Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details 5)

v2.4.1.9
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Restricted Cash (Details 5) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Restricted cash $ 15,714us-gaap_RestrictedCashAndCashEquivalents $ 5,856us-gaap_RestrictedCashAndCashEquivalents
CDO Bond Sinking Fund [Member]    
Restricted cash 11,497us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= us-gaap_CashMember 		1,902us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= us-gaap_CashMember
CDO Trustee Accounts [Member]    
Restricted cash 293us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= nct_Cash1Member 		442us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= nct_Cash1Member
Derivative Margin Accounts [Member]    
Restricted cash 877us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= nct_Cash2Member 		 
Collateral for Golf Lease Obligations [Member]    
Restricted cash $ 3,047us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= nct_Cash3Member 		$ 3,512us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis
= nct_Cash3Member