XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Commitments and Contingencies (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Distribution of Undisbursed Loan Commitments | The following table presents the distribution of undisbursed credit-related commitments as of June 30, 2024 and December 31, 2023:
($ in thousands) |  | June 30, 2024 |  | December 31, 2023
Loan commitments |  | $ | 222,358 |  |  | $ | 257,626 |
Standby letter of credit |  | 19,789 |  |  | 6,707 |
Commercial letter of credit |  | 116 |  |  | 22 |
Total undisbursed credit related commitments |  | $ | 242,263 |  |  | $ | 264,355 |
Schedule of Balance and Total Unfunded Commitments Related to Investment in Low Income Housing Partnerships | The following table shows the balance of the investments in low-income housing partnerships and the total unfunded commitments related to the investments in low-income housing partnerships as of June 30, 2024 and December 31, 2023:
($ in thousands) |  | June 30, 2024 |  | December 31, 2023
Investments in low-income housing partnerships |  | $ | 15,852 |  |  | $ | 16,887 |
Unfunded commitments to fund investments for low-income housing partnerships |  | 9,349 |  |  | 11,905 |

X
- Definition Schedule of balance and total unfunded commitments related to investment in low income housing partnerships. + References No definition available. + Details
Name: | opbk_ScheduleOfBalanceAndTotalUnfundedCommitmentsRelatedToInvestmentInLowIncomeHousingPartnershipsTableTableTextBlock
Namespace Prefix: | opbk_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined) which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 + Details
Name: | us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration