Annual report pursuant to Section 13 and 15(d)

REAL ESTATE SECURITIES - Holdings in an Unrealized Loss Position (Details 1)

v2.4.1.9
REAL ESTATE SECURITIES - Holdings in an Unrealized Loss Position (Details 1) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Securities
Dec. 31, 2013
Dec. 31, 2012
Carrying Value $ 231,754us-gaap_AvailableForSaleSecuritiesDebtSecurities $ 432,993us-gaap_AvailableForSaleSecuritiesDebtSecurities  
Weighted Average Yield 14.82%nct_YieldWeightedAverage [1],[2]    
Weighted Average Maturity (Years) 1 year 7 months 6 days    
Securities in an Unrealized Loss Position Less than Twelve Months [Member]      
Outstanding Face Amount 5,903us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Before Impairment - Amortized Cost Basis 9,394nct_AvailableForSaleAmortizedCostBasisBeforeImpairment
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Other Than Temporary Impairment - Amortized Cost Basis (4,174)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Amortized Cost Basis After Impairment 5,220us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Gross unrealized losses - less than twelve months (4)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Carrying value - less than twelve months 5,216us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Number of securities, less than twelve months 2us-gaap_AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Weighted Average Rating CCC    
Weighted Average Coupon 5.53%nct_CouponWeightedAverage
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Weighted Average Yield 12.23%nct_YieldWeightedAverage
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossLessThanTwelveMMember 		   
Weighted Average Maturity (Years) 3 years 4 months 24 days    
Securities in an Unrealized Loss Position [Member]      
Outstanding Face Amount 5,903us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Before Impairment - Amortized Cost Basis 9,394nct_AvailableForSaleAmortizedCostBasisBeforeImpairment
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Other Than Temporary Impairment - Amortized Cost Basis (4,174)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		(2,873)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		(4,770)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember
Amortized Cost Basis After Impairment 5,220us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Total gross unrealized losses (4)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Carrying Value $ 5,216us-gaap_AvailableForSaleSecuritiesDebtSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Number of securities, less than twelve months 2us-gaap_AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Weighted Average Rating CCC    
Weighted Average Coupon 5.53%nct_CouponWeightedAverage
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Weighted Average Yield 12.23%nct_YieldWeightedAverage
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= nct_SecuritiesUnrealizedLossMember 		   
Weighted Average Maturity (Years) 3 years 4 months 24 days    
[1] For others, represents weighted average yield and weighted average coupon.
[2] Interest only payments over life to maturity and balloon principal payment upon maturity.