XML 94 R81.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Loans - Schedule of Loan Modifications (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.20%
Financial Asset, Past Due |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | $ 0
Commercial and industrial |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Commercial and industrial | Financial Asset, Nonaccrual |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | $ 292,000
Commercial real estate |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.20%
Commercial real estate | Non-owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Commercial real estate | Owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.20%
Commercial real estate | Construction and land |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Commercial real estate | Multifamily |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Residential real estate |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Public finance |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Consumer |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Other |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
% of Total Class of Loans | 0.00%
Payment Delay |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | $ 292,000
Payment Delay | Commercial and industrial |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 292,000
Payment Delay | Commercial real estate |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Commercial real estate | Non-owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Commercial real estate | Owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Commercial real estate | Construction and land |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Commercial real estate | Multifamily |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Residential real estate |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Public finance |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Consumer |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Payment Delay | Other |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 1,145,000
Interest Rate Reduction | Commercial and industrial |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction | Commercial real estate |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 1,145,000
Interest Rate Reduction | Commercial real estate | Non-owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction | Commercial real estate | Owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 1,145,000
Interest Rate Reduction | Commercial real estate | Construction and land |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction | Commercial real estate | Multifamily |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction | Residential real estate |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction | Public finance |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction | Consumer |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | 0
Interest Rate Reduction | Other |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Total loans | $ 0

X
- Definition Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-33 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-34 + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=fcb_FinancialAssetNonaccrualMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_FinanceLeasesPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |