Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVES - Schedule of gains (losses) recorded in relation to derivatives (Details 1)

v2.4.1.9
DERIVATIVES - Schedule of gains (losses) recorded in relation to derivatives (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Cash flow hedges    
Cash flow hedge income statement location - reclassifications   Interest expense
Deferred hedge gain (loss) reclassified from AOCI into earnings $ 19nct_DeferredHedgeGainLossReclassifiedFromAOCIIntoEarnings $ 13nct_DeferredHedgeGainLossReclassifiedFromAOCIIntoEarnings
Amount of loss reclassified from AOCI into income (effective portion) (708)us-gaap_DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion (1,280)us-gaap_DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion
Non-hedge income statement location   Other income (loss)
Gain recognized related to interest rate swaps 292us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments 2,075us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments
Gain (loss) on settlement of TBAs (4,871)nct_SettlementOfTBAs  
Amount of unrealized gain (loss) recognized in OCI on derivatives (effective portion) (33)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet (77)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
TBAs [Member]    
Cash flow hedges    
Non-hedge income statement location Gain (loss) on settlement investments, net  
Gain (loss) on settlement of TBAs (4,871)nct_SettlementOfTBAs
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_OtherContractMember
 
TBAs [Member] | Not designated as hedging instrument [Member]    
Cash flow hedges    
Non-hedge income statement location Other income (loss)  
Gain recognized related to non-hedge (1,321)us-gaap_GainLossOnSaleOfDerivatives
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_OtherContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
 
Linked Transactions [Member]    
Cash flow hedges    
Non-hedge income statement location   Other income (loss)
Gain recognized related to non-hedge   $ 10,673us-gaap_GainLossOnSaleOfDerivatives
/ us-gaap_DerivativeByNatureAxis
= nct_LinkedTransactionDerivativeAssetMember