v3.26.1
Regulatory Capital Matters - Additional Information (Details)
Jun. 30, 2026
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
Capital conservation buffer
2.50%
X
- Definition
Risk-weighted assets, capital conservation buffer percentage.
+ References
No definition available.
+ Details
Name:
opbk_RiskWeightedAssetsCapitalConservationBufferPercentage
Namespace Prefix:
opbk_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
srt_RegulatoryCapitalRequirementsAbstract
Namespace Prefix:
srt_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration