v3.24.1.u1

Off-Balance Sheet Credit Exposures, Commitments and Other Contingencies - Outstanding Financial Commitments (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fixed Rate |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | $ 10,178 | $ 11,466
Fixed Rate | Unused lines of credit |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 8,586 | 2,808
Fixed Rate | Unfunded loan commitments |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 1,592 | 4,020
Fixed Rate | Standby letters of credit |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 0 | 4,638
Fixed Rate | Commercial letters of credit |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 0 | 0
Variable Rate |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 424,984 | 396,636
Variable Rate | Unused lines of credit |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 375,447 | 347,652
Variable Rate | Unfunded loan commitments |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 42,979 | 47,038
Variable Rate | Standby letters of credit |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | 6,423 | 1,786
Variable Rate | Commercial letters of credit |  |
Other Commitments [Line Items] |  |
Outstanding financial commitments whose contractual amount represents credit risk | $ 135 | $ 160

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=pcb_FixedRateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=us-gaap_UnusedLinesOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=us-gaap_UnfundedLoanCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=pcb_CommercialLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=pcb_VariableRateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |