Name:	cim_PercentageOfPortfolioOriginatedInEighthYearPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of the portfolio of investments that was originated in the eleventh year preceding the most current year included in the financial statements.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInEleventhYearPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInFourteenthYearAndPriorPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of the portfolio of investments that was originated in the ninth year preceding the most current year included in the financial statements.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInNinthYearPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of the portfolio of investments that was originated in the seventh year preceding the most current year included in the financial statements.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInSeventhYearPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInSixthYearAndLaterPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of the portfolio of investments that was originated in the tenth year preceding the most current year included in the financial statements.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInTenthYearPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of the portfolio of investments that was originated in the thirteenth year preceding the most current year included in the financial statements.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInThirteenthYearPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of the portfolio of investments that was originated in the twelfth year preceding the most current year included in the financial statements.

No definition available.

Name:	cim_PercentageOfPortfolioOriginatedInTwelfthYearPrecedingMostCurrentYearOfReport
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The sum of the percentages of the portfolio of investments as of the reporting date pertaining to years of origination.

No definition available.

Name:	cim_PercentageOfUnderlyingMortgagesYearOriginated
Namespace Prefix:	cim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Line Items]

No definition available.

Name:	cim_SecuritizedLoansHeldForInvestmentByConsolidatedVariableInterestEntitiesLineItems
Namespace Prefix:	cim_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5066-111524