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pacw-20230331.htm Sheet http://xbrl.sec.gov/role/uncategorizedFacts Uncategorized Items - pacw-20230331.htm Cover 111 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept TreasuryStockShares in us-gaap/2021 used in 2 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. pacw-20230331.htm 4 [dq-0542-Deprecated-Concept] Concept TreasuryStockMember in us-gaap/2021 used in 6 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. pacw-20230331.htm 4 [dq-0542-Deprecated-Concept] Concept PledgedAssetsSeparatelyReportedSecuritiesPledgedAsCollateralAtFairValue in us-gaap/2021 used in 2 facts was deprecated in us-gaap/2022 as of 2022 and should not be used. pacw-20230331.htm 4 [dq-0542-Deprecated-Concept] Concept LoansPledgedAsCollateral in us-gaap/2021 used in 4 facts was deprecated in us-gaap/2022 as of 2022 and should not be used. pacw-20230331.htm 4 [dq-0542-Deprecated-Concept] Concept LondonInterbankOfferedRateLIBORMember in us-gaap/2021 used in 14 facts was deprecated in us-gaap/2023 as of 2023 and should not be used. pacw-20230331.htm 4 [dq-0542-Deprecated-Concept] Concept FairValueEquityLevel2ToLevel1TransfersDescription in us-gaap/2021 used in 2 facts was deprecated in us-gaap/2022 as of 2022 and should not be used. pacw-20230331.htm 4 [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 3 fact(s) appearing in ix:hidden were eligible for transformation: pacw:PreferredStockOwnershipInterestPercentage, pacw:Vestingperiodoftimebasedrestrictedstocklowerlimit, us-gaap:DebtInstrumentTerm - pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -1456000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i44e8c08fc39d48ed81739d4dd3c50926_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -20000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: ibbfeed8c471245c38bbb8c84346d1b42_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -53000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i0c3a34737dd74a709dae45c720e0aca3_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -16000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i2aca4c1aa34f4fe68cb8013e116f243a_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -557000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: ia0f26cbc09f34ade954355ecd6b50116_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -10000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i6dc6b61c8f5a4e52bc0db721b02f5657_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -63000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i0a1309b1888c4e1d86d55af1512d0284_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -20000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i985f12a9e0bc421493c7601b63dd1037_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -36000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: ia60d601df34f4bc09ae642da93fc5e95_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -300000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i91d9490ef5a44b12b4f301c0c8cc838c_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -557000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i204cdc4090884d5d9e5b1d2b9eef8393_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -1456000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i6df49fb77535424b920dd28d8f2dca06_I20230331, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -40000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: ie5f6bf7498af4b1d84b24daeeb0e13aa_I20221231, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -134000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i279ed7425efe4c33b08bacd4b46e137a_I20221231, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -40335000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: ie14db3ed3821497db65f5a23dfc282ed_I20221231, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -14000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: iaddca5a877e74cdbb83a45807b459cc2_I20221231, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -319000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i9b2b38a120dd4ef99747463168dfb68a_I20221231, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 [dqc-0015-Negative-Values] Fact us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome has a value of -3000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome fact are: Context: i34741255b45b4f33a5109bda9ef664d8_I20221231, Unit: usd, Rule Element Id: 3143. pacw-20230331.htm 4 pacw-20230331.htm a03312310-qexhibit311.htm a03312310-qexhibit312.htm a03312310-qexhibit321.htm a03312310-qexhibit322.htm a033123exhibit101.htm pacw-20230331.xsd pacw-20230331_cal.xml pacw-20230331_def.xml pacw-20230331_lab.xml pacw-20230331_pre.xml http://fasb.org/us-gaap/2021-01-31 http://xbrl.sec.gov/dei/2021q4 true true