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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pcb_CommercialRealEstateLoansForInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pcb_CommercialRealEstateLoansForBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_MultifamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=pcb_CommercialAndIndustrialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pcb_OtherConsumerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Loans and Allowance for Credit Losses - Schedule of Loans Held-for-Investment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	$ 2,820,400	$ 2,629,387
Allowance for credit losses on loans	(33,381)	(30,628)	$ (27,533)	$ (24,942)
Net loans held-for-investment	2,787,019	2,598,759
Total commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	1,903,599	1,752,552
Total commercial real estate \| Commercial Property
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	1,071,396	940,931
Allowance for credit losses on loans	(9,348)	(12,923)	(12,665)	(8,502)
Total commercial real estate \| Business Property
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	638,063	595,547
Allowance for credit losses on loans	(4,347)	(3,967)	(4,739)	(5,749)
Total commercial real estate \| Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	175,579	194,220
Allowance for credit losses on loans	(1,282)	(2,371)	(1,441)	(1,134)
Total commercial real estate \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	18,561	21,854
Allowance for credit losses on loans	(123)	(81)	(135)	(151)
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	508,662	472,763
Allowance for credit losses on loans	(15,357)	(8,713)	(6,245)	(5,502)
Total consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	408,139	404,072
Total consumer \| Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	401,337	392,456
Allowance for credit losses on loans	(2,871)	(2,506)	(2,226)	(3,691)
Total consumer \| Other Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-investment	6,802	11,616
Allowance for credit losses on loans	$ (53)	$ (67)	$ (82)	$ (213)