XML 13 R1.htm IDEA: XBRL DOCUMENT v3.25.4
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Feb. 28, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-38621    
Entity Registrant Name PCB Bancorp    
Entity Incorporation, State or Country Code CA    
Entity Tax Identification Number 20-8856755    
Entity Address, Address Line One 3701 Wilshire Boulevard    
Entity Address, Address Line Two Suite 900    
Entity Address, City or Town Los Angeles    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90010    
City Area Code 213    
Local Phone Number 210-2000    
Title of 12(b) Security Common Stock, No Par Value    
Trading Symbol PCB    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 225.1
Entity Common Stock, Shares Outstanding   14,225,579  
Documents Incorporated by Reference The information required in Part III, Items 10 through 14 are incorporated herein by reference to the registrant’s definitive proxy statement for the 2026 annual meeting of shareholders which will be filed with the Securities and Exchange Commission within 120 days of the registrant’s fiscal year end.    
Amendment Flag false    
Entity Central Index Key 0001423869    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY