Annual report pursuant to Section 13 and 15(d)

ORGANIZATION (Details Narrative)

v2.4.1.9
ORGANIZATION (Details Narrative) (USD $)
12 Months Ended
Dec. 31, 2014
Nov. 07, 2014
Nov. 06, 2014
Feb. 14, 2014
Feb. 13, 2014
Dec. 31, 2013
May 16, 2013
May 15, 2013
REIT distribution threshold for nontaxation 90.00%nct_REITThresholdIncomeTax         90.00%nct_REITThresholdIncomeTax    
Reverse stock-split ratio 0.167us-gaap_StockholdersEquityNoteStockSplitConversionRatio1              
Shares held by Fortress and affiliates in Newcastle 1,100,000nct_FortressDirectIndirectSharesNewcastle         6,400,000nct_FortressDirectIndirectSharesNewcastle    
Stock options outstanding 5,500,599us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions         5,090,427us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions    
Share price $ 4.49us-gaap_SharePrice $ 4.00us-gaap_SharePrice $ 23.53us-gaap_SharePrice $ 29.88us-gaap_SharePrice $ 34.50us-gaap_SharePrice   $ 34.74us-gaap_SharePrice $ 73.98us-gaap_SharePrice
Affiliates [Member]                
Stock options outstanding 4,991,752us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_AffiliatedEntityMember
             
New Media Spin-Off [Member]                
Spin-off distribution ratio         0.0722nct_SpinOffShares
/ dei_LegalEntityAxis
= nct_NewMediaMember
     
New Senior Spin-Off [Member]                
Spin-off distribution ratio     1.00nct_SpinOffShares
/ dei_LegalEntityAxis
= nct_NewSeniorMember