SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Accounting Policies [Abstract]
Quantitative threshold for impairment evaluation	$ 200

Loans and Leases Receivable, Allowance, Quantitative Threshold for Impairment Evaluation

No definition available.

Name:	crfn_LoansAndLeasesReceivableAllowanceQuantitativeThresholdForImpairmentEvaluation
Namespace Prefix:	crfn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant