Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE - Outstanding Options Summary (Details 1)

v2.4.1.9
EQUITY AND EARNINGS PER SHARE - Outstanding Options Summary (Details 1) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Stock options outstanding 5,445,600us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions  
Strike Price $ 4.15us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice $ 4.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Issued Prior to 2011 [Member]    
Stock options outstanding 144,994us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_AwardDateAxis
= nct_IssuedPriorTo2011Member
 
Strike Price $ 14.62us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardDateAxis
= nct_IssuedPriorTo2011Member
 
Issued in 2011 and Thereafter [Member]    
Stock options outstanding 5,300,606us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_AwardDateAxis
= nct_IssuedAfter2011Member
 
Strike Price $ 3.86us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
/ us-gaap_AwardDateAxis
= nct_IssuedAfter2011Member
 
Manager [Member]    
Stock options outstanding 4,948,440us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ManagementMember
 
Manager [Member] | Issued Prior to 2011 [Member]    
Stock options outstanding 114,479us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_AwardDateAxis
= nct_IssuedPriorTo2011Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ManagementMember
 
Manager [Member] | Issued in 2011 and Thereafter [Member]    
Stock options outstanding 4,833,961us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_AwardDateAxis
= nct_IssuedAfter2011Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ManagementMember
 
Employees of Fortress [Member]    
Stock options outstanding 496,827us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nct_ManagementEmployeesMember
 
Employees of Fortress [Member] | Issued Prior to 2011 [Member]    
Stock options outstanding 30,182us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_AwardDateAxis
= nct_IssuedPriorTo2011Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nct_ManagementEmployeesMember
 
Employees of Fortress [Member] | Issued in 2011 and Thereafter [Member]    
Stock options outstanding 466,645us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_AwardDateAxis
= nct_IssuedAfter2011Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nct_ManagementEmployeesMember
 
Directors [Member]    
Stock options outstanding 333us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
 
Directors [Member] | Issued Prior to 2011 [Member]    
Stock options outstanding 333us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_AwardDateAxis
= nct_IssuedPriorTo2011Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember