2.4.0.82405409 - Disclosure - LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 6)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$I2013Q2_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2012Q4_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2012-12-31T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse79370007937USD$falsetruefalse2truefalsefalse51300005130USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment2false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse8100081USD$falsefalsefalse2truefalsefalse4600046USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance3false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse92440009244USD$falsefalsefalse2truefalsefalse63310006331USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance4false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0With Related Allowance Recorded [Member]5false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse914000914USD$falsefalsefalse2truefalsefalse13810001381USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment6false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse5false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0With No Related Allowance Recorded [Member]7false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse70230007023USD$falsefalsefalse2truefalsefalse37490003749USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment8false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse7false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Non-Acquired Loans [Member]9false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse15870001587USD$falsefalsefalse2truefalsefalse10750001075USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment10false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse8100081USD$falsefalsefalse2truefalsefalse4200042USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance11false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse16680001668USD$falsefalsefalse2truefalsefalse11530001153USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance12false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse9false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Non-Acquired Loans [Member] | With Related Allowance Recorded [Member]13false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse914000914USD$falsefalsefalse2truefalsefalse769000769USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment14false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse11false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Non-Acquired Loans [Member] | With No Related Allowance Recorded [Member]15false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse673000673USD$falsefalsefalse2truefalsefalse306000306USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment16false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse13false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Acquired Loans [Member]17false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse63500006350USD$falsefalsefalse2truefalsefalse40550004055USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment18false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse40004USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance19false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse75760007576USD$falsefalsefalse2truefalsefalse51780005178USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance20false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse15false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Acquired Loans [Member] | With Related Allowance Recorded [Member]21false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse612000612USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment22false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse17false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Acquired Loans [Member] | With No Related Allowance Recorded [Member]23false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse63500006350USD$falsefalsefalse2truefalsefalse34430003443USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment24false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse19false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_CommercialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial Real Estate [Member] | Non-Acquired Loans [Member]25false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse488000488USD$falsefalsefalse2truefalsefalse514000514USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment26false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2100021USD$falsefalsefalse2truefalsefalse1400014USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance27false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse502000502USD$falsefalsefalse2truefalsefalse519000519USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance28false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse21false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_CommercialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial Real Estate [Member] | Non-Acquired Loans [Member] | With Related Allowance Recorded [Member]29false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse295000295USD$falsefalsefalse2truefalsefalse208000208USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment30false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse23false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_CommercialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial Real Estate [Member] | Non-Acquired Loans [Member] | With No Related Allowance Recorded [Member]31false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse193000193USD$falsefalsefalse2truefalsefalse306000306USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment32false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse25false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_CommercialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial Real Estate [Member] | Acquired Loans [Member]33false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse24010002401USD$falsefalsefalse2truefalsefalse11830001183USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment34false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance35false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse24010002401USD$falsefalsefalse2truefalsefalse11830001183USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance36false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse27false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_CommercialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial Real Estate [Member] | Acquired Loans [Member] | With Related Allowance Recorded [Member]37false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment38false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse29false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_CommercialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommercialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial Real Estate [Member] | Acquired Loans [Member] | With No Related Allowance Recorded [Member]39false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse24010002401USD$falsefalsefalse2truefalsefalse11830001183USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment40false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse31false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_CommercialAndIndustrialLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial and Industrial Loans [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_CommercialAndIndustrialLoansMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial and Industrial Loans [Member] | Acquired Loans [Member]41false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2100021USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment42false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance43false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2100021USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance44false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse32false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_CommercialAndIndustrialLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial and Industrial Loans [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_CommercialAndIndustrialLoansMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial and Industrial Loans [Member] | Acquired Loans [Member] | With Related Allowance Recorded [Member]45false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment46false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse33false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_CommercialAndIndustrialLoansMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCommercial and Industrial Loans [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_CommercialAndIndustrialLoansMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Commercial and Industrial Loans [Member] | Acquired Loans [Member] | With No Related Allowance Recorded [Member]47false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse2100021USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment48false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse34false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_ConstructionAndDevelopmentMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConstruction and Development [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_ConstructionAndDevelopmentMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Construction and Development [Member] | Non-Acquired Loans [Member]49false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse505000505USD$falsefalsefalse2truefalsefalse4000040USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment50false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse5100051USD$falsefalsefalse2truefalsefalse80008USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance51false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse505000505USD$falsefalsefalse2truefalsefalse7000070USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance52false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse36false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_ConstructionAndDevelopmentMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConstruction and Development [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_ConstructionAndDevelopmentMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Construction and Development [Member] | Non-Acquired Loans [Member] | With Related Allowance Recorded [Member]53false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse505000505USD$falsefalsefalse2truefalsefalse4000040USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment54false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse38false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_ConstructionAndDevelopmentMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConstruction and Development [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_ConstructionAndDevelopmentMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Construction and Development [Member] | Non-Acquired Loans [Member] | With No Related Allowance Recorded [Member]55false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment56false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse40false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_ConstructionAndDevelopmentMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConstruction and Development [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_ConstructionAndDevelopmentMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Construction and Development [Member] | Acquired Loans [Member]57false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse13170001317USD$falsefalsefalse2truefalsefalse375000375USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment58false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance59false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse13420001342USD$falsefalsefalse2truefalsefalse558000558USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance60false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse42false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_ConstructionAndDevelopmentMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConstruction and Development [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_ConstructionAndDevelopmentMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Construction and Development [Member] | Acquired Loans [Member] | With Related Allowance Recorded [Member]61false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment62false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse44false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_crfn_ConstructionAndDevelopmentMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConstruction and Development [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_ConstructionAndDevelopmentMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Construction and Development [Member] | Acquired Loans [Member] | With No Related Allowance Recorded [Member]63false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse13170001317USD$falsefalsefalse2truefalsefalse375000375USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment64false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse46false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ResidentialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidential Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Residential Real Estate [Member] | Non-Acquired Loans [Member]65false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse480000480USD$falsefalsefalse2truefalsefalse406000406USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment66false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse60006USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance67false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse547000547USD$falsefalsefalse2truefalsefalse449000449USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance68false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse48false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ResidentialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidential Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Residential Real Estate [Member] | Non-Acquired Loans [Member] | With Related Allowance Recorded [Member]69false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse406000406USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment70false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse50false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ResidentialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidential Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Residential Real Estate [Member] | Non-Acquired Loans [Member] | With No Related Allowance Recorded [Member]71false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse480000480USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment72false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse52false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ResidentialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidential Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Residential Real Estate [Member] | Acquired Loans [Member]73false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse763000763USD$falsefalsefalse2truefalsefalse10460001046USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment74false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse30003USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance75false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse822000822USD$falsefalsefalse2truefalsefalse11560001156USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance76false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse54false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ResidentialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidential Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Residential Real Estate [Member] | Acquired Loans [Member] | With Related Allowance Recorded [Member]77false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse350000350USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment78false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse56false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ResidentialRealEstateMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseResidential Real Estate [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ResidentialRealEstateMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Residential Real Estate [Member] | Acquired Loans [Member] | With No Related Allowance Recorded [Member]79false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse763000763USD$falsefalsefalse2truefalsefalse696000696USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment80false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse58false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_HomeEquityMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseHome Equity [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Home Equity [Member] | Non-Acquired Loans [Member]81false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse114000114USD$falsefalsefalse2truefalsefalse115000115USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment82false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse90009USD$falsefalsefalse2truefalsefalse1400014USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance83false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse114000114USD$falsefalsefalse2truefalsefalse115000115USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance84false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse60false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_HomeEquityMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseHome Equity [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Home Equity [Member] | Non-Acquired Loans [Member] | With Related Allowance Recorded [Member]85false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse114000114USD$falsefalsefalse2truefalsefalse115000115USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment86false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse62false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_HomeEquityMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseHome Equity [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Home Equity [Member] | Non-Acquired Loans [Member] | With No Related Allowance Recorded [Member]87false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment88false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse64false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_HomeEquityMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseHome Equity [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Home Equity [Member] | Acquired Loans [Member]89false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse17400001740USD$falsefalsefalse2truefalsefalse12270001227USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment90false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance91false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse27660002766USD$falsefalsefalse2truefalsefalse20570002057USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance92false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse66false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_HomeEquityMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseHome Equity [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Home Equity [Member] | Acquired Loans [Member] | With Related Allowance Recorded [Member]93false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse3800038USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment94false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse68false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_HomeEquityMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseHome Equity [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_HomeEquityMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Home Equity [Member] | Acquired Loans [Member] | With No Related Allowance Recorded [Member]95false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse17400001740USD$falsefalsefalse2truefalsefalse11890001189USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment96false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse70false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ConsumerLoanMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumer Loan [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Consumer Loan [Member] | Non-Acquired Loans [Member]97false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment98false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance99false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance100false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse72false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ConsumerLoanMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumer Loan [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Consumer Loan [Member] | Non-Acquired Loans [Member] | With Related Allowance Recorded [Member]101false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment102false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse74false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_NewLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ConsumerLoanMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumer Loan [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseNon-Acquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_NewLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Consumer Loan [Member] | Non-Acquired Loans [Member] | With No Related Allowance Recorded [Member]103false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment104false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse76false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ConsumerLoanMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumer Loan [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Consumer Loan [Member] | Acquired Loans [Member]105false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse108000108USD$falsefalsefalse2truefalsefalse224000224USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment106false 4us-gaap_ImpairedFinancingReceivableRelatedAllowanceus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse10001USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of allowance for credit losses related to recorded investment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Related Allowance107false 4us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalanceus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse224000224USD$falsefalsefalse2truefalsefalse224000224USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 false2Unpaid Principal Balance108false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse78false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ConsumerLoanMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumer Loan [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Consumer Loan [Member] | Acquired Loans [Member] | With Related Allowance Recorded [Member]109false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse224000224USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded Investment110false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse80false USDtruefalse$I2013Q2_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_crfn_WithNoRelatedAllowanceRecordedMember_us-gaap_LongtermDebtTypeAxis_crfn_LegacyLoansMember_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_ConsumerLoanMember_us-gaap_StatementScenarioAxis_us-gaap_SuccessorMemberhttp://www.sec.gov/CIK0001143921instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseConsumer Loan [Member]us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ConsumerLoanMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberfalsefalseSuccessor [Member]us-gaap_StatementScenarioAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SuccessorMemberus-gaap_StatementScenarioAxisexplicitMemberfalsefalseAcquired Loans [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_LegacyLoansMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseWith No Related Allowance Recorded [Member]us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisxbrldihttp://xbrl.org/2006/xbrldicrfn_WithNoRelatedAllowanceRecordedMemberus-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Consumer Loan [Member] | Acquired Loans [Member] | With No Related Allowance Recorded [Member]111false 4us-gaap_ImpairedFinancingReceivableRecordedInvestmentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse108000108USD$falsetruefalse2truefalsefalse00USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953550-111524 false2Recorded InvestmentfalseLOANS AND ALLOWANCE FOR LOAN LOSSES (Details 6) (Successor [Member], USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.crescentstatebank.com/role/LoansAndAllowanceForLoanLossesDetails62111