Annual report pursuant to Section 13 and 15(d)

REAL ESTATE SECURITIES - Geographic Distribution of Collateral Securing Newcastle's CMBS and ABS (Details 4)

v2.4.1.9
REAL ESTATE SECURITIES - Geographic Distribution of Collateral Securing Newcastle's CMBS and ABS (Details 4) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
CMBS [Member]  
Principal balance $ 214,026us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 100.00%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
CMBS [Member] | Northeastern US [Member]  
Principal balance 57,463us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_NortheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 26.80%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_NortheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
CMBS [Member] | Southeastern US [Member]  
Principal balance 47,764us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SoutheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 22.30%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SoutheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
CMBS [Member] | Midwestern US [Member]  
Principal balance 35,604us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_MidwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 16.60%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_MidwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
CMBS [Member] | Western US [Member]  
Principal balance 30,827us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_WesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 14.40%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_WesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
CMBS [Member] | Southwestern US [Member]  
Principal balance 27,530us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SouthwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 12.90%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SouthwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
CMBS [Member] | Other Locations [Member]  
Principal balance 10,825us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_OtherLocationsMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 5.10%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_OtherLocationsMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
CMBS [Member] | Foreign [Member]  
Principal balance 4,013us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_ForeignMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
Percentage of principal balance 1.90%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_ForeignMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CommercialMortgageBackedSecuritiesMember
ABS [Member]  
Principal balance 75,939us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Percentage of principal balance 100.00%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
ABS [Member] | Northeastern US [Member]  
Principal balance 19,791us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_NortheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Percentage of principal balance 26.10%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_NortheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
ABS [Member] | Southeastern US [Member]  
Principal balance 16,448us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SoutheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Percentage of principal balance 21.70%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SoutheasternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
ABS [Member] | Midwestern US [Member]  
Principal balance 10,017us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_MidwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Percentage of principal balance 13.20%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_MidwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
ABS [Member] | Western US [Member]  
Principal balance 21,672us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_WesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Percentage of principal balance 28.50%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_WesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
ABS [Member] | Southwestern US [Member]  
Principal balance $ 8,011us-gaap_InvestmentOwnedBalancePrincipalAmount
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SouthwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Percentage of principal balance 10.50%us-gaap_InvestmentOwnedPercentOfNetAssets
/ us-gaap_ConcentrationRiskByTypeAxis
= nct_SouthwesternUSMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember