XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.20.2

Loans and Leases (Purchased Loans and Leases) (Details) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 USD ($)
Business Acquisition [Line Items] |
Initial PCD allowance | $ 1,193
Discount | 1,055
Community Financial |
Business Acquisition [Line Items] |
Contractually required payments | 25,635
Initial PCD allowance | 1,193
Fair value at acquisition date | 23,387
Non-PCD loans purchased | 110,602
Commercial | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 81,109
Consumer | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 29,493
Construction and land development | Commercial |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Construction and land development | Commercial | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 9,428
Construction and land development | Consumer |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Construction and land development | Consumer | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 5,254
Owner occupied commercial mortgage | Commercial |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Owner occupied commercial mortgage | Commercial | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 31,473
Non-owner occupied commercial mortgage | Commercial |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Non-owner occupied commercial mortgage | Commercial | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 25,143
Commercial and industrial | Commercial |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Commercial and industrial | Commercial | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 15,065
Residential mortgage | Consumer |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Residential mortgage | Consumer | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 21,168
Revolving mortgage | Consumer |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Revolving mortgage | Consumer | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 2,084
Consumer auto | Consumer |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Consumer auto | Consumer | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | 294
Consumer other | Consumer |
Business Acquisition [Line Items] |
Initial PCD allowance | 0
Consumer other | Consumer | Community Financial |
Business Acquisition [Line Items] |
Non-PCD loans purchased | $ 693

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 19 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919265-210447 + Details
Name: | us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount at par value of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 19 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919265-210447 + Details
Name: | us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount at purchase price of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 19 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919265-210447 + Details
Name: | us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtPurchasePrice
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 19 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919265-210447 + Details
Name: | us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationDiscountPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase from purchase of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 11 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919244-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableSignificantPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fcnca_CommunityFinancialHoldingCo.Inc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcnca_MortgageReceivableOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcnca_MortgageReceivableNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcnca_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcnca_RevolvingMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcnca_ConsumerAutoLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=fcnca_ConsumerLoanOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |