Quarterly report pursuant to Section 13 or 15(d)

REAL ESTATE RELATED LOANS, RESIDENTIAL MORTGAGE LOANS AND SUBPRIME MORTGAGE LOANS - Activity in Carrying Value (Details 2)

v2.4.1.9
REAL ESTATE RELATED LOANS, RESIDENTIAL MORTGAGE LOANS AND SUBPRIME MORTGAGE LOANS - Activity in Carrying Value (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Valuation (allowance) reversal on loans $ 357us-gaap_ProvisionForLoanLeaseAndOtherLosses $ 1,246us-gaap_ProvisionForLoanLeaseAndOtherLosses
Real Estate Related and Other Loans Held For Sale [Member]    
Carrying value 230,200us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateLoansHFSMember
 
Interest accrued to principal balance 4,954us-gaap_MortgageLoansOnRealEstateOtherAdditions
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateLoansHFSMember
 
Principal paydowns (39,263)us-gaap_MortgageLoansOnRealEstateCollectionsOfPrincipal
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateLoansHFSMember
 
Valuation (allowance) reversal on loans (289)us-gaap_ProvisionForLoanLeaseAndOtherLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateLoansHFSMember
 
Accretion of loan discount and other amortization 1,649us-gaap_MortgageLoansOnRealEstateAmortizationOfPremium
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateLoansHFSMember
 
Carrying value 197,251us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateLoansHFSMember
 
Residential Mortgage Loans Held For Sale [Member]    
Carrying value 3,854us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialMortgageLoansHFSMember
 
Principal paydowns (50)us-gaap_MortgageLoansOnRealEstateCollectionsOfPrincipal
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialMortgageLoansHFSMember
 
Valuation (allowance) reversal on loans (68)us-gaap_ProvisionForLoanLeaseAndOtherLosses
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialMortgageLoansHFSMember
 
Other (1)us-gaap_MortgageLoansOnRealEstateOtherDeductions
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialMortgageLoansHFSMember
 
Carrying value $ 3,735us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialMortgageLoansHFSMember