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

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_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: