Annual report pursuant to Section 13 and 15(d)

DERIVATIVES - Schedule of fair value of derivatives financial instruments (Details)

v2.4.1.9
DERIVATIVES - Schedule of fair value of derivatives financial instruments (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Interest rate swaps [Member] | Designated as hedging instrument [Member]    
Fair Value of Derivatives $ 1,963us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember 		$ 6,203us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
Fair Value of Derivatives, Balance Sheet Location Accounts payable. accrued expenses and other liabilities Accounts payable, accrued expenses and other liabilities
Interest rate swaps [Member] | Not designated as hedging instrument [Member]    
Fair Value of Derivatives 334us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember 		7,592us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Fair Value of Derivatives, Balance Sheet Location Accounts payable. accrued expenses and other liabilities Accounts payable, accrued expenses and other liabilities
TBAs [Member] | Not designated as hedging instrument [Member]    
Fair Value of Derivatives 2,031us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_OtherContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember 		 
Fair Value of Derivatives, Balance Sheet Location Accounts payable, accrued expenses and other liabilities  
Linked Transactions [Member]    
Fair Value of Derivatives   43,662us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeByNatureAxis
= nct_LinkedTransactionDerivativeAssetMember
Fair Value of Derivatives, Balance Sheet Location   Receivables and other assets
Derivative Transactions [Member] | Liabilities [Member]    
Fair Value of Derivatives 4,328us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeByNatureAxis
= us-gaap_DerivativeMember
/ us-gaap_FairValueByLiabilityClassAxis
= us-gaap_LiabilityMember 		13,795us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeByNatureAxis
= us-gaap_DerivativeMember
/ us-gaap_FairValueByLiabilityClassAxis
= us-gaap_LiabilityMember
Derivative Transactions [Member] | Assets [Member]    
Fair Value of Derivatives   $ 43,662us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
/ us-gaap_DerivativeByNatureAxis
= us-gaap_DerivativeMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_AssetsMember