XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Loans and Leases (Changes In Carrying Value Of Acquired Impaired Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 11, 2016 | Dec. 31, 2015 | Feb. 13, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Impaired Financing Receivable, Unpaid Principal Balance | $ 1,665,896 | $ 2,092,936 |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 950,516 | 1,186,498 |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | $ 35,416 |  | $ 154,496
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion | 21,398 | 25,067 |  |  |
Reductions for repayments, foreclosures and changes in carrying value, net of accretion | (61,443) | (113,516) |  |  |
Ending balance | 945,887 | $ 1,252,545 |  |  |
Loans on the Cost Recovery Method |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans on cost recovery method | 1,100 |  |  | $ 5,300 |
Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 593,614 |  |  |  |
Ending balance | 594,227 |  |  |  |
Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 356,902 |  |  |  |
Ending balance | 351,660 |  |  |  |
Construction and land development | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 33,880 |  |  |  |
Ending balance | 32,799 |  |  |  |
Mortgage | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 525,468 |  |  |  |
Ending balance | 526,776 |  |  |  |
Mortgage | Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 302,158 |  |  |  |
Ending balance | 298,662 |  |  |  |
Revolving mortgage | Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 52,471 |  |  |  |
Ending balance | 50,574 |  |  |  |
Other commercial real estate | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 17,076 |  |  |  |
Ending balance | 18,050 |  |  |  |
Commercial and industrial | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 15,182 |  |  |  |
Ending balance | 14,742 |  |  |  |
Consumer | Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 2,273 |  |  |  |
Ending balance | 2,424 |  |  |  |
North Milwaukee State Bank |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 35,416 |  |
North Milwaukee State Bank | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 28,375 |  |
North Milwaukee State Bank | Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 7,041 |  |
North Milwaukee State Bank | Construction and land development | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 139 |  |
North Milwaukee State Bank | Mortgage | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 25,237 |  |
North Milwaukee State Bank | Mortgage | Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 6,128 |  |
North Milwaukee State Bank | Revolving mortgage | Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 234 |  |
North Milwaukee State Bank | Other commercial real estate | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 1,479 |  |
North Milwaukee State Bank | Commercial and industrial | Commercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | 1,520 |  |
North Milwaukee State Bank | Consumer | Noncommercial |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value |  |  | $ 679 |  |
PCI Loans |  |  |  |  |
Carrying Value of Acquired Impaired Loans [Roll Forward] |  |  |  |  |
Beginning balance | 950,516 |  |  |  |
Ending balance | 945,887 |  |  |  |
Nonaccruing | $ 7,300 |  |  | $ 7,600 |

X
- Definition Carrying value of acquired impaired loans + References No definition available. + Details
Name: | fcnca_CarryingValueOfAcquiredImpairedLoans
Namespace Prefix: | fcnca_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying Value of Acquired Impaired Loans [Roll Forward] + References No definition available. + Details
Name: | fcnca_CarryingValueOfAcquiredImpairedLoansRollForward
Namespace Prefix: | fcnca_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reductions for repayments foreclosures and decreases in fair value + References No definition available. + Details
Name: | fcnca_ReductionsForRepaymentsForeclosuresAndDecreasesInFairValue
Namespace Prefix: | fcnca_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current period recognition due to accretion of the excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan for loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
Name: | us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
Name: | us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and other-than-temporary impairments), for loans accounted for as debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
Name: | us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesCarryingAmountNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References 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=49124121&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis=fcnca_LoansOnCostRecoveryMethodMember
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=fcnca_NoncommercialSegmentMember
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=us-gaap_MortgageReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fcnca_NorthMilwaukeeStateBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fcnca_LoanDesignationAxis=us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |