Quarterly report pursuant to Section 13 or 15(d)

RECLASSIFICATION FROM ACCUMULATED OTHER COMPREHENSIVE INCOME INTO NET INCOME (Details)

v2.4.1.9
RECLASSIFICATION FROM ACCUMULATED OTHER COMPREHENSIVE INCOME INTO NET INCOME (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Net realized gain (loss) on securities    
Impairment $ (48)us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet  
Gain on settlement of real estate securities 1,043us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments 2,332us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
Gain on settlement of investments, net 1,015us-gaap_GainLossOnInvestments 2,334us-gaap_GainLossOnInvestments
Net realized gain (loss) on derivatives designated as cash flow hedges    
Interest Expense 16,727us-gaap_InterestExpense 22,170us-gaap_InterestExpense
Net realized gains (losses) on derivatives designated as cash flow hedges (689)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax (1,267)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Total reclassifications 5,149nct_RecognizedReclassifiedAccumulatedOtherComprehensiveIncomeToNetIncome 1,067nct_RecognizedReclassifiedAccumulatedOtherComprehensiveIncomeToNetIncome
Net Realized Gain (Loss) on Securities [Member]    
Net realized gain (loss) on securities    
Impairment (48)us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
 
Gain on settlement of real estate securities 5,886us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
2,334us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
Gain on settlement of investments, net 5,838us-gaap_GainLossOnInvestments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
2,334us-gaap_GainLossOnInvestments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
Amortization of Deferred Gain [Member]    
Net realized gain (loss) on derivatives designated as cash flow hedges    
Interest Expense 19us-gaap_InterestExpense
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= nct_ReclassificationOutOfAccumulatedOtherComprehensiveIncome1Member
13us-gaap_InterestExpense
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= nct_ReclassificationOutOfAccumulatedOtherComprehensiveIncome1Member
Realized Loss Reclassified Related to Effective Portion [Member]    
Net realized gain (loss) on derivatives designated as cash flow hedges    
Interest Expense $ 708us-gaap_InterestExpense
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= nct_ReclassificationOutOfAccumulatedOtherComprehensiveIncome2Member
$ (1,280)us-gaap_InterestExpense
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= nct_ReclassificationOutOfAccumulatedOtherComprehensiveIncome2Member