| Component: (Network and Table) | |
|---|---|
| Network | 2409405 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Estimated Future Amortization Expense (Detail) (http://www.bancofcal.com/role/GoodwillAndOtherIntangibleAssetsNetEstimatedFutureAmortizationExpenseDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001169770 (http://www.sec.gov/CIK) |
| Goodwill and Intangible Assets Disclosure [Abstract] | Period [Axis] |
|---|---|
2016-12-31 | |
Goodwill and Intangible Assets Disclosure [Abstract] | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 and After | |
Net Carrying Value | 13,527,000 |