestments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "loan",
      "xsiNil": "false"
     }
    },
    "R59": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:LoansOnResidentialRealEstateHeldForInvestmentAtFairValueNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406403 - Disclosure - Fair Value Measurements - Schedule of Unpaid Principal, Fair Value and Impact of Changes in Fair Value on Financial Instruments (Details)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
     "shortName": "Fair Value Measurements - Schedule of Unpaid Principal, Fair Value and Impact of Changes in Fair Value on Financial Instruments (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueOptionQuantitativeDisclosuresTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD_us-gaap_FinancialInstrumentAxis_us-gaap_ResidentialMortgageBackedSecuritiesMember_us-gaap_InvestmentTypeAxis_cim_SeniorResidentialMortgageBackedSecuritiesMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:FairValueOptionChangesInFairValueGainLoss1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R6": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1003000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)",
     "role": "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss",
     "shortName": "CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R60": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:NonAgencyResidentialMortgageBackedSecuritiesFairValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406404 - Disclosure - Fair Value Measurements - Level of Fair Value (Detail)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
     "shortName": "Fair Value Measurements - Level of Fair Value (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember",
      "decimals": "-3",
      "lang": null,
      "name": "cim:NonAgencyResidentialMortgageBackedSecuritiesFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R61": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD_us-gaap_DebtInstrumentAxis_cim_SecuritizedDebtLoansHeldForInvestmentAtFairValueMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetOtherThanTemporaryImpairments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406405 - Disclosure - Fair Value Measurements - Unobservable Input Reconciliation (Detail)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
     "shortName": "Fair Value Measurements - Unobservable Input Reconciliation (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD_us-gaap_DebtInstrumentAxis_cim_SecuritizedDebtLoansHeldForInvestmentAtFairValueMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetOtherThanTemporaryImpairments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R62": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_InvestmentTypeAxis_cim_NonAgencySeniorMortgageBackedSecuritiesAvailableForSaleMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406406 - Disclosure - Fair Value Measurements - Unobservable Inputs Assumptions - Non-Agency RMBS Held for Investment (Detail)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
     "shortName": "Fair Value Measurements - Unobservable Inputs Assumptions - Non-Agency RMBS Held for Investment (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_InvestmentTypeAxis_cim_NonAgencySeniorMortgageBackedSecuritiesAvailableForSaleMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R63": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FinancialInstrumentAxis_us-gaap_SecuredDebtMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406407 - Disclosure - Fair Value Measurements - Unobservable Inputs Assumptions - Securitized Debt (Detail)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
     "shortName": "Fair Value Measurements - Unobservable Inputs Assumptions - Securitized Debt (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_srt_RangeAxis_srt_WeightedAverageMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FinancialInstrumentAxis_us-gaap_SecuredDebtMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R64": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "cim:UnderlyingMortgagesCouponRatePercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406408 - Disclosure - Fair Value Measurements - Unobservable Inputs Assumptions - Loans Held for Investment (Detail)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
     "shortName": "Fair Value Measurements - Unobservable Inputs Assumptions - Loans Held for Investment (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_InvestmentTypeAxis_cim_LoansHeldForInvestmentAtFairValueMember",
      "decimals": "3",
      "first": true,
      "lang": null,
      "name": "cim:UnderlyingMortgagesCouponRatePercentage",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R65": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedDebtNonAgencyResidentialMortgageBackedSecurities",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2406409 - Disclosure - Fair Value Measurements - Carrying and Fair Values (Detail)",
     "role": "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
     "shortName": "Fair Value Measurements - Carrying and Fair Values (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:FairValueByBalanceSheetGroupingTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R66": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SecuritiesSoldUnderAgreementsToRepurchase",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407402 - Disclosure - Repurchase Agreements - Outstanding, Weighted Average Borrowing Rates, Weighted Average Remaining Maturities, Average Daily Balances and the Fair Value of Collateral Pledged (Detail)",
     "role": "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail",
     "shortName": "Repurchase Agreements - Outstanding, Weighted Average Borrowing Rates, Weighted Average Remaining Maturities, Average Daily Balances and the Fair Value of Collateral Pledged (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_AgencyResidentialMortgageBackedSecuritiesMember_us-gaap_ShortTermDebtTypeAxis_us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:SecuritiesSoldUnderAgreementsToRepurchase",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R67": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SecuritiesSoldUnderAgreementsToRepurchase",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2407403 - Disclosure - Repurchase Agreements - Maturities (Detail)",
     "role": "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail",
     "shortName": "Repurchase Agreements - Maturities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_us-gaap_MaturityOvernightMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:SecuritiesSoldUnderAgreementsToRepurchase",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R68": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:GainsLossesOnExtinguishmentOfDebt",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408402 - Disclosure - Securitized Debt - Narrative (Detail)",
     "role": "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
     "shortName": "Securitized Debt - Narrative (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2018Q3QTD_us-gaap_FinancialInstrumentAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember_us-gaap_LongtermDebtTypeAxis_cim_SecuritizedLoansMember",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:ExtinguishmentOfDebtAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R69": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FinancialInstrumentAxis_us-gaap_SecuredDebtMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408403 - Disclosure - Securitized Debt - Maturities (Detail)",
     "role": "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
     "shortName": "Securitized Debt - Maturities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_FinancialInstrumentAxis_us-gaap_SecuredDebtMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInNextTwelveMonths",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R7": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2017Q4",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1004000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY",
     "role": "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
     "shortName": "CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R70": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_LongtermDebtTypeAxis_cim_SecuritizedLoansMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedDebtLoansHeldForInvestmentPrincipalCallableRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2408404 - Disclosure - Securitized Debt - Callable Debt (Detail)",
     "role": "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail",
     "shortName": "Securitized Debt - Callable Debt (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_LongtermDebtTypeAxis_cim_SecuritizedLoansMember",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:SecuritizedDebtLoansHeldForInvestmentPrincipalCallableRemainderOfFiscalYear",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R71": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "-8",
      "first": true,
      "lang": null,
      "name": "us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409402 - Disclosure - Consolidated Securitization Vehicles and Other Variable Interest Entities - Narrative (Detail)",
     "role": "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
     "shortName": "Consolidated Securitization Vehicles and Other Variable Interest Entities - Narrative (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_InvestmentTypeAxis_cim_NonAgencyResidentialMortgageBackedSecuritiesMember",
      "decimals": "-8",
      "first": true,
      "lang": null,
      "name": "us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R72": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:NonAgencyResidentialMortgageBackedSecuritiesFairValue",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409403 - Disclosure - Consolidated Securitization Vehicles and Other Variable Interest Entities - Effect on Consolidated Financial Condition (Detail)",
     "role": "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
     "shortName": "Consolidated Securitization Vehicles and Other Variable Interest Entities - Effect on Consolidated Financial Condition (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember",
      "decimals": "-3",
      "lang": null,
      "name": "cim:NonAgencyResidentialMortgageBackedSecuritiesFairValue",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R73": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:InterestIncomeExpenseNet",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2409404 - Disclosure - Consolidated Securitization Vehicles and Other Variable Interest Entities - Effect on Consolidated Results (Detail)",
     "role": "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
     "shortName": "Consolidated Securitization Vehicles and Other Variable Interest Entities - Effect on Consolidated Results (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "cim:ScheduleOfConsolidatedVariableInterestEntitiesEffectsOnOperatingResultsTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R74": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeNotionalAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2413402 - Disclosure - Derivative Instruments - Effect on Consolidated Financial Condition (Detail)",
     "role": "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
     "shortName": "Derivative Instruments - Effect on Consolidated Financial Condition (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:DerivativeNotionalAmount",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R75": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:UnrealizedGainLossOnDerivatives",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2413403 - Disclosure - Derivative Instruments - Effect on Consolidated Results (Detail)",
     "role": "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail",
     "shortName": "Derivative Instruments - Effect on Consolidated Results (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD_us-gaap_FinancialInstrumentAxis_us-gaap_InterestRateSwapMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:UnrealizedGainLossOnDerivatives",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R76": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "cim:GainLossOnTerminationOfInterestRateSwaps",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2413404 - Disclosure - Derivative Instruments - Narrative (Detail)",
     "role": "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail",
     "shortName": "Derivative Instruments - Narrative (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2018Q4",
      "decimals": "4",
      "lang": null,
      "name": "cim:InterestRateSwapWeightedAveragePaymentRate",
      "reportCount": 1,
      "unique": true,
      "unitRef": "number",
      "xsiNil": "false"
     }
    },
    "R77": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2414402 - Disclosure - Capital Stock - Preferred Stock (Details)",
     "role": "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
     "shortName": "Capital Stock - Preferred Stock (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "D2019Q1Jan2019_us-gaap_StatementClassOfStockAxis_us-gaap_SeriesDPreferredStockMember",
      "decimals": "INF",
      "lang": null,
      "name": "us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction",
      "reportCount": 1,
      "unique": true,
      "unitRef": "shares",
      "xsiNil": "false"
     }
    },
    "R78": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "I2018Q1Feb282018",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockRepurchaseProgramAuthorizedAmount1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2414403 - Disclosure - Capital Stock - Common Stock (Detail)",
     "role": "http://www.chimerareit.com/role/CapitalStockCommonStockDetail",
     "shortName": "Capital Stock - Common Stock (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "I2018Q1Feb282018",
      "decimals": "INF",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockRepurchaseProgramAuthorizedAmount1",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R79": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2414404 - Disclosure - Capital Stock - Earnings Per Share (Detail)",
     "role": "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail",
     "shortName": "Capital Stock - Earnings Per Share (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:DilutiveSecurities",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R8": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:NetIncomeLoss",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "statement",
     "isDefault": "false",
     "longName": "1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS",
     "role": "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
     "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R80": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2018Q4",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:StockholdersEquity",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2415402 - Disclosure - Accumulated Other Comprehensive Income - Components of AOCI (Detail)",
     "role": "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail",
     "shortName": "Accumulated Other Comprehensive Income - Components of AOCI (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R81": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:GainLossOnSalesOfMortgageBackedSecuritiesMBS",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2415403 - Disclosure - Accumulated Other Comprehensive Income - Reclassifications from AOCI (Detail)",
     "role": "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
     "shortName": "Accumulated Other Comprehensive Income - Reclassifications from AOCI (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember",
      "decimals": "-3",
      "lang": null,
      "name": "us-gaap:GainLossOnSalesOfMortgageBackedSecuritiesMBS",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R82": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2416401 - Disclosure - Equity Compensation, Employment Agreements and other Benefit Plans - Narrative (Detail)",
     "role": "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail",
     "shortName": "Equity Compensation, Employment Agreements and other Benefit Plans - Narrative (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:AllocatedShareBasedCompensationExpense",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R83": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3QTD",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:IncomeTaxExpenseBenefit",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2417401 - Disclosure - Income Taxes (Details)",
     "role": "http://www.chimerareit.com/role/IncomeTaxesDetails",
     "shortName": "Income Taxes (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R84": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2418402 - Disclosure - Credit Risk and Interest Rate Risk - Offsetting Assets and Liabilities (Detail)",
     "role": "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
     "shortName": "Credit Risk and Interest Rate Risk - Offsetting Assets and Liabilities (Detail)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3",
      "decimals": "-3",
      "first": true,
      "lang": null,
      "name": "us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseGross",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R85": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "D2019Q3Sep30-302019",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "cim:InvestmentCompanyCommittedCapitalFunded",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2419401 - Disclosure - Commitments and Contingencies - Narrative (Details)",
     "role": "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
     "shortName": "Commitments and Contingencies - Narrative (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "D2019Q3Sep30-302019",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "cim:InvestmentCompanyCommittedCapitalFunded",
      "reportCount": 1,
      "unique": true,
      "unitRef": "usd",
      "xsiNil": "false"
     }
    },
    "R86": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_dei_LegalEntityAxis_cim_KahCapitalManagementLLCKAHCapitalMember_srt_ProductOrServiceAxis_cim_InvestmentAdvisoryServicesMember_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain_2019-07-01",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2419402 - Disclosure - Commitments and Contingencies - Revenue, Period of Recognition (Details)",
     "role": "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails",
     "shortName": "Commitments and Contingencies - Revenue, Period of Recognition (Details)",
     "subGroupType": "details",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FI2019Q3_dei_LegalEntityAxis_cim_KahCapitalManagementLLCKAHCapitalMember_srt_ProductOrServiceAxis_cim_InvestmentAdvisoryServicesMember_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain_2019-07-01",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    },
    "R87": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2018Q3QTD_us-gaap_FinancialInstrumentAxis_us-gaap_SecuredDebtMember_us-gaap_LongtermDebtTypeAxis_cim_SecuritizedLoansMember_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
      "decimals": "-6",
      "first": true,
      "lang": null,
      "name": "us-gaap:ExtinguishmentOfDebtAmount",
      "reportCount": 1,
      "unitRef": "usd",
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2420401 - Disclosure - Subsequent Events (Details)",
     "role": "http://www.chimerareit.com/role/SubsequentEventsDetails",
     "shortName": "Subsequent Events (Details)",
     "subGroupType": "details",
     "uniqueAnchor": null
    },
    "R9": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "disclosure",
     "isDefault": "false",
     "longName": "2101100 - Disclosure - Organization",
     "role": "http://www.chimerareit.com/role/Organization",
     "shortName": "Organization",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "div",
       "body",
       "html"
      ],
      "baseRef": "cim-93019x10xq.htm",
      "contextRef": "FD2019Q3YTD",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 133,
   "tag": {
    "cim_AAACreditRatingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "AAA Credit Rating [Member]",
        "label": "AAA Credit Rating [Member]",
        "terseLabel": "AAA"
       }
      }
     },
     "localname": "AAACreditRatingMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AACreditRatingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "AA credit rating as defined by external credit rating agencies.",
        "label": "AA Credit Rating [Member]",
        "terseLabel": "AA"
       }
      }
     },
     "localname": "AACreditRatingMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_ACreditRatingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A credit rating as defined by external credit rating agencies.",
        "label": "A Credit Rating [Member]",
        "terseLabel": "A"
       }
      }
     },
     "localname": "ACreditRatingMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AgencyCommercialMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Agency Commercial Mortgage Backed Securities [Member]",
        "label": "Agency Commercial Mortgage Backed Securities [Member]",
        "terseLabel": "Agency MBS - Commercial"
       }
      }
     },
     "localname": "AgencyCommercialMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AgencyInterestOnlyResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Agency Interest Only Residential Mortgage Backed Securities [Member]",
        "label": "Agency Interest Only Residential Mortgage Backed Securities [Member]",
        "terseLabel": "Agency MBS - Interest-only"
       }
      }
     },
     "localname": "AgencyInterestOnlyResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AgencyMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Agency Mortgage Backed Securities [Member]",
        "label": "Agency Mortgage Backed Securities [Member]",
        "terseLabel": "Agency MBS portfolio"
       }
      }
     },
     "localname": "AgencyMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AgencyPassThroughResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Agency Pass Through Residential Mortgage Backed Securities [Member]",
        "label": "Agency Pass Through Residential Mortgage Backed Securities [Member]",
        "terseLabel": "Agency RMBS - Pass-through"
       }
      }
     },
     "localname": "AgencyPassThroughResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AgencyResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Agency Residential Mortgage Backed Securities [Member]",
        "label": "Agency Residential Mortgage Backed Securities [Member]",
        "terseLabel": "Agency MBS - Residential"
       }
      }
     },
     "localname": "AgencyResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AltaMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "ALTA [Member]",
        "label": "ALTA [Member]",
        "terseLabel": "Alt-A"
       }
      }
     },
     "localname": "AltaMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AnacostiaLLCMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Anacostia LLC [Member]",
        "label": "Anacostia LLC [Member]",
        "terseLabel": "Anacostia LLC"
       }
      }
     },
     "localname": "AnacostiaLLCMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_AssetsExcessDeficitOfThirdPartyPricesOverUnderInternallyDevelopedPriceFairValueDisclosure": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Assets, Excess (Deficit) of Third Party Prices over (under) Internally Developed Price, Fair Value Disclosure",
        "label": "Assets, Excess (Deficit) Of Third Party Prices Over (Under) Internally Developed Price, Fair Value Disclosure",
        "terseLabel": "Excess (deficit) of third party prices over internally developed price"
       }
      }
     },
     "localname": "AssetsExcessDeficitOfThirdPartyPricesOverUnderInternallyDevelopedPriceFairValueDisclosure",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_AvailableForSaleDebtSecuritiesDiscount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of reductions from the principal amount of a debt instrument (the portion of face value expected to be collected), attributable to unamortized pricing discount and non-accretable estimated credit loss and cumulative other than temporary loss recognized in earnings, to derive amortized cost as of the reporting date.",
        "label": "Available For Sale Debt Securities Discount",
        "negatedLabel": "Total Discount"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesDiscount",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_AvailableForSaleSecuritiesDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the entire disclosure related to Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt.",
        "label": "Available For Sale Securities Disclosure [Text Block]",
        "terseLabel": "Mortgage-Backed Securities"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDisclosureTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecurities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_AvailableForSaleSecuritiesGrossUnrealizedGainsInDeficit": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of gross unrealized gain on available for sale securities as of the reporting date recognized in earnings.",
        "label": "Available For Sale Securities Gross Unrealized Gains In Deficit",
        "terseLabel": "Gross Unrealized Gain Included in Cumulative Earnings"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossUnrealizedGainsInDeficit",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_AvailableForSaleSecuritiesGrossUnrealizedGainsRecognizedInAccumulatedOtherComprehensiveIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of gross unrealized gain on available for sale securities as of the reporting date recognized in accumulated other comprehensive income.",
        "label": "Available For Sale Securities, Gross Unrealized Gains Recognized In Accumulated Other Comprehensive Income",
        "terseLabel": "Gross Unrealized Gain Included in Accumulated Other Comprehensive Income"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossUnrealizedGainsRecognizedInAccumulatedOtherComprehensiveIncome",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_AvailableForSaleSecuritiesGrossUnrealizedLossesInDeficit": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of gross unrealized losses on available for sale securities as of the reporting date recognized in earnings.",
        "label": "Available For Sale Securities Gross Unrealized Losses In Deficit",
        "negatedTerseLabel": "Gross Unrealized Loss Included in Cumulative Earnings"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossUnrealizedLossesInDeficit",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_AvailableForSaleSecuritiesGrossUnrealizedLossesRecognizedInAccumulatedOtherComprehensiveIncome": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of gross unrealized losses on available for sale securities as of the reporting date recognized in accumulated other comprehensive income.",
        "label": "Available For Sale Securities, Gross Unrealized Losses Recognized In Accumulated Other Comprehensive Income",
        "negatedTerseLabel": "Gross Unrealized Loss Included in Accumulated Other Comprehensive Income"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesGrossUnrealizedLossesRecognizedInAccumulatedOtherComprehensiveIncome",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_AvailableForSaleUnamortizedPremium": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of premium that was originally recognized at the issuance of the debt security that has yet to be amortized.",
        "label": "Available For Sale Unamortized Premium",
        "terseLabel": "Total Premium"
       }
      }
     },
     "localname": "AvailableForSaleUnamortizedPremium",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_BBBCreditRatingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "BBB credit rating as defined by external credit rating agencies.",
        "label": "BBB Credit Rating [Member]",
        "terseLabel": "BBB"
       }
      }
     },
     "localname": "BBBCreditRatingMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_BBCreditRatingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "BB credit rating as defined by external credit rating agencies.",
        "label": "BB Credit Rating [Member]",
        "terseLabel": "BB"
       }
      }
     },
     "localname": "BBCreditRatingMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_BCreditRatingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "B credit rating as defined by external credit rating agencies.",
        "label": "B Credit Rating [Member]",
        "terseLabel": "B"
       }
      }
     },
     "localname": "BCreditRatingMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_BankruptcyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Bankruptcy [Member]",
        "label": "Bankruptcy [Member]",
        "terseLabel": "Bankruptcy"
       }
      }
     },
     "localname": "BankruptcyMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_BasisOfPresentationAndConsolidationPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Describes the basis of accounting used to prepare the financial statements and the principles it follows in consolidating or combining subsidiaries and variable interest entities.",
        "label": "Basis Of Presentation And Consolidation [Policy Text Block]",
        "terseLabel": "Basis of Presentation and Consolidation and Statements of Financial Condition Presentation"
       }
      }
     },
     "localname": "BasisOfPresentationAndConsolidationPolicyTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_BelowBorNotRatedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Below B or Not Rated",
        "label": "Below B or Not Rated [Member]",
        "terseLabel": "Below B or not rated"
       }
      }
     },
     "localname": "BelowBorNotRatedMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Change in the estimate of cash flows expected to be collected, after acquisition of a loan, which results in an increase (decrease) in accretable yield. This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications (to) from Nonaccretable Difference",
        "terseLabel": "Reclassification (to) from non-accretable difference"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_CommercialPassthroughSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commercial Pass-through Securities [Member]",
        "label": "Commercial Pass-through Securities [Member]",
        "terseLabel": "Commercial Pass-through"
       }
      }
     },
     "localname": "CommercialPassthroughSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_ComprehensiveIncomeLossNetofTaxAttributabletoCommonShareholders": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Comprehensive Income (Loss), Net of Tax, Attributable to Common Shareholders",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Common Shareholders",
        "totalLabel": "Comprehensive income (loss) available to common stock shareholders"
       }
      }
     },
     "localname": "ComprehensiveIncomeLossNetofTaxAttributabletoCommonShareholders",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_ConsolidationOfVariableInterestEntitiesDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the entire disclosure made about the Company's interests in variable interest entities and their effects on the consolidated financial statements.",
        "label": "Consolidation Of Variable Interest Entities Disclosure[Text Block]",
        "terseLabel": "Consolidated Securitization Vehicles and Other Variable Interest Entities"
       }
      }
     },
     "localname": "ConsolidationOfVariableInterestEntitiesDisclosureTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntities"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_CreditRatingsOfResidentialMbsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular presentation of the percentage of RMBS in specified credit rating categories, such as AAA, AA, below B or not rated.",
        "label": "Credit Ratings of Residential MBS [Table Text Block]",
        "terseLabel": "Credit ratings of residential MBS"
       }
      }
     },
     "localname": "CreditRatingsOfResidentialMbsTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_CreditRiskAndInterestRateRiskDisclosureTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the entire disclosure made about significant risks of investment activities related to mortgage loans and mortgage backed securities. Risks may include credit risk, interest rate risk, repurchase risk and other related items.",
        "label": "Credit Risk And Interest Rate Risk Disclosure [Text Block]",
        "terseLabel": "Credit Risk and Interest Rate Risk"
       }
      }
     },
     "localname": "CreditRiskAndInterestRateRiskDisclosureTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRisk"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_DebtInstrumentCommitmentToAcquireLoans": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt Instrument, Commitment To Acquire Loans, Maximum",
        "label": "Debt Instrument, Commitment To Acquire Loans",
        "terseLabel": "Commitment to acquire loans"
       }
      }
     },
     "localname": "DebtInstrumentCommitmentToAcquireLoans",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_DefinedContribution401KPlanMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Defined Contribution 401 K Plan [Member]",
        "label": "Defined Contribution 401 K Plan [Member]",
        "terseLabel": "401(k) Plan"
       }
      }
     },
     "localname": "DefinedContribution401KPlanMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_DividendsDeclaredAndNotPaid": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of dividends declared, but not paid, as of the financial reporting date.",
        "label": "Dividends Declared And Not Paid",
        "terseLabel": "Dividends declared, not yet paid"
       }
      }
     },
     "localname": "DividendsDeclaredAndNotPaid",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueAssessorAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Assessor [Axis]",
        "label": "Fair Value Assessor [Axis]",
        "terseLabel": "Fair Value Assessor [Axis]"
       }
      }
     },
     "localname": "FairValueAssessorAxis",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_FairValueAssessorDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "[Domain] for Fair Value Assessor [Axis]",
        "label": "Fair Value Assessor [Domain]",
        "terseLabel": "Fair Value Assessor [Domain]"
       }
      }
     },
     "localname": "FairValueAssessorDomain",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAccretionAmortization": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal accretion (amortization) recognized during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Accretion (Amortization)",
        "terseLabel": "Net accretion (amortization)"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAccretionAmortization",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetCollections": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Collections made during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.",
        "label": "Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Collections",
        "negatedLabel": "Principal payments"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetCollections",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRealizedGainLossOnSalesAndSettlementsIncludedInEarnings": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) on Sales and Settlements Included in Earnings",
        "label": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) On Sales And Settlements Included In Earnings",
        "terseLabel": "Realized gains (losses) on sales and settlements",
        "verboseLabel": "Realized gains (losses) on sales and settlements"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRealizedGainLossOnSalesAndSettlementsIncludedInEarnings",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndSettlements": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales and Settlements",
        "label": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales And Settlements",
        "negatedTerseLabel": "Sales and settlements"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndSettlements",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAccretionAmortization": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal accretion (amortization) recognized during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Accretion (Amortization)",
        "terseLabel": "Securitized Debt, Net accretion (amortization)"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAccretionAmortization",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityCollections": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Collections made during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, liability, Collections",
        "negatedTerseLabel": "Securitized Debt, Principal payments"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityCollections",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySalesAndSettlements": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales and Settlements",
        "label": "Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements",
        "negatedTerseLabel": "Securitized Debt, Sales and Settlements"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySalesAndSettlements",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetOtherThanTemporaryImpairments": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other than temporary impairments recognized during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Than Temporary Impairments",
        "negatedLabel": "Other than temporary credit impairment losses"
       }
      }
     },
     "localname": "FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetOtherThanTemporaryImpairments",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FairValueOfSecuritiesExchangedDuringPeriod": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair Value Of Securities Exchanged During Period",
        "label": "Fair Value Of Securities Exchanged During Period",
        "terseLabel": "Fair value of securities exchanged during period"
       }
      }
     },
     "localname": "FairValueOfSecuritiesExchangedDuringPeriod",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_FinancingReceivableCreditQualityAltASecuritiesUnderlyingCollateralFICOScore": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Credit Quality, Alt-A Securities Underlying Collateral, FICO Score",
        "label": "Financing Receivable, Credit Quality, Alt-A Securities Underlying Collateral, FICO Score",
        "terseLabel": "FICO Score"
       }
      }
     },
     "localname": "FinancingReceivableCreditQualityAltASecuritiesUnderlyingCollateralFICOScore",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "pureItemType"
    },
    "cim_FinancingReceivableCreditQualityAltASecuritiesUnderlyingCollateralofFullDocumentedLoansPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Credit Quality, Alt A Securities Underlying Collateral of Full Documented Loans, Percent",
        "label": "Financing Receivable, Credit Quality, Alt A Securities Underlying Collateral of Full Documented Loans, Percent",
        "terseLabel": "Alt-A securities underlying collateral of full documented loans"
       }
      }
     },
     "localname": "FinancingReceivableCreditQualityAltASecuritiesUnderlyingCollateralofFullDocumentedLoansPercent",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_FinancingReceivableRecordedInvestmentPastDuePercentOfTotalAmountOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing Receivable, Recorded Investment, Past Due, Percent Of Total Amount Outstanding",
        "label": "Financing Receivable, Recorded Investment, Past Due, Percent Of Total Amount Outstanding",
        "terseLabel": "% of Unpaid Principal Balance"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentPastDuePercentOfTotalAmountOutstanding",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_ForeclosureMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Foreclosure [Member]",
        "label": "Foreclosure [Member]",
        "terseLabel": "Foreclosure"
       }
      }
     },
     "localname": "ForeclosureMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_GainLossOnTerminationOfInterestRateSwaps": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_GainLossOnDerivativeInstrumentsNetPretax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net gain (loss) recognized in the statement of operations upon termination of interest rate swap agreements.",
        "label": "Gain (Loss) On Termination Of Interest Rate Swaps",
        "terseLabel": "Realized gains (losses) on terminations of interest rate swaps"
       }
      }
     },
     "localname": "GainLossOnTerminationOfInterestRateSwaps",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_HainsPointMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Hains Point [Member]",
        "label": "Hains Point [Member]",
        "terseLabel": "Hains Point"
       }
      }
     },
     "localname": "HainsPointMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_InterestExpenseMortgagebackedSecurities": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents interest expense, including any amortization and accretion (as applicable) of discounts and premiums, on debt backed by a pool of mortgages or trust deeds. Mortgage-backed securities might represent mortgage pass-through securities, collateralized mortgage obligations (CMO), real estate mortgage investment conduits (REMICs), CMO and REMIC residuals, and stripped mortgage-backed securities.",
        "label": "Interest Expense, Mortgage-backed Securities",
        "terseLabel": "Interest expense, Non-recourse liabilities of VIEs"
       }
      }
     },
     "localname": "InterestExpenseMortgagebackedSecurities",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_InterestRateSwapWeightedAverageMaturity": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The weighted average maturity period of interest rate swap agreements.",
        "label": "Interest Rate Swap Weighted Average Maturity",
        "terseLabel": "The weighted average maturity on the Company's interest rate swaps"
       }
      }
     },
     "localname": "InterestRateSwapWeightedAverageMaturity",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "cim_InterestRateSwapWeightedAveragePaymentRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the reporting date, the weighted average rate (based on notional amount) the entity is contractually obligated to pay counterparties under interest rate swap agreements.",
        "label": "Interest Rate Swap Weighted Average Payment Rate",
        "terseLabel": "The weighted average pay rate on the Company's interest rate swaps"
       }
      }
     },
     "localname": "InterestRateSwapWeightedAveragePaymentRate",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_InterestRateSwapWeightedAverageReceiveRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the reporting date, the weighted average rate (based on notional amount) the entity is contractually entitled to receive from counterparties under interest rate swap agreements.",
        "label": "Interest Rate Swap Weighted Average Receive Rate",
        "terseLabel": "The weighted average receive rate on the Company's interest rate swaps"
       }
      }
     },
     "localname": "InterestRateSwapWeightedAverageReceiveRate",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_InterestReceivedDuringPeriod": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The gross amount of interest income received in cash during the period.",
        "label": "Interest Received During Period",
        "terseLabel": "Interest received"
       }
      }
     },
     "localname": "InterestReceivedDuringPeriod",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_InternalAssessmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Internal Assessment [Member]",
        "label": "Internal Assessment [Member]",
        "terseLabel": "Internal Assessment"
       }
      }
     },
     "localname": "InternalAssessmentMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_InvestmentAdvisoryServicesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investment Advisory Services [Member]",
        "label": "Investment Advisory Services [Member]",
        "terseLabel": "Investment Advisory Services"
       }
      }
     },
     "localname": "InvestmentAdvisoryServicesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_InvestmentCompanyCommittedCapitalFunded": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investment Company, Committed Capital, Funded",
        "label": "Investment Company, Committed Capital, Funded",
        "terseLabel": "Investment company, committed capital, funded"
       }
      }
     },
     "localname": "InvestmentCompanyCommittedCapitalFunded",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_InvestmentOwnedWeightedAverageOfStatedInterestRatesAtEndOfPeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the weighted average of stated or coupon rates of interest on investments owned as of the reporting date.",
        "label": "Investment Owned Weighted Average Of Stated Interest Rates At End Of Period",
        "terseLabel": "Weighted Average Coupon"
       }
      }
     },
     "localname": "InvestmentOwnedWeightedAverageOfStatedInterestRatesAtEndOfPeriod",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_InvestmentOwnedWeightedAverageYieldsOfInterestAtEndOfPeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the weighted average yield on investments owned as of the reporting date.",
        "label": "Investment Owned Weighted Average Yields Of Interest At End Of Period",
        "terseLabel": "Weighted Average Yield at Period-End"
       }
      }
     },
     "localname": "InvestmentOwnedWeightedAverageYieldsOfInterestAtEndOfPeriod",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_InvestmentWeightedAverageAmortizedCostPerSecurity": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the weighted average of the amortized costs of the securities (the average amount per security).",
        "label": "Investment Weighted Average Amortized Cost Per Security",
        "terseLabel": "Weighted Average Amortized Cost Basis"
       }
      }
     },
     "localname": "InvestmentWeightedAverageAmortizedCostPerSecurity",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "cim_InvestmentWeightedAverageFairValuePerSecurity": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the weighted average of the fair values of the securities (the average amount per security).",
        "label": "Investment Weighted Average Fair Value Per Security",
        "terseLabel": "Weighted Average Fair Value"
       }
      }
     },
     "localname": "InvestmentWeightedAverageFairValuePerSecurity",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "cim_InvestmentsAmortizedCostonLoansHeldinportfolioRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investments, Amortized Cost on Loans Held-in-portfolio [Roll Forward]",
        "label": "Investments, Amortized Cost on Loans Held-in-portfolio [Roll Forward]",
        "terseLabel": "Amortized cost:"
       }
      }
     },
     "localname": "InvestmentsAmortizedCostonLoansHeldinportfolioRollForward",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_InvestmentswithDifferenceBetweenModelPriceandThirdPartyPriceMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investments with Difference Between Model Price and Third-Party Price [Member]",
        "label": "Investments with Difference Between Model Price and Third-Party Price [Member]",
        "terseLabel": "Investments with Difference Between Model Price and Third-Party Price"
       }
      }
     },
     "localname": "InvestmentswithDifferenceBetweenModelPriceandThirdPartyPriceMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_InvestorOccupancyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investor Occupancy [Member]",
        "label": "Investor Occupancy [Member]",
        "terseLabel": "Investor"
       }
      }
     },
     "localname": "InvestorOccupancyMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_KahCapitalManagementLLCKAHCapitalMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Kah Capital Management LLC (KAH Capital) [Member]",
        "label": "Kah Capital Management LLC (KAH Capital) [Member]",
        "terseLabel": "Kah Capital Management LLC (KAH Capital)"
       }
      }
     },
     "localname": "KahCapitalManagementLLCKAHCapitalMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_Loans90OrMoreDaysDelinquent": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Residential mortgage loans in the securitized loan portfolio that are 90 or more days past due.",
        "label": "Loans 90 Or More Days Delinquent",
        "netLabel": "90 and over days delinquent"
       }
      }
     },
     "localname": "Loans90OrMoreDaysDelinquent",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_LoansHeldForInvestmentAtFairValueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Held For Investment At Fair Value [Member]",
        "label": "Loans Held For Investment At Fair Value [Member]",
        "terseLabel": "Loans Held for Investment at Fair Value",
        "verboseLabel": "Loans held for investment"
       }
      }
     },
     "localname": "LoansHeldForInvestmentAtFairValueMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsTables",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_LoansHeldForInvestmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans Held for Investment [Member]",
        "label": "Loans Held for Investment [Member]",
        "terseLabel": "Loans held for investment",
        "verboseLabel": "Loans held for investment"
       }
      }
     },
     "localname": "LoansHeldForInvestmentMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/SecuritizedDebtTables"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_LoansOnResidentialRealEstateHeldForInvestmentAtFairValueNet": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 4.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents securitized loans on residential real estate, which are categorized as held for investment and carried at fair value.",
        "label": "Loans On Residential Real Estate Held For Investment, At Fair Value, Net",
        "terseLabel": "Loans held for investment, at fair value",
        "verboseLabel": "Loans held for investment, Fair value"
       }
      }
     },
     "localname": "LoansOnResidentialRealEstateHeldForInvestmentAtFairValueNet",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_LoansOnResidentialRealEstateHeldForInvestmentPrincipalAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loans On Residential Real Estate held For Investment, Principal Amount",
        "label": "Loans On Residential Real Estate Held For Investment, Principal Amount",
        "terseLabel": "Loans held for investment, Unpaid Principal/Notional"
       }
      }
     },
     "localname": "LoansOnResidentialRealEstateHeldForInvestmentPrincipalAmount",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_ManufacturedHousingMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Manufactured Housing [Member]",
        "label": "Manufactured Housing [Member]",
        "terseLabel": "Manufactured housing"
       }
      }
     },
     "localname": "ManufacturedHousingMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_MaturityPeriodFiveMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maturity Period Five [Member]",
        "label": "Maturity Period Five [Member]",
        "terseLabel": "Greater than or equal to 120 days"
       }
      }
     },
     "localname": "MaturityPeriodFiveMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_MaturityPeriodFourMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maturity Period Four [Member]",
        "label": "Maturity Period Four [Member]",
        "terseLabel": "90 to 119 days"
       }
      }
     },
     "localname": "MaturityPeriodFourMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_MaturityPeriodThreeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maturity Period Three [Member]",
        "label": "Maturity Period Three [Member]",
        "terseLabel": "60 to 89 days"
       }
      }
     },
     "localname": "MaturityPeriodThreeMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_MaturityPeriodTwoMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Second specified maturity period from the reporting date for a group of securities or other assets sold under repurchase agreements.",
        "label": "Maturity Period Two [Member]",
        "terseLabel": "30 to 59 days"
       }
      }
     },
     "localname": "MaturityPeriodTwoMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencyResidentialMBSDeemedToBeEquivalentToAltAQualityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Residential M B S Deemed To Be Equivalent To Alt A Quality [Member]",
        "label": "Non Agency Residential M B S Deemed To Be Equivalent To Alt A Quality [Member]",
        "terseLabel": "Non-Agency RMBS Deemed To Be Equivalent To Alt-A Quality"
       }
      }
     },
     "localname": "NonAgencyResidentialMBSDeemedToBeEquivalentToAltAQualityMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencyResidentialMbsDeemedToBeEquivalentToPrimeQualityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Residential MBS Deemed To Be Equivalent To Prime Quality [Member]",
        "label": "Non Agency Residential MBS Deemed To Be Equivalent To Prime Quality [Member]",
        "terseLabel": "Non Agency Residential MBS Deemed To Be Equivalent To Prime Quality"
       }
      }
     },
     "localname": "NonAgencyResidentialMbsDeemedToBeEquivalentToPrimeQualityMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencyResidentialMortgageBackedSecuritiesAndLoansHeldForInvestmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Residential Mortgage Backed Securities And Loans Held For Investment [Member]",
        "label": "Non Agency Residential Mortgage Backed Securities And Loans Held For Investment [Member]",
        "terseLabel": "Non-agency MBS and Loans held for investment"
       }
      }
     },
     "localname": "NonAgencyResidentialMortgageBackedSecuritiesAndLoansHeldForInvestmentMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencyResidentialMortgageBackedSecuritiesAndSecuritizedLoansMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Residential Mortgage Backed Securities And Securitized Loans [Member]",
        "label": "Non Agency Residential Mortgage Backed Securities And Securitized Loans [Member]",
        "terseLabel": "Non Agency Residential Mortgage Backed Securities And Securitized Loans"
       }
      }
     },
     "localname": "NonAgencyResidentialMortgageBackedSecuritiesAndSecuritizedLoansMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencyResidentialMortgageBackedSecuritiesFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 2.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value as of the reporting date of investments in securitizations of residential mortgages from issuers other than US government agencies and US government sponsored enterprises.",
        "label": "Non Agency Residential Mortgage Backed Securities Fair Value",
        "terseLabel": "Non-Agency RMBS, at fair value"
       }
      }
     },
     "localname": "NonAgencyResidentialMortgageBackedSecuritiesFairValue",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_NonAgencyResidentialMortgageBackedSecuritiesHavingDeterioratedCreditWhenAcquiredMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Residential Mortgage Backed Securities Having Deteriorated Credit When Acquired [Member]",
        "label": "Non Agency Residential Mortgage Backed Securities Having Deteriorated Credit When Acquired [Member]",
        "terseLabel": "Non-Agency RMBS Having Deteriorated Credit When Acquired"
       }
      }
     },
     "localname": "NonAgencyResidentialMortgageBackedSecuritiesHavingDeterioratedCreditWhenAcquiredMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencyResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Residential Mortgage Backed Securities [Member]",
        "label": "Non Agency Residential Mortgage Backed Securities [Member]",
        "netLabel": "Non-Agency RMBS",
        "terseLabel": "Non-agency MBS",
        "verboseLabel": "Non-agency RMBS Portfolio"
       }
      }
     },
     "localname": "NonAgencyResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtTables"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencySeniorMortgageBackedSecuritiesAvailableForSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Senior Mortgage Backed Securities Available For Sale [Member]",
        "label": "Non Agency Senior Mortgage Backed Securities Available For Sale [Member]",
        "terseLabel": "Non-Agency RMBS - Senior"
       }
      }
     },
     "localname": "NonAgencySeniorMortgageBackedSecuritiesAvailableForSaleMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencySeniorMortgageBackedSecuritiesInterestOnlyAvailableForSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Senior Mortgage Backed Securities Interest Only Available For Sale [Member]",
        "label": "Non Agency Senior Mortgage Backed Securities Interest Only Available For Sale [Member]",
        "terseLabel": "Non-Agency RMBS - Senior interest-only"
       }
      }
     },
     "localname": "NonAgencySeniorMortgageBackedSecuritiesInterestOnlyAvailableForSaleMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencySubordinatedMortgageBackedSecuritiesAvailableForSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Subordinated Mortgage Backed Securities Available For Sale [Member]",
        "label": "Non Agency Subordinated Mortgage Backed Securities Available For Sale [Member]",
        "terseLabel": "Non-Agency RMBS - Subordinated"
       }
      }
     },
     "localname": "NonAgencySubordinatedMortgageBackedSecuritiesAvailableForSaleMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NonAgencySubordinatedMortgageBackedSecuritiesInterestOnlyAvailableForSaleMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Non Agency Subordinated Mortgage Backed Securities Interest Only Available For Sale [Member]",
        "label": "Non Agency Subordinated Mortgage Backed Securities Interest Only Available For Sale [Member]",
        "verboseLabel": "Non-Agency RMBS - Subordinated interest-only"
       }
      }
     },
     "localname": "NonAgencySubordinatedMortgageBackedSecuritiesInterestOnlyAvailableForSaleMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_NoncashFinancingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncash Financing Activities [Abstract]",
        "label": "Noncash Financing Activities [Abstract]",
        "terseLabel": "Non-cash financing activities:"
       }
      }
     },
     "localname": "NoncashFinancingActivitiesAbstract",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_NoncashInvestingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Noncash Investing Activities [Abstract]",
        "label": "Noncash Investing Activities [Abstract]",
        "terseLabel": "Non-cash investing activities:"
       }
      }
     },
     "localname": "NoncashInvestingActivitiesAbstract",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_NoncashInvestingActivitiesPayableForInvestmentsPurchased": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) in the noncash amount owed by the entity to a counterparty resulting from the purchase of investments, and which is attributable to investing activities.",
        "label": "Noncash Investing Activities, Payable for Investments Purchased",
        "terseLabel": "Payable for investments purchased"
       }
      }
     },
     "localname": "NoncashInvestingActivitiesPayableForInvestmentsPurchased",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_NotionalAmountOfDerivativesTerminations": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Notional amount of derivatives terminated during the period.",
        "label": "Notional Amount Of Derivatives, Terminations",
        "terseLabel": "Derivative, notional amount of derivative terminated"
       }
      }
     },
     "localname": "NotionalAmountOfDerivativesTerminations",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_NumberOfInvestments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of Investments",
        "label": "Number Of Investments",
        "terseLabel": "Loans internally valued lower than third party prices"
       }
      }
     },
     "localname": "NumberOfInvestments",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "integerItemType"
    },
    "cim_NumberOfUnderlyingMortgageLoans": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicates the number of mortgages under each classification.",
        "label": "Number of Underlying Mortgage Loans",
        "terseLabel": "Number of loans"
       }
      }
     },
     "localname": "NumberOfUnderlyingMortgageLoans",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "cim_NumberOfWhollyOwnedSubsidiaries": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of wholly owned direct subsidiaries.",
        "label": "Number Of Wholly Owned Subsidiaries",
        "terseLabel": "Number of wholly owned direct subsidiaries"
       }
      }
     },
     "localname": "NumberOfWhollyOwnedSubsidiaries",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/OrganizationNarrativeDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "cim_OtherExpensesDealExpenses": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 4.0,
       "parentTag": "cim_OtherExpensesNotReflectedInNetInvestmentIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Expenses, Deal Expenses",
        "label": "Other Expenses, Deal Expenses",
        "terseLabel": "Transaction expenses"
       }
      }
     },
     "localname": "OtherExpensesDealExpenses",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_OtherExpensesNotReflectedInNetInvestmentIncomeLoss": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of reported expenses for the period that are not included in net investment income (loss).",
        "label": "Other Expenses not Reflected in Net Investment Income Loss",
        "totalLabel": "Total other expenses"
       }
      }
     },
     "localname": "OtherExpensesNotReflectedInNetInvestmentIncomeLoss",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_OtherGainsLosses": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate amount of other gains (losses) not disclosed separately.",
        "label": "Other Gains Losses",
        "totalLabel": "Total other gains (losses)"
       }
      }
     },
     "localname": "OtherGainsLosses",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_OtherGainsLossesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Other Gains Losses [Abstract]",
        "label": "Other Gains Losses [Abstract]",
        "terseLabel": "Other investment gains (losses):"
       }
      }
     },
     "localname": "OtherGainsLossesAbstract",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLossSeverityRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the actual rate of loss incurred on the portfolio that was considered as one of the factors in determining whether available-for-sale investments are other than temporarily impaired.",
        "label": "Other Than Temporary Impairment Losses Investments Available For Sale Securities Portion Recognized In Earnings Net Qualitative Disclosures Loss Severity Rate",
        "terseLabel": "Loss Severity"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLossSeverityRate",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresThirdPartyGuaranteesPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the percentage of underlying loans secured by third party guarantees against the loss of value in the underlying assets in the security considered as one of the factors in determining whether available-for-sale investments are other than temporarily impaired.",
        "label": "Other Than Temporary Impairment Losses Investments Available For Sale Securities Portion Recognized In Earnings Net Qualitative Disclosures Third Party Guarantees Percent",
        "terseLabel": "Credit Enhancement"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresThirdPartyGuaranteesPercent",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresThreeMonthConstantPrepaymentRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the latest three-month rate of prepayment speed considered as one of the factors in determining whether available-for-sale investments are other than temporarily impaired.",
        "label": "Other Than Temporary Impairment Losses Investments Available For Sale Securities Portion Recognized In Earnings Net Qualitative Disclosures Three Month Constant Prepayment Rate",
        "terseLabel": "3 Month CPR"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresThreeMonthConstantPrepaymentRate",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresTwelveMonthConstantPrepaymentRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the latest twelve-month rate of prepayment speed considered as one of the factors in determining whether available-for-sale investments are other than temporarily impaired.",
        "label": "Other Than Temporary Impairment Losses Investments Available For Sale Securities Portion Recognized In Earnings Net Qualitative Disclosures Twelve Month Constant Prepayment Rate",
        "terseLabel": "12 Month CPR"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsAvailableForSaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresTwelveMonthConstantPrepaymentRate",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_OtherThanTemporaryImpairmentsOfInvestmentsRecordedInEarningsSignificantInputsAndAssumptionsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the significant inputs and assumptions made in determining the measurement of the component of other than temporary impairment recorded in earnings on certain investments.",
        "label": "Other Than Temporary Impairments of Investments Recorded In Earnings Significant Inputs and Assumptions [Table Text Block]",
        "terseLabel": "Other than temporary impairment of investments recorded in earnings, significant inputs and assumptions"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentsOfInvestmentsRecordedInEarningsSignificantInputsAndAssumptionsTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_OwnerOccupiedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Owner Occupied [Member]",
        "label": "Owner Occupied [Member]",
        "terseLabel": "Owner Occupied"
       }
      }
     },
     "localname": "OwnerOccupiedMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_PayableForInvestmentsPurchased": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 4.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of liabilities incurred and payable for investments purchased.",
        "label": "Payable for investments purchased",
        "terseLabel": "Payable for investments purchased"
       }
      }
     },
     "localname": "PayableForInvestmentsPurchased",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInEighthYearPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 7.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the eighth year preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Eighth Year Preceding Most Current Year Of Report",
        "terseLabel": "2008"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInEighthYearPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInEleventhYearPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 4.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the eleventh year preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Eleventh Year Preceding Most Current Year Of Report",
        "terseLabel": "2005"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInEleventhYearPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInFourteenthYearAndPriorPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 1.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the fourteenth year and earlier preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Fourteenth Year and Prior Preceding Most Current Year Of Report",
        "terseLabel": "2002 and prior"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInFourteenthYearAndPriorPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInNinthYearPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 6.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the ninth year preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Ninth Year Preceding Most Current Year Of Report",
        "terseLabel": "2007"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInNinthYearPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInSeventhYearPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 8.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the seventh year preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Seventh Year Preceding Most Current Year Of Report",
        "terseLabel": "2009",
        "verboseLabel": "2008 and later"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInSeventhYearPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInSixthYearAndLaterPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 9.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the sixth year and later preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Sixth Year And Later Preceding Most Current Year Of Report",
        "terseLabel": "2010 and later"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInSixthYearAndLaterPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInTenthYearPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 5.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the tenth year preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Tenth Year Preceding Most Current Year Of Report",
        "terseLabel": "2006"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInTenthYearPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInThirteenthYearPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 2.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the thirteenth year preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Thirteenth Year Preceding Most Current Year Of Report",
        "terseLabel": "2003",
        "verboseLabel": "2003 (and prior)"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInThirteenthYearPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfPortfolioOriginatedInTwelfthYearPrecedingMostCurrentYearOfReport": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": 3.0,
       "parentTag": "cim_PercentageOfUnderlyingMortgagesYearOriginated",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of the portfolio of investments that was originated in the twelfth year preceding the most current year included in the financial statements.",
        "label": "Percentage Of Portfolio Originated In Twelfth Year Preceding Most Current Year Of Report",
        "terseLabel": "2004"
       }
      }
     },
     "localname": "PercentageOfPortfolioOriginatedInTwelfthYearPrecedingMostCurrentYearOfReport",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfResidentialMBSPortfolioAtFairValueByCreditRating": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate percentage of the fair value of the residential mortgage backed securities portfolio as of the reporting date that has a specified credit rating.",
        "label": "Percentage Of Residential M B S Portfolio At Fair Value By Credit Rating",
        "terseLabel": "Percentage of RMBS portfolio at fair value, by credit rating"
       }
      }
     },
     "localname": "PercentageOfResidentialMBSPortfolioAtFairValueByCreditRating",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfUnderlyingMortgagesYearOriginated": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The sum of the percentages of the portfolio of investments as of the reporting date pertaining to years of origination.",
        "label": "Percentage Of Underlying Mortgages Year Originated",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "PercentageOfUnderlyingMortgagesYearOriginated",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfUnderlyingMortgagesYearOriginatedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of Underlying Mortgages Year Originated [Abstract]",
        "label": "Percentage of Underlying Mortgages Year Originated [Abstract]",
        "terseLabel": "Origination Year as a Percentage of Outstanding Principal Balance:"
       }
      }
     },
     "localname": "PercentageOfUnderlyingMortgagesYearOriginatedAbstract",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_PercentageOfUnderlyingResidentialMBSOwnedDeemedToBeEquivalentToAltAQuality": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the percentage of the mortgages securing the RMBS that meet defined criteria to be categorized as Alt-A.",
        "label": "Percentage Of Underlying Residential M B S Owned Deemed To Be Equivalent To Alt A Quality",
        "terseLabel": "Percentage in Alt-A collateral"
       }
      }
     },
     "localname": "PercentageOfUnderlyingResidentialMBSOwnedDeemedToBeEquivalentToAltAQuality",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PercentageOfUnderlyingResidentialMbsOwnedDeemedToBeEquivalentToPrimeQuality": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the percentage of the mortgages securing the RMBS that meet defined criteria to be categorized as prime.",
        "label": "Percentage Of Underlying Residential MBS Owned Deemed To Be Equivalent To Prime Quality",
        "terseLabel": "Percentage in prime collateral"
       }
      }
     },
     "localname": "PercentageOfUnderlyingResidentialMbsOwnedDeemedToBeEquivalentToPrimeQuality",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PerformanceShareUnitsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Performance Share Units [Member]",
        "label": "Performance Share Units [Member]",
        "terseLabel": "Performance Share Units"
       }
      }
     },
     "localname": "PerformanceShareUnitsMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_PreferredStockBasisSpreadOnVariableRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Preferred Stock, Basis Spread on Variable Rate",
        "label": "Preferred Stock, Basis Spread On Variable Rate",
        "terseLabel": "Preferred stock, basis spread on variable rate"
       }
      }
     },
     "localname": "PreferredStockBasisSpreadOnVariableRate",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_PreferredStockLiquidationPreferencePerShareEquivalentFixedAnnualRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Preferred Stock, Liquidation Preference Per Share, Equivalent Fixed Annual Rate",
        "label": "Preferred Stock, Liquidation Preference Per Share, Equivalent Fixed Annual Rate",
        "terseLabel": "Fixed annual rate (in USD per share)"
       }
      }
     },
     "localname": "PreferredStockLiquidationPreferencePerShareEquivalentFixedAnnualRate",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "cim_PrincipalAmountOutstandingofLoansHeldinportfolioRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Principal Amount Outstanding of Loans Held-in-portfolio [Roll Forward]",
        "label": "Principal Amount Outstanding of Loans Held-in-portfolio [Roll Forward]",
        "terseLabel": "Outstanding principal balance:"
       }
      }
     },
     "localname": "PrincipalAmountOutstandingofLoansHeldinportfolioRollForward",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchaseFinancingActivities": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow from investments under repurchase agreements.",
        "label": "Principal Payments On Securities Sold Under Agreements To Repurchase, Financing Activities",
        "negatedLabel": "Payments on repurchase agreements"
       }
      }
     },
     "localname": "PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchaseFinancingActivities",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_ProceedsFromPrincipalPaymentsOnOtherSecurities": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from principal payments on other securities.",
        "label": "Proceeds from principal payments on other securities",
        "terseLabel": "Principal payments"
       }
      }
     },
     "localname": "ProceedsFromPrincipalPaymentsOnOtherSecurities",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_ProceedsFromSecuritiesSoldUnderAgreementsToRepurchaseFinancingActivities": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from investments under repurchase agreements.",
        "label": "Proceeds From Securities Sold Under Agreements To Repurchase, Financing Activities",
        "terseLabel": "Proceeds from repurchase agreements"
       }
      }
     },
     "localname": "ProceedsFromSecuritiesSoldUnderAgreementsToRepurchaseFinancingActivities",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_ReRemicSecurityMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Re Remic Security [Member]",
        "label": "Re Remic Security [Member]",
        "terseLabel": "Re Remic Security"
       }
      }
     },
     "localname": "ReRemicSecurityMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_RealEstateOwnedMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Real Estate Owned [Member]",
        "label": "Real Estate Owned [Member]",
        "terseLabel": "REO"
       }
      }
     },
     "localname": "RealEstateOwnedMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_RegularDividendMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Regular Dividend [Member]",
        "label": "Regular Dividend [Member]",
        "terseLabel": "Regular Dividend"
       }
      }
     },
     "localname": "RegularDividendMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_RepaymentsOfNonRetainedSecuredDebt": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow from the payment of debt issued by consolidated variable interest entities.",
        "label": "Repayments of Non Retained Secured Debt",
        "negatedLabel": "Payments on securitized debt borrowings, collateralized by Non-Agency RMBS"
       }
      }
     },
     "localname": "RepaymentsOfNonRetainedSecuredDebt",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_RepurchaseAgreementCounterpartyOriginalWeightedAverageMaturityofAgreements": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Repurchase Agreement Counterparty, Original Weighted Average Maturity of Agreements",
        "label": "Repurchase Agreement Counterparty, Original Weighted Average Maturity of Agreements",
        "terseLabel": "Average original maturity of Repurchase agreements secured by:"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyOriginalWeightedAverageMaturityofAgreements",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "cim_RepurchaseAgreementCounterpartyRemainingWeightedAverageMaturityOfAgreements": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Repurchase Agreement Counterparty, Remaining Weighted Average Maturity of Agreements",
        "label": "Repurchase Agreement Counterparty, Remaining Weighted Average Maturity Of Agreements",
        "terseLabel": "Average remaining maturity of Repurchase agreements secured by:"
       }
      }
     },
     "localname": "RepurchaseAgreementCounterpartyRemainingWeightedAverageMaturityOfAgreements",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "cim_RepurchaseOfNonRetainedSecuredDebt": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow from the payment of debt issued by consolidated variable interest entities.",
        "label": "Repurchase of Non Retained Secured Debt",
        "terseLabel": "Payment to acquire securitize debt"
       }
      }
     },
     "localname": "RepurchaseOfNonRetainedSecuredDebt",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_ResidentialMbsSummaryOfUnrealizedGainsAndLossesTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of unrealized gains and losses on the MBS portfolio as of the balance sheet date, including the component of stockholders' equity in which such gains or losses are reflected.",
        "label": "Residential MBS Summary of Unrealized Gains and Losses [Table Text Block]",
        "terseLabel": "Summary of unrealized gains and losses on MBS"
       }
      }
     },
     "localname": "ResidentialMbsSummaryOfUnrealizedGainsAndLossesTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ResidentialMortgageBackedSecuritiesCollateralCharacteristicsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of certain characteristics of the mortgages underlying the RMBS portfolio, by loan category, including average yield, prepayment collection rate, and portion secured by credit enhancements.",
        "label": "Residential Mortgage Backed Securities Collateral Characteristics [Table Text Block]",
        "terseLabel": "Residential mortgage backed securities collateral characteristics"
       }
      }
     },
     "localname": "ResidentialMortgageBackedSecuritiesCollateralCharacteristicsTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ResidentialPassthroughSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Residential Pass-through Securities [Member]",
        "label": "Residential Pass-through Securities [Member]",
        "terseLabel": "Residential Pass-through"
       }
      }
     },
     "localname": "ResidentialPassthroughSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_RetainedBeneficialInterestsInSecuritizedTransactionsNonCashInvestingActivities": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Retained Beneficial Interests in Securitized Transactions, Non-Cash Investing Activities",
        "label": "Retained Beneficial Interests In Securitized Transactions, Non-Cash Investing Activities",
        "terseLabel": "Retained beneficial interests"
       }
      }
     },
     "localname": "RetainedBeneficialInterestsInSecuritizedTransactionsNonCashInvestingActivities",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_ScheduleOfCollateralCharacteristicsOfUnderlyingMortgagesOfNonagencyMbsPortfolioTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular presentation of collateral characteristics of underlying mortgages securing the non-agency MBS portfolio, including number of mortgages, and weighted average maturity, FICO, and geographic concentrations.",
        "label": "Schedule of Collateral Characteristics of Underlying Mortgages of Non-agency MBS Portfolio [Table Text Block]",
        "terseLabel": "Schedule of collateral characteristics of underlying Mortgages of Non-Agency RMBS portfolio"
       }
      }
     },
     "localname": "ScheduleOfCollateralCharacteristicsOfUnderlyingMortgagesOfNonagencyMbsPortfolioTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfConsolidatedSecuritizationEntitiesOnFinancialConditionTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the amounts included in the consolidated statements of financial condition attributable to securitization entities in which the company is deemed to be the primary beneficiary.",
        "label": "Schedule of Consolidated Securitization Entities on Financial Condition [Table Text Block]",
        "terseLabel": "Schedule of assets and liabilities related to the consolidated VIEs"
       }
      }
     },
     "localname": "ScheduleOfConsolidatedSecuritizationEntitiesOnFinancialConditionTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfConsolidatedVariableInterestEntitiesEffectsOnOperatingResultsTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the amounts included in the consolidated statements of operations attributable to variable interest entities in which the company is deemed to be the primary beneficiary.",
        "label": "Schedule Of Consolidated Variable Interest Entities Effects On Operating Results [Table Text Block]",
        "terseLabel": "Schedule of Income, OTTI and expense amounts related to consolidated VIEs"
       }
      }
     },
     "localname": "ScheduleOfConsolidatedVariableInterestEntitiesEffectsOnOperatingResultsTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfMortgageBackedSecuritiesByEstimatedWeightedAverageLifeClassificationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of actual mortgage backed securities, which are generally shorter than stated contractual maturities due to payments of principal, prepayments, etc.",
        "label": "Schedule of Mortgage Backed Securities by Estimated Weighted Average Life Classification [Table Text Block]",
        "terseLabel": "Schedule of MBS by estimated weighted average life classification"
       }
      }
     },
     "localname": "ScheduleOfMortgageBackedSecuritiesByEstimatedWeightedAverageLifeClassificationTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfMovementInAccretableYieldOnSecuritiesHavingDeterioratedCreditAtAcquisitionTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of accretable yield on securities that had deteriorated credit when acquired, including beginning and ending balances, and the nature and amount of increases and decreases to accretable yield that occurred during the period.",
        "label": "Schedule Of Movement In Accretable Yield On Securities Having Deteriorated Credit At Acquisition [Table Text Block]",
        "terseLabel": "Schedule of changes in accretable yield"
       }
      }
     },
     "localname": "ScheduleOfMovementInAccretableYieldOnSecuritiesHavingDeterioratedCreditAtAcquisitionTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfNonAgencyRmbsHavingDeterioratedCreditWhenAcquiredTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Summary presentation of Non-Agency RMBS, which may include their remaining undiscounted outstanding principal balances and their related carrying amounts.",
        "label": "Schedule of Non Agency RMBS Having Deteriorated Credit When Acquired [Table Text Block]",
        "terseLabel": "Schedule of non-agency RMBS having deteriorated credit when acquired"
       }
      }
     },
     "localname": "ScheduleOfNonAgencyRmbsHavingDeterioratedCreditWhenAcquiredTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfPercentageOfNonagencyResidentialMbsByYearOriginatedTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule showing the percentage of the non-agency RMBS portfolio by origination year, based on outstanding principal balance.",
        "label": "Schedule of Percentage of Non-agency Residential MBS by Year Originated [Table Text Block]",
        "terseLabel": "Schedule of percentage of Non-Agency RMBS by year originated"
       }
      }
     },
     "localname": "ScheduleOfPercentageOfNonagencyResidentialMbsByYearOriginatedTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfPercentageOfSecuritizedLoansHeldForInvestmentAtFairValueByYearOriginatedTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule showing the percentage of the securitized loans held for investment carried at fair value by origination year.",
        "label": "Schedule of Percentage of Securitized Loans Held For Investment At Fair Value by Year Originated [Table Text Block]",
        "terseLabel": "Schedule of percentage of securitized loans held for investment carried at fair value by year originated"
       }
      }
     },
     "localname": "ScheduleOfPercentageOfSecuritizedLoansHeldForInvestmentAtFairValueByYearOriginatedTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfSecuritizedLoansHeldForInvestmentAtFairValueKeyCharacteristicsOfUnderlyingCollateralTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular presentation of collateral characteristics of underlying mortgages securing the securitized loans held for investment portfolio carried at fair value, including number of mortgages, and weighted average maturity, FICO, and geographic concentrations.",
        "label": "Schedule of Securitized Loans Held For Investment At Fair Value Key Characteristics of Underlying Collateral [Table Text Block]",
        "terseLabel": "Schedule of securitized loans held for investment carried at fair value key characteristics of underlying collateral"
       }
      }
     },
     "localname": "ScheduleOfSecuritizedLoansHeldForInvestmentAtFairValueKeyCharacteristicsOfUnderlyingCollateralTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_ScheduleOfSecuritizedLoansHeldForInvestmentTypesAndCharacteristicsOfUnderlyingCollateralTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule Of Securitized Loans Held For Investment Types And Characteristics Of Underlying Collateral [Table Text Block]",
        "label": "Schedule Of Securitized Loans Held For Investment Types And Characteristics Of Underlying Collateral [Table Text Block]",
        "terseLabel": "Schedule of securitized loans held for investment types and characteristics of underlying collateral"
       }
      }
     },
     "localname": "ScheduleOfSecuritizedLoansHeldForInvestmentTypesAndCharacteristicsOfUnderlyingCollateralTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_SeasonedSubprimeResidentialMortgageLoansMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Seasoned Subprime Residential Mortgage Loans [Member]",
        "label": "Seasoned Subprime Residential Mortgage Loans [Member]",
        "terseLabel": "Seasoned Subprime Residential Mortgage Loans"
       }
      }
     },
     "localname": "SeasonedSubprimeResidentialMortgageLoansMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_SecondaryOccupancyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Secondary Occupancy [Member]",
        "label": "Secondary Occupancy [Member]",
        "terseLabel": "Secondary"
       }
      }
     },
     "localname": "SecondaryOccupancyMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_SecuritizationLoansOnResidentialRealEstateHeldForInvestmentTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This element represents the disclosure related to investments in securitized loans on residential real estate, which are categorized as held for investment.",
        "label": "Securitization Loans On Residential Real Estate Held for Investment [Text Block]",
        "terseLabel": "Loans Held for Investment"
       }
      }
     },
     "localname": "SecuritizationLoansOnResidentialRealEstateHeldForInvestmentTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestment"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentAtCost": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Secured financing obligations carried at cost as of the reporting date consisting of securitizations that are collateralized by residential adjustable or fixed rate mortgage loans that have been placed in a trust and pay interest and principal to the debt holders of that securitization.",
        "label": "Securitized Debt Loans Held For Investment At Cost",
        "terseLabel": "Securitized debt loans held for investment at cost"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentAtCost",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentAtFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 3.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Secured financing obligations carried at fair value as of the reporting date consisting of securitizations that are collateralized by residential adjustable or fixed rate mortgage loans that have been placed in a trust and pay interest and principal to the debt holders of that securitization.",
        "label": "Securitized Debt Loans Held For Investment At Fair Value",
        "netLabel": "Securitized debt at fair value, collateralized by loans held for investment, Fair value",
        "terseLabel": "Securitized debt at fair value, collateralized by loans held for investment",
        "verboseLabel": "Securitized debt at fair value, collateralized by loans held for investment ($11.5 billion and $12.3 billion pledged as collateral, respectively)"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentAtFairValue",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentAtFairValueMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Debt at Fair Value, Collateralized by Loans Held for Investment [Member]",
        "label": "Securitized Debt Loans Held For Investment At Fair Value [Member]",
        "verboseLabel": "Securitized Debt"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentAtFairValueMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentAtFairValuePrincipalAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Debt Loans Held For Investment At Fair Value, Principal Amount",
        "label": "Securitized Debt Loans Held For Investment At Fair Value, Principal Amount",
        "terseLabel": "Securitized debt at fair value, collateralized by loans held for investment, Unpaid Principal/Notional"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentAtFairValuePrincipalAmount",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallable": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The principal amount of securitized debt collateralized by loans held for investment callable at the option of the Company.",
        "label": "Securitized Debt Loans Held For Investment Principal Callable",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentPrincipalCallable",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail": {
       "order": 5.0,
       "parentTag": "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallable",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Debt Loans Held for Investment Principal Callable in Year Five",
        "label": "Securitized Debt Loans Held For Investment Principal Callable In Year Five",
        "terseLabel": "2023"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearFive",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearFour": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail": {
       "order": 4.0,
       "parentTag": "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallable",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Debt Loans Held for Investment Principal Callable in Year Four",
        "label": "Securitized Debt Loans Held For Investment Principal Callable In Year Four",
        "terseLabel": "2022"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearFour",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearThree": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail": {
       "order": 3.0,
       "parentTag": "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallable",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The principal amount of securitized debt collateralized by loans held for investment callable in year three following the date of the latest balance sheet presented in the financial statements.",
        "label": "Securitized Debt Loans Held For Investment Principal Callable In Year Three",
        "terseLabel": "2021"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearThree",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearTwo": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail": {
       "order": 2.0,
       "parentTag": "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallable",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The principal amount of securitized debt collateralized by loans held for investment callable in year two following the date of the latest balance sheet presented in the financial statements.",
        "label": "Securitized Debt Loans Held For Investment Principal Callable In Year Two",
        "terseLabel": "2020"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentPrincipalCallableInYearTwo",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallableRemainderOfFiscalYear": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail": {
       "order": 1.0,
       "parentTag": "cim_SecuritizedDebtLoansHeldForInvestmentPrincipalCallable",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The principal amount of securitized debt collateralized by loans held for investment callable in the remainder of the fiscal year following the latest fiscal year ended.",
        "label": "Securitized Debt Loans Held For Investment Principal Callable Remainder Of Fiscal Year",
        "terseLabel": "2019"
       }
      }
     },
     "localname": "SecuritizedDebtLoansHeldForInvestmentPrincipalCallableRemainderOfFiscalYear",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtMaturities": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The sum of estimated amount of principal repayment of securitized debt after year five following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses.",
        "label": "Securitized Debt Maturities",
        "totalLabel": "Total"
       }
      }
     },
     "localname": "SecuritizedDebtMaturities",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalAfterYearFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail": {
       "order": 4.0,
       "parentTag": "cim_SecuritizedDebtMaturities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The estimated amount of principal repayment of securitized debt after year five following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses.",
        "label": "Securitized Debt Maturities Calculated Repayments Of Principal After Year Five",
        "terseLabel": "Greater Than Five Years"
       }
      }
     },
     "localname": "SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalAfterYearFive",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInNextTwelveMonths": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail": {
       "order": 1.0,
       "parentTag": "cim_SecuritizedDebtMaturities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The estimated amount of principal repayment of securitized debt within the next twelve months following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses.",
        "label": "Securitized Debt Maturities Calculated Repayments Of Principal In Next Twelve Months",
        "terseLabel": "Within One Year"
       }
      }
     },
     "localname": "SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInNextTwelveMonths",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInYearsFourAndFive": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail": {
       "order": 3.0,
       "parentTag": "cim_SecuritizedDebtMaturities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The estimated amount of principal repayment of securitized debt in years four and five following the date of the latest balance sheet presented in the financial statements, b based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses.",
        "label": "Securitized Debt Maturities Calculated Repayments Of Principal In Years Four And Five",
        "terseLabel": "Three to Five Years"
       }
      }
     },
     "localname": "SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInYearsFourAndFive",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInYearsTwoAndThree": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail": {
       "order": 2.0,
       "parentTag": "cim_SecuritizedDebtMaturities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The estimated amount of principal repayment of securitized debt in years two and three following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses.",
        "label": "Securitized Debt Maturities Calculated Repayments Of Principal In Years Two And Three",
        "terseLabel": "One to Three Years"
       }
      }
     },
     "localname": "SecuritizedDebtMaturitiesCalculatedRepaymentsOfPrincipalInYearsTwoAndThree",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedDebtNonAgencyResidentialMortgageBackedSecurities": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 2.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Secured financing obligations as of the reporting date consisting of securitizations that are collateralized by Non-Agency residential adjustable or fixed rate mortgage loans that have been placed in a trust and pay interest and principal to the debt holders of the securitization.",
        "label": "Securitized Debt, Non-Agency Residential Mortgage-Backed Securities",
        "netLabel": "Securitized debt, collateralized by Non-Agency RMBS",
        "terseLabel": "Securitized debt, collateralized by Non-Agency RMBS",
        "verboseLabel": "Securitized debt, collateralized by Non-Agency RMBS ($612 million and $1.0 billion pledged as collateral, respectively)"
       }
      }
     },
     "localname": "SecuritizedDebtNonAgencyResidentialMortgageBackedSecurities",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SecuritizedLoansHeldForInvestmentAtFairValueRollforwardTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the movement in securitized loans held for investment carried at fair value during the period, including presentation of the aggregate amounts of significant types of transactions that reconcile the opening balance to the closing balance.",
        "label": "Securitized Loans Held For Investment At Fair Value Rollforward [Table Text Block]",
        "terseLabel": "Summary of changes in carrying value of securitized loans held for investment carried at fair value"
       }
      }
     },
     "localname": "SecuritizedLoansHeldForInvestmentAtFairValueRollforwardTableTextBlock",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "cim_SecuritizedLoansHeldForInvestmentByConsolidatedVariableInterestEntitiesLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Line Items]",
        "label": "Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Line Items]",
        "terseLabel": "Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Line Items]"
       }
      }
     },
     "localname": "SecuritizedLoansHeldForInvestmentByConsolidatedVariableInterestEntitiesLineItems",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_SecuritizedLoansHeldForInvestmentByConsolidatedVariableInterestEntitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Table]",
        "label": "Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Table]",
        "terseLabel": "Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Table]"
       }
      }
     },
     "localname": "SecuritizedLoansHeldForInvestmentByConsolidatedVariableInterestEntitiesTable",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "cim_SecuritizedLoansHeldForInvestmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Loans Held For Investment [Member]",
        "label": "Securitized Loans Held For Investment [Member]",
        "terseLabel": "Securitized Loans Held For Investment"
       }
      }
     },
     "localname": "SecuritizedLoansHeldForInvestmentMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_SecuritizedLoansMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Loans [Member]",
        "label": "Securitized Loans [Member]",
        "terseLabel": "Securitized Loans"
       }
      }
     },
     "localname": "SecuritizedLoansMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_SecuritizedResidentialMortgageLoansPrincipalAmountOutstanding": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securitized Residential Mortgage Loans Principal Amount Outstanding",
        "label": "Securitized Residential Mortgage Loans Principal Amount Outstanding",
        "terseLabel": "Unpaid Principal/Notional"
       }
      }
     },
     "localname": "SecuritizedResidentialMortgageLoansPrincipalAmountOutstanding",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_SeniorResidentialMortgageBackedSecuritiesInterestOnlyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Senior Residential Mortgage Backed Securities, Interest Only [Member]",
        "label": "Senior Residential Mortgage Backed Securities, Interest Only [Member]",
        "terseLabel": "Senior, interest-only"
       }
      }
     },
     "localname": "SeniorResidentialMortgageBackedSecuritiesInterestOnlyMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_SeniorResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Senior Residential Mortgage Backed Securities [Member]",
        "label": "Senior Residential Mortgage Backed Securities [Member]",
        "terseLabel": "Senior"
       }
      }
     },
     "localname": "SeniorResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The performance period over which over which the equity-based payment award is measured, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.",
        "label": "Share Based Compensation Arrangement by Share Based Payment Award, Performance Period",
        "terseLabel": "Performance period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "cim_SharebasedCompensationArrangementBySharebasedPaymentAwardNumberOfInstallments": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of annual installments for share-based compensation awards paid upon separation of service.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments",
        "terseLabel": "Number of installments"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardNumberOfInstallments",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "cim_StockAwardDeferralProgramMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock Award Deferral Program [Member]",
        "label": "Stock Award Deferral Program [Member]",
        "terseLabel": "Stock Award Deferral Program"
       }
      }
     },
     "localname": "StockAwardDeferralProgramMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_StockRepurchasedDuringPeriodAveragePricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock Repurchased During Period, Average Price Per Share",
        "label": "Stock Repurchased During Period, Average Price Per Share",
        "terseLabel": "Stock repurchased during period, average price (in dollars per share)"
       }
      }
     },
     "localname": "StockRepurchasedDuringPeriodAveragePricePerShare",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "cim_SubordinatedResidentialMortgageBackedSecuritiesInterestOnlyMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Subordinated Residential Mortgage Backed Securities, Interest Only [Member]",
        "label": "Subordinated Residential Mortgage Backed Securities, Interest Only [Member]",
        "terseLabel": "Subordinated, interest-only"
       }
      }
     },
     "localname": "SubordinatedResidentialMortgageBackedSecuritiesInterestOnlyMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_SubordinatedResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Subordinated Residential Mortgage Backed Securities [Member]",
        "label": "Subordinated Residential Mortgage Backed Securities [Member]",
        "terseLabel": "Subordinated"
       }
      }
     },
     "localname": "SubordinatedResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_ThirdPartyAssessmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Third Party Assessment [Member]",
        "label": "Third Party Assessment [Member]",
        "terseLabel": "Third Party Assessment"
       }
      }
     },
     "localname": "ThirdPartyAssessmentMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_TwoThousandAndSevenEquityIncentivePlanMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Two Thousand And Seven Equity Incentive Plan [Member]",
        "label": "Two Thousand And Seven Equity Incentive Plan [Member]",
        "terseLabel": "2007 Equity Incentive Plan"
       }
      }
     },
     "localname": "TwoThousandAndSevenEquityIncentivePlanMember",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "cim_UnderlyingMortgageWeightedAverageMaturityPeriod": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The weighted average maturity period of underlying mortgages, which is based on their current face amounts.",
        "label": "Underlying Mortgage Weighted Average Maturity Period",
        "terseLabel": "Weighted average maturity (years)"
       }
      }
     },
     "localname": "UnderlyingMortgageWeightedAverageMaturityPeriod",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "cim_UnderlyingMortgagesAmortizedLoanToValue": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the ratio of underlying mortgages at amortized cost to their fair values determined using defined pricing methodologies.",
        "label": "Underlying Mortgages Amortized Loan To Value",
        "terseLabel": "Loan-to-value (LTV)"
       }
      }
     },
     "localname": "UnderlyingMortgagesAmortizedLoanToValue",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnderlyingMortgagesCouponRatePercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The coupon rate of interest as of the balance sheet date.",
        "label": "Underlying Mortgages Coupon Rate Percentage",
        "terseLabel": "Coupon"
       }
      }
     },
     "localname": "UnderlyingMortgagesCouponRatePercentage",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnderlyingMortgagesFairIsaacsCorporationCreditScore": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the credit score of underlying mortgages based on their FICO ratings.",
        "label": "Underlying Mortgages Fair Isaacs Corporation Credit Score",
        "terseLabel": "FICO"
       }
      }
     },
     "localname": "UnderlyingMortgagesFairIsaacsCorporationCreditScore",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "pureItemType"
    },
    "cim_UnderlyingMortgagesWeightedAverageAmortizedLoanToValue": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the weighted average of underlying mortgages at amortized cost to their fair values determined using defined pricing methodologies.",
        "label": "Underlying Mortgages Weighted Average Amortized Loan To Value",
        "terseLabel": "Weighted average amortized loan to value",
        "verboseLabel": "Weighted average loan to value"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAverageAmortizedLoanToValue",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnderlyingMortgagesWeightedAverageFairIsaacsCorporationCreditScore": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the weighted average credit score of underlying mortgages based on their FICO ratings.",
        "label": "Underlying Mortgages Weighted Average Fair Isaacs Corporation Credit Score",
        "terseLabel": "Weighted average FICO"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAverageFairIsaacsCorporationCreditScore",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "pureItemType"
    },
    "cim_UnderlyingMortgagesWeightedAverageGeographicPercentagePeriodEnd": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the percentage of unpaid principal amount of underlying mortgages originated in a specified territory.",
        "label": "Underlying Mortgages Weighted Average Geographic Percentage Period End",
        "terseLabel": "Weighted average geographic concentration of top four states",
        "verboseLabel": "Weighted average geographic concentration of top five states"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAverageGeographicPercentagePeriodEnd",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnderlyingMortgagesWeightedAverageLoanBalance": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the weighted average of unpaid principal amounts of underlying mortgages.",
        "label": "Underlying Mortgages Weighted Average Loan Balance",
        "terseLabel": "Weighted average loan balance (in thousands)"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAverageLoanBalance",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_UnderlyingMortgagesWeightedAveragePercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Underlying Mortgages, Weighted Average Percentage",
        "label": "Underlying Mortgages, Weighted Average Percentage",
        "terseLabel": "Weighted average percent"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAveragePercentage",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnderlyingMortgagesWeightedAveragePercentageHavingCreditEnhancements": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the weighted average of underlying mortgages that are additionally secured in whole or in part with credit enhancements provided by third parties.",
        "label": "Underlying Mortgages Weighted Average Percentage Having Credit Enhancements",
        "terseLabel": "Weighted average current credit enhancement"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAveragePercentageHavingCreditEnhancements",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnderlyingMortgagesWeightedAveragePercentageOwnerOccupied": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the weighted average of underlying mortgages that are owner occupied.",
        "label": "Underlying Mortgages Weighted Average Percentage Owner Occupied",
        "verboseLabel": "Weighted average percentage owner occupied"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAveragePercentageOwnerOccupied",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnderlyingMortgagesWeightedAveragePercentageSingleFamilyResidence": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "As of the balance sheet date, the weighted average of underlying mortgages that are single family residences.",
        "label": "Underlying Mortgages Weighted Average Percentage Single Family Residence",
        "verboseLabel": "Weighted average percentage single family residence"
       }
      }
     },
     "localname": "UnderlyingMortgagesWeightedAveragePercentageSingleFamilyResidence",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "cim_UnitedStatesAgencyResidentialMortgageBackedSecuritiesFairValue": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 3.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value as of the reporting date of investments in securitizations of residential mortgages issued by US government agencies and US government sponsored enterprises.",
        "label": "US Agency Residential Mortgage Backed Securities, Fair Value",
        "terseLabel": "Agency MBS, at fair value",
        "verboseLabel": "Agency MBS, at fair value"
       }
      }
     },
     "localname": "UnitedStatesAgencyResidentialMortgageBackedSecuritiesFairValue",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "cim_VariableInterestEntityNonconsolidatedIndividualInvestmentAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The individual investment amount related to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.",
        "label": "Variable Interest Entity, Nonconsolidated, Individual Investment Amount",
        "terseLabel": "Unconsolidated VIEs, individual investments (Less than $1 million)"
       }
      }
     },
     "localname": "VariableInterestEntityNonconsolidatedIndividualInvestmentAmount",
     "nsuri": "http://www.chimerareit.com/20190930",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover page."
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "dei_CurrentFiscalYearEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "End date of current fiscal year in the format --MM-DD.",
        "label": "Current Fiscal Year End Date",
        "terseLabel": "Current Fiscal Year End Date"
       }
      }
     },
     "localname": "CurrentFiscalYearEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "gMonthDayItemType"
    },
    "dei_DocumentFiscalPeriodFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.",
        "label": "Document Fiscal Period Focus",
        "terseLabel": "Document Fiscal Period Focus"
       }
      }
     },
     "localname": "DocumentFiscalPeriodFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "fiscalPeriodItemType"
    },
    "dei_DocumentFiscalYearFocus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.",
        "label": "Document Fiscal Year Focus",
        "terseLabel": "Document Fiscal Year Focus"
       }
      }
     },
     "localname": "DocumentFiscalYearFocus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "gYearItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentQuarterlyReport": {
     "auth_ref": [
      "r401"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as an quarterly report.",
        "label": "Document Quarterly Report",
        "terseLabel": "Document Quarterly Report"
       }
      }
     },
     "localname": "DocumentQuarterlyReport",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentTransitionReport": {
     "auth_ref": [
      "r402"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true only for a form used as a transition report.",
        "label": "Document Transition Report",
        "terseLabel": "Document Transition Report"
       }
      }
     },
     "localname": "DocumentTransitionReport",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntitiesTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Container to assemble all relevant information about each entity associated with the document instance",
        "label": "Entities [Table]",
        "terseLabel": "Entities [Table]"
       }
      }
     },
     "localname": "EntitiesTable",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.",
        "label": "Entity Common Stock, Shares Outstanding",
        "terseLabel": "Entity Common Stock, Shares Outstanding (in shares)"
       }
      }
     },
     "localname": "EntityCommonStockSharesOutstanding",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "sharesItemType"
    },
    "dei_EntityCurrentReportingStatus": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Current Reporting Status",
        "terseLabel": "Entity Current Reporting Status"
       }
      }
     },
     "localname": "EntityCurrentReportingStatus",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityFilerCategory": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.",
        "label": "Entity Filer Category",
        "terseLabel": "Entity Filer Category"
       }
      }
     },
     "localname": "EntityFilerCategory",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "filerCategoryItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation, State or Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityInformationLineItems": {
     "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": "Entity Information [Line Items]",
        "terseLabel": "Entity Information [Line Items]"
       }
      }
     },
     "localname": "EntityInformationLineItems",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_EntityInteractiveDataCurrent": {
     "auth_ref": [
      "r404"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).",
        "label": "Entity Interactive Data Current",
        "terseLabel": "Entity Interactive Data Current"
       }
      }
     },
     "localname": "EntityInteractiveDataCurrent",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "yesNoItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityShellCompany": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.",
        "label": "Entity Shell Company",
        "terseLabel": "Entity Shell Company"
       }
      }
     },
     "localname": "EntityShellCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntitySmallBusiness": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).",
        "label": "Entity Small Business",
        "terseLabel": "Entity Small Business"
       }
      }
     },
     "localname": "EntitySmallBusiness",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r403"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "employerIdItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r399"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Title of 12(b) Security",
        "terseLabel": "Title of 12(b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r400"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "srt_EquityMethodInvesteeNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of investment, including named security. Excludes consolidated entity.",
        "label": "Investment, Name [Domain]",
        "terseLabel": "Investment, Name [Domain]"
       }
      }
     },
     "localname": "EquityMethodInvesteeNameDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MaximumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Upper limit of the provided range.",
        "label": "Maximum [Member]",
        "terseLabel": "Maximum"
       }
      }
     },
     "localname": "MaximumMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MinimumMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Lower limit of the provided range.",
        "label": "Minimum [Member]",
        "terseLabel": "Minimum"
       }
      }
     },
     "localname": "MinimumMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MortgageLoansOnRealEstateCollectionsOfPrincipal": {
     "auth_ref": [
      "r396",
      "r408"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from collection of principal.",
        "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal",
        "negatedLabel": "Principal paydowns"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateCollectionsOfPrincipal",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis": {
     "auth_ref": [
      "r395",
      "r398",
      "r406",
      "r407"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of real estate property.",
        "label": "Real Estate, Type of Property [Axis]",
        "terseLabel": "Real Estate, Type of Property [Axis]"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_MortgageLoansOnRealEstateNamePropertyTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Land and any structures permanently fixed to it.",
        "label": "Real Estate [Domain]",
        "terseLabel": "Real Estate [Domain]"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateNamePropertyTypeDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_MultifamilyMember": {
     "auth_ref": [
      "r395",
      "r398",
      "r406",
      "r407"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Residential building containing multiple separate housing units.",
        "label": "Multifamily [Member]",
        "terseLabel": "Multi-family/mixed use/other"
       }
      }
     },
     "localname": "MultifamilyMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ProductOrServiceAxis": {
     "auth_ref": [
      "r118",
      "r216",
      "r217",
      "r376",
      "r377"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by product and service, or group of similar products and similar services.",
        "label": "Product and Service [Axis]",
        "terseLabel": "Product and Service [Axis]"
       }
      }
     },
     "localname": "ProductOrServiceAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_ProductsAndServicesDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Product or service, or a group of similar products or similar services.",
        "label": "Product and Service [Domain]",
        "terseLabel": "Product and Service [Domain]"
       }
      }
     },
     "localname": "ProductsAndServicesDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_RangeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
        "label": "Statistical Measurement [Axis]",
        "terseLabel": "Statistical Measurement [Axis]"
       }
      }
     },
     "localname": "RangeAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_RangeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.",
        "label": "Statistical Measurement [Domain]",
        "terseLabel": "Statistical Measurement [Domain]"
       }
      }
     },
     "localname": "RangeMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioForecastMember": {
     "auth_ref": [
      "r405"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information reported for future period.",
        "label": "Forecast [Member]",
        "terseLabel": "Forecast"
       }
      }
     },
     "localname": "ScenarioForecastMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScenarioUnspecifiedDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.",
        "label": "Scenario [Domain]",
        "terseLabel": "Scenario [Domain]"
       }
      }
     },
     "localname": "ScenarioUnspecifiedDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "auth_ref": [
      "r161"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of investment, including named security. Excludes consolidated entity.",
        "label": "Investment, Name [Axis]",
        "terseLabel": "Investment, Name [Axis]"
       }
      }
     },
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_SegmentGeographicalDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Geographical area.",
        "label": "Geographical [Domain]",
        "terseLabel": "Geographical [Domain]"
       }
      }
     },
     "localname": "SegmentGeographicalDomain",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_SingleFamilyMember": {
     "auth_ref": [
      "r395",
      "r398",
      "r406",
      "r407"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Individual, freestanding, unattached residential building.",
        "label": "Single Family [Member]",
        "terseLabel": "Single family"
       }
      }
     },
     "localname": "SingleFamilyMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "srt_StatementGeographicalAxis": {
     "auth_ref": [
      "r119",
      "r216",
      "r218",
      "r378",
      "r395",
      "r398",
      "r406",
      "r407"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by geographical components.",
        "label": "Geographical [Axis]",
        "terseLabel": "Investment Geographic Region [Axis]"
       }
      }
     },
     "localname": "StatementGeographicalAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_StatementScenarioAxis": {
     "auth_ref": [
      "r184",
      "r320"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.",
        "label": "Scenario [Axis]",
        "terseLabel": "Scenario [Axis]"
       }
      }
     },
     "localname": "StatementScenarioAxis",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "srt_WeightedAverageMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Average of a range of values, calculated with consideration of proportional relevance.",
        "label": "Weighted Average [Member]",
        "terseLabel": "Weighted Average"
       }
      }
     },
     "localname": "WeightedAverageMember",
     "nsuri": "http://fasb.org/srt/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_CA": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "CALIFORNIA",
        "terseLabel": "CA"
       }
      }
     },
     "localname": "CA",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_FL": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "FLORIDA",
        "terseLabel": "FL"
       }
      }
     },
     "localname": "FL",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_NJ": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "NEW JERSEY",
        "terseLabel": "NJ"
       }
      }
     },
     "localname": "NJ",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_NY": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "NEW YORK",
        "terseLabel": "NY"
       }
      }
     },
     "localname": "NY",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_OH": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "OHIO",
        "terseLabel": "OH"
       }
      }
     },
     "localname": "OH",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_PA": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "PENNSYLVANIA",
        "terseLabel": "PA"
       }
      }
     },
     "localname": "PA",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "stpr_TX": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "TEXAS",
        "terseLabel": "TX"
       }
      }
     },
     "localname": "TX",
     "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AOCIAttributableToParentNetOfTaxRollForward": {
     "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": "AOCI Attributable to Parent, Net of Tax [Roll Forward]",
        "terseLabel": "AOCI [Roll Forward]"
       }
      }
     },
     "localname": "AOCIAttributableToParentNetOfTaxRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccountingPoliciesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Accounting Policies [Abstract]"
       }
      }
     },
     "localname": "AccountingPoliciesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments": {
     "auth_ref": [
      "r81"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.",
        "label": "Accretion (Amortization) of Discounts and Premiums, Investments",
        "negatedLabel": "(Accretion) amortization of investment discounts/premiums, net"
       }
      }
     },
     "localname": "AccretionAmortizationOfDiscountsAndPremiumsInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember": {
     "auth_ref": [
      "r380"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cumulative distributions to shareholders (or partners) in excess of retained earnings (or accumulated earnings).",
        "label": "Accumulated Distributions in Excess of Net Income [Member]",
        "terseLabel": "Cumulative Distributions to Stockholders"
       }
      }
     },
     "localname": "AccumulatedDistributionsInExcessOfNetIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember": {
     "auth_ref": [
      "r38",
      "r39",
      "r41",
      "r45",
      "r48"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), attributable to parent.",
        "label": "AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]",
        "terseLabel": "Unrealized gains (losses) on available-for-sale securities, net"
       }
      }
     },
     "localname": "AccumulatedNetUnrealizedInvestmentGainLossMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail",
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems": {
     "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": "Accumulated Other Comprehensive Income (Loss) [Line Items]",
        "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Line Items]"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r43",
      "r44",
      "r45"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 5.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.",
        "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax",
        "terseLabel": "Accumulated other comprehensive income"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about components of accumulated other comprehensive income (loss).",
        "label": "Accumulated Other Comprehensive Income (Loss) [Table]",
        "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Table]"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeLossTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [
      "r42",
      "r45",
      "r48",
      "r249"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.",
        "label": "AOCI Attributable to Parent [Member]",
        "terseLabel": "Accumulated Other Comprehensive Income",
        "verboseLabel": "Total Accumulated OCI Balance"
       }
      }
     },
     "localname": "AccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdditionalPaidInCapitalCommonStock": {
     "auth_ref": [
      "r10"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 4.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.",
        "label": "Additional Paid in Capital, Common Stock",
        "terseLabel": "Additional paid-in-capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AdditionalPaidInCapitalMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.",
        "label": "Additional Paid-in Capital [Member]",
        "terseLabel": "Additional Paid-in Capital"
       }
      }
     },
     "localname": "AdditionalPaidInCapitalMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]",
        "terseLabel": "Adjustments to reconcile net income to net cash provided by (used in) operating activities:"
       }
      }
     },
     "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AllocatedShareBasedCompensationExpense": {
     "auth_ref": [
      "r228",
      "r233",
      "r235"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.",
        "label": "Share-based Payment Arrangement, Expense",
        "verboseLabel": "Common dividends declared"
       }
      }
     },
     "localname": "AllocatedShareBasedCompensationExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AmortizationOfFinancingCostsAndDiscounts": {
     "auth_ref": [
      "r80",
      "r317"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "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",
        "terseLabel": "Accretion (amortization) of deferred financing costs and securitized debt discounts/premiums, net"
       }
      }
     },
     "localname": "AmortizationOfFinancingCostsAndDiscounts",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Assets": {
     "auth_ref": [
      "r117",
      "r339",
      "r366"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets",
        "totalLabel": "Total assets"
       }
      }
     },
     "localname": "Assets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets [Abstract]",
        "terseLabel": "Assets:"
       }
      }
     },
     "localname": "AssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsFairValueAdjustment": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.",
        "label": "Assets, Fair Value Adjustment",
        "terseLabel": "Change in fair value",
        "verboseLabel": "Net unrealized gains (losses) included in income"
       }
      }
     },
     "localname": "AssetsFairValueAdjustment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsFairValueDisclosure": {
     "auth_ref": [
      "r290"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.",
        "label": "Assets, Fair Value Disclosure",
        "terseLabel": "Fair value"
       }
      }
     },
     "localname": "AssetsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AssetsFairValueDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Assets, Fair Value Disclosure [Abstract]",
        "terseLabel": "Assets:"
       }
      }
     },
     "localname": "AssetsFairValueDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems": {
     "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": "Assets Sold under Agreements to Repurchase [Line Items]",
        "terseLabel": "Assets Sold under Agreements to Repurchase [Line Items]"
       }
      }
     },
     "localname": "AssetsSoldUnderAgreementsToRepurchaseLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain": {
     "auth_ref": [
      "r92",
      "r329"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maturity period remaining for repurchase agreements and similar transactions, for example, but not limited to, securities lending arrangements. Element name and standard label in Maturity [numeric lower end] to [numeric higher end] [date measure] [Member] or Maturity Greater Than [low end numeric value] [date measure] [Member] or Maturity Less Than [high end numeric value] [date measure] [Member] formats.",
        "label": "Repurchase Agreements and Similar Transactions, Maturity Periods [Domain]",
        "terseLabel": "Repurchase Agreements and Similar Transactions, Maturity Periods [Domain]"
       }
      }
     },
     "localname": "AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis": {
     "auth_ref": [
      "r92",
      "r329"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by maturity period remaining for repurchase agreements and similar transactions, for example, but not limited to, securities lending arrangements. Element name and standard label in Maturity [numeric lower end] to [numeric higher end] [date measure] [Member] or Maturity Greater Than [low end numeric value] [date measure] [Member] or Maturity Less Than [high end numeric value] [date measure] [Member] formats.",
        "label": "Repurchase Agreements and Similar Transactions, Maturity Periods [Axis]",
        "terseLabel": "Repurchase Agreements and Similar Transactions, Maturity Periods [Axis]"
       }
      }
     },
     "localname": "AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax": {
     "auth_ref": [
      "r136"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax",
        "terseLabel": "Gross Unrealized Gains",
        "totalLabel": "Total Gross Unrealized Gain"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": {
     "auth_ref": [
      "r137"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax",
        "negatedLabel": "Gross Unrealized Losses",
        "negatedTotalLabel": "Total Gross Unrealized Loss",
        "terseLabel": "Gross unrealized loss"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": {
     "auth_ref": [
      "r134",
      "r173"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Amortized Cost",
        "totalLabel": "Amortized Cost"
       }
      }
     },
     "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost": {
     "auth_ref": [
      "r142"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost",
        "terseLabel": "Greater than five years and less than ten years, at amortized cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue": {
     "auth_ref": [
      "r138",
      "r142",
      "r359"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value",
        "terseLabel": "Greater than five years and less than ten years, at fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost": {
     "auth_ref": [
      "r141"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost",
        "terseLabel": "Greater than one year and less than five years, at amortized cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue": {
     "auth_ref": [
      "r138",
      "r141",
      "r358"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value",
        "terseLabel": "Greater than one year and less than five years, at fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost": {
     "auth_ref": [
      "r143"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost",
        "terseLabel": "Greater than ten years, at amortized cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue": {
     "auth_ref": [
      "r138",
      "r143",
      "r360"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 4.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value",
        "terseLabel": "Greater than ten years, at fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract]",
        "terseLabel": "Amortized cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract]",
        "terseLabel": "Fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost": {
     "auth_ref": [
      "r140"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized cost of investment in debt security measured at fair value with change recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost",
        "terseLabel": "Less than one year, at amortized cost"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue": {
     "auth_ref": [
      "r138",
      "r140",
      "r357"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.",
        "label": "Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value",
        "terseLabel": "Less than one year, at fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableForSaleSecuritiesDebtSecurities": {
     "auth_ref": [
      "r130",
      "r135",
      "r173"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale",
        "terseLabel": "Fair Value",
        "totalLabel": "Total maturities, at fair value"
       }
      }
     },
     "localname": "AvailableForSaleSecuritiesDebtSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_AvailableforsaleSecuritiesMember": {
     "auth_ref": [
      "r158"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Available-for-sale Securities [Member]",
        "terseLabel": "Available-for-sale Securities"
       }
      }
     },
     "localname": "AvailableforsaleSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_AwardTypeAxis": {
     "auth_ref": [
      "r229",
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of award under share-based payment arrangement.",
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type [Axis]"
       }
      }
     },
     "localname": "AwardTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_BankingAndThriftAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Banking and Thrift [Abstract]"
       }
      }
     },
     "localname": "BankingAndThriftAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_BaseRateMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Minimum rate investor will accept.",
        "label": "Base Rate [Member]",
        "terseLabel": "Base Rate"
       }
      }
     },
     "localname": "BaseRateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock": {
     "auth_ref": [
      "r94"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the basis of presentation and significant accounting policies concepts. 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).  Accounting policies describe all significant accounting policies of the reporting entity.",
        "label": "Basis of Presentation and Significant Accounting Policies [Text Block]",
        "terseLabel": "Summary of the Significant Accounting Policies"
       }
      }
     },
     "localname": "BasisOfPresentationAndSignificantAccountingPoliciesTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CarryingReportedAmountFairValueDisclosureMember": {
     "auth_ref": [
      "r306",
      "r307"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as reported on the statement of financial position (balance sheet).",
        "label": "Reported Value Measurement [Member]",
        "terseLabel": "Carrying Amount"
       }
      }
     },
     "localname": "CarryingReportedAmountFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CashAndCashEquivalentsAtCarryingValue": {
     "auth_ref": [
      "r1",
      "r15",
      "r82"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 1.0,
       "parentTag": "us-gaap_Assets",
       "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": {
     "auth_ref": [
      "r76",
      "r82",
      "r84"
     ],
     "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 and cash equivalents at end of period",
        "periodStartLabel": "Cash and cash equivalents at beginning of period"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": {
     "auth_ref": [
      "r76",
      "r313"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect",
        "totalLabel": "Net increase (decrease) in cash and cash equivalents"
       }
      }
     },
     "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesCarryingAmountNet": {
     "auth_ref": [
      "r127",
      "r128"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and other-than-temporary impairments), for certain contractual rights to receive money on demand or on fixed or determinable dates. This relates to loans accounted for as available-for-sale debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Carrying Amount, Net",
        "periodEndLabel": "End of period",
        "periodStartLabel": "Beginning of period"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesCarryingAmountNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesOutstandingBalance": {
     "auth_ref": [
      "r127",
      "r128"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans accounted for as available-for-sale debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Outstanding Balance",
        "periodEndLabel": "End of period",
        "periodStartLabel": "Beginning of period"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesOutstandingBalance",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield": {
     "auth_ref": [
      "r127",
      "r129"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield",
        "periodEndLabel": "Balance at end of period",
        "periodStartLabel": "Balance at beginning of period"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion": {
     "auth_ref": [
      "r127",
      "r129"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Current period recognition due to accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion",
        "negatedLabel": "Yield income earned"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions": {
     "auth_ref": [
      "r127",
      "r129"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Increases in the aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan due to the acquisition of similar loans accounted for as debt securities during the period. This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Additions",
        "terseLabel": "Purchases"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans": {
     "auth_ref": [
      "r127",
      "r129"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sale or transfer of a loan during the period resulting in a reduction in the excess of a loan's cash flows expected to be collected over the investor's initial investment.  This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.",
        "label": "Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Disposals of Loans",
        "negatedLabel": "Sales and deconsolidation"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleRollForward": {
     "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": "Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]",
        "terseLabel": "Accretable Yield Movement Schedule [Roll Forward]"
       }
      }
     },
     "localname": "CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ClassOfStockDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock.",
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock [Domain]"
       }
      }
     },
     "localname": "ClassOfStockDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Class of Stock [Line Items]",
        "terseLabel": "Class of Stock [Line Items]"
       }
      }
     },
     "localname": "ClassOfStockLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail",
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ClassificationOfVariableInterestEntityDomain": {
     "auth_ref": [
      "r251",
      "r254",
      "r255",
      "r258"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Categorization of Variable Interest Entities (VIE) for consolidation and (or) disclosure purposes, whether individually or in aggregate, by: (1) VIEs consolidated because the entity is the primary beneficiary, (2) VIEs not consolidated because the entity is not the primary beneficiary, and (3) VIEs or potential VIEs that are not consolidated because necessary information is not available. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. A VIE often holds financial assets, including loans or receivables, real estate or other property. A VIE may be essentially passive or it may engage in research and development or other activities on behalf of another company.",
        "label": "Variable Interest Entity, Classification [Domain]",
        "terseLabel": "Variable Interest Entity, Classification [Domain]"
       }
      }
     },
     "localname": "ClassificationOfVariableInterestEntityDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommitmentsAndContingencies": {
     "auth_ref": [
      "r21",
      "r183",
      "r347",
      "r370"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 1.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "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 (See Note 15)"
       }
      }
     },
     "localname": "CommitmentsAndContingencies",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Commitments and Contingencies Disclosure [Abstract]"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": {
     "auth_ref": [
      "r182",
      "r190"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for commitments and contingencies.",
        "label": "Commitments and Contingencies Disclosure [Text Block]",
        "terseLabel": "Commitments and Contingencies"
       }
      }
     },
     "localname": "CommitmentsAndContingenciesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingencies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CommonStockDividendsPerShareDeclared": {
     "auth_ref": [
      "r212"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate dividends declared during the period for each share of common stock outstanding.",
        "label": "Common Stock, Dividends, Per Share, Declared",
        "verboseLabel": "Dividends declared per share of common stock (usd per share)"
       }
      }
     },
     "localname": "CommonStockDividendsPerShareDeclared",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock that is subordinate to all other stock of the issuer.",
        "label": "Common Stock [Member]",
        "terseLabel": "Common Stock Par Value",
        "verboseLabel": "Common Stock"
       }
      }
     },
     "localname": "CommonStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_CommonStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r9"
     ],
     "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 (usd per share)"
       }
      }
     },
     "localname": "CommonStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_CommonStockSharesAuthorized": {
     "auth_ref": [
      "r9"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.",
        "label": "Common Stock, Shares Authorized",
        "terseLabel": "Common stock, shares authorized (shares)"
       }
      }
     },
     "localname": "CommonStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesIssued": {
     "auth_ref": [
      "r9"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.",
        "label": "Common Stock, Shares, Issued",
        "terseLabel": "Common stock, shares issued (shares)"
       }
      }
     },
     "localname": "CommonStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockSharesOutstanding": {
     "auth_ref": [
      "r9",
      "r204"
     ],
     "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",
        "terseLabel": "Common stock, shares outstanding (shares)"
       }
      }
     },
     "localname": "CommonStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_CommonStockValue": {
     "auth_ref": [
      "r9"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 3.0,
       "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: par value $0.01 per share; 500,000,000 and 300,000,000 shares authorized, 187,158,540 and 187,052,398 shares issued and outstanding, respectively"
       }
      }
     },
     "localname": "CommonStockValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CompensationAndEmployeeBenefitPlansTextBlock": {
     "auth_ref": [
      "r219",
      "r220",
      "r226",
      "r236"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.",
        "label": "Compensation and Employee Benefit Plans [Text Block]",
        "terseLabel": "Equity Compensation, Employment Agreements and other Benefit Plans"
       }
      }
     },
     "localname": "CompensationAndEmployeeBenefitPlansTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlans"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CompensationRelatedCostsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Compensation Related Costs [Abstract]"
       }
      }
     },
     "localname": "CompensationRelatedCostsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTax": {
     "auth_ref": [
      "r51",
      "r53",
      "r54"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "cim_ComprehensiveIncomeLossNetofTaxAttributabletoCommonShareholders",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.",
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent",
        "totalLabel": "Comprehensive income (loss) before preferred stock dividends"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ComprehensiveIncomeNetOfTaxAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]",
        "terseLabel": "Comprehensive income (loss):"
       }
      }
     },
     "localname": "ComprehensiveIncomeNetOfTaxAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ComprehensiveIncomeNoteTextBlock": {
     "auth_ref": [
      "r66"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.",
        "label": "Comprehensive Income (Loss) Note [Text Block]",
        "terseLabel": "Accumulated Other Comprehensive Income"
       }
      }
     },
     "localname": "ComprehensiveIncomeNoteTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncome"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_CreditDerivativesLineItems": {
     "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": "Credit Derivatives [Line Items]",
        "terseLabel": "Credit Derivatives [Line Items]"
       }
      }
     },
     "localname": "CreditDerivativesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_CreditRiskDerivativesAtFairValueNet": {
     "auth_ref": [
      "r281"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of credit risk derivative asset after deduction of credit risk derivative liability.",
        "label": "Credit Risk Derivatives, at Fair Value, Net",
        "terseLabel": "Fair value of credit risk derivative instruments in a net asset (liability) position"
       }
      }
     },
     "localname": "CreditRiskDerivativesAtFairValueNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_CumulativeDividends": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 7.0,
       "parentTag": "us-gaap_StockholdersEquity",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cumulative cash dividends distributed to shareholders.",
        "label": "Cumulative Dividends",
        "negatedTerseLabel": "Cumulative distributions to stockholders"
       }
      }
     },
     "localname": "CumulativeDividends",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Debt Disclosure [Abstract]"
       }
      }
     },
     "localname": "DebtDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtDisclosureTextBlock": {
     "auth_ref": [
      "r199"
     ],
     "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": "Securitized Debt"
       }
      }
     },
     "localname": "DebtDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebt"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentAxis": {
     "auth_ref": [
      "r3",
      "r4",
      "r5",
      "r340",
      "r342",
      "r364"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentFaceAmount": {
     "auth_ref": [
      "r316",
      "r318"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Face (par) amount of debt instrument at time of issuance.",
        "label": "Debt Instrument, Face Amount",
        "terseLabel": "Principal balance"
       }
      }
     },
     "localname": "DebtInstrumentFaceAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtInstrumentLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Debt Instrument [Line Items]",
        "terseLabel": "Debt Instrument [Line Items]"
       }
      }
     },
     "localname": "DebtInstrumentLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentNameDomain": {
     "auth_ref": [
      "r20"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DebtInstrumentRedemptionLineItems": {
     "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, Redemption [Line Items]",
        "terseLabel": "Debt Instrument, Redemption [Line Items]"
       }
      }
     },
     "localname": "DebtInstrumentRedemptionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentRedemptionTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption.",
        "label": "Debt Instrument Redemption [Table]",
        "terseLabel": "Debt Instrument Redemption [Table]"
       }
      }
     },
     "localname": "DebtInstrumentRedemptionTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtInstrumentRedemptionTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption.",
        "label": "Debt Instrument Redemption [Table Text Block]",
        "terseLabel": "Schedule of callable debt"
       }
      }
     },
     "localname": "DebtInstrumentRedemptionTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DebtInstrumentTable": {
     "auth_ref": [
      "r20",
      "r90",
      "r205",
      "r209",
      "r210",
      "r211",
      "r315",
      "r316",
      "r318",
      "r363"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Schedule of Long-term Debt Instruments [Table]",
        "terseLabel": "Schedule of Long-term Debt Instruments [Table]"
       }
      }
     },
     "localname": "DebtInstrumentTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax",
        "totalLabel": "Net Unrealized Gain/(Loss)"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger": {
     "auth_ref": [
      "r149",
      "r178",
      "r181"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer",
        "terseLabel": "Unrealized Loss Position for 12 Months or More, Estimated Fair Value"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss": {
     "auth_ref": [
      "r149",
      "r178"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss",
        "negatedTerseLabel": "Unrealized Loss Position for 12 Months or More, Unrealized Losses"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions": {
     "auth_ref": [
      "r176"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions",
        "terseLabel": "Unrealized Loss Position for 12 Months or More, Number of Positions"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months": {
     "auth_ref": [
      "r149",
      "r178",
      "r181"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months",
        "terseLabel": "Unrealized Loss Position for Less than 12 Months, Estimated Fair Value"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss": {
     "auth_ref": [
      "r149",
      "r178"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss",
        "negatedTerseLabel": "Unrealized Loss Position for Less than 12 Months, Unrealized Losses"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions": {
     "auth_ref": [
      "r176"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions",
        "terseLabel": "Unrealized Loss Position for Less than 12 Months, Number of Positions"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleMeasurementInput": {
     "auth_ref": [
      "r295"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Debt Securities, Available-for-sale, Measurement Input",
        "verboseLabel": "Significant Inputs"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleMeasurementInput",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "decimalItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition": {
     "auth_ref": [
      "r145",
      "r174",
      "r181"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position",
        "totalLabel": "Total, Estimated Fair Value"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPosition",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss": {
     "auth_ref": [
      "r146",
      "r175"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss",
        "negatedTotalLabel": "Total, Unrealized Losses"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions": {
     "auth_ref": [
      "r147",
      "r176"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.",
        "label": "Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions",
        "totalLabel": "Total, Number of Positions"
       }
      }
     },
     "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail"
     ],
     "xbrltype": "integerItemType"
    },
    "us-gaap_DefinedContributionPlanCostRecognized": {
     "auth_ref": [
      "r225"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cost for defined contribution plan.",
        "label": "Defined Contribution Plan, Cost",
        "verboseLabel": "Expense related to qualified plan"
       }
      }
     },
     "localname": "DefinedContributionPlanCostRecognized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.",
        "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay",
        "terseLabel": "Employer matching contribution, percent of employees' gross pay"
       }
      }
     },
     "localname": "DefinedContributionPlanEmployerMatchingContributionPercent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage employer matches of the employee's percentage contribution matched.",
        "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match",
        "terseLabel": "Employer matching contribution, percent of match"
       }
      }
     },
     "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatch",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset": {
     "auth_ref": [
      "r27",
      "r263"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeAssets",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.",
        "label": "Derivative Asset, Collateral, Obligation to Return Cash, Offset",
        "negatedLabel": "Counterparty and Cash Collateral, netting",
        "negatedTerseLabel": "Gross Amounts Offset in the Consolidated Statements of Financial Position"
       }
      }
     },
     "localname": "DerivativeAssetCollateralObligationToReturnCashOffset",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeAssetFairValueAmountOffsetAgainstCollateralAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Derivative Asset, Fair Value, Amount Offset Against Collateral [Abstract]",
        "terseLabel": "Derivative Asset"
       }
      }
     },
     "localname": "DerivativeAssetFairValueAmountOffsetAgainstCollateralAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeAssets": {
     "auth_ref": [
      "r28",
      "r33",
      "r305"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 7.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned",
       "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. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Asset",
        "terseLabel": "Derivatives, at fair value, net",
        "totalLabel": "Net Amounts Offset in the Consolidated Statements of Financial Position",
        "verboseLabel": "Derivative Assets, Net Estimated Fair Value/Carrying Value"
       }
      }
     },
     "localname": "DerivativeAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeCollateralObligationToReturnCash": {
     "auth_ref": [
      "r29",
      "r34",
      "r285"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.",
        "label": "Derivative, Collateral, Obligation to Return Cash",
        "negatedLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged"
       }
      }
     },
     "localname": "DerivativeCollateralObligationToReturnCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeCollateralObligationToReturnSecurities": {
     "auth_ref": [
      "r29",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.",
        "label": "Derivative, Collateral, Obligation to Return Securities",
        "negatedLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments"
       }
      }
     },
     "localname": "DerivativeCollateralObligationToReturnSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeCollateralRightToReclaimCash": {
     "auth_ref": [
      "r29",
      "r34",
      "r285"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.",
        "label": "Derivative, Collateral, Right to Reclaim Cash",
        "terseLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged"
       }
      }
     },
     "localname": "DerivativeCollateralRightToReclaimCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeCollateralRightToReclaimSecurities": {
     "auth_ref": [
      "r29",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities.",
        "label": "Derivative, Collateral, Right to Reclaim Securities",
        "terseLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments"
       }
      }
     },
     "localname": "DerivativeCollateralRightToReclaimSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeCostOfHedge": {
     "auth_ref": [],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The premium (cost) of a hedge, expensed during the period.",
        "label": "Derivative, Cost of Hedge",
        "terseLabel": "Amortization of swaption premium"
       }
      }
     },
     "localname": "DerivativeCostOfHedge",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral": {
     "auth_ref": [
      "r28",
      "r33",
      "r37",
      "r286"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after offset of derivative liability, of 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.",
        "label": "Derivative Asset, Fair Value, Amount Not Offset Against Collateral",
        "terseLabel": "Derivatives",
        "verboseLabel": "Gross Amounts of Recognized Assets (Liabilities)"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral": {
     "auth_ref": [
      "r30",
      "r34",
      "r284"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after effects of master netting arrangements, of 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 offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Asset, Fair Value, Amount Offset Against Collateral",
        "totalLabel": "Net Amount"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral": {
     "auth_ref": [
      "r28",
      "r33",
      "r37",
      "r286"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.",
        "label": "Derivative Liability, Fair Value, Amount Not Offset Against Collateral",
        "negatedTerseLabel": "Derivatives",
        "terseLabel": "Derivatives"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral": {
     "auth_ref": [
      "r30",
      "r34",
      "r284"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value, after effects of master netting arrangements, of 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 offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability, Fair Value, Amount Offset Against Collateral",
        "negatedTotalLabel": "Net Amount"
       }
      }
     },
     "localname": "DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeGainLossOnDerivativeNet": {
     "auth_ref": [
      "r269"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "us-gaap_GainLossOnDerivativeInstrumentsNetPretax",
       "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": "Net realized gains (losses) on derivatives"
       }
      }
     },
     "localname": "DerivativeGainLossOnDerivativeNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]"
       }
      }
     },
     "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": {
     "auth_ref": [
      "r289"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.",
        "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]",
        "terseLabel": "Derivative Instruments"
       }
      }
     },
     "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstruments"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable": {
     "auth_ref": [
      "r266",
      "r268",
      "r272",
      "r276",
      "r277",
      "r287",
      "r288"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about 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]",
        "terseLabel": "Derivative Instruments, Gain (Loss) [Table]"
       }
      }
     },
     "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsGainLossLineItems": {
     "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 Instruments, Gain (Loss) [Line Items]",
        "terseLabel": "Derivative Instruments, Gain (Loss) [Line Items]"
       }
      }
     },
     "localname": "DerivativeInstrumentsGainLossLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet": {
     "auth_ref": [
      "r271",
      "r273"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 7.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "cim_OtherGainsLosses",
       "weight": 1.0
      }
     },
     "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",
        "negatedLabel": "Net unrealized losses (gains) on financial instruments at fair value",
        "terseLabel": "Net unrealized gains (losses) on financial instruments at fair value"
       }
      }
     },
     "localname": "DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilities": {
     "auth_ref": [
      "r28",
      "r33",
      "r305"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned",
       "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. Includes liabilities not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability",
        "negatedLabel": "Derivative Liabilities, Net Estimated Fair Value/Carrying Value",
        "negatedTotalLabel": "Net Amounts Offset in the Consolidated Statements of Financial Position",
        "totalLabel": "Net Amounts Offset in the Consolidated Statements of Financial Position"
       }
      }
     },
     "localname": "DerivativeLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilityCollateralRightToReclaimCashOffset": {
     "auth_ref": [
      "r27",
      "r263"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.",
        "label": "Derivative Liability, Collateral, Right to Reclaim Cash, Offset",
        "negatedTerseLabel": "Counterparty and Cash Collateral, netting",
        "verboseLabel": "Gross Amounts Offset in the Consolidated Statements of Financial Position"
       }
      }
     },
     "localname": "DerivativeLiabilityCollateralRightToReclaimCashOffset",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilityFairValueAmountOffsetAgainstCollateralAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Derivative Liability, Fair Value, Amount Offset Against Collateral [Abstract]",
        "terseLabel": "Derivative Liability"
       }
      }
     },
     "localname": "DerivativeLiabilityFairValueAmountOffsetAgainstCollateralAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned": {
     "auth_ref": [
      "r28",
      "r33"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after the effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned. Includes liabilities not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned",
        "negatedTotalLabel": "Net Amounts Offset in the Consolidated Statements of Financial Position"
       }
      }
     },
     "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned [Abstract]",
        "terseLabel": "Total Liabilities"
       }
      }
     },
     "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral": {
     "auth_ref": [
      "r30",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned offset against a right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.",
        "label": "Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Amount Offset Against Collateral",
        "negatedTotalLabel": "Net Amount"
       }
      }
     },
     "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset": {
     "auth_ref": [
      "r27",
      "r36"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of asset associated with derivative liabilities, securities sold under agreements to repurchase and securities loaned.",
        "label": "Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Asset",
        "totalLabel": "Gross Amounts Offset in the Consolidated Statements of Financial Position"
       }
      }
     },
     "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash": {
     "auth_ref": [
      "r29",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned.",
        "label": "Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Cash",
        "totalLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged"
       }
      }
     },
     "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities": {
     "auth_ref": [
      "r29",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities, securities sold under agreements to repurchase and securities loaned.",
        "label": "Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Securities",
        "totalLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments"
       }
      }
     },
     "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross": {
     "auth_ref": [
      "r26",
      "r35"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before effects of master netting arrangements, of derivative liabilities, securities sold under agreements to repurchase and securities loaned. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.",
        "label": "Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Gross",
        "negatedTotalLabel": "Gross Amounts of Recognized Assets (Liabilities)"
       }
      }
     },
     "localname": "DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativeNotionalAmount": {
     "auth_ref": [
      "r264",
      "r265"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Nominal or face amount used to calculate payment on derivative.",
        "label": "Derivative, Notional Amount",
        "terseLabel": "Notional Amount Outstanding"
       }
      }
     },
     "localname": "DerivativeNotionalAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DerivativesFairValueLineItems": {
     "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": "Derivatives, Fair Value [Line Items]",
        "terseLabel": "Derivatives, Fair Value [Line Items]"
       }
      }
     },
     "localname": "DerivativesFairValueLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DilutiveSecurities": {
     "auth_ref": [
      "r105"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAttributableToParentDiluted",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise stock options, restrictive stock units (RSUs), convertible preferred stock of an employee stock ownership plan (ESOP), and other dilutive convertible securities.",
        "label": "Dilutive Securities, Effect on Basic Earnings Per Share",
        "terseLabel": "Effect of dilutive securities:"
       }
      }
     },
     "localname": "DilutiveSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DividendsAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information about distribution of earnings to shareholders including, but not limited to, cash, property or capital stock.",
        "label": "Dividends [Axis]",
        "terseLabel": "Dividends [Axis]"
       }
      }
     },
     "localname": "DividendsAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_DividendsCommonStockCash": {
     "auth_ref": [
      "r212"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.",
        "label": "Dividends, Common Stock, Cash",
        "negatedLabel": "Common dividends declared",
        "terseLabel": "Common dividends declared"
       }
      }
     },
     "localname": "DividendsCommonStockCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DividendsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Distributions of earnings to shareholders including but not limited to cash, property or capital stock.",
        "label": "Dividends [Domain]",
        "terseLabel": "Dividends [Domain]"
       }
      }
     },
     "localname": "DividendsDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_DividendsPayableCurrentAndNoncurrent": {
     "auth_ref": [
      "r4",
      "r6",
      "r341",
      "r367"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 6.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.",
        "label": "Dividends Payable",
        "terseLabel": "Dividends payable"
       }
      }
     },
     "localname": "DividendsPayableCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_DividendsPreferredStock": {
     "auth_ref": [
      "r212",
      "r362"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "cim_ComprehensiveIncomeLossNetofTaxAttributabletoCommonShareholders",
       "weight": -1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).",
        "label": "Dividends, Preferred Stock",
        "negatedTerseLabel": "Preferred dividends declared",
        "terseLabel": "Dividends on preferred stock",
        "verboseLabel": "Dividends on preferred stock"
       }
      }
     },
     "localname": "DividendsPreferredStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_EarningsPerShareAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Earnings Per Share [Abstract]",
        "terseLabel": "Net income (loss) per share available to common shareholders:"
       }
      }
     },
     "localname": "EarningsPerShareAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_EarningsPerShareBasic": {
     "auth_ref": [
      "r60",
      "r95",
      "r99",
      "r101",
      "r102",
      "r103",
      "r106",
      "r351",
      "r373"
     ],
     "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": "Basic (usd per share)",
        "verboseLabel": "Net income per average share attributable to common stockholders - Basic (usd per share)"
       }
      }
     },
     "localname": "EarningsPerShareBasic",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EarningsPerShareDiluted": {
     "auth_ref": [
      "r60",
      "r95",
      "r99",
      "r101",
      "r102",
      "r103",
      "r106",
      "r351",
      "r373"
     ],
     "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": "Diluted (usd per share)",
        "verboseLabel": "Net income per average share attributable to common stockholders - Diluted (usd per share)"
       }
      }
     },
     "localname": "EarningsPerShareDiluted",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_EquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Equity [Abstract]"
       }
      }
     },
     "localname": "EquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_EquityComponentDomain": {
     "auth_ref": [
      "r204"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail",
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_EquityMethodInvestmentOwnershipPercentage": {
     "auth_ref": [
      "r161"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.",
        "label": "Equity Method Investment, Ownership Percentage",
        "terseLabel": "Ownership percentage acquired"
       }
      }
     },
     "localname": "EquityMethodInvestmentOwnershipPercentage",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_EstimateOfFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r305"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured as an estimate of fair value.",
        "label": "Estimate of Fair Value Measurement [Member]",
        "terseLabel": "Fair Value"
       }
      }
     },
     "localname": "EstimateOfFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ExternalCreditRatingByGroupingAxis": {
     "auth_ref": [
      "r122",
      "r166",
      "r194",
      "r280"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by external rating classified as investment grade or non investment grade.",
        "label": "External Credit Rating by Grouping [Axis]",
        "terseLabel": "External Credit Rating by Grouping [Axis]"
       }
      }
     },
     "localname": "ExternalCreditRatingByGroupingAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ExternalCreditRatingByGroupingDomain": {
     "auth_ref": [
      "r193",
      "r279"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "External credit rating classified as investment grade or non-investment grade.",
        "label": "External Credit Rating by Grouping [Domain]",
        "terseLabel": "External Credit Rating by Grouping [Domain]"
       }
      }
     },
     "localname": "ExternalCreditRatingByGroupingDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ExtinguishmentOfDebtAmount": {
     "auth_ref": [],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Gross amount of debt extinguished.",
        "label": "Extinguishment of Debt, Amount",
        "terseLabel": "Acquired securitized debt collateral outstanding principal balance"
       }
      }
     },
     "localname": "ExtinguishmentOfDebtAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": {
     "auth_ref": [
      "r290",
      "r291",
      "r292",
      "r301"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems": {
     "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 Measurement Inputs and Valuation Techniques [Line Items]",
        "terseLabel": "Fair Value Inputs, Assets, Quantitative Information [Line Items]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable": {
     "auth_ref": [
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.",
        "label": "Fair Value Measurement Inputs and Valuation Techniques [Table]",
        "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques [Table]"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock": {
     "auth_ref": [
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.",
        "label": "Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]",
        "verboseLabel": "A summary of the significant inputs used to estimate the fair value of securitized debt at fair value, collateralized by loans held for investment"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings [Abstract]",
        "terseLabel": "Gains (losses) included in net income"
       }
      }
     },
     "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": {
     "auth_ref": [
      "r296"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Class of asset.",
        "label": "Asset Class [Domain]",
        "terseLabel": "Asset Class [Domain]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": {
     "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": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]",
        "terseLabel": "Fair Value, Assets Measured on Recurring Basis [Roll Forward]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems": {
     "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 Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]",
        "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable": {
     "auth_ref": [
      "r296",
      "r301"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of information required and determined to be provided for purposes of reconciling beginning and ending balances of fair value measurements of assets using significant unobservable inputs (level 3). Such reconciliation, separately presenting changes during the period, at a minimum, may include, but is not limited to: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.",
        "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]",
        "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": {
     "auth_ref": [
      "r296",
      "r301"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.",
        "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]",
        "terseLabel": "Summary of the changes in the fair value of securities classified as Level 3"
       }
      }
     },
     "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByAssetClassAxis": {
     "auth_ref": [
      "r290",
      "r301"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by class of asset.",
        "label": "Asset Class [Axis]",
        "terseLabel": "Asset Class [Axis]"
       }
      }
     },
     "localname": "FairValueByAssetClassAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTable": {
     "auth_ref": [
      "r290",
      "r306",
      "r307"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByBalanceSheetGroupingTextBlock": {
     "auth_ref": [
      "r290",
      "r306"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of 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 Text Block]",
        "terseLabel": "Schedule of carrying value and fair value of financial instruments not carried at fair value on a recurring basis"
       }
      }
     },
     "localname": "FairValueByBalanceSheetGroupingTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueByFairValueHierarchyLevelAxis": {
     "auth_ref": [
      "r221",
      "r222",
      "r224",
      "r291",
      "r323"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementBasisAxis": {
     "auth_ref": [
      "r290",
      "r302"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement basis.",
        "label": "Measurement Basis [Axis]",
        "terseLabel": "Measurement Basis [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementBasisAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueByMeasurementFrequencyAxis": {
     "auth_ref": [
      "r290",
      "r291",
      "r294",
      "r295",
      "r303"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by measurement frequency.",
        "label": "Measurement Frequency [Axis]",
        "terseLabel": "Measurement Frequency [Axis]"
       }
      }
     },
     "localname": "FairValueByMeasurementFrequencyAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosureItemAmountsDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value.",
        "label": "Fair Value Measurement [Domain]",
        "terseLabel": "Fair Value Measurement [Domain]"
       }
      }
     },
     "localname": "FairValueDisclosureItemAmountsDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueDisclosuresAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value Disclosures [Abstract]"
       }
      }
     },
     "localname": "FairValueDisclosuresAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueDisclosuresTextBlock": {
     "auth_ref": [
      "r300"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.",
        "label": "Fair Value Disclosures [Text Block]",
        "terseLabel": "Fair Value Measurements"
       }
      }
     },
     "localname": "FairValueDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueInputsLevel1Member": {
     "auth_ref": [
      "r221",
      "r222",
      "r224",
      "r291",
      "r324"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.",
        "label": "Fair Value, Inputs, Level 1 [Member]",
        "terseLabel": "Level 1"
       }
      }
     },
     "localname": "FairValueInputsLevel1Member",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel2Member": {
     "auth_ref": [
      "r221",
      "r222",
      "r224",
      "r291",
      "r325"
     ],
     "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": "Level 2"
       }
      }
     },
     "localname": "FairValueInputsLevel2Member",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueInputsLevel3Member": {
     "auth_ref": [
      "r221",
      "r222",
      "r224",
      "r291",
      "r326"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Inputs, Level 3 [Member]",
        "terseLabel": "Level 3"
       }
      }
     },
     "localname": "FairValueInputsLevel3Member",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": {
     "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": "Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]",
        "terseLabel": "Fair Value, Liabilities Measured on Recurring Basis [Roll Forward]"
       }
      }
     },
     "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueMeasurementFrequencyDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement frequency.",
        "label": "Measurement Frequency [Domain]",
        "terseLabel": "Measurement Frequency [Domain]"
       }
      }
     },
     "localname": "FairValueMeasurementFrequencyDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementPolicyPolicyTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for fair value measurements of financial and non-financial assets, liabilities and instruments classified in shareholders' equity. Disclosures include, but are not limited to, how an entity that manages a group of financial assets and liabilities on the basis of its net exposure measures the fair value of those assets and liabilities.",
        "label": "Fair Value Measurement, Policy [Policy Text Block]",
        "terseLabel": "Fair Value Disclosure"
       }
      }
     },
     "localname": "FairValueMeasurementPolicyPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3": {
     "auth_ref": [
      "r299"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3",
        "terseLabel": "Securitized Debt, Transfers in to Level 3 assets"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3": {
     "auth_ref": [
      "r299"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3",
        "terseLabel": "Securitized Debt, Transfers out of Level 3 assets"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInOtherComprehensiveIncomeLossAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Gain (Loss) Included in Other Comprehensive Income (Loss) [Abstract]",
        "terseLabel": "Gains (losses) included in other comprehensive income"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInOtherComprehensiveIncomeLossAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss": {
     "auth_ref": [
      "r297"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)",
        "terseLabel": "Total unrealized gains (losses) for the period"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases": {
     "auth_ref": [
      "r298"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases",
        "terseLabel": "Purchases of assets/ issuance of debt"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3": {
     "auth_ref": [
      "r299"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3",
        "terseLabel": "Transfers in to Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3": {
     "auth_ref": [
      "r299"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3",
        "negatedTerseLabel": "Transfers out of Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue": {
     "auth_ref": [
      "r296"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value",
        "periodEndLabel": "Ending balance Level 3",
        "periodStartLabel": "Beginning balance Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome": {
     "auth_ref": [
      "r297"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3).",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)",
        "terseLabel": "Securitized Debt, Gains (losses) included in other comprehensive income"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases": {
     "auth_ref": [
      "r298"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases",
        "terseLabel": "Securitized Debt, Purchases of assets/ issuance of debt"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue": {
     "auth_ref": [
      "r296"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.",
        "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value",
        "periodEndLabel": "Securitized Debt, Ending balance, Level 3",
        "periodStartLabel": "Securitized Debt, Beginning balance, Level 3"
       }
      }
     },
     "localname": "FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": {
     "auth_ref": [],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueMeasurementsRecurringMember": {
     "auth_ref": [
      "r300",
      "r303"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.",
        "label": "Fair Value, Recurring [Member]",
        "terseLabel": "Fair Value, Measurements, Recurring"
       }
      }
     },
     "localname": "FairValueMeasurementsRecurringMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FairValueOptionChangesInFairValueGainLoss1": {
     "auth_ref": [
      "r309"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.",
        "label": "Fair Value, Option, Changes in Fair Value, Gain (Loss)",
        "terseLabel": "Gain (Loss) on Change in Fair Value"
       }
      }
     },
     "localname": "FairValueOptionChangesInFairValueGainLoss1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FairValueOptionQuantitativeDisclosuresLineItems": {
     "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, Option, Quantitative Disclosures [Line Items]",
        "terseLabel": "Fair Value, Option, Quantitative Disclosures [Line Items]"
       }
      }
     },
     "localname": "FairValueOptionQuantitativeDisclosuresLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueOptionQuantitativeDisclosuresTable": {
     "auth_ref": [
      "r310",
      "r311",
      "r312"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about asset and liability measured at fair value under fair value option.",
        "label": "Fair Value Option, Disclosures [Table]",
        "terseLabel": "Fair Value Option, Disclosures [Table]"
       }
      }
     },
     "localname": "FairValueOptionQuantitativeDisclosuresTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FairValueOptionQuantitativeDisclosuresTextBlock": {
     "auth_ref": [
      "r308",
      "r310",
      "r311",
      "r312"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of information about asset and liability measured at fair value under fair value option.",
        "label": "Fair Value Option, Disclosures [Table Text Block]",
        "terseLabel": "Schedule of unpaid principal, fair value and impact of change in fair value"
       }
      }
     },
     "localname": "FairValueOptionQuantitativeDisclosuresTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable": {
     "auth_ref": [
      "r267",
      "r270",
      "r287"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancialInstrumentAxis": {
     "auth_ref": [
      "r162",
      "r163",
      "r164",
      "r165",
      "r166",
      "r177",
      "r179",
      "r180",
      "r181"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of financial instrument.",
        "label": "Financial Instrument [Axis]",
        "terseLabel": "Financial Instrument [Axis]"
       }
      }
     },
     "localname": "FinancialInstrumentAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtTables",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivablePortfolioSegmentAxis": {
     "auth_ref": [
      "r162",
      "r163",
      "r167"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by the level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses.",
        "label": "Financing Receivable Portfolio Segment [Axis]",
        "terseLabel": "Financing Receivable Portfolio Segment [Axis]"
       }
      }
     },
     "localname": "FinancingReceivablePortfolioSegmentAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivablePortfolioSegmentDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses.",
        "label": "Financing Receivable Portfolio Segment [Domain]",
        "terseLabel": "Financing Receivable Portfolio Segment [Domain]"
       }
      }
     },
     "localname": "FinancingReceivablePortfolioSegmentDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis": {
     "auth_ref": [
      "r123",
      "r124",
      "r125",
      "r164",
      "r165",
      "r166",
      "r168",
      "r169",
      "r171",
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by class of financing receivable determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk.",
        "label": "Class of Financing Receivable [Axis]",
        "terseLabel": "Class of Financing Receivable [Axis]"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financing receivables determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk.",
        "label": "Class of Financing Receivable [Domain]",
        "terseLabel": "Class of Financing Receivable [Domain]"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentTables",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivableRecordedInvestmentPastDue": {
     "auth_ref": [
      "r125",
      "r164",
      "r172"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of financing receivable past due.",
        "label": "Financing Receivable, Past Due",
        "terseLabel": "Outstanding balance past due"
       }
      }
     },
     "localname": "FinancingReceivableRecordedInvestmentPastDue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_FinancingReceivables30To59DaysPastDueMember": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial asset more than 29 days past due but fewer than 60 days past due.",
        "label": "Financial Asset, 30 to 59 Days Past Due [Member]",
        "terseLabel": "30 Days Delinquent"
       }
      }
     },
     "localname": "FinancingReceivables30To59DaysPastDueMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivables60To89DaysPastDueMember": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial asset more than 59 days past due but fewer than 90 days past due.",
        "label": "Financial Asset, 60 to 89 Days Past Due [Member]",
        "terseLabel": "60 Days Delinquent"
       }
      }
     },
     "localname": "FinancingReceivables60To89DaysPastDueMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember": {
     "auth_ref": [
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Financial asset equal to or greater than 90 days past due.",
        "label": "Financial Asset, Equal to or Greater than 90 Days Past Due [Member]",
        "terseLabel": "90 Days Delinquent"
       }
      }
     },
     "localname": "FinancingReceivablesEqualToGreaterThan90DaysPastDueMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FinancingReceivablesPeriodPastDueAxis": {
     "auth_ref": [
      "r164",
      "r172"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by time period financial asset is past due.",
        "label": "Financial Asset, Period Past Due [Axis]",
        "terseLabel": "Financial Asset, Period Past Due [Axis]"
       }
      }
     },
     "localname": "FinancingReceivablesPeriodPastDueAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_FinancingReceivablesPeriodPastDueDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period in which financial asset is past due. Element name and standard label in Financial Asset, [numeric lower end] to [numeric higher end] [date measure] Past Due [Member] or Financial Asset, Greater Than [low end numeric value] [date measure] Past Due [Member] or Financial Asset, Less Than [high end numeric value] [date measure] Past Due [Member] formats.",
        "label": "Financial Asset, Period Past Due [Domain]",
        "terseLabel": "Financial Asset, Period Past Due [Domain]"
       }
      }
     },
     "localname": "FinancingReceivablesPeriodPastDueDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_FutureMember": {
     "auth_ref": [
      "r274"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Futures contracts are forward-based contracts to make or take delivery of a specified financial instrument, foreign currency, or commodity at a specified future date or during a specified period at as specified price or yield. Futures are standardized contracts traded on an organized exchange.",
        "label": "Future [Member]",
        "terseLabel": "Treasury Futures"
       }
      }
     },
     "localname": "FutureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_GainLossOnDerivativeInstrumentsNetPretax": {
     "auth_ref": [
      "r268"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "cim_OtherGainsLosses",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.",
        "label": "Gain (Loss) on Derivative Instruments, Net, Pretax",
        "totalLabel": "Net gains (losses) on derivatives"
       }
      }
     },
     "localname": "GainLossOnDerivativeInstrumentsNetPretax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSaleOfDerivatives": {
     "auth_ref": [
      "r80",
      "r353"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_GainLossOnDerivativeInstrumentsNetPretax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.",
        "label": "Gain (Loss) on Sale of Derivatives",
        "terseLabel": "Net realized gains (losses) on derivatives"
       }
      }
     },
     "localname": "GainLossOnSaleOfDerivatives",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSaleOfInvestments": {
     "auth_ref": [
      "r80"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.",
        "label": "Gain (Loss) on Sale of Investments",
        "terseLabel": "Gain (loss) on sale of investments"
       }
      }
     },
     "localname": "GainLossOnSaleOfInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainLossOnSalesOfMortgageBackedSecuritiesMBS": {
     "auth_ref": [
      "r353"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "cim_OtherGainsLosses",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Net gain (loss) resulting from the sales of securitized, pay-through debt securities collateralized by real estate mortgage loans (mortgages).",
        "label": "Gain (Loss) on Sales of Mortgage Backed Securities (MBS)",
        "negatedLabel": "Net realized losses (gains) on sales of investments",
        "terseLabel": "Net realized gains (losses) on sales of investments",
        "totalLabel": "Net realized gain (loss)"
       }
      }
     },
     "localname": "GainLossOnSalesOfMortgageBackedSecuritiesMBS",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainOnSaleOfInvestments": {
     "auth_ref": [
      "r62",
      "r63",
      "r80",
      "r348",
      "r374"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_GainLossOnSalesOfMortgageBackedSecuritiesMBS",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The difference between the carrying value and the sale price of an investment.  A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment.  This element refers to the Gain included in earnings and not to the cash proceeds of the sale.",
        "label": "Gain on Sale of Investments",
        "verboseLabel": "Gross realized gains"
       }
      }
     },
     "localname": "GainOnSaleOfInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GainsLossesOnExtinguishmentOfDebt": {
     "auth_ref": [
      "r80",
      "r197",
      "r198"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 10.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 4.0,
       "parentTag": "cim_OtherGainsLosses",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.",
        "label": "Gain (Loss) on Extinguishment of Debt",
        "negatedLabel": "(Gain) loss on extinguishment of debt",
        "terseLabel": "Gains (losses) on extinguishment of debt"
       }
      }
     },
     "localname": "GainsLossesOnExtinguishmentOfDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_GeneralAndAdministrativeExpense": {
     "auth_ref": [
      "r64"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "cim_OtherExpensesNotReflectedInNetInvestmentIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.",
        "label": "General and Administrative Expense",
        "terseLabel": "General and administrative expenses"
       }
      }
     },
     "localname": "GeneralAndAdministrativeExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": {
     "auth_ref": [
      "r58",
      "r95",
      "r337",
      "r349",
      "r375"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.",
        "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest",
        "terseLabel": "Income before income taxes",
        "totalLabel": "Income (loss) before income taxes"
       }
      }
     },
     "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeStatementAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Statement [Abstract]"
       }
      }
     },
     "localname": "IncomeStatementAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Income Tax Disclosure [Abstract]"
       }
      }
     },
     "localname": "IncomeTaxDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncomeTaxDisclosureTextBlock": {
     "auth_ref": [
      "r245"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.",
        "label": "Income Tax Disclosure [Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "localname": "IncomeTaxDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/IncomeTaxes"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued": {
     "auth_ref": [
      "r239"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.",
        "label": "Income Tax Examination, Penalties and Interest Accrued",
        "terseLabel": "Penalties and interest accrued"
       }
      }
     },
     "localname": "IncomeTaxExaminationPenaltiesAndInterestAccrued",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxExpenseBenefit": {
     "auth_ref": [
      "r87",
      "r116",
      "r243"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_NetIncomeLoss",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.",
        "label": "Income Tax Expense (Benefit)",
        "negatedTerseLabel": "Income taxes",
        "terseLabel": "Income taxes",
        "verboseLabel": "Income tax expense"
       }
      }
     },
     "localname": "IncomeTaxExpenseBenefit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/IncomeTaxesDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncomeTaxPolicyTextBlock": {
     "auth_ref": [
      "r55",
      "r85",
      "r237",
      "r238",
      "r240",
      "r241",
      "r242",
      "r244",
      "r397"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.",
        "label": "Income Tax, Policy [Policy Text Block]",
        "terseLabel": "Income Taxes"
       }
      }
     },
     "localname": "IncomeTaxPolicyTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 12.0,
       "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 from borrowers for interest payments.",
        "label": "Increase (Decrease) in Accrued Interest Receivable, Net",
        "negatedLabel": "Decrease (increase) in accrued interest receivable, net"
       }
      }
     },
     "localname": "IncreaseDecreaseInAccruedInterestReceivableNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInInterestPayableNet": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 15.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity.",
        "label": "Increase (Decrease) in Interest Payable, Net",
        "terseLabel": "Increase (decrease) in accrued interest payable, net"
       }
      }
     },
     "localname": "IncreaseDecreaseInInterestPayableNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInMarginDepositsOutstanding": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position.",
        "label": "Increase (Decrease) in Margin Deposits Outstanding",
        "negatedLabel": "Margin (paid) received on derivatives"
       }
      }
     },
     "localname": "IncreaseDecreaseInMarginDepositsOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingAssetsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Increase (Decrease) in Operating Assets [Abstract]",
        "terseLabel": "Changes in operating assets:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingAssetsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Increase (Decrease) in Operating Liabilities [Abstract]",
        "terseLabel": "Changes in operating liabilities:"
       }
      }
     },
     "localname": "IncreaseDecreaseInOperatingLiabilitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherOperatingAssets": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 13.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in operating assets classified as other.",
        "label": "Increase (Decrease) in Other Operating Assets",
        "negatedLabel": "Decrease (increase) in other assets"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherOperatingAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInOtherOperatingLiabilities": {
     "auth_ref": [
      "r79"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 14.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of increase (decrease) in operating liabilities classified as other.",
        "label": "Increase (Decrease) in Other Operating Liabilities",
        "terseLabel": "Increase (decrease) in accounts payable and other liabilities"
       }
      }
     },
     "localname": "IncreaseDecreaseInOtherOperatingLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]",
        "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]"
       }
      }
     },
     "localname": "IncreaseDecreaseInStockholdersEquityRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements": {
     "auth_ref": [
      "r100",
      "r105"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.",
        "label": "Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements",
        "terseLabel": "Effect of dilutive securities (shares)"
       }
      }
     },
     "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentArrangements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_InformationByCategoryOfDebtSecurityAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by category of debt security, either available-for-sale or held-to-maturity.",
        "label": "Debt Security Category [Axis]",
        "terseLabel": "Debt Security Category [Axis]"
       }
      }
     },
     "localname": "InformationByCategoryOfDebtSecurityAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InterestExpense": {
     "auth_ref": [
      "r57",
      "r115",
      "r314",
      "r317",
      "r355"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "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",
        "terseLabel": "Interest expense"
       }
      }
     },
     "localname": "InterestExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeExpenseNet": {
     "auth_ref": [
      "r352"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The net amount of operating interest income (expense).",
        "label": "Interest Income (Expense), Net",
        "totalLabel": "Net interest income"
       }
      }
     },
     "localname": "InterestIncomeExpenseNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestIncomeExpenseNetAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Interest Income (Expense), Net [Abstract]",
        "terseLabel": "Net interest income:"
       }
      }
     },
     "localname": "InterestIncomeExpenseNetAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InterestIncomeSecuritiesMortgageBacked": {
     "auth_ref": [
      "r354"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of operating interest income, including amortization and accretion of premiums and discounts, on securitized, pass-through debt securities collateralized by real estate mortgage loans.",
        "label": "Interest Income, Securities, Mortgage Backed",
        "terseLabel": "Interest income, Assets of consolidated VIEs",
        "verboseLabel": "Interest income, assets of consolidated VIEs"
       }
      }
     },
     "localname": "InterestIncomeSecuritiesMortgageBacked",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestOnlyStripMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tranche of a securitization that entitles the holder to receive some or all of the interest collected on the underlying mortgages comprising the securitization; a significant risk is prepayment speed greater than the assumption upon which purchase price was based.",
        "label": "Interest-Only-Strip [Member]",
        "terseLabel": "Interest-only"
       }
      }
     },
     "localname": "InterestOnlyStripMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InterestPaidNet": {
     "auth_ref": [
      "r75",
      "r77",
      "r83"
     ],
     "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": "Interest paid"
       }
      }
     },
     "localname": "InterestPaidNet",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestPayableCurrentAndNoncurrent": {
     "auth_ref": [
      "r345",
      "r371"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 5.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of interest payable on debt, including, but not limited to, trade payables.",
        "label": "Interest Payable",
        "terseLabel": "Accrued interest payable"
       }
      }
     },
     "localname": "InterestPayableCurrentAndNoncurrent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InterestRateSwapMember": {
     "auth_ref": [
      "r275"
     ],
     "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 Swaps"
       }
      }
     },
     "localname": "InterestRateSwapMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InterestReceivable": {
     "auth_ref": [
      "r24"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 5.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.",
        "label": "Interest Receivable",
        "terseLabel": "Accrued interest receivable"
       }
      }
     },
     "localname": "InterestReceivable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InternalCreditAssessmentAxis": {
     "auth_ref": [
      "r122",
      "r166",
      "r170",
      "r171",
      "r194",
      "r280"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by entity-defined rating.",
        "label": "Internal Credit Assessment [Axis]",
        "terseLabel": "Internal Credit Assessment [Axis]"
       }
      }
     },
     "localname": "InternalCreditAssessmentAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InternalCreditAssessmentDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Entity defined credit risk rating.",
        "label": "Internal Credit Assessment [Domain]",
        "terseLabel": "Internal Credit Assessment [Domain]"
       }
      }
     },
     "localname": "InternalCreditAssessmentDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InvestmentCompanyCommittedCapital": {
     "auth_ref": [
      "r381"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of funds committed to investment company from investors.",
        "label": "Investment Company, Committed Capital",
        "terseLabel": "Capital commitment"
       }
      }
     },
     "localname": "InvestmentCompanyCommittedCapital",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentHoldingsLineItems": {
     "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": "Investment Holdings [Line Items]",
        "terseLabel": "Investment Holdings [Line Items]"
       }
      }
     },
     "localname": "InvestmentHoldingsLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentHoldingsTable": {
     "auth_ref": [
      "r384",
      "r387",
      "r390",
      "r391"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The investment holdings table is used for any listing of investments. The \"Investment [Axis]\" identifies the investment for which the line items apply. The other axes are used for categorizing the investments and creating useful subtotals. These axes cover different categorizations. The appropriate axes are expected to be used. Additional axes can be added for alternative categorizations.",
        "label": "Investment Holdings [Table]",
        "terseLabel": "Investment Holdings [Table]"
       }
      }
     },
     "localname": "InvestmentHoldingsTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentIncomeInterest": {
     "auth_ref": [
      "r65",
      "r114"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_InterestIncomeExpenseNet",
       "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentOwnedBalancePrincipalAmount": {
     "auth_ref": [
      "r382",
      "r385",
      "r388",
      "r392"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For investments which are quantified by principal amount, the principle balance held at close of period.",
        "label": "Investment Owned, Balance, Principal Amount",
        "netLabel": "Unpaid Principal/ Notional",
        "terseLabel": "Principal or Notional Value",
        "verboseLabel": "Principal or Notional Value at Period-End (dollars in thousands)"
       }
      }
     },
     "localname": "InvestmentOwnedBalancePrincipalAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_InvestmentTypeAxis": {
     "auth_ref": [
      "r383",
      "r386",
      "r389",
      "r393"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of investments.",
        "label": "Investment Type [Axis]",
        "terseLabel": "Investment Type [Axis]"
       }
      }
     },
     "localname": "InvestmentTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsTables",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentTypeCategorizationMember": {
     "auth_ref": [
      "r383",
      "r386",
      "r389",
      "r393"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Asset obtained to generate income or appreciate in value.",
        "label": "Investments [Domain]",
        "terseLabel": "Investments [Domain]"
       }
      }
     },
     "localname": "InvestmentTypeCategorizationMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsTables",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentYearOriginatedDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGeographicalAndOtherStatisticsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesInvestmentHoldingsNarrativeDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesHavingDeterioratedCreditWhenAcquiredDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesYearOriginatedDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Investments, Debt and Equity Securities [Abstract]"
       }
      }
     },
     "localname": "InvestmentsDebtAndEquitySecuritiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_InvestmentsFairValueDisclosure": {
     "auth_ref": [
      "r290"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.",
        "label": "Investments, Fair Value Disclosure",
        "terseLabel": "Fair Value"
       }
      }
     },
     "localname": "InvestmentsFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims": {
     "auth_ref": [
      "r80"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 11.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.",
        "label": "Issuance of Stock and Warrants for Services or Claims",
        "terseLabel": "Equity-based compensation expense"
       }
      }
     },
     "localname": "IssuanceOfStockAndWarrantsForServicesOrClaims",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LaborAndRelatedExpense": {
     "auth_ref": [
      "r61"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "cim_OtherExpensesNotReflectedInNetInvestmentIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.",
        "label": "Labor and Related Expense",
        "terseLabel": "Compensation and benefits"
       }
      }
     },
     "localname": "LaborAndRelatedExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_Liabilities": {
     "auth_ref": [
      "r19"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 1.0,
       "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.",
        "label": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      }
     },
     "localname": "Liabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities [Abstract]",
        "terseLabel": "Liabilities:",
        "verboseLabel": "Liabilities:"
       }
      }
     },
     "localname": "LiabilitiesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LiabilitiesAndStockholdersEquity": {
     "auth_ref": [
      "r14",
      "r343",
      "r369"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.",
        "label": "Liabilities and Equity",
        "totalLabel": "Total liabilities and stockholders' equity"
       }
      }
     },
     "localname": "LiabilitiesAndStockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_LiabilitiesFairValueDisclosureAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Liabilities, Fair Value Disclosure [Abstract]",
        "terseLabel": "Liabilities:"
       }
      }
     },
     "localname": "LiabilitiesFairValueDisclosureAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsLevelOfFairValueDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LondonInterbankOfferedRateLIBORMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.",
        "label": "London Interbank Offered Rate (LIBOR) [Member]",
        "terseLabel": "LIBOR"
       }
      }
     },
     "localname": "LondonInterbankOfferedRateLIBORMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongtermDebtTypeAxis": {
     "auth_ref": [
      "r20"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of long-term debt.",
        "label": "Long-term Debt, Type [Axis]",
        "terseLabel": "Long-term Debt, Type [Axis]"
       }
      }
     },
     "localname": "LongtermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LongtermDebtTypeDomain": {
     "auth_ref": [
      "r20",
      "r196"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.",
        "label": "Long-term Debt, Type [Domain]",
        "terseLabel": "Long-term Debt, Type [Domain]"
       }
      }
     },
     "localname": "LongtermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/SecuritizedDebtCallableDebtDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_LongtermDebtWeightedAverageInterestRate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average interest rate of long-term debt outstanding calculated at point in time.",
        "label": "Long-term Debt, Weighted Average Interest Rate, at Point in Time",
        "terseLabel": "Weighted average cost of financing"
       }
      }
     },
     "localname": "LongtermDebtWeightedAverageInterestRate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_LossContingenciesLineItems": {
     "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": "Loss Contingencies [Line Items]",
        "terseLabel": "Loss Contingencies [Line Items]"
       }
      }
     },
     "localname": "LossContingenciesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossContingenciesTable": {
     "auth_ref": [
      "r183",
      "r184",
      "r185",
      "r186",
      "r187",
      "r188",
      "r189",
      "r191",
      "r192"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations.",
        "label": "Loss Contingencies [Table]",
        "terseLabel": "Loss Contingencies [Table]"
       }
      }
     },
     "localname": "LossContingenciesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_LossOnSaleOfInvestments": {
     "auth_ref": [
      "r62",
      "r63",
      "r80",
      "r348",
      "r374"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_GainLossOnSalesOfMortgageBackedSecuritiesMBS",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The difference between the carrying value and the sale price of an investment.  A loss would be recognized when the sale price of the investment is less than the carrying value of the investment. This element refers to the Loss included in earnings and not to the cash proceeds of the sale.",
        "label": "Loss on Sale of Investments",
        "negatedLabel": "Gross realized losses"
       }
      }
     },
     "localname": "LossOnSaleOfInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MaturityOvernightMember": {
     "auth_ref": [
      "r92"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maturity period of the day after the reporting date for repurchase agreements and similar transactions, for example, but not limited to, securities lending arrangements.",
        "label": "Maturity Overnight [Member]",
        "terseLabel": "Overnight"
       }
      }
     },
     "localname": "MaturityOvernightMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MaturityUpTo30DaysMember": {
     "auth_ref": [
      "r92"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Maturity period of up to 30 days from the reporting date for repurchase agreements and similar transactions, for example, but not limited to, securities lending arrangements.",
        "label": "Maturity Less than 30 Days [Member]",
        "terseLabel": "1 to 29 days"
       }
      }
     },
     "localname": "MaturityUpTo30DaysMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputDefaultRateMember": {
     "auth_ref": [
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using likelihood loan will not be repaid as proportion of outstanding loan.",
        "label": "Measurement Input, Default Rate [Member]",
        "terseLabel": "CDR"
       }
      }
     },
     "localname": "MeasurementInputDefaultRateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputDiscountRateMember": {
     "auth_ref": [
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using interest rate to determine present value of future cash flows.",
        "label": "Measurement Input, Discount Rate [Member]",
        "terseLabel": "Discount Rate"
       }
      }
     },
     "localname": "MeasurementInputDiscountRateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputLossSeverityMember": {
     "auth_ref": [
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using loss, including, but not limited to, interest and write-down of principal, incurred on defaulted security as proportion of principal balance.",
        "label": "Measurement Input, Loss Severity [Member]",
        "terseLabel": "Loss Severity"
       }
      }
     },
     "localname": "MeasurementInputLossSeverityMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputPrepaymentRateMember": {
     "auth_ref": [
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input using principal prepayment at other than constant rate as proportion of outstanding loan principal.",
        "label": "Measurement Input, Prepayment Rate [Member]",
        "terseLabel": "CPR"
       }
      }
     },
     "localname": "MeasurementInputPrepaymentRateMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MeasurementInputTypeAxis": {
     "auth_ref": [
      "r293"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of measurement input used to determine value of asset and liability.",
        "label": "Measurement Input Type [Axis]",
        "terseLabel": "Measurement Input Type [Axis]"
       }
      }
     },
     "localname": "MeasurementInputTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_MeasurementInputTypeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measurement input used to determine value of asset and liability.",
        "label": "Measurement Input Type [Domain]",
        "terseLabel": "Measurement Input Type [Domain]"
       }
      }
     },
     "localname": "MeasurementInputTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsNonAgencyRmbsHeldForInvestmentDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember": {
     "auth_ref": [
      "r221"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Debt securities collateralized by real estate mortgage loans (mortgages), issued by US Government Sponsored Enterprises, such as Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac).",
        "label": "Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]",
        "terseLabel": "Agency MBS"
       }
      }
     },
     "localname": "MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MortgageBackedSecuritiesMember": {
     "auth_ref": [
      "r133",
      "r221",
      "r222",
      "r224",
      "r379"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities collateralized by mortgage loans.",
        "label": "Collateralized Mortgage Backed Securities [Member]",
        "terseLabel": "Mortgage Backed Securities"
       }
      }
     },
     "localname": "MortgageBackedSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsNarrativeDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_MortgageLoansOnRealEstate": {
     "auth_ref": [
      "r394"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.",
        "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate",
        "periodEndLabel": "Balance, end of period",
        "periodStartLabel": "Balance, beginning of period"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MortgageLoansOnRealEstateAmortizationOfPremium": {
     "auth_ref": [
      "r396"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from amortization of premium.",
        "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium",
        "negatedLabel": "Net periodic accretion (amortization)"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateAmortizationOfPremium",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MortgageLoansOnRealEstateOtherAdditions": {
     "auth_ref": [
      "r396"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of addition to investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, classified as other.",
        "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Other Addition",
        "terseLabel": "Purchases"
       }
      }
     },
     "localname": "MortgageLoansOnRealEstateOtherAdditions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_MovementInMortgageLoansOnRealEstateRollForward": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.",
        "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]",
        "terseLabel": "SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]"
       }
      }
     },
     "localname": "MovementInMortgageLoansOnRealEstateRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivities": {
     "auth_ref": [
      "r76"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.",
        "label": "Net Cash Provided by (Used in) Financing Activities",
        "totalLabel": "Net cash provided by (used in) financing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash Flows From Financing Activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivities": {
     "auth_ref": [
      "r76"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.",
        "label": "Net Cash Provided by (Used in) Investing Activities",
        "totalLabel": "Net cash provided by (used in) investing activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash Flows From Investing Activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivities": {
     "auth_ref": [
      "r76",
      "r78",
      "r81"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect",
       "weight": 1.0
      }
     },
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.",
        "label": "Net Cash Provided by (Used in) Operating Activities",
        "totalLabel": "Net cash provided by (used in) operating activities"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]",
        "terseLabel": "Cash Flows From Operating Activities:"
       }
      }
     },
     "localname": "NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_NetIncomeLoss": {
     "auth_ref": [
      "r49",
      "r52",
      "r59",
      "r81",
      "r105",
      "r350",
      "r372"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic",
       "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 income",
        "totalLabel": "Net income (loss)",
        "verboseLabel": "Net income (loss)"
       }
      }
     },
     "localname": "NetIncomeLoss",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAttributableToParentDiluted": {
     "auth_ref": [
      "r98"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.",
        "label": "Net Income (Loss) Attributable to Parent, Diluted",
        "totalLabel": "Dilutive net income available to common shareholders"
       }
      }
     },
     "localname": "NetIncomeLossAttributableToParentDiluted",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": {
     "auth_ref": [
      "r95",
      "r97"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_NetIncomeLossAttributableToParentDiluted",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "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 income (loss) available to common shareholders",
        "verboseLabel": "Net income available to common shareholders"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasic",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Net Income (Loss) Available to Common Stockholders, Basic [Abstract]",
        "terseLabel": "Numerator:"
       }
      }
     },
     "localname": "NetIncomeLossAvailableToCommonStockholdersBasicAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent": {
     "auth_ref": [
      "r45",
      "r56"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.",
        "label": "OCI, before Reclassifications, Net of Tax, Attributable to Parent",
        "terseLabel": "OCI before reclassifications"
       }
      }
     },
     "localname": "OciBeforeReclassificationsNetOfTaxAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OffsettingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Offsetting [Abstract]"
       }
      }
     },
     "localname": "OffsettingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OffsettingLiabilitiesTableTextBlock": {
     "auth_ref": [
      "r31",
      "r32"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of derivative and other financial liabilities that are subject to offsetting, including master netting arrangements.",
        "label": "Offsetting Liabilities [Table Text Block]",
        "terseLabel": "Schedule of assets and liabilities subject to netting arrangements"
       }
      }
     },
     "localname": "OffsettingLiabilitiesTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": {
     "auth_ref": [
      "r0",
      "r262"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.",
        "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]",
        "terseLabel": "Organization"
       }
      }
     },
     "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/Organization"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherAssets": {
     "auth_ref": [
      "r2",
      "r338",
      "r365"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 6.0,
       "parentTag": "us-gaap_Assets",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of assets classified as other.",
        "label": "Other Assets",
        "terseLabel": "Other assets",
        "verboseLabel": "Other Assets"
       }
      }
     },
     "localname": "OtherAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTax": {
     "auth_ref": [
      "r50",
      "r53",
      "r56",
      "r204"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss).",
        "label": "Other Comprehensive Income (Loss), Net of Tax",
        "terseLabel": "Net change in unrealized gain (loss) on available-for sale securities",
        "totalLabel": "Other comprehensive income (loss)",
        "verboseLabel": "Other comprehensive income (loss)"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]",
        "terseLabel": "Other comprehensive income:"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent": {
     "auth_ref": [
      "r50",
      "r53",
      "r246",
      "r247",
      "r248"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of other comprehensive income (loss) attributable to parent entity.",
        "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent",
        "totalLabel": "Net current period OCI"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax": {
     "auth_ref": [
      "r43",
      "r46",
      "r47",
      "r160"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 3.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.",
        "label": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax",
        "negatedLabel": "Reclassification adjustment for net realized losses (gains) included in net income"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax": {
     "auth_ref": [
      "r43",
      "r46",
      "r47"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized loss realized upon the write-down of available-for-sale securities.",
        "label": "Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax",
        "terseLabel": "Reclassification adjustment for net losses included in net income for other-than-temporary credit impairment losses"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax": {
     "auth_ref": [
      "r38",
      "r43"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.",
        "label": "Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax",
        "verboseLabel": "Unrealized gains (losses) on available-for-sale securities, net"
       }
      }
     },
     "localname": "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherExpensesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other Expenses [Abstract]",
        "terseLabel": "Other expenses:"
       }
      }
     },
     "localname": "OtherExpensesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherLiabilities": {
     "auth_ref": [
      "r346"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 7.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of liabilities classified as other.",
        "label": "Other Liabilities",
        "terseLabel": "Accounts payable and other liabilities",
        "verboseLabel": "Other liabilities"
       }
      }
     },
     "localname": "OtherLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses": {
     "auth_ref": [
      "r155"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses",
        "terseLabel": "Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment": {
     "auth_ref": [
      "r153"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment",
        "terseLabel": "Other-than-temporary impairments not previously recognized"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain": {
     "auth_ref": [
      "r150"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Provides the categories of debt securities, available-for-sale or held-to-maturity, on which an entity may recognize other than temporary impairments (OTTI) for which a portion related to credit losses has been recognized in earnings and a portion related to all other factors has been recognized in other comprehensive income.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]",
        "terseLabel": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAccretableYieldDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld": {
     "auth_ref": [
      "r152",
      "r157"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held",
        "periodEndLabel": "Cumulative credit impairment loss ending balance",
        "periodStartLabel": "Cumulative credit loss beginning balance"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows": {
     "auth_ref": [
      "r156"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held due to increases in cash flows expected to be collected and recognized over the remaining life of the security.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Cash Flows",
        "negatedTerseLabel": "Reductions for increases in cash flows expected to be collected over the remaining life of the securities"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold": {
     "auth_ref": [
      "r154"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold",
        "negatedTerseLabel": "Reductions for securities sold or deconsolidated during the period"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsRollForward": {
     "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": "Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]",
        "terseLabel": "Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsRollForward",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTableTextBlock": {
     "auth_ref": [
      "r150"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.",
        "label": "Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]",
        "terseLabel": "Other than temporary impairment, credit losses recognized in earnings"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 4.0,
       "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI).",
        "label": "Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale",
        "negatedTotalLabel": "Net other-than-temporary credit impairment losses"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAggregateOtherThanTemporaryImpairmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings": {
     "auth_ref": [
      "r132"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings.",
        "label": "Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Recognized in Earnings",
        "negatedNetLabel": "Total other-than-temporary impairment losses"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAggregateOtherThanTemporaryImpairmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Other than Temporary Impairment Losses, Investments [Abstract]",
        "terseLabel": "Other-than-temporary impairments:"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresDelinquencyRate": {
     "auth_ref": [
      "r151"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "This item represents the delinquency rates of the underlying assets in the security that was considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are other than temporarily impaired and measure the amount of impairment related to credit loss recognized in earnings.",
        "label": "Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Delinquency Rate",
        "terseLabel": "60 days delinquent"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresDelinquencyRate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesOttiSignificantInputsAndAssumptionsDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities": {
     "auth_ref": [
      "r40",
      "r132"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in other comprehensive income (OCI).",
        "label": "Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest",
        "negatedLabel": "Portion of loss recognized in other comprehensive income",
        "negatedNetLabel": "Portion of loss recognized in other comprehensive income (loss)",
        "negatedTerseLabel": "Portion of loss recognized in other comprehensive income (loss)"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesAggregateOtherThanTemporaryImpairmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent": {
     "auth_ref": [
      "r40",
      "r43",
      "r45",
      "r247",
      "r248"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount before tax of other than temporary impairment loss (OTTI) on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss and attributable to parent entity.",
        "label": "Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Portion Attributable to Parent",
        "negatedLabel": "Net other-than-temporary credit impairment losses",
        "terseLabel": "Net other-than-temporary credit impairment losses"
       }
      }
     },
     "localname": "OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsForRepurchaseOfCommonStock": {
     "auth_ref": [
      "r73"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 4.0,
       "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": "Payments on repurchase of common stock",
        "terseLabel": "Stock repurchased during period"
       }
      }
     },
     "localname": "PaymentsForRepurchaseOfCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDividendsCommonStock": {
     "auth_ref": [
      "r73"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 8.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.",
        "label": "Payments of Ordinary Dividends, Common Stock",
        "negatedLabel": "Common dividends paid"
       }
      }
     },
     "localname": "PaymentsOfDividendsCommonStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock": {
     "auth_ref": [
      "r73"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 9.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.",
        "label": "Payments of Ordinary Dividends, Preferred Stock and Preference Stock",
        "negatedTerseLabel": "Preferred dividends paid"
       }
      }
     },
     "localname": "PaymentsOfDividendsPreferredStockAndPreferenceStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireEquityMethodInvestments": {
     "auth_ref": [
      "r70"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.",
        "label": "Payments to Acquire Equity Method Investments",
        "terseLabel": "Payment to acquire investment"
       }
      }
     },
     "localname": "PaymentsToAcquireEquityMethodInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale": {
     "auth_ref": [
      "r67",
      "r69"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 1.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow for purchase of mortgage-backed security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Payments to Acquire Mortgage-backed Securities (MBS), Available-for-sale",
        "negatedLabel": "Purchases"
       }
      }
     },
     "localname": "PaymentsToAcquireMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PaymentsToAcquireOtherInvestments": {
     "auth_ref": [
      "r71"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 2.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash outflow to acquire investments classified as other.",
        "label": "Payments to Acquire Other Investments",
        "negatedLabel": "Purchases"
       }
      }
     },
     "localname": "PaymentsToAcquireOtherInvestments",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_PlanNameAxis": {
     "auth_ref": [
      "r229",
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by plan name for share-based payment arrangement.",
        "label": "Plan Name [Axis]",
        "terseLabel": "Plan Name [Axis]"
       }
      }
     },
     "localname": "PlanNameAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_PlanNameDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Plan name for share-based payment arrangement.",
        "label": "Plan Name [Domain]",
        "terseLabel": "Plan Name [Domain]"
       }
      }
     },
     "localname": "PlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PortionAtFairValueFairValueDisclosureMember": {
     "auth_ref": [
      "r304"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Measured at fair value for financial reporting purposes.",
        "label": "Portion at Fair Value Measurement [Member]",
        "terseLabel": "Portion at Fair Value Measurement"
       }
      }
     },
     "localname": "PortionAtFairValueFairValueDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredClassAMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Outstanding nonredeemable preferred class A stock or outstanding convertible preferred class A 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": "Preferred Class A [Member]",
        "terseLabel": "Series A Preferred Stock",
        "verboseLabel": "Series A Preferred Stock Par Value"
       }
      }
     },
     "localname": "PreferredClassAMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredClassBMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Outstanding nonredeemable preferred class B stock or outstanding preferred class B 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": "Preferred Class B [Member]",
        "terseLabel": "Series B Preferred Stock",
        "verboseLabel": "Series B Preferred Stock Par Value"
       }
      }
     },
     "localname": "PreferredClassBMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockDividendRatePercentage": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The percentage rate used to calculate dividend payments on preferred stock.",
        "label": "Preferred Stock, Dividend Rate, Percentage",
        "verboseLabel": "Preferred stock, dividend rate (percent)"
       }
      }
     },
     "localname": "PreferredStockDividendRatePercentage",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_PreferredStockDividendsPerShareDeclared": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate dividends declared during the period for each share of preferred stock outstanding.",
        "label": "Preferred Stock, Dividends Per Share, Declared",
        "terseLabel": "Preferred stock dividends declared (in USD per share)"
       }
      }
     },
     "localname": "PreferredStockDividendsPerShareDeclared",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockLiquidationPreference": {
     "auth_ref": [
      "r8",
      "r86",
      "r88",
      "r205",
      "r206"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.",
        "label": "Preferred Stock, Liquidation Preference Per Share",
        "terseLabel": "Preferred stock, liquidation preference per share (in USD per share)"
       }
      }
     },
     "localname": "PreferredStockLiquidationPreference",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockLiquidationPreferenceValue": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value of the difference between preference in liquidation and the par or stated values of the preferred shares.",
        "label": "Preferred Stock, Liquidation Preference, Value",
        "terseLabel": "Preferred Stock, liquidation preference"
       }
      }
     },
     "localname": "PreferredStockLiquidationPreferenceValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_PreferredStockParOrStatedValuePerShare": {
     "auth_ref": [
      "r8"
     ],
     "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 (usd per share)"
       }
      }
     },
     "localname": "PreferredStockParOrStatedValuePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockRedemptionPricePerShare": {
     "auth_ref": [
      "r203",
      "r205",
      "r207"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.",
        "label": "Preferred Stock, Redemption Price Per Share",
        "terseLabel": "Preferred stock, redemption price per share (in USD per share)"
       }
      }
     },
     "localname": "PreferredStockRedemptionPricePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_PreferredStockSharesAuthorized": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.",
        "label": "Preferred Stock, Shares Authorized",
        "terseLabel": "Preferred Stock, shares authorized (shares)"
       }
      }
     },
     "localname": "PreferredStockSharesAuthorized",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesIssued": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.",
        "label": "Preferred Stock, Shares Issued",
        "terseLabel": "Preferred Stock, shares issued (shares)"
       }
      }
     },
     "localname": "PreferredStockSharesIssued",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockSharesOutstanding": {
     "auth_ref": [
      "r8"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.",
        "label": "Preferred Stock, Shares Outstanding",
        "terseLabel": "Preferred Stock, shares outstanding (shares)"
       }
      }
     },
     "localname": "PreferredStockSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_PreferredStockValue": {
     "auth_ref": [
      "r8"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "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 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, par value of $0.01 per share, 100,000,000 shares authorized:"
       }
      }
     },
     "localname": "PreferredStockValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock": {
     "auth_ref": [
      "r72"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.",
        "label": "Proceeds from Issuance of Preferred Stock and Preference Stock",
        "terseLabel": "Net proceeds from preferred stock offerings",
        "verboseLabel": "Issuance of preferred stock"
       }
      }
     },
     "localname": "ProceedsFromIssuanceOfPreferredStockAndPreferenceStock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt": {
     "auth_ref": [
      "r67",
      "r68",
      "r131"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Proceeds from Sale of Debt Securities, Available-for-sale",
        "terseLabel": "Proceeds from sales"
       }
      }
     },
     "localname": "ProceedsFromSaleOfAvailableForSaleSecuritiesDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale": {
     "auth_ref": [
      "r68"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 3.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of cash inflow from sale of investment in mortgage-backed security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).",
        "label": "Proceeds from Sale of Mortgage-backed Securities (MBS), Available-for-sale",
        "terseLabel": "Sales"
       }
      }
     },
     "localname": "ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ProceedsFromSecuritizationsOfLoansHeldForInvestment": {
     "auth_ref": [
      "r68"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash inflow from the securitization of loans held for investment. Securitization is the structured process whereby interests in loans and other receivables are packaged, underwritten, and sold in the form of asset-backed securities.",
        "label": "Proceeds from Securitizations of Loans Held-for-investment",
        "terseLabel": "Proceeds from securitized debt borrowings, collateralized by loans held for investment"
       }
      }
     },
     "localname": "ProceedsFromSecuritizationsOfLoansHeldForInvestment",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstateAcquiredThroughForeclosure": {
     "auth_ref": [
      "r120",
      "r121"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.",
        "label": "Real Estate Acquired Through Foreclosure",
        "terseLabel": "Real estate acquired through foreclosure"
       }
      }
     },
     "localname": "RealEstateAcquiredThroughForeclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RealEstatePropertiesAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by ownership of the property.",
        "label": "Real Estate Property Ownership [Axis]",
        "terseLabel": "Real Estate Property Ownership [Axis]"
       }
      }
     },
     "localname": "RealEstatePropertiesAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RealEstatePropertiesDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Represents categories of ownership of real estate properties.",
        "label": "Real Estate Properties [Domain]",
        "terseLabel": "Real Estate Properties [Domain]"
       }
      }
     },
     "localname": "RealEstatePropertiesDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems": {
     "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": "Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]",
        "terseLabel": "Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]"
       }
      }
     },
     "localname": "ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent": {
     "auth_ref": [
      "r45",
      "r56"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.",
        "label": "Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent",
        "negatedLabel": "Amounts reclassified from AOCI"
       }
      }
     },
     "localname": "ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by item reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Axis]",
        "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Axis]"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Item reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Domain]",
        "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Domain]"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies item reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Member]",
        "terseLabel": "Amounts Reclassified from Accumulated OCI"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about items reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Table]",
        "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Table]"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).",
        "label": "Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]",
        "terseLabel": "Schedule of reclassifications from AOCI"
       }
      }
     },
     "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_RepaymentsOfSecuredDebt": {
     "auth_ref": [
      "r74"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 6.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities",
       "weight": -1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.",
        "label": "Repayments of Secured Debt",
        "negatedLabel": "Payments on securitized debt borrowings, collateralized by loans held for investment"
       }
      }
     },
     "localname": "RepaymentsOfSecuredDebt",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock": {
     "auth_ref": [
      "r336"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for repurchase agreements (also known as repos), resale agreements (also known as reverse repurchase agreements or reverse repos), securities borrowed transactions, and securities loaned transactions.",
        "label": "Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]",
        "terseLabel": "Repurchase Agreements"
       }
      }
     },
     "localname": "RepurchaseAgreementsResaleAgreementsSecuritiesBorrowedAndSecuritiesLoanedDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreements"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ResidentialMortgageBackedSecuritiesMember": {
     "auth_ref": [
      "r133",
      "r221"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Securities collateralized by residential real estate mortgage loans.",
        "label": "Residential Mortgage Backed Securities [Member]",
        "terseLabel": "Non-agency RMBS",
        "verboseLabel": "Residential Mortgage-Backed Securities"
       }
      }
     },
     "localname": "ResidentialMortgageBackedSecuritiesMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ResidentialMortgageMember": {
     "auth_ref": [
      "r171"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Loan to purchase or refinance residential real estate for example, but not limited to, a home, in which the real estate itself serves as collateral for the loan.",
        "label": "Residential Mortgage [Member]",
        "terseLabel": "Residential Mortgage Loans"
       }
      }
     },
     "localname": "ResidentialMortgageMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ResidentialPortfolioSegmentMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Portfolio segment of the company's total financing receivables related to residential financing receivables.",
        "label": "Residential Portfolio Segment [Member]",
        "terseLabel": "Residential Portfolio Segment"
       }
      }
     },
     "localname": "ResidentialPortfolioSegmentMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentLoanProductsTypeAndCharacteristicsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedStockMember": {
     "auth_ref": [
      "r104"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.",
        "label": "Restricted Stock [Member]",
        "terseLabel": "Restricted Stock"
       }
      }
     },
     "localname": "RestrictedStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RestrictedStockUnitsRSUMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met.",
        "label": "Restricted Stock Units (RSUs) [Member]",
        "terseLabel": "Restricted Stock Units (RSUs)"
       }
      }
     },
     "localname": "RestrictedStockUnitsRSUMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RetainedEarningsAccumulatedDeficit": {
     "auth_ref": [
      "r11",
      "r212",
      "r368"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 6.0,
       "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": "Cumulative earnings"
       }
      }
     },
     "localname": "RetainedEarningsAccumulatedDeficit",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RetainedEarningsMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.",
        "label": "Retained Earnings [Member]",
        "terseLabel": "Cumulative Earnings"
       }
      }
     },
     "localname": "RetainedEarningsMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RetirementPlanNameAxis": {
     "auth_ref": [
      "r223"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by name of plan designed to provide retirement benefits. Includes, but is not limited to, legal name of defined benefit and defined contribution plans.",
        "label": "Retirement Plan Name [Axis]",
        "terseLabel": "Retirement Plan Name [Axis]"
       }
      }
     },
     "localname": "RetirementPlanNameAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RetirementPlanNameDomain": {
     "auth_ref": [
      "r223"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of plan designed to provide retirement benefits. Includes, but is not limited to, legal name of defined benefit and defined contribution plans.",
        "label": "Retirement Plan Name [Domain]",
        "terseLabel": "Retirement Plan Name [Domain]"
       }
      }
     },
     "localname": "RetirementPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligation": {
     "auth_ref": [
      "r214"
     ],
     "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": "Revenue"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligation",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesNarrativeDetails"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems": {
     "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": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1": {
     "auth_ref": [
      "r215"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period",
        "terseLabel": "Revenue, remaining performance obligation, expected timing of satisfaction, period"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis": {
     "auth_ref": [
      "r215"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Start date of time band for expected timing of satisfaction of remaining performance obligation, in CCYY-MM-DD format.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about expected timing for satisfying remaining performance obligation.",
        "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]",
        "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]"
       }
      }
     },
     "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CommitmentsAndContingenciesRevenuePeriodOfRecognitionDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "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": "Shares issued (shares)"
       }
      }
     },
     "localname": "SaleOfStockNumberOfSharesIssuedInTransaction",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_SaleOfStockPricePerShare": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.",
        "label": "Sale of Stock, Price Per Share",
        "terseLabel": "Preferred stock, offering price per share (in USD per share)"
       }
      }
     },
     "localname": "SaleOfStockPricePerShare",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "perShareItemType"
    },
    "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": {
     "auth_ref": [
      "r45"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss).",
        "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]",
        "terseLabel": "Schedule of components of AOCI"
       }
      }
     },
     "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable": {
     "auth_ref": [
      "r92"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule, as of the most recent balance sheet date, of securities or other assets sold under repurchase agreements when this amount exceeds 10 percent of total assets. Disclosure may include the following: the type of securities or assets sold under agreements to repurchase, the carrying amount, market value (including accrued interest plus any cash or other assets on deposit. The information is segregated into securities maturing (1) overnight; (2) term up to 30 days; (3) term of 30 to 90 days; (4) term over 90 days; (5) demand.",
        "label": "Schedule of Assets Sold under Agreements to Repurchase [Table]",
        "terseLabel": "Schedule of Assets Sold under Agreements to Repurchase [Table]"
       }
      }
     },
     "localname": "ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": {
     "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 Securities, Available-for-sale [Line Items]",
        "terseLabel": "Debt Securities, Available-for-sale [Line Items]"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.",
        "label": "Schedule of Available-for-sale Securities Reconciliation [Table Text Block]",
        "terseLabel": "Schedule of present amortized cost, fair value and unrealized gain/losses of Company's MBS investments"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfAvailableForSaleSecuritiesTable": {
     "auth_ref": [
      "r139",
      "r144",
      "r148",
      "r149",
      "r150",
      "r159",
      "r356",
      "r361"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.",
        "label": "Schedule of Available-for-sale Securities [Table]",
        "terseLabel": "Schedule of Available-for-sale Securities [Table]"
       }
      }
     },
     "localname": "ScheduleOfAvailableForSaleSecuritiesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfCreditDerivativesTable": {
     "auth_ref": [
      "r278",
      "r282",
      "r283"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule of credit derivatives, including information about each credit derivative, or each group of similar credit derivatives, including (a) the nature of the credit derivative - its term, how it arose, the events or circumstances that would require the seller to perform under the credit derivative, and the current status of the payment/performance risk of the credit derivative; (b) the maximum potential amount of future payments (undiscounted) the seller could be required to make under the credit derivative; (c) the current fair value of the credit derivative; and (d) the nature of any recourse provisions under the credit derivative, and any assets held either as collateral or by third parties.",
        "label": "Schedule of Credit Derivatives [Table]",
        "terseLabel": "Schedule of Credit Derivatives [Table]"
       }
      }
     },
     "localname": "ScheduleOfCreditDerivativesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCreditRatingsDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock": {
     "auth_ref": [
      "r268",
      "r272",
      "r277"
     ],
     "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": "Schedule of derivative instruments effects on operating results"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": {
     "auth_ref": [
      "r270"
     ],
     "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 location and fair value of the derivatives"
       }
      }
     },
     "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/DerivativeInstrumentsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": {
     "auth_ref": [
      "r105"
     ],
     "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": "Schedule of earnings per share"
       }
      }
     },
     "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": {
     "auth_ref": [
      "r290",
      "r291"
     ],
     "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 financial assets and liabilities carried at fair value on a recurring basis"
       }
      }
     },
     "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfGainLossOnSecuritizationsOfFinancialAssetsAccountedForAsSaleTextBlock": {
     "auth_ref": [
      "r322"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of amounts pertaining to the excess over or deficiency from the carrying amounts of financial assets which are recognized upon the sale of financial assets.",
        "label": "Schedule of Gain (Loss) on Securitizations or Asset-backed Financing Arrangements of Financial Assets Accounted for as Sale [Table Text Block]",
        "terseLabel": "Schedule of gains and losses from sales of investments"
       }
      }
     },
     "localname": "ScheduleOfGainLossOnSecuritizationsOfFinancialAssetsAccountedForAsSaleTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": {
     "auth_ref": [
      "r195"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.",
        "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfRepurchaseAgreements": {
     "auth_ref": [
      "r93"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for repurchase agreements.",
        "label": "Schedule of Repurchase Agreements [Table Text Block]",
        "terseLabel": "Schedule of repurchase agreements"
       }
      }
     },
     "localname": "ScheduleOfRepurchaseAgreements",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": {
     "auth_ref": [
      "r229",
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of information about share-based payment arrangement.",
        "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]",
        "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]"
       }
      }
     },
     "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfStockByClassTable": {
     "auth_ref": [
      "r22",
      "r89",
      "r200",
      "r201",
      "r202",
      "r205",
      "r206",
      "r208",
      "r209",
      "r210",
      "r211",
      "r212"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.",
        "label": "Schedule of Stock by Class [Table]",
        "terseLabel": "Schedule of Stock by Class [Table]"
       }
      }
     },
     "localname": "ScheduleOfStockByClassTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail",
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ScheduleOfTemporaryImpairmentLossesInvestmentsTableTextBlock": {
     "auth_ref": [
      "r148"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of investments in an unrealized loss position for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), including: (a) the aggregate related fair value of investments with unrealized losses, (b) the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).",
        "label": "Schedule of Temporary Impairment Losses, Investments [Table Text Block]",
        "terseLabel": "Schedule of temporary impairment losses, investments"
       }
      }
     },
     "localname": "ScheduleOfTemporaryImpairmentLossesInvestmentsTableTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesTables"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ScheduleOfVariableInterestEntitiesTable": {
     "auth_ref": [
      "r251",
      "r254",
      "r255",
      "r258",
      "r261"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Tabular disclosure of qualitative and quantitative information related to variable interests the entity holds, whether or not such variable interest entity (VIE) is included in the reporting entity's consolidated financial statements. Includes, but is not limited to, description of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a tabular comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.",
        "label": "Schedule of Variable Interest Entities [Table]",
        "terseLabel": "Schedule of Variable Interest Entities [Table]"
       }
      }
     },
     "localname": "ScheduleOfVariableInterestEntitiesTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail"
     ],
     "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": "Securitized debt",
        "verboseLabel": "Loans held for investment"
       }
      }
     },
     "localname": "SecuredDebtMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure": {
     "auth_ref": [
      "r305"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.",
        "label": "Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure",
        "terseLabel": "Repurchase agreements"
       }
      }
     },
     "localname": "SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/FairValueMeasurementsCarryingAndFairValuesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchase": {
     "auth_ref": [
      "r25",
      "r28",
      "r33",
      "r91",
      "r344"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 1.0,
       "parentTag": "us-gaap_Liabilities",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.",
        "label": "Securities Sold under Agreements to Repurchase",
        "negatedTotalLabel": "Net Amounts Offset in the Consolidated Statements of Financial Position",
        "netLabel": "Repurchase agreements outstanding secured by:",
        "terseLabel": "Repurchase agreements outstanding",
        "verboseLabel": "Repurchase agreements ($17.0 billion and $15.8 billion pledged as collateral, respectively)"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchase",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsMaturitiesDetail",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Securities Sold under Agreements to Repurchase [Abstract]",
        "terseLabel": "Repurchase Agreements"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral": {
     "auth_ref": [
      "r30",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      },
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetailCalc2": {
       "order": 1.0,
       "parentTag": "us-gaap_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, after effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price offset against a right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.",
        "label": "Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral",
        "negatedTotalLabel": "Net Amount"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseAsset": {
     "auth_ref": [
      "r27",
      "r36"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_SecuritiesSoldUnderAgreementsToRepurchase",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of asset associated with funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price.",
        "label": "Securities Sold under Agreements to Repurchase, Asset",
        "terseLabel": "Gross Amounts Offset in the Consolidated Statements of Financial Position"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseAsset",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash": {
     "auth_ref": [
      "r29",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 3.0,
       "parentTag": "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of right to receive cash collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.",
        "label": "Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Cash",
        "terseLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities": {
     "auth_ref": [
      "r29",
      "r34"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 2.0,
       "parentTag": "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral",
       "weight": -1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.",
        "label": "Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities",
        "terseLabel": "Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseGross": {
     "auth_ref": [
      "r26",
      "r35"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_SecuritiesSoldUnderAgreementsToRepurchase",
       "weight": 1.0
      }
     },
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.",
        "label": "Securities Sold under Agreements to Repurchase, Gross",
        "negatedLabel": "Gross Amounts of Recognized Assets (Liabilities)"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember": {
     "auth_ref": [
      "r305"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo. Most repos involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances, and negotiable certificates of deposit, are sometimes used in repos.",
        "label": "Securities Sold under Agreements to Repurchase [Member]",
        "terseLabel": "Repurchase Agreements"
       }
      }
     },
     "localname": "SecuritiesSoldUnderAgreementsToRepurchaseMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue": {
     "auth_ref": [
      "r327",
      "r328"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.",
        "label": "Security Owned and Pledged as Collateral, Fair Value",
        "terseLabel": "Securities pledged as collateral",
        "verboseLabel": "MBS pledged as collateral at fair value on Repurchase agreements:"
       }
      }
     },
     "localname": "SecurityOwnedAndPledgedAsCollateralFairValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "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 Par Value",
        "verboseLabel": "Series C Preferred Stock"
       }
      }
     },
     "localname": "SeriesCPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "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",
        "verboseLabel": "Series D Preferred Stock Par Value"
       }
      }
     },
     "localname": "SeriesDPreferredStockMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ServicingAssetAtAmortizedValue": {
     "auth_ref": [
      "r330",
      "r331",
      "r332",
      "r334"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.",
        "label": "Servicing Asset at Amortized Cost",
        "terseLabel": "Retained balance"
       }
      }
     },
     "localname": "ServicingAssetAtAmortizedValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ServicingAssetAtAmortizedValueAdditions": {
     "auth_ref": [
      "r335"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.",
        "label": "Servicing Asset at Amortized Cost, Additions",
        "terseLabel": "Purchases",
        "verboseLabel": "Principal balance of debt"
       }
      }
     },
     "localname": "ServicingAssetAtAmortizedValueAdditions",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/LoansHeldForInvestmentNarrativeDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": {
     "auth_ref": [
      "r230"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period",
        "terseLabel": "Vesting period"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "durationItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": {
     "auth_ref": [
      "r232"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "terseLabel": "Granted shares (shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]",
        "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": {
     "auth_ref": [
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant",
        "terseLabel": "Shares available for future grants (shares)"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "auth_ref": [
      "r227",
      "r231"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Award under share-based payment arrangement.",
        "label": "Award Type [Domain]",
        "terseLabel": "Award Type [Domain]"
       }
      }
     },
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationAwardTrancheOneMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "First portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
        "label": "Share-based Payment Arrangement, Tranche One [Member]",
        "terseLabel": "One year from grant date"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheOneMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationAwardTrancheThreeMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Third portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
        "label": "Share-based Payment Arrangement, Tranche Three [Member]",
        "terseLabel": "Three years from grant date"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheThreeMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShareBasedCompensationAwardTrancheTwoMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Second portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period.",
        "label": "Share-based Payment Arrangement, Tranche Two [Member]",
        "terseLabel": "Two years from grant date"
       }
      }
     },
     "localname": "ShareBasedCompensationAwardTrancheTwoMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage": {
     "auth_ref": [
      "r230"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Percentage of vesting of award under share-based payment arrangement.",
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage",
        "terseLabel": "Vesting percentage"
       }
      }
     },
     "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShortTermDebtTypeAxis": {
     "auth_ref": [
      "r18"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of short-term debt arrangement.",
        "label": "Short-term Debt, Type [Axis]",
        "terseLabel": "Short-term Debt, Type [Axis]"
       }
      }
     },
     "localname": "ShortTermDebtTypeAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_ShortTermDebtTypeDomain": {
     "auth_ref": [
      "r16"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Type of short-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing.",
        "label": "Short-term Debt, Type [Domain]",
        "terseLabel": "Short-term Debt, Type [Domain]"
       }
      }
     },
     "localname": "ShortTermDebtTypeDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ShortTermDebtWeightedAverageInterestRate": {
     "auth_ref": [
      "r17"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Weighted average interest rate of short-term debt outstanding calculated at point in time.",
        "label": "Short-term Debt, Weighted Average Interest Rate, at Point in Time",
        "terseLabel": "Average borrowing rate of Repurchase agreements secured by:"
       }
      }
     },
     "localname": "ShortTermDebtWeightedAverageInterestRate",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "percentItemType"
    },
    "us-gaap_ShorttermDebtAverageOutstandingAmount": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.",
        "label": "Short-term Debt, Average Outstanding Amount",
        "terseLabel": "Average balance of Repurchase agreements secured by:"
       }
      }
     },
     "localname": "ShorttermDebtAverageOutstandingAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/RepurchaseAgreementsOutstandingWeightedAverageBorrowingRatesWeightedAverageRemainingMaturitiesAverageDailyBalancesAndFairValueOfCollateralPledgedDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StatementClassOfStockAxis": {
     "auth_ref": [
      "r7",
      "r8",
      "r9",
      "r204"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/DocumentAndEntityInformation"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementEquityComponentsAxis": {
     "auth_ref": [
      "r23",
      "r204"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail",
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeReclassificationsFromAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
        "label": "Statement [Line Items]",
        "terseLabel": "Statement [Line Items]"
       }
      }
     },
     "localname": "StatementLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfCashFlowsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Cash Flows [Abstract]"
       }
      }
     },
     "localname": "StatementOfCashFlowsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfFinancialPositionAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Financial Position [Abstract]"
       }
      }
     },
     "localname": "StatementOfFinancialPositionAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Comprehensive Income [Abstract]"
       }
      }
     },
     "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementOfStockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Statement of Stockholders' Equity [Abstract]"
       }
      }
     },
     "localname": "StatementOfStockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_StatementTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.",
        "label": "Statement [Table]",
        "terseLabel": "Statement [Table]"
       }
      }
     },
     "localname": "StatementTable",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Value, before forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).",
        "label": "Shares Granted, Value, Share-based Payment Arrangement, before Forfeiture",
        "terseLabel": "Grant date fair value"
       }
      }
     },
     "localname": "StockGrantedDuringPeriodValueSharebasedCompensationGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockIssuedDuringPeriodValueNewIssues": {
     "auth_ref": [
      "r8",
      "r9",
      "r204",
      "r212"
     ],
     "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",
        "verboseLabel": "Issuance of preferred stock"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueNewIssues",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "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": "Stock based compensation"
       }
      }
     },
     "localname": "StockIssuedDuringPeriodValueShareBasedCompensationGross",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchaseProgramAuthorizedAmount1": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount of stock repurchase plan authorized.",
        "label": "Stock Repurchase Program, Authorized Amount",
        "terseLabel": "Stock repurchase program, authorized amount"
       }
      }
     },
     "localname": "StockRepurchaseProgramAuthorizedAmount1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1": {
     "auth_ref": [],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Amount remaining of a stock repurchase plan authorized.",
        "label": "Stock Repurchase Program, Remaining Authorized Repurchase Amount",
        "terseLabel": "Remaining authorized repurchase amount"
       }
      }
     },
     "localname": "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockRepurchasedDuringPeriodShares": {
     "auth_ref": [
      "r8",
      "r9",
      "r204",
      "r212"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "label": "Stock Repurchased During Period, Shares",
        "terseLabel": "Stock repurchased during period (in shares)"
       }
      }
     },
     "localname": "StockRepurchasedDuringPeriodShares",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockCommonStockDetail"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_StockRepurchasedDuringPeriodValue": {
     "auth_ref": [
      "r8",
      "r9",
      "r204",
      "r212"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.",
        "label": "Stock Repurchased During Period, Value",
        "negatedTerseLabel": "Repurchase of common stock"
       }
      }
     },
     "localname": "StockRepurchasedDuringPeriodValue",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquity": {
     "auth_ref": [
      "r9",
      "r12",
      "r13",
      "r126"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition": {
       "order": 2.0,
       "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 stockholders' equity"
       }
      }
     },
     "localname": "StockholdersEquity",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/AccumulatedOtherComprehensiveIncomeComponentsOfAociDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_StockholdersEquityAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Stockholders' Equity Attributable to Parent [Abstract]",
        "terseLabel": "Stockholders' Equity:"
       }
      }
     },
     "localname": "StockholdersEquityAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialCondition"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_StockholdersEquityNoteDisclosureTextBlock": {
     "auth_ref": [
      "r213"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.",
        "label": "Stockholders' Equity Note Disclosure [Text Block]",
        "terseLabel": "Capital Stock"
       }
      }
     },
     "localname": "StockholdersEquityNoteDisclosureTextBlock",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStock"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.",
        "label": "Subsequent Event [Member]",
        "terseLabel": "Subsequent Event"
       }
      }
     },
     "localname": "SubsequentEventMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventTable": {
     "auth_ref": [
      "r319"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeAxis": {
     "auth_ref": [
      "r319"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventTypeDomain": {
     "auth_ref": [
      "r319"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_SubsequentEventsAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Subsequent Events [Abstract]"
       }
      }
     },
     "localname": "SubsequentEventsAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "us-gaap_SubsequentEventsTextBlock": {
     "auth_ref": [
      "r321"
     ],
     "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/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SubsequentEvents"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_SupplementalCashFlowInformationAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Supplemental Cash Flow Information [Abstract]",
        "terseLabel": "Supplemental disclosure of cash flow information:"
       }
      }
     },
     "localname": "SupplementalCashFlowInformationAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_SwaptionMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Option contract giving the holder the right to enter into a swap.",
        "label": "Swaption [Member]",
        "terseLabel": "Swaptions"
       }
      }
     },
     "localname": "SwaptionMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": {
     "auth_ref": [
      "r333"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms.",
        "label": "Financial Instruments [Domain]",
        "terseLabel": "Financial Instruments [Domain]"
       }
      }
     },
     "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CreditRiskAndInterestRateRiskOffsettingAssetsAndLiabilitiesDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/DerivativeInstrumentsNarrativeDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsScheduleOfUnpaidPrincipalFairValueAndImpactOfChangesInFairValueOnFinancialInstrumentsDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesCollateralCharacteristicsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGainsAndLossesFromSalesOfInvestmentsDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesGrossUnrealizedGainsLossesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesMaturitiesDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesSummaryDetail",
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesUnrealizedLossPositionsDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtTables",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_UnrealizedGainLossOnDerivatives": {
     "auth_ref": [
      "r80"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows": {
       "order": 5.0,
       "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities",
       "weight": -1.0
      },
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 1.0,
       "parentTag": "us-gaap_GainLossOnDerivativeInstrumentsNetPretax",
       "weight": 1.0
      },
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_GainLossOnDerivativeInstrumentsNetPretax",
       "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": "Net unrealized losses (gains) on derivatives",
        "terseLabel": "Net unrealized gains (losses) on derivatives"
       }
      }
     },
     "localname": "UnrealizedGainLossOnDerivatives",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations",
      "http://www.chimerareit.com/role/DerivativeInstrumentsEffectOnConsolidatedResultsDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_UseOfEstimates": {
     "auth_ref": [
      "r107",
      "r108",
      "r109",
      "r110",
      "r111",
      "r112",
      "r113"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.",
        "label": "Use of Estimates, Policy [Policy Text Block]",
        "terseLabel": "Use of Estimates"
       }
      }
     },
     "localname": "UseOfEstimates",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/SummaryOfSignificantAccountingPoliciesPolicies"
     ],
     "xbrltype": "textBlockItemType"
    },
    "us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveriesAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Valuation Allowance for Impairment of Recognized Servicing Assets, Additions (Deductions) for Expenses (Recoveries) [Abstract]",
        "terseLabel": "Additions:"
       }
      }
     },
     "localname": "ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveriesAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/MortgageBackedSecuritiesNonAgencySecuritiesCreditLossesDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis": {
     "auth_ref": [
      "r251",
      "r254",
      "r258"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by category of Variable Interest Entity (VIE).",
        "label": "Variable Interest Entities [Axis]",
        "terseLabel": "Variable Interest Entities [Axis]"
       }
      }
     },
     "localname": "VariableInterestEntitiesByClassificationOfEntityAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntityActivityBetweenVIEAndEntityExpense": {
     "auth_ref": [
      "r257"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations": {
       "order": 3.0,
       "parentTag": "cim_OtherExpensesNotReflectedInNetInvestmentIncomeLoss",
       "weight": 1.0
      }
     },
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The amount of expense between the reporting entity and the Variable Interest Entity (VIE).",
        "label": "Variable Interest Entity, Measure of Activity, Expense",
        "terseLabel": "Servicing fees"
       }
      }
     },
     "localname": "VariableInterestEntityActivityBetweenVIEAndEntityExpense",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssets": {
     "auth_ref": [
      "r250"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.",
        "label": "Variable Interest Entity, Consolidated, Carrying Amount, Assets",
        "terseLabel": "Assets"
       }
      }
     },
     "localname": "VariableInterestEntityConsolidatedCarryingAmountAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityConsolidatedCarryingAmountLiabilities": {
     "auth_ref": [
      "r250"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.",
        "label": "Variable Interest Entity, Consolidated, Carrying Amount, Liabilities",
        "terseLabel": "Liabilities"
       }
      }
     },
     "localname": "VariableInterestEntityConsolidatedCarryingAmountLiabilities",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount": {
     "auth_ref": [
      "r253",
      "r256"
     ],
     "crdr": "credit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).",
        "label": "Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount",
        "terseLabel": "Variable interest entity, reporting entity involvement, maximum loss exposure, amount"
       }
      }
     },
     "localname": "VariableInterestEntityEntityMaximumLossExposureAmount",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityLineItems": {
     "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": "Variable Interest Entity [Line Items]",
        "terseLabel": "Variable Interest Entity [Line Items]"
       }
      }
     },
     "localname": "VariableInterestEntityLineItems",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssets": {
     "auth_ref": [
      "r252"
     ],
     "crdr": "debit",
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.",
        "label": "Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets",
        "terseLabel": "Unconsolidated VIEs, aggregate investment"
       }
      }
     },
     "localname": "VariableInterestEntityNonconsolidatedCarryingAmountAssets",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail"
     ],
     "xbrltype": "monetaryItemType"
    },
    "us-gaap_VariableInterestEntityNotPrimaryBeneficiaryAggregatedDisclosureMember": {
     "auth_ref": [
      "r259"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Aggregated disclosures of similar Variable Interest Entities (VIE) which are not included in the consolidated financial statements of the entity because the entity does not have a controlling financial interest (not the primary beneficiary). Such disclosures may include how similar entities are aggregated, if separate reporting would not provide more useful information.",
        "label": "Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]",
        "terseLabel": "Variable Interest Entities, Not Primary Beneficiary, Aggregated Disclosure"
       }
      }
     },
     "localname": "VariableInterestEntityNotPrimaryBeneficiaryAggregatedDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember": {
     "auth_ref": [
      "r260"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Disclosures of similar consolidated Variable Interest Entities (VIE),in aggregate, including how similar entities are aggregated, if separate reporting would not provide more useful information.",
        "label": "Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure [Member]",
        "terseLabel": "Variable Interest Entities, Primary Beneficiary, Aggregated Disclosure"
       }
      }
     },
     "localname": "VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesNarrativeDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputReconciliationDetail",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsSecuritizedDebtDetail",
      "http://www.chimerareit.com/role/LoansHeldForInvestmentRollForwardDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtMaturitiesDetail",
      "http://www.chimerareit.com/role/SecuritizedDebtNarrativeDetail",
      "http://www.chimerareit.com/role/SubsequentEventsDetails"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember": {
     "auth_ref": [
      "r251"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary. A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity.",
        "label": "Variable Interest Entity, Primary Beneficiary [Member]",
        "terseLabel": "Variable Interest Entities, Primary Beneficiary"
       }
      }
     },
     "localname": "VariableInterestEntityPrimaryBeneficiaryMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedFinancialConditionDetail",
      "http://www.chimerareit.com/role/ConsolidatedSecuritizationVehiclesAndOtherVariableInterestEntitiesEffectOnConsolidatedResultsDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperationsParenthetical"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VariableRateAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by type of variable rate.",
        "label": "Variable Rate [Axis]",
        "terseLabel": "Variable Rate [Axis]"
       }
      }
     },
     "localname": "VariableRateAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VariableRateDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.",
        "label": "Variable Rate [Domain]",
        "terseLabel": "Variable Rate [Domain]"
       }
      }
     },
     "localname": "VariableRateDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockPreferredStockDetails",
      "http://www.chimerareit.com/role/FairValueMeasurementsUnobservableInputsAssumptionsLoansHeldForInvestmentDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_VestingAxis": {
     "auth_ref": [
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Information by vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Axis]",
        "terseLabel": "Vesting [Axis]"
       }
      }
     },
     "localname": "VestingAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_VestingDomain": {
     "auth_ref": [
      "r234"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Vesting schedule of award under share-based payment arrangement.",
        "label": "Vesting [Domain]",
        "terseLabel": "Vesting [Domain]"
       }
      }
     },
     "localname": "VestingDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/EquityCompensationEmploymentAgreementsAndOtherBenefitPlansNarrativeDetail"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]",
        "terseLabel": "Denominator:"
       }
      }
     },
     "localname": "WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": {
     "auth_ref": [
      "r98",
      "r103"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail": {
       "order": null,
       "parentTag": null,
       "root": true,
       "weight": null
      }
     },
     "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": "Diluted (shares)",
        "totalLabel": "Weighted average dilutive shares (shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfDilutedSharesOutstanding",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "sharesItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Weighted Average Number of Shares Outstanding, Diluted [Abstract]",
        "terseLabel": "Weighted average number of common shares outstanding:"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingAbstract",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "stringItemType"
    },
    "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": {
     "auth_ref": [
      "r96",
      "r103"
     ],
     "calculation": {
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail": {
       "order": 1.0,
       "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding",
       "weight": 1.0
      }
     },
     "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": "Basic (shares)",
        "verboseLabel": "Weighted average basic shares (shares)"
       }
      }
     },
     "localname": "WeightedAverageNumberOfSharesOutstandingBasic",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.chimerareit.com/role/CapitalStockEarningsPerShareDetail",
      "http://www.chimerareit.com/role/ConsolidatedStatementsOfOperations"
     ],
     "xbrltype": "sharesItemType"
    }
   },
   "unitCount": 8
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "205",
   "URI": "http://asc.fasb.org/topic&trid=2122149"
  },
  "r1": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765"
  },
  "r10": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(1))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r100": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1500-109256"
  },
  "r101": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "60B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256"
  },
  "r102": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256"
  },
  "r103": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r104": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r105": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257"
  },
  "r106": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "52",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258"
  },
  "r107": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r108": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592"
  },
  "r109": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592"
  },
  "r11": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30)(a)(3))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r110": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592"
  },
  "r111": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592"
  },
  "r112": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592"
  },
  "r113": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "275",
   "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592"
  },
  "r114": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r115": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r116": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r117": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "22",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599"
  },
  "r118": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "40",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599"
  },
  "r119": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "41",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "280",
   "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599"
  },
  "r12": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(30))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r120": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4437-111522"
  },
  "r121": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5162-111524"
  },
  "r122": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "29",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953659-111524"
  },
  "r123": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5066-111524"
  },
  "r124": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524"
  },
  "r125": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524"
  },
  "r126": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 4.E)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707"
  },
  "r127": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "15",
   "SubTopic": "30",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118938799&loc=d3e13503-111538"
  },
  "r128": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544"
  },
  "r129": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "310",
   "URI": "http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544"
  },
  "r13": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(31))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r130": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562"
  },
  "r131": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562"
  },
  "r132": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118954083&loc=SL6284422-111562"
  },
  "r133": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6283291-111563"
  },
  "r134": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r135": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(aa)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r136": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r137": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r138": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r139": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563"
  },
  "r14": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(32))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r140": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563"
  },
  "r141": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563"
  },
  "r142": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563"
  },
  "r143": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563"
  },
  "r144": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27198-111563"
  },
  "r145": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r146": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(2)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r147": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(3)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r148": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563"
  },
  "r149": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563"
  },
  "r15": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.1)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r150": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27340-111563"
  },
  "r151": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "a.2.",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284381-111563"
  },
  "r152": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r153": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r154": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r155": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r156": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r157": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r158": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=SL6284393-111563"
  },
  "r159": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)-(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563"
  },
  "r16": {
   "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=6877327&loc=d3e13212-122682"
  },
  "r160": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "320",
   "URI": "http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563"
  },
  "r161": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "323",
   "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571"
  },
  "r162": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919244-210447"
  },
  "r163": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447"
  },
  "r164": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447"
  },
  "r165": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447"
  },
  "r166": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447"
  },
  "r167": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921830-210448"
  },
  "r168": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921833-210448"
  },
  "r169": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921835-210448"
  },
  "r17": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19(b))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r170": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Subparagraph": "(c)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82921842-210448"
  },
  "r171": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "79",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448"
  },
  "r172": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "80",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448"
  },
  "r173": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454"
  },
  "r174": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(1)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r175": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(a)(2)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r176": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(3)",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r177": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455"
  },
  "r178": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922890-210455"
  },
  "r179": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922895-210455"
  },
  "r18": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r180": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118955579&loc=SL82922900-210455"
  },
  "r181": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "30",
   "Topic": "326",
   "URI": "http://asc.fasb.org/extlink&oid=118942371&loc=SL82922954-210456"
  },
  "r182": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "440",
   "URI": "http://asc.fasb.org/topic&trid=2144648"
  },
  "r183": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349"
  },
  "r184": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14615-108349"
  },
  "r185": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14394-108349"
  },
  "r186": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349"
  },
  "r187": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14453-108349"
  },
  "r188": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14472-108349"
  },
  "r189": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "450",
   "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349"
  },
  "r19": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.19-26)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r190": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "450",
   "URI": "http://asc.fasb.org/topic&trid=2127136"
  },
  "r191": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248"
  },
  "r192": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12053-110248"
  },
  "r193": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248"
  },
  "r194": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(4)",
   "Topic": "460",
   "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248"
  },
  "r195": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601"
  },
  "r196": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601"
  },
  "r197": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "40",
   "SubTopic": "50",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629"
  },
  "r198": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "40",
   "SubTopic": "50",
   "Topic": "470",
   "URI": "http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629"
  },
  "r199": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "470",
   "URI": "http://asc.fasb.org/topic&trid=2208564"
  },
  "r2": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(17))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r20": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.22)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r200": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(CFRR 211.02)",
   "Topic": "480",
   "URI": "http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764"
  },
  "r201": {
   "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"
  },
  "r202": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644"
  },
  "r203": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644"
  },
  "r204": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644"
  },
  "r205": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644"
  },
  "r206": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644"
  },
  "r207": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644"
  },
  "r208": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644"
  },
  "r209": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644"
  },
  "r21": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.25)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r210": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644"
  },
  "r211": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644"
  },
  "r212": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.3-04)",
   "Topic": "505",
   "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770"
  },
  "r213": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "505",
   "URI": "http://asc.fasb.org/topic&trid=2208762"
  },
  "r214": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045"
  },
  "r215": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045"
  },
  "r216": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045"
  },
  "r217": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046"
  },
  "r218": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "91",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "606",
   "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046"
  },
  "r219": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "710",
   "URI": "http://asc.fasb.org/topic&trid=2127225"
  },
  "r22": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.28,29)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r220": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "712",
   "URI": "http://asc.fasb.org/topic&trid=2197446"
  },
  "r221": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(ii)",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920"
  },
  "r222": {
   "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=118255775&loc=d3e1928-114920"
  },
  "r223": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2410-114920"
  },
  "r224": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921"
  },
  "r225": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "70",
   "Topic": "715",
   "URI": "http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942"
  },
  "r226": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "715",
   "URI": "http://asc.fasb.org/topic&trid=2235017"
  },
  "r227": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r228": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r229": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901"
  },
  "r23": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.29-31)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r230": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r231": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a),(g)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r232": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)(iii)(1)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r233": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(h)(1)(i)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r234": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901"
  },
  "r235": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SAB Topic 14.F)",
   "Topic": "718",
   "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809"
  },
  "r236": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "718",
   "URI": "http://asc.fasb.org/topic&trid=2228938"
  },
  "r237": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32247-109318"
  },
  "r238": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32280-109318"
  },
  "r239": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319"
  },
  "r24": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02.8)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r240": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319"
  },
  "r241": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319"
  },
  "r242": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32847-109319"
  },
  "r243": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Subparagraph": "(a)",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324"
  },
  "r244": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "05",
   "SubTopic": "30",
   "Topic": "740",
   "URI": "http://asc.fasb.org/extlink&oid=65884525&loc=d3e40913-109327"
  },
  "r245": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "740",
   "URI": "http://asc.fasb.org/topic&trid=2144680"
  },
  "r246": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "19",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683"
  },
  "r247": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "20",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683"
  },
  "r248": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r249": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c),(3)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684"
  },
  "r25": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=49176635&loc=d3e9760-107771"
  },
  "r250": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685"
  },
  "r251": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685"
  },
  "r252": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "a",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685"
  },
  "r253": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "b",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685"
  },
  "r254": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685"
  },
  "r255": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685"
  },
  "r256": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685"
  },
  "r257": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "d",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685"
  },
  "r258": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685"
  },
  "r259": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6228884-111685"
  },
  "r26": {
   "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"
  },
  "r260": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6228884-111685"
  },
  "r261": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "810",
   "URI": "http://asc.fasb.org/extlink&oid=118582676&loc=SL6228884-111685"
  },
  "r262": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "810",
   "URI": "http://asc.fasb.org/topic&trid=2197479"
  },
  "r263": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958"
  },
  "r264": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959"
  },
  "r265": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959"
  },
  "r266": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959"
  },
  "r267": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r268": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r269": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959"
  },
  "r27": {
   "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"
  },
  "r270": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4B",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959"
  },
  "r271": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959"
  },
  "r272": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4C",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959"
  },
  "r273": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4CC",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959"
  },
  "r274": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959"
  },
  "r275": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(1)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959"
  },
  "r276": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4D",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959"
  },
  "r277": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4E",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959"
  },
  "r278": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4J",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5708773-113959"
  },
  "r279": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5708775-113959"
  },
  "r28": {
   "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"
  },
  "r280": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)(4)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5708775-113959"
  },
  "r281": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5708775-113959"
  },
  "r282": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4K",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5708775-113959"
  },
  "r283": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4L",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5708777-113959"
  },
  "r284": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959"
  },
  "r285": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959"
  },
  "r286": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959"
  },
  "r287": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "182",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=116861445&loc=SL5629052-113961"
  },
  "r288": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "25",
   "Topic": "815",
   "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986"
  },
  "r289": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "815",
   "URI": "http://asc.fasb.org/topic&trid=2229140"
  },
  "r29": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(d)(2)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r290": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r291": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r292": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r293": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r294": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(1)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r295": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(bbb)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r296": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r297": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(1a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r298": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(2)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r299": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(c)(3)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r3": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(19))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r30": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(e)",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r300": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258"
  },
  "r301": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258"
  },
  "r302": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258"
  },
  "r303": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "820",
   "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=SL6742756-110258"
  },
  "r304": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=116690757&loc=d3e13220-108610"
  },
  "r305": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611"
  },
  "r306": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13467-108611"
  },
  "r307": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13476-108611"
  },
  "r308": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612"
  },
  "r309": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612"
  },
  "r31": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312"
  },
  "r310": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "30",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612"
  },
  "r311": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "31",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14210-108612"
  },
  "r312": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "32",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "825",
   "URI": "http://asc.fasb.org/extlink&oid=75031198&loc=d3e14217-108612"
  },
  "r313": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "230",
   "Topic": "830",
   "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906"
  },
  "r314": {
   "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"
  },
  "r315": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399"
  },
  "r316": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399"
  },
  "r317": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "835",
   "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399"
  },
  "r318": {
   "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"
  },
  "r319": {
   "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"
  },
  "r32": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=51824906&loc=SL20225877-175312"
  },
  "r320": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "855",
   "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662"
  },
  "r321": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "855",
   "URI": "http://asc.fasb.org/topic&trid=2122774"
  },
  "r322": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(b)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r323": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r324": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r325": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r326": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Subparagraph": "(bb)(3)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719"
  },
  "r327": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "30",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728"
  },
  "r328": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)(1)(i)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729"
  },
  "r329": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "30",
   "Subparagraph": "(b)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL34722452-111729"
  },
  "r33": {
   "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"
  },
  "r330": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "50",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=7524895&loc=d3e120260-111741"
  },
  "r331": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "50",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745"
  },
  "r332": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "50",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745"
  },
  "r333": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746"
  },
  "r334": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(1)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r335": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "50",
   "Subparagraph": "(a)(2)",
   "Topic": "860",
   "URI": "http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746"
  },
  "r336": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "860",
   "URI": "http://asc.fasb.org/topic&trid=2197590"
  },
  "r337": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "25",
   "SubTopic": "20",
   "Topic": "940",
   "URI": "http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953"
  },
  "r338": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(10))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r339": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(11))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r34": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226016-175313"
  },
  "r340": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r341": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(15)(5))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r342": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(16))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r343": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r344": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.13(1))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r345": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.15(5))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r346": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.15)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r347": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.9-03.17)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878"
  },
  "r348": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(13))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r349": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(15))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r35": {
   "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"
  },
  "r350": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(22))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r351": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04(23))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r352": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.10)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r353": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.13(h))",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r354": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.2)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r355": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.9-04.9)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260"
  },
  "r356": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803"
  },
  "r357": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(a)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803"
  },
  "r358": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(b)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803"
  },
  "r359": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(c)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803"
  },
  "r36": {
   "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"
  },
  "r360": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Subparagraph": "(d)",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803"
  },
  "r361": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "320",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803"
  },
  "r362": {
   "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"
  },
  "r363": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "470",
   "Topic": "942",
   "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823"
  },
  "r364": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(16))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r365": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(10))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r366": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(12))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r367": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(15)(5))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r368": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r369": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03(a)(25))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r37": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "9",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "20",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313"
  },
  "r370": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.(a),19)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r371": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "210",
   "Subparagraph": "(SX 210.7-03.15(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910"
  },
  "r372": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(18))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r373": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(19))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r374": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(3)(a))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r375": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "220",
   "Subparagraph": "(SX 210.7-04(8))",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263"
  },
  "r376": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4H",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "40",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438"
  },
  "r377": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(a)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441"
  },
  "r378": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13H",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "40",
   "Subparagraph": "(b)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441"
  },
  "r379": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "80",
   "Subparagraph": "(e)",
   "Topic": "944",
   "URI": "http://asc.fasb.org/extlink&oid=117420044&loc=d3e19393-158473"
  },
  "r38": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580"
  },
  "r380": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "20",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=66023616&loc=d3e9120-115832"
  },
  "r381": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "205",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=25866437&loc=d3e10491-115837"
  },
  "r382": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "210",
   "Subparagraph": "(c)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841"
  },
  "r383": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12(2)(i))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010"
  },
  "r384": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010"
  },
  "r385": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12.Column B)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010"
  },
  "r386": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12C(1)(a))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010"
  },
  "r387": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12C)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010"
  },
  "r388": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-12C.Column B)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010"
  },
  "r389": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-13(1))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010"
  },
  "r39": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(f)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580"
  },
  "r390": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-13)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611282-123010"
  },
  "r391": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-14)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010"
  },
  "r392": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "6",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-14.Column B)",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010"
  },
  "r393": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "7",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "320",
   "Subparagraph": "(SX 210.12-15(Column A))",
   "Topic": "946",
   "URI": "http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010"
  },
  "r394": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Column G))",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014"
  },
  "r395": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Footnote 4))",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014"
  },
  "r396": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "310",
   "Subparagraph": "(SX 210.12-29(Footnote 6))",
   "Topic": "948",
   "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014"
  },
  "r397": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "740",
   "Topic": "954",
   "URI": "http://asc.fasb.org/extlink&oid=6491622&loc=d3e9504-115650"
  },
  "r398": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "360",
   "Subparagraph": "(SX 210.12-28(Footnote 2))",
   "Topic": "970",
   "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024"
  },
  "r399": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r4": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(20))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r40": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(g)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580"
  },
  "r400": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r401": {
   "Name": "Form 10-Q",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-13"
  },
  "r402": {
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13",
   "Subsection": "a-1-"
  },
  "r403": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r404": {
   "Name": "Regulation S-T",
   "Number": "232",
   "Publisher": "SEC",
   "Section": "405"
  },
  "r405": {
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "11",
   "Subsection": "03"
  },
  "r406": {
   "Footnote": "2",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "28"
  },
  "r407": {
   "Footnote": "4",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "29"
  },
  "r408": {
   "Footnote": "6",
   "Name": "Regulation S-X (SX)",
   "Number": "210",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "29"
  },
  "r41": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(h)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580"
  },
  "r42": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580"
  },
  "r43": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580"
  },
  "r44": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580"
  },
  "r45": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580"
  },
  "r46": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e689-108580"
  },
  "r47": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724391-108580"
  },
  "r48": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724394-108580"
  },
  "r49": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580"
  },
  "r5": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(22))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r50": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580"
  },
  "r51": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1A",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(c)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580"
  },
  "r52": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580"
  },
  "r53": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1B",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580"
  },
  "r54": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "5",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580"
  },
  "r55": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116657188&loc=SL116659661-227067"
  },
  "r56": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "55",
   "SubTopic": "10",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581"
  },
  "r57": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(210.5-03(11))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r58": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(10))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r59": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(20))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r6": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(24))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r60": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(21))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r61": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(4))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r62": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(7)(c))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r63": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03(b)(9)(a))",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r64": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-03.4)",
   "Topic": "220",
   "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227"
  },
  "r65": {
   "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=116634182&loc=SL114868664-224227"
  },
  "r66": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "220",
   "URI": "http://asc.fasb.org/topic&trid=2134417"
  },
  "r67": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3151-108585"
  },
  "r68": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "12",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585"
  },
  "r69": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585"
  },
  "r7": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(27))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r70": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585"
  },
  "r71": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "13",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585"
  },
  "r72": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "14",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585"
  },
  "r73": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r74": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "15",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585"
  },
  "r75": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "17",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(d)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585"
  },
  "r76": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "24",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585"
  },
  "r77": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(e)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585"
  },
  "r78": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "25",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585"
  },
  "r79": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(a)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r8": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(28))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r80": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Subparagraph": "(b)",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r81": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "28",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585"
  },
  "r82": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "4",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585"
  },
  "r83": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586"
  },
  "r84": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "8",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "230",
   "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586"
  },
  "r85": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "3",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790"
  },
  "r86": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(d)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r87": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08(h))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r88": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(d)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r89": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(d),(e))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r9": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.5-02(29))",
   "Topic": "210",
   "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682"
  },
  "r90": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(e),(f))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r91": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(m)(1)(a)(i))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r92": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(m)(1)(i)(A))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r93": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "1",
   "Publisher": "FASB",
   "Section": "S99",
   "SubTopic": "10",
   "Subparagraph": "(SX 210.4-08.(m)(1))",
   "Topic": "235",
   "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690"
  },
  "r94": {
   "Name": "Accounting Standards Codification",
   "Publisher": "FASB",
   "Topic": "235",
   "URI": "http://asc.fasb.org/topic&trid=2122369"
  },
  "r95": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "50",
   "SubTopic": "10",
   "Topic": "250",
   "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794"
  },
  "r96": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "10",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256"
  },
  "r97": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "11",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256"
  },
  "r98": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "16",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1505-109256"
  },
  "r99": {
   "Name": "Accounting Standards Codification",
   "Paragraph": "2",
   "Publisher": "FASB",
   "Section": "45",
   "SubTopic": "10",
   "Topic": "260",
   "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256"
  }
 },
 "version": "2.1"
}
