Quarterly report pursuant to Section 13 or 15(d)

REAL ESTATE RELATED LOANS, RESIDENTIAL MORTGAGE LOANS AND SUBPRIME MORTGAGE LOANS - Loans By Maturity (Details 1)

v2.4.1.9
REAL ESTATE RELATED LOANS, RESIDENTIAL MORTGAGE LOANS AND SUBPRIME MORTGAGE LOANS - Loans By Maturity (Details 1) (Total Real Estate Related and Other Loans Held-for-Sale, Net [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Loans
Total Real Estate Related and Other Loans Held-for-Sale, Net [Member]
  
Outstanding Face Amount  
Delinquent face amount $ 12,000us-gaap_MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember 		[1],[2]
Period from April 1, 2015 to December 31, 2015 90,859nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInNextTwelveMonthsFace
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2016   
2017 24,211nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInYearThreeFace
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2018 21,621nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInYearFourFace
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2019 132,799nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInYearFiveFace
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Thereafter 12,302nct_LoansReceivableMaturitiesRepaymentsOfPrincipalFaceThereafter
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Outstanding face amount 293,792us-gaap_MortgageLoansOnRealEstateFaceAmountOfMortgages
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Carrying Value  
Period from April 1, 2015 to December 31, 2015 30,700nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2016   
2017 24,211nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2018 18,891nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2019 112,092nct_LoansReceivableMaturitiesRepaymentsOfPrincipalInYearFive
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Thereafter 11,357nct_LoansReceivableMaturitiesRepaymentsOfPrincipalThereafter
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Total $ 197,251us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember 		[3]
Number of Loans  
Delinquent face amount 1nct_MortgageLoansOnRealEstateNumberOfLoansDelinquent
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Period from April 1, 2015 to December 31, 2015 7nct_MortgageLoansOnRealEstateNumberOfLoansMaturingNextTwelveMonths
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2016   
2017 1nct_MortgageLoansOnRealEstateNumberOfLoansMaturingInYearThree
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2018 1nct_MortgageLoansOnRealEstateNumberOfLoansMaturingInYearFour
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
2019 2nct_MortgageLoansOnRealEstateNumberOfLoansMaturingInYearFive
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Thereafter 1nct_MortgageLoansOnRealEstateNumberOfLoansMaturingThereafter
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Total 13nct_MortgageLoansOnRealEstateNumberOfLoans1
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
[1] Includes loans that are 60 or more days past due (including loans that are in foreclosure, or borrower's in bankruptcy) or considered real estate owned ("REO"). As of March 31, 2015, $76.4 million face amount of real estate related and other loans was on non-accrual status.
[2] Includes loans that are non-performing, in foreclosure, or under bankruptcy.
[3] Carrying value includes negligible interest receivable for the residential housing loans.