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ORGANIZATION AND OPERATIONS (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
branch_office
Jul. 04, 2014
Jan. 24, 2014
Business Acquisition [Line Items]      
Number of branches provided with financial services 73crfn_NumberofBranchesProvidedwithFinancialServices    
Vantagesouth Bancshares, Inc. | Yadkin Financial Corporation      
Business Acquisition [Line Items]      
Stock exchange ratio   0.3125crfn_BusinessCombinationConversionofStockConversionRatio
/ us-gaap_BusinessAcquisitionAxis
= crfn_YadkinFinancialCorporationMember
/ dei_LegalEntityAxis
= crfn_VantagesouthBancsharesInc.Member		  
Piedmont Community Bank Holdings Inc | Yadkin Financial Corporation      
Business Acquisition [Line Items]      
Stock exchange ratio     6.28597crfn_BusinessCombinationConversionofStockConversionRatio
/ us-gaap_BusinessAcquisitionAxis
= crfn_YadkinFinancialCorporationMember
/ dei_LegalEntityAxis
= crfn_PiedmontCommunityBankHoldingsIncMember
Cash received per share   6.6878crfn_BusinessCombinationCashReceivedPerShare
/ us-gaap_BusinessAcquisitionAxis
= crfn_YadkinFinancialCorporationMember
/ dei_LegalEntityAxis
= crfn_PiedmontCommunityBankHoldingsIncMember