Annual report pursuant to Section 13 and 15(d)

REAL ESTATE SECURITIES - Credit Losses on Debt Securities (Details 3)

v2.4.1.9
REAL ESTATE SECURITIES - Credit Losses on Debt Securities (Details 3) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]    
Reduction for securities transferred to New Residential $ 3,800nct_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesTransferred  
Securities in an Unrealized Loss Position [Member]    
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]    
Beginning balance of credit losses on debt securities for which a portion of an OTTI was recognized in other comprehensive income (2,873)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
(4,770)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
Increases to credit losses on securities for which an OTTI was previously recognized and a portion of OTTI recognized in other comprehensive income (4,174)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
(89)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
Additions for credit losses on securities for which an OTTI was previously recognized without any protion of OTTI recognized in comprehensive income   (2,874)nct_OtherThanTemporaryImpairmentCreditLossesNotRecognizedInEarningsAdditionsAdditionalCreditLosses
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
Reduction for credit losses on securities for which no OTTI was recognized in other comprehensive income at the current measurement date   120us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
Reduction for securities sold/written off during the period 2,873us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
4,739us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
Reduction for increases in cash flows expected to be collected that are recognized over the remaining life of the security   1us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
Ending balance of credit losses on debt securities for which a portion of an OTTI was recognized in other comprehensive income $ (4,174)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
$ (2,873)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember