Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE - Loan Valuation (Details 5)

v2.4.1.9
FAIR VALUE - Loan Valuation (Details 5) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mezzanine Loans [Member]  
Carrying value $ 65,862us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
[1]
Fair Value 66,956us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
Discount Rate 8.60%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
Loss Severity 27.90%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
Mezzanine Loans [Member] | Lower Range  
Discount Rate 5.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Loss Severity 0.00%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Mezzanine Loans [Member] | Upper Range  
Discount Rate 20.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Loss Severity 100.00%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_MezzanineLoansMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Corporate Bank Loans [Member]  
Carrying value 112,459us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
[1]
Fair Value 127,936us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
Discount Rate 22.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
Loss Severity 25.70%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
Corporate Bank Loans [Member] | Lower Range  
Discount Rate 15.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Loss Severity 0.00%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Corporate Bank Loans [Member] | Upper Range  
Discount Rate 29.30%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Loss Severity 100.00%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_BankLoanObligationsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
B-Notes [Member]  
Carrying value 18,891us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NotesReceivableMember
[1]
Fair Value 18,891us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NotesReceivableMember
Discount Rate 12.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NotesReceivableMember
Loss Severity 0.00%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_NotesReceivableMember
Whole Loans [Member]  
Carrying value 39us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_WholeLoansMember
[1]
Fair Value 39us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_WholeLoansMember
Discount Rate 7.50%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_WholeLoansMember
Loss Severity 0.00%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_WholeLoansMember
Total Real Estate Related and Other Loans Held-for-Sale, Net [Member]  
Carrying value 197,251us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
[1]
Fair Value 213,822us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_RealEstateRelatedAndOtherLoansHeldForSaleMember
Residential Loans [Member]  
Carrying value 3,735us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialLoansMember
[1],[2]
Fair Value 3,889us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialLoansMember
Discount Rate 13.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialLoansMember
Loss Severity 4.90%us-gaap_FairValueInputsLossSeverity
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialLoansMember
Prepayment Speed 0.20%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialLoansMember
Constant Default Rate 18.20%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialLoansMember
Total Residential Mortgage Loans Held-For-Sale [Member]  
Carrying value 3,735us-gaap_LoansAndLeasesReceivableNetReportedAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialMortgageLoansHeldForSaleMember
[1]
Fair Value $ 3,889us-gaap_LoansReceivableFairValueDisclosure
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= nct_ResidentialMortgageLoansHeldForSaleMember
[1] Carrying value includes negligible interest receivable for the residential housing loans.
[2] Loans acquired at a discount for credit quality.