$BANC
BANC OF CALIFORNIA, INC. Stock $banc

$banc Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000116977021000009 Filed on February 26, 2021

Income Statement

Concept	2019 Q4	2018	2017 Q4
Revenue	$83.70M	$422.8M	$97.16M
YoY Change	-24.68%	8.63%	-2.58%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$9.100M	$10.88M	$3.700M
YoY Change	167.65%	-12.45%	-13.95%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$27.04M	$136.7M	$23.98M
YoY Change	-33.14%	60.85%	42.77%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$17.08M	$46.99M	$7.434M
YoY Change	1.04%	74.73%	-66.14%
Income Tax	$2.811M	$4.844M	-$3.418M
% Of Pretax Income	16.45%	10.31%	-45.98%
Net Earnings	$14.27M	$45.47M	$11.30M
YoY Change	29.3%	-21.2%	-66.02%
Net Earnings / Revenue	17.05%	10.76%	11.63%
Basic Earnings Per Share		$0.45
Diluted Earnings Per Share	$283.2K	$0.45	$222.4K
COMMON SHARES
Basic Shares Outstanding		50.62M shares
Diluted Shares Outstanding		50.85M shares

Balance Sheet

Concept	2019 Q4	2018	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$373.5M		$387.7M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$128.0M	$129.0M	$135.7M
YoY Change	-1.06%	-5.15%	-3.7%
Goodwill	$37.14M		$37.14M
YoY Change	0.0%		-5.35%
Intangibles	$4.151M		$9.353M
YoY Change	-34.59%		-31.31%
Long-Term Investments	$29.30M		$48.83M
YoY Change	1.08%
Other Assets	$45.00M	$69.00M	$70.00M
YoY Change	-34.78%	-1.43%	600.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$7.828B	$10.63B	$10.33B
YoY Change	-26.36%	2.92%	-6.36%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$116.0M	$72.00M	$141.0M
YoY Change	61.11%	-48.94%	21.55%
Deferred Revenue
YoY Change
Short-Term Debt	$6.000M	$3.000M	$6.000M
YoY Change	100.0%	-50.0%	-92.11%
Long-Term Debt Due	$0.00	$0.00	$9.000M
YoY Change		-100.0%	-25.0%
Total Short-Term Liabilities	$116.0M	$72.00M	$150.0M
YoY Change	61.11%	-52.0%	17.19%
LONG-TERM LIABILITIES
Long-Term Debt	$173.0M	$173.0M	$164.0M
YoY Change	0.0%	5.49%	0.61%
Other Long-Term Liabilities	$4.000M	$0.00	$8.000M
YoY Change		-100.0%	-84.0%
Total Long-Term Liabilities	$177.0M	$173.0M	$172.0M
YoY Change	2.31%	0.58%	-19.25%
TOTAL LIABILITIES
Total Short-Term Liabilities	$116.0M	$72.00M	$150.0M
Total Long-Term Liabilities	$177.0M	$173.0M	$172.0M
Total Liabilities	$6.921B	$9.685B	$9.316B
YoY Change	-28.53%	3.96%	-7.3%
SHAREHOLDERS EQUITY
Retained Earnings	$127.7M		$144.8M
YoY Change	-9.38%		7.67%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$28.79M		$28.79M
YoY Change	0.0%		-0.98%
Treasury Stock Shares	1.583M shares		1.583M shares
Shareholders Equity	$907.2M	$946.0M	$1.012B
YoY Change
Total Liabilities & Shareholders Equity	$7.828B	$10.63B	$10.33B
YoY Change	-26.36%	2.92%	-6.36%

Cashflow Statement

Concept	2019 Q4	2018	2017 Q4
OPERATING ACTIVITIES
Net Income	$14.27M	$45.47M	$11.30M
YoY Change	29.3%	-21.2%	-66.02%
Depreciation, Depletion And Amortization	$9.100M	$10.88M	$3.700M
YoY Change	167.65%	-12.45%	-13.95%
Cash From Operating Activities	$20.20M	$123.0M	$52.20M
YoY Change	-23.77%	-78.15%	-68.0%
INVESTING ACTIVITIES
Capital Expenditures	$11.90M	$9.001M	-$2.200M
YoY Change	-893.33%	-41.26%	-84.17%
Acquisitions
YoY Change
Other Investing Activities	$619.3M	-$460.7M	-$339.3M
YoY Change	-258.79%	-375.54%	-362.82%
Cash From Investing Activities	$631.2M	-$469.7M	-$341.5M
YoY Change	-261.23%	-409.33%	-396.18%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$0.00
YoY Change
Debt Paid & Issued, Net		$0.00
YoY Change
Cash From Financing Activities	-804.8M	$350.6M	65.20M
YoY Change	-309.42%	-145.73%	-130.84%
NET CHANGE
Cash From Operating Activities	20.20M	$123.0M	52.20M
Cash From Investing Activities	631.2M	-$469.7M	-341.5M
Cash From Financing Activities	-804.8M	$350.6M	65.20M
Net Change In Cash	-153.4M	$3.893M	-224.1M
YoY Change	-894.82%	-107.51%	-434.48%
FREE CASH FLOW
Cash From Operating Activities	$20.20M	$123.0M	$52.20M
Capital Expenditures	$11.90M	$9.001M	-$2.200M
Free Cash Flow	$8.300M	$114.0M	$54.40M
YoY Change	-70.36%	-79.18%	-69.27%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-35522
CY2020	dei	Entity Registrant Name EntityRegistrantName	BANC OF CALIFORNIA, INC.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-3639825
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	3 MacArthur Place,
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Santa Ana,
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
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CY2020	dei	City Area Code CityAreaCode	855
CY2020	dei	Local Phone Number LocalPhoneNumber	361-2262
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CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2019	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	-1694000	USD
CY2018	us-gaap	Variable Interest Entity Activity Between Vie And Entity Income Or Loss Before Tax VariableInterestEntityActivityBetweenVIEAndEntityIncomeOrLossBeforeTax	-5044000	USD
CY2020	banc	Provisionfor Loan Repurchases Initial Estimateof Loss ProvisionforLoanRepurchasesInitialEstimateofLoss	-697000	USD
CY2019	banc	Provisionfor Loan Repurchases Initial Estimateof Loss ProvisionforLoanRepurchasesInitialEstimateofLoss	-660000	USD
CY2018	banc	Provisionfor Loan Repurchases Initial Estimateof Loss ProvisionforLoanRepurchasesInitialEstimateofLoss	-2488000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1518000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2195000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3007000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	4263000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	4431000	USD
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	17295000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	16992000	USD
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	19119000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	199033000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	196472000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	231879000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14360000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27978000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	46991000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1786000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4219000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4844000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	12574000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	23759000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	42147000	USD
CY2020	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	0	USD
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	0	USD
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	4596000	USD
CY2020	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2018	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	1271000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	3325000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	12574000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	23759000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	45472000	USD
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	13869000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	15559000	USD
CY2018	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	19504000	USD
CY2020	banc	Distributed Earnings Loss Allocatedto Participating Securities Basic DistributedEarningsLossAllocatedtoParticipatingSecuritiesBasic	376000	USD
CY2019	banc	Distributed Earnings Loss Allocatedto Participating Securities Basic DistributedEarningsLossAllocatedtoParticipatingSecuritiesBasic	483000	USD
CY2018	banc	Distributed Earnings Loss Allocatedto Participating Securities Basic DistributedEarningsLossAllocatedtoParticipatingSecuritiesBasic	811000	USD
CY2020	banc	Preferred Stock Redemption Premium Discount PreferredStockRedemptionPremiumDiscount	-568000	USD
CY2019	banc	Preferred Stock Redemption Premium Discount PreferredStockRedemptionPremiumDiscount	5093000	USD
CY2018	banc	Preferred Stock Redemption Premium Discount PreferredStockRedemptionPremiumDiscount	2307000	USD
CY2020	banc	Net Income Loss Available To Common Stockholders Including Undistributedand Distributed Earnings Basic NetIncomeLossAvailableToCommonStockholdersIncludingUndistributedandDistributedEarningsBasic	-1103000	USD
CY2019	banc	Net Income Loss Available To Common Stockholders Including Undistributedand Distributed Earnings Basic NetIncomeLossAvailableToCommonStockholdersIncludingUndistributedandDistributedEarningsBasic	2624000	USD
CY2018	banc	Net Income Loss Available To Common Stockholders Including Undistributedand Distributed Earnings Basic NetIncomeLossAvailableToCommonStockholdersIncludingUndistributedandDistributedEarningsBasic	22850000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	12574000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	23759000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	45472000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	21064000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8285000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-28230000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	1418000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3426000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	3906000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax	506000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax	2296000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	19646000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	12217000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-29840000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	32220000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	35976000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15632000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1012308000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	45472000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-29840000	USD
CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	USD
CY2018	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	40250000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	6565000	USD
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2366000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	53000	USD
CY2018	banc	Dividends Stock Appreciation Rights DividendsStockAppreciationRights	811000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	25987000	USD
CY2018	us-gaap	Dividends Preferred Stock DividendsPreferredStock	19504000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	945534000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	23759000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	12217000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	USD
CY2019	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	46396000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	5039000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1023000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	99000	USD
CY2019	banc	Dividends Stock Appreciation Rights DividendsStockAppreciationRights	483000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.31
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	15744000	USD
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	15559000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	907245000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	907245000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	12574000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	19646000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	12041000	USD
CY2020	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	4379000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	5781000	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	923000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	101000	USD
CY2020	banc	Dividends Stock Appreciation Rights DividendsStockAppreciationRights	376000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	11847000	USD
CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	13869000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	897207000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	12574000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	23759000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	45472000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	29719000	USD
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	35829000	USD
CY2018	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	31121000	USD
CY2020	banc	Provisionfor Loan Repurchases Initial Estimateof Loss ProvisionforLoanRepurchasesInitialEstimateofLoss	-697000	USD
CY2019	banc	Provisionfor Loan Repurchases Initial Estimateof Loss ProvisionforLoanRepurchasesInitialEstimateofLoss	-660000	USD
CY2018	banc	Provisionfor Loan Repurchases Initial Estimateof Loss ProvisionforLoanRepurchasesInitialEstimateofLoss	-2488000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	16298000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	16427000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10878000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1518000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2195000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3007000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	972000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	247000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	233000	USD
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1145000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-783000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1213000	USD
CY2020	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	731000	USD
CY2018	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3252000	USD
CY2020	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	2938000	USD
CY2019	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	-916000	USD
CY2018	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	612000	USD
CY2020	banc	Amortizationof Discountor Premiumon Purchased Loans AmortizationofDiscountorPremiumonPurchasedLoans	517000	USD
CY2019	banc	Amortizationof Discountor Premiumon Purchased Loans AmortizationofDiscountorPremiumonPurchasedLoans	365000	USD
CY2018	banc	Amortizationof Discountor Premiumon Purchased Loans AmortizationofDiscountorPremiumonPurchasedLoans	637000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	6669000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2515000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-9259000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-622000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-5911000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2489000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2292000	USD
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2176000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	5781000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	5039000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	6565000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-200000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-8964000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-4888000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-5214000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-5044000	USD
CY2020	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	512000	USD
CY2019	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	1481000	USD
CY2018	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	1975000	USD
CY2020	banc	Gain Loss On Mortgage Banking Activities GainLossOnMortgageBankingActivities	0	USD
CY2019	banc	Gain Loss On Mortgage Banking Activities GainLossOnMortgageBankingActivities	0	USD
CY2018	banc	Gain Loss On Mortgage Banking Activities GainLossOnMortgageBankingActivities	428000	USD
CY2020	banc	Loans Held For Sale Fair Value Adjustment LoansHeldForSaleFairValueAdjustment	-1501000	USD
CY2019	banc	Loans Held For Sale Fair Value Adjustment LoansHeldForSaleFairValueAdjustment	106000	USD
CY2018	banc	Loans Held For Sale Fair Value Adjustment LoansHeldForSaleFairValueAdjustment	0	USD
CY2020	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	245000	USD
CY2019	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	7766000	USD
CY2018	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1932000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2011000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-4852000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	5532000	USD
CY2020	banc	Gain Loss From Change Of Fair Value On Mortgage Servicing Rights GainLossFromChangeOfFairValueOnMortgageServicingRights	0	USD
CY2019	banc	Gain Loss From Change Of Fair Value On Mortgage Servicing Rights GainLossFromChangeOfFairValueOnMortgageServicingRights	0	USD
CY2018	banc	Gain Loss From Change Of Fair Value On Mortgage Servicing Rights GainLossFromChangeOfFairValueOnMortgageServicingRights	-1533000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-188000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-67000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1741000	USD
CY2020	banc	Gain Lossfrom Saleof Mortgage Servicing R Ights Msr GainLossfromSaleofMortgageServicingRIghtsMSR	0	USD
CY2019	banc	Gain Lossfrom Saleof Mortgage Servicing R Ights Msr GainLossfromSaleofMortgageServicingRIghtsMSR	0	USD
CY2018	banc	Gain Lossfrom Saleof Mortgage Servicing R Ights Msr GainLossfromSaleofMortgageServicingRIghtsMSR	-2260000	USD
CY2020	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	0	USD
CY2019	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	0	USD
CY2018	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	1439000	USD
CY2020	banc	Paymentsfor Repurchaseof Mortgage Loans PaymentsforRepurchaseofMortgageLoans	0	USD
CY2019	banc	Paymentsfor Repurchaseof Mortgage Loans PaymentsforRepurchaseofMortgageLoans	1929000	USD
CY2018	banc	Paymentsfor Repurchaseof Mortgage Loans PaymentsforRepurchaseofMortgageLoans	12666000	USD
CY2020	banc	Paymentsfor Originationof Other Loans Heldforsale PaymentsforOriginationofOtherLoansHeldforsale	0	USD
CY2019	banc	Paymentsfor Originationof Other Loans Heldforsale PaymentsforOriginationofOtherLoansHeldforsale	0	USD
CY2018	banc	Paymentsfor Originationof Other Loans Heldforsale PaymentsforOriginationofOtherLoansHeldforsale	5839000	USD
CY2020	banc	Proceedsfrom Saleand Collectionof Mortgage Loans Heldforsale ProceedsfromSaleandCollectionofMortgageLoansHeldforsale	19325000	USD
CY2019	banc	Proceedsfrom Saleand Collectionof Mortgage Loans Heldforsale ProceedsfromSaleandCollectionofMortgageLoansHeldforsale	6210000	USD
CY2018	banc	Proceedsfrom Saleand Collectionof Mortgage Loans Heldforsale ProceedsfromSaleandCollectionofMortgageLoansHeldforsale	25216000	USD
CY2020	banc	Proceedsfrom Saleand Collectionof Other Loans Heldforsale ProceedsfromSaleandCollectionofOtherLoansHeldforsale	0	USD
CY2019	banc	Proceedsfrom Saleand Collectionof Other Loans Heldforsale ProceedsfromSaleandCollectionofOtherLoansHeldforsale	426000	USD
CY2018	banc	Proceedsfrom Saleand Collectionof Other Loans Heldforsale ProceedsfromSaleandCollectionofOtherLoansHeldforsale	7037000	USD
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-17217000	USD
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	15447000	USD
CY2018	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-24860000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-28004000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-3698000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-5262000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	74862000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	80255000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	123003000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	22729000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1196498000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	417870000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	46100000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	53090000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	607601000	USD
CY2020	banc	Proceedsfrom Principal Repaymentsof Availableforsale Securities ProceedsfromPrincipalRepaymentsofAvailableforsaleSecurities	12132000	USD
CY2019	banc	Proceedsfrom Principal Repaymentsof Availableforsale Securities ProceedsfromPrincipalRepaymentsofAvailableforsaleSecurities	36541000	USD
CY2018	banc	Proceedsfrom Principal Repaymentsof Availableforsale Securities ProceedsfromPrincipalRepaymentsofAvailableforsaleSecurities	43378000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	371092000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	195258000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	521575000	USD
CY2020	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2019	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	500000	USD
CY2018	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2020	banc	Payments Proceedsfrom Loanand Lease Originationsand Principal Collections PaymentsProceedsfromLoanandLeaseOriginationsandPrincipalCollections	-327554000	USD
CY2019	banc	Payments Proceedsfrom Loanand Lease Originationsand Principal Collections PaymentsProceedsfromLoanandLeaseOriginationsandPrincipalCollections	-573490000	USD
CY2018	banc	Payments Proceedsfrom Loanand Lease Originationsand Principal Collections PaymentsProceedsfromLoanandLeaseOriginationsandPrincipalCollections	1374702000	USD
CY2020	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	285337000	USD
CY2019	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	0	USD
CY2018	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	59481000	USD
CY2020	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	24296000	USD
CY2019	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	82835000	USD
CY2018	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	66710000	USD
CY2020	banc	Paymentsto Acquire Proceeds From Federal Home Loan Bank Stockand Other Bank Stocks PaymentstoAcquireProceedsFromFederalHomeLoanBankStockandOtherBankStocks	9382000	USD
CY2019	banc	Paymentsto Acquire Proceeds From Federal Home Loan Bank Stockand Other Bank Stocks PaymentstoAcquireProceedsFromFederalHomeLoanBankStockandOtherBankStocks	74161000	USD
CY2018	banc	Paymentsto Acquire Proceeds From Federal Home Loan Bank Stockand Other Bank Stocks PaymentstoAcquireProceedsFromFederalHomeLoanBankStockandOtherBankStocks	59150000	USD
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	1146562000	USD
CY2018	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	376837000	USD
CY2020	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	1078000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	843000	USD
CY2018	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	1795000	USD
CY2020	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	0	USD
CY2019	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	0	USD
CY2018	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	30056000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4193000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5092000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10478000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9001000	USD
CY2020	banc	Repaymentsof Capital Lease Obligations Investing Activity RepaymentsofCapitalLeaseObligationsInvestingActivity	532000	USD
CY2018	us-gaap	Increase Decrease In Loans From Other Federal Home Loan Banks IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks	-430000000	USD
CY2019	banc	Repaymentsof Capital Lease Obligations Investing Activity RepaymentsofCapitalLeaseObligationsInvestingActivity	574000	USD
CY2018	banc	Repaymentsof Capital Lease Obligations Investing Activity RepaymentsofCapitalLeaseObligationsInvestingActivity	463000	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	27832000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	14800000	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	6361000	USD
CY2020	banc	Payments To Acquire Proceeds From Cost Method Investments PaymentsToAcquireProceedsFromCostMethodInvestments	1537000	USD
CY2019	banc	Payments To Acquire Proceeds From Cost Method Investments PaymentsToAcquireProceedsFromCostMethodInvestments	-1219000	USD
CY2018	banc	Payments To Acquire Proceeds From Cost Method Investments PaymentsToAcquireProceedsFromCostMethodInvestments	-12547000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-266915000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	2795307000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-469746000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	658633000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-2489477000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	623741000	USD
CY2020	us-gaap	Increase Decrease In Loans From Other Federal Home Loan Banks IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks	-425000000	USD
CY2019	us-gaap	Increase Decrease In Loans From Other Federal Home Loan Banks IncreaseDecreaseInLoansFromOtherFederalHomeLoanBanks	-200000000	USD
CY2020	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	335000000	USD
CY2019	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	125000000	USD
CY2018	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	125000000	USD
CY2020	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	111000000	USD
CY2019	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
CY2018	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	380000000	USD
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	9368000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	82570000	USD
CY2019	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2020	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	4379000	USD
CY2019	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	46396000	USD
CY2018	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	40250000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12041000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	923000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1023000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2366000	USD
CY2020	banc	Paymentsof Ordinary Dividends Stock Appreciation Rights PaymentsofOrdinaryDividendsStockAppreciationRights	376000	USD
CY2019	banc	Paymentsof Ordinary Dividends Stock Appreciation Rights PaymentsofOrdinaryDividendsStockAppreciationRights	483000	USD
CY2018	banc	Paymentsof Ordinary Dividends Stock Appreciation Rights PaymentsofOrdinaryDividendsStockAppreciationRights	810000	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	13869000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	15559000	USD
CY2018	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	21954000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	11847000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	15744000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	32725000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	39400000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2893682000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	350636000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-152653000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-18120000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3893000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	373472000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	391592000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	387699000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220819000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	373472000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	391592000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	66014000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	151508000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	130793000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	762000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	2924000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	8324000	USD
CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	0	USD
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	202000	USD
CY2018	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	4532000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1116000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	276000	USD
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	672000	USD
CY2020	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
CY2019	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	1139597000	USD
CY2018	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	376995000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	30000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	76000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	82000	USD
CY2020	banc	Noncash Transaction Reclassification Of Stranded Tax Effects To Retained Earnings NoncashTransactionReclassificationOfStrandedTaxEffectsToRetainedEarnings	0	USD
CY2019	banc	Noncash Transaction Reclassification Of Stranded Tax Effects To Retained Earnings NoncashTransactionReclassificationOfStrandedTaxEffectsToRetainedEarnings	0	USD
CY2018	banc	Noncash Transaction Reclassification Of Stranded Tax Effects To Retained Earnings NoncashTransactionReclassificationOfStrandedTaxEffectsToRetainedEarnings	496000	USD
CY2020	banc	Lessee Rightof Use Asset Recognized LesseeRightofUseAssetRecognized	3289000	USD
CY2019	banc	Lessee Rightof Use Asset Recognized LesseeRightofUseAssetRecognized	28664000	USD
CY2020	banc	Lessee Operating Lease Liability Recognized LesseeOperatingLeaseLiabilityRecognized	3289000	USD
CY2019	banc	Lessee Operating Lease Liability Recognized LesseeOperatingLeaseLiabilityRecognized	30065000	USD
CY2020	banc	Number Of Banking Offices NumberOfBankingOffices	29	banking_office
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;text-decoration:underline">Use of Estimates in the Preparation of Financial Statements:</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The preparation of financial statements, in conformity with GAAP, requires management to make estimates and assumptions based on available information. These estimates and assumptions affect the amounts reported in the consolidated financial statements and disclosures provided, and actual results could differ. The ACL (which includes the ALL and the reserve for unfunded loan commitments), provision for credit losses, loan repurchase reserve, realization of deferred tax assets, the valuation of goodwill and other intangible assets, other derivatives, HLBV of investments in alternative energy partnerships, and the fair value measurement of financial instruments are particularly subject to change and such change could have a material effect on the consolidated financial statements.</span>
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2020	banc	Threshold Period Past Duefor Nonperforming Statusof Financing Receivables ThresholdPeriodPastDueforNonperformingStatusofFinancingReceivables	P90D
CY2020Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	731000	USD
CY2019	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	145000	USD
CY2018	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	53000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	57649000	USD
CY2020Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4064000	USD
CY2020	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	0	USD
CY2018	banc	Increase Decreasein Loans Subject To Repurchase Option IncreaseDecreaseinLoansSubjectToRepurchaseOption	-66000000.0	USD
CY2020	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	0	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	220819000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1231431000	USD
CY2020Q4	banc	Investment In Federal Home Loan And Other Banks Stock Fair Value Disclosure InvestmentInFederalHomeLoanAndOtherBanksStockFairValueDisclosure	44506000	USD
CY2020Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1413000	USD
CY2020Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	5936708000	USD
CY2020Q4	us-gaap	Accounts Receivable Fair Value Disclosure AccountsReceivableFairValueDisclosure	29445000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	7632000	USD
CY2020Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	6087714000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	585416000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	273230000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	8102000	USD
CY2020Q4	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	3714000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	373472000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	912580000	USD
CY2019Q4	banc	Investment In Federal Home Loan And Other Banks Stock Fair Value Disclosure InvestmentInFederalHomeLoanAndOtherBanksStockFairValueDisclosure	59420000	USD
CY2019Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	22642000	USD
CY2019Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	5894732000	USD
CY2019Q4	us-gaap	Accounts Receivable Fair Value Disclosure AccountsReceivableFairValueDisclosure	24523000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	3583000	USD
CY2019Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	5430536000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	1222709000	USD
CY2019Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	180213000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	3853000	USD
CY2019Q4	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	4687000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1220444000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	20959000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	9972000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1231431000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	929449000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	151000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	17020000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	912580000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	2011000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	556000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	5532000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	5408000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2011000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-4852000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	5532000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	68829000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	1249588000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	1025471000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	112563000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	477000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	613010000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	9495000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	725573000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	9972000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	190527000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2223000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	668808000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	14797000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	859335000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	17020000	USD
CY2020Q4	banc	Number Of Available For Sale Securities In Portfolio NumberOfAvailableForSaleSecuritiesInPortfolio	103	security
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	50	security
CY2019Q4	banc	Number Of Available For Sale Securities In Portfolio NumberOfAvailableForSaleSecuritiesInPortfolio	70	security
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	60	security
CY2020	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	731000	USD
CY2018	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3300000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	808366000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity Within One Year Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield	0.0170
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	143267000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0477
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	101615000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0240
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	178183000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After10 Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield	0.0193
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	1231431000	USD
CY2020Q4	banc	Debt Securities Availableforsale Weighted Average Yield DebtSecuritiesAvailableforsaleWeightedAverageYield	0.0214
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5898405000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	81030000	USD
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	5817375000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5951885000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	57649000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	5894236000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	6200000	USD
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	14300000	USD
CY2020	banc	Financing Receivable Days Delinquent Classifiedas Credit Risk FinancingReceivableDaysDelinquentClassifiedasCreditRisk	P60D
CY2020Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	816955000	USD
CY2020Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	840484000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	880048000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	457039000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	503551000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	739203000	USD
CY2020Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	1640519000	USD
CY2020Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	20606000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5898405000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5951885000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	31617000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	5866788000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5898405000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	57607000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	5894278000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5951885000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	35900000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	32066000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	43354000	USD
CY2019Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	16564000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	728000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2019Q3	us-gaap	Increase Decrease In Collateral Held Under Securities Lending IncreaseDecreaseInCollateralHeldUnderSecuritiesLending	5000000.0	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	8997000	USD
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	21837000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	63000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	135000	USD
CY2020Q4	banc	Financing Receivable Modifications Recorded Investment Accrual Status FinancingReceivableModificationsRecordedInvestmentAccrualStatus	4700000	USD
CY2020Q4	banc	Financing Receivable Modifications Recorded Investment Nonaccrual Status FinancingReceivableModificationsRecordedInvestmentNonaccrualStatus	4300000	USD
CY2019Q4	banc	Financing Receivable Modifications Recorded Investment Accrual Status FinancingReceivableModificationsRecordedInvestmentAccrualStatus	6600000	USD
CY2019Q4	banc	Financing Receivable Modifications Recorded Investment Nonaccrual Status FinancingReceivableModificationsRecordedInvestmentNonaccrualStatus	15200000	USD
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	Loan
CY2020	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	5000000	USD
CY2020	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	5000000	USD
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	14	Loan
CY2019	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	21726000	USD
CY2019	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	19062000	USD
CY2018	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3	Loan
CY2018	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	358000	USD
CY2018	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	350000	USD
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2018	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	Loan
CY2020	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	5000000	USD
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	14	Loan
CY2019	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	19062000	USD
CY2018	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3	Loan
CY2018	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	350000	USD
CY2020	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	285337000	USD
CY2020	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	0	USD
CY2019	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	0	USD
CY2019	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	0	USD
CY2018	us-gaap	Financing Receivable Significant Purchases FinancingReceivableSignificantPurchases	59481000	USD
CY2018	us-gaap	Financing Receivable Significant Sales FinancingReceivableSignificantSales	0	USD
CY2020	banc	Financing Receivable Significant Purchases Premium FinancingReceivableSignificantPurchasesPremium	4700000	USD
CY2019	banc	Financing Receivable Significant Purchases Premium FinancingReceivableSignificantPurchasesPremium	0	USD
CY2018	banc	Financing Receivable Significant Purchases Premium FinancingReceivableSignificantPurchasesPremium	2300000	USD
CY2020	banc	Financing Receivable Reclassification From Heldforsale FinancingReceivableReclassificationFromHeldforsale	0	USD
CY2020	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	0	USD
CY2019	banc	Financing Receivable Reclassification From Heldforsale FinancingReceivableReclassificationFromHeldforsale	0	USD
CY2019	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	1139597000	USD
CY2018	banc	Financing Receivable Reclassification From Heldforsale FinancingReceivableReclassificationFromHeldforsale	0	USD
CY2018	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	376995000	USD
CY2020	us-gaap	Derivative Loss On Derivative DerivativeLossOnDerivative	9000000.0	USD
CY2019	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	8900000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5898405000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5951885000	USD
CY2020	banc	Exception Report Decreasein Fico Score Percent ExceptionReportDecreaseinFICOScorePercent	0.10
CY2020Q4	us-gaap	Property Plant And Equipment Gross Excluding Capital Leased Assets PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets	182364000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross Excluding Capital Leased Assets PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets	182666000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Excluding Capital Leased Assets AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets	60844000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Excluding Capital Leased Assets AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets	54645000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net Excluding Capital Leased Assets PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets	121520000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net Excluding Capital Leased Assets PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets	128021000	USD
CY2020	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	512000	USD
CY2019	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	1500000	USD
CY2018	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	2000000.0	USD
CY2020	us-gaap	Depreciation Depreciation	10200000	USD
CY2019	us-gaap	Depreciation Depreciation	10300000	USD
CY2018	us-gaap	Depreciation Depreciation	10900000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	6024000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	6622000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	279000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	356000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	0	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	250000	USD
CY2020	us-gaap	Lease Cost LeaseCost	6303000	USD
CY2019	us-gaap	Lease Cost LeaseCost	6728000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	6812000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	6989000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3289000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5332000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	19633000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22540000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	20647000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	23692000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y7M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y8M8D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0278
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0292
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5553000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4029000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3231000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2350000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2184000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	5514000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	22861000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2214000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	20647000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	83000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	585000	USD
CY2020	banc	Bank Servicing Fees Grossand Disposal Group Including Discontinued Operation Bank Servicing Fees Gross BankServicingFeesGrossandDisposalGroupIncludingDiscontinuedOperationBankServicingFeesGross	1096000	USD
CY2019	banc	Bank Servicing Fees Grossand Disposal Group Including Discontinued Operation Bank Servicing Fees Gross BankServicingFeesGrossandDisposalGroupIncludingDiscontinuedOperationBankServicingFeesGross	1291000	USD
CY2018	banc	Bank Servicing Fees Grossand Disposal Group Including Discontinued Operation Bank Servicing Fees Gross BankServicingFeesGrossandDisposalGroupIncludingDiscontinuedOperationBankServicingFeesGross	5048000	USD
CY2020	banc	Mortgage Servicing Rights Msr Impairment Recoveryand Disposal Group Including Discontinued Operation Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecoveryandDisposalGroupIncludingDiscontinuedOperationMortgageServicingRightsMSRImpairmentRecovery	591000	USD
CY2019	banc	Mortgage Servicing Rights Msr Impairment Recoveryand Disposal Group Including Discontinued Operation Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecoveryandDisposalGroupIncludingDiscontinuedOperationMortgageServicingRightsMSRImpairmentRecovery	612000	USD
CY2018	banc	Mortgage Servicing Rights Msr Impairment Recoveryand Disposal Group Including Discontinued Operation Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecoveryandDisposalGroupIncludingDiscontinuedOperationMortgageServicingRightsMSRImpairmentRecovery	1328000	USD
CY2020	banc	Bank Servicing Feesand Disposal Group Including Discontinued Operation Bank Servicing Fees BankServicingFeesandDisposalGroupIncludingDiscontinuedOperationBankServicingFees	505000	USD
CY2019	banc	Bank Servicing Feesand Disposal Group Including Discontinued Operation Bank Servicing Fees BankServicingFeesandDisposalGroupIncludingDiscontinuedOperationBankServicingFees	679000	USD
CY2018	banc	Bank Servicing Feesand Disposal Group Including Discontinued Operation Bank Servicing Fees BankServicingFeesandDisposalGroupIncludingDiscontinuedOperationBankServicingFees	3720000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	566000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1157000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	888000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1142000	USD
CY2020Q4	us-gaap	Servicing Asset ServicingAsset	1454000	USD
CY2019Q4	us-gaap	Servicing Asset ServicingAsset	2299000	USD
CY2020Q4	us-gaap	Derecognized Assets Securitized Or Assetbacked Financing Arrangement Assets And Any Other Financial Assets Managed Together Principal Amount Outstanding DerecognizedAssetsSecuritizedOrAssetbackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding	104900000	USD
CY2019Q4	us-gaap	Derecognized Assets Securitized Or Assetbacked Financing Arrangement Assets And Any Other Financial Assets Managed Together Principal Amount Outstanding DerecognizedAssetsSecuritizedOrAssetbackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding	150600000	USD
CY2020Q4	banc	Continuing Involvementwith Derecognized Transferred Financial Assets Recorded Escrow Balance ContinuingInvolvementwithDerecognizedTransferredFinancialAssetsRecordedEscrowBalance	138000	USD
CY2019Q4	banc	Continuing Involvementwith Derecognized Transferred Financial Assets Recorded Escrow Balance ContinuingInvolvementwithDerecognizedTransferredFinancialAssetsRecordedEscrowBalance	198000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1157000	USD
CY2018Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1770000	USD
CY2017Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	31852000	USD
CY2020	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-309000	USD
CY2019	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-265000	USD
CY2018	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-1155000	USD
CY2020	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	0	USD
CY2019	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	0	USD
CY2018	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	28549000	USD
CY2020	us-gaap	Servicing Asset At Fair Value Other Changes That Affect Balance ServicingAssetAtFairValueOtherChangesThatAffectBalance	282000	USD
CY2019	us-gaap	Servicing Asset At Fair Value Other Changes That Affect Balance ServicingAssetAtFairValueOtherChangesThatAffectBalance	348000	USD
CY2018	us-gaap	Servicing Asset At Fair Value Other Changes That Affect Balance ServicingAssetAtFairValueOtherChangesThatAffectBalance	378000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	566000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1157000	USD
CY2018Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1770000	USD
	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	28500000	USD
	banc	Transfer Of Financial Assets Accounting For As Sales Principal Amount Outstanding TransferOfFinancialAssetsAccountingForAsSalesPrincipalAmountOutstanding	3550000000	USD
	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	30100000	USD
CY2018	banc	Gain Lossfrom Saleof Mortgage Servicing R Ights Msr GainLossfromSaleofMortgageServicingRIghtsMSR	-2300000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1142000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1658000	USD
CY2017Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1856000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	0	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	0	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	127000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	254000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	493000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	298000	USD
CY2020	us-gaap	Servicing Asset At Amortized Cost Other Than Temporary Impairments ServicingAssetAtAmortizedCostOtherThanTemporaryImpairments	0	USD
CY2019	us-gaap	Servicing Asset At Amortized Cost Other Than Temporary Impairments ServicingAssetAtAmortizedCostOtherThanTemporaryImpairments	23000	USD
CY2018	us-gaap	Servicing Asset At Amortized Cost Other Than Temporary Impairments ServicingAssetAtAmortizedCostOtherThanTemporaryImpairments	27000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	888000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1142000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1658000	USD
CY2019Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	0	USD
CY2018Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	672000	USD
CY2017Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1796000	USD
CY2020	banc	Other Real Estate And Foreclosed Assets Additions OtherRealEstateAndForeclosedAssetsAdditions	1116000	USD
CY2019	banc	Other Real Estate And Foreclosed Assets Additions OtherRealEstateAndForeclosedAssetsAdditions	276000	USD
CY2018	banc	Other Real Estate And Foreclosed Assets Additions OtherRealEstateAndForeclosedAssetsAdditions	672000	USD
CY2020	banc	Other Real Estate And Foreclosed Assets Disposals OtherRealEstateAndForeclosedAssetsDisposals	1116000	USD
CY2019	banc	Other Real Estate And Foreclosed Assets Disposals OtherRealEstateAndForeclosedAssetsDisposals	803000	USD
CY2018	banc	Other Real Estate And Foreclosed Assets Disposals OtherRealEstateAndForeclosedAssetsDisposals	2038000	USD
CY2020	us-gaap	Real Estate Owned Valuation Allowance Period Increase Decrease RealEstateOwnedValuationAllowancePeriodIncreaseDecrease	0	USD
CY2019	us-gaap	Real Estate Owned Valuation Allowance Period Increase Decrease RealEstateOwnedValuationAllowancePeriodIncreaseDecrease	145000	USD
CY2018	us-gaap	Real Estate Owned Valuation Allowance Period Increase Decrease RealEstateOwnedValuationAllowancePeriodIncreaseDecrease	-242000	USD
CY2020Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	0	USD
CY2019Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	0	USD
CY2018Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	672000	USD
CY2019Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	0	USD
CY2018Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	0	USD
CY2017Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	242000	USD
CY2020	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	0	USD
CY2019	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	145000	USD
CY2018	us-gaap	Real Estate Owned Valuation Allowance Provision1 RealEstateOwnedValuationAllowanceProvision1	143000	USD
CY2020	banc	Real Estate Owned Valuation Allowance Recoveries RealEstateOwnedValuationAllowanceRecoveries	0	USD
CY2019	banc	Real Estate Owned Valuation Allowance Recoveries RealEstateOwnedValuationAllowanceRecoveries	0	USD
CY2018	banc	Real Estate Owned Valuation Allowance Recoveries RealEstateOwnedValuationAllowanceRecoveries	90000	USD
CY2020	us-gaap	Real Estate Owned Valuation Allowance Amounts Applied RealEstateOwnedValuationAllowanceAmountsApplied	0	USD
CY2019	us-gaap	Real Estate Owned Valuation Allowance Amounts Applied RealEstateOwnedValuationAllowanceAmountsApplied	145000	USD
CY2018	us-gaap	Real Estate Owned Valuation Allowance Amounts Applied RealEstateOwnedValuationAllowanceAmountsApplied	295000	USD
CY2020Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	0	USD
CY2019Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	0	USD
CY2018Q4	us-gaap	Real Estate Owned Valuation Allowance RealEstateOwnedValuationAllowance	0	USD
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-38000	USD
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	40000	USD
CY2018	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-13000	USD
CY2020	banc	Foreclosed Real Estate Expense Netof Rental Income ForeclosedRealEstateExpenseNetofRentalIncome	0	USD
CY2019	banc	Foreclosed Real Estate Expense Netof Rental Income ForeclosedRealEstateExpenseNetofRentalIncome	0	USD
CY2018	banc	Foreclosed Real Estate Expense Netof Rental Income ForeclosedRealEstateExpenseNetofRentalIncome	134000	USD
CY2020	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-38000	USD
CY2019	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	40000	USD
CY2018	us-gaap	Profit Loss From Real Estate Operations ProfitLossFromRealEstateOperations	-147000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	37100000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	37100000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	2100000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	2100000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2633000	USD
CY2020Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2018	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2020	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1500000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2200000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1082000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	799000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	517000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	235000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1559248000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1088516000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	2107942000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1533882000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	714297000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	715479000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	932363000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	885246000	USD
CY2020Q4	banc	Time Deposits Lessthan250000 TimeDepositsLessthan250000	316585000	USD
CY2019Q4	banc	Time Deposits Lessthan250000 TimeDepositsLessthan250000	582772000	USD
CY2020Q4	banc	Time Deposits250000 Or More TimeDeposits250000OrMore	455365000	USD
CY2019Q4	banc	Time Deposits250000 Or More TimeDeposits250000OrMore	621272000	USD
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4526552000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4338651000	USD
CY2020Q4	us-gaap	Deposits Deposits	6085800000	USD
CY2019Q4	us-gaap	Deposits Deposits	5427167000	USD
CY2020Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	441000	USD
CY2019Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	300000	USD
CY2020Q4	banc	Interestbearing Domestic Deposit Demand Brokered InterestbearingDomesticDepositDemandBrokered	0	USD
CY2019Q4	banc	Interestbearing Domestic Deposit Demand Brokered InterestbearingDomesticDepositDemandBrokered	0	USD
CY2020Q4	banc	Interestbearing Domestic Deposit Money Market Brokered InterestbearingDomesticDepositMoneyMarketBrokered	10000000	USD
CY2019Q4	banc	Interestbearing Domestic Deposit Money Market Brokered InterestbearingDomesticDepositMoneyMarketBrokered	10000000	USD
CY2020Q4	banc	Time Deposits Lessthan250000 Brokered TimeDepositsLessthan250000Brokered	16223000	USD
CY2019Q4	banc	Time Deposits Lessthan250000 Brokered TimeDepositsLessthan250000Brokered	0	USD
CY2020Q4	banc	Time Deposits250000 Or More Brokered TimeDeposits250000OrMoreBrokered	0	USD
CY2019Q4	banc	Time Deposits250000 Or More Brokered TimeDeposits250000OrMoreBrokered	0	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	26223000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	10000000	USD
CY2020Q4	banc	Time Deposits Under250000 Maturities Year One TimeDepositsUnder250000MaturitiesYearOne	269858000	USD
CY2020Q4	banc	Time Deposits Under250000 Maturities Year Two TimeDepositsUnder250000MaturitiesYearTwo	39563000	USD
CY2020Q4	banc	Time Deposits Under250000 Maturities Year Three TimeDepositsUnder250000MaturitiesYearThree	3776000	USD
CY2020Q4	banc	Time Deposits Under250000 Maturities Year Four TimeDepositsUnder250000MaturitiesYearFour	1674000	USD
CY2020Q4	banc	Time Deposits Under250000 Maturities Year Fiveand Thereafter TimeDepositsUnder250000MaturitiesYearFiveandThereafter	1714000	USD
CY2020Q4	banc	Time Deposits Lessthan250000 TimeDepositsLessthan250000	316585000	USD
CY2020Q4	banc	Time Deposits250000 Maturities Or More Year One TimeDeposits250000MaturitiesOrMoreYearOne	413130000	USD
CY2020Q4	banc	Time Deposits250000 Maturities Or More Year Two TimeDeposits250000MaturitiesOrMoreYearTwo	41412000	USD
CY2020Q4	banc	Time Deposits250000 Maturities Or More Year Three TimeDeposits250000MaturitiesOrMoreYearThree	823000	USD
CY2020Q4	banc	Time Deposits250000 Maturities Or More Year Four TimeDeposits250000MaturitiesOrMoreYearFour	0	USD
CY2020Q4	banc	Time Deposits250000 Maturities Or More Year Five And Thereafter TimeDeposits250000MaturitiesOrMoreYearFiveAndThereafter	0	USD
CY2020Q4	banc	Time Deposits250000 Or More TimeDeposits250000OrMore	455365000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	682988000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	80975000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	4599000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	1674000	USD
CY2020Q4	banc	Time Deposit Maturities Year Five And Thereafter TimeDepositMaturitiesYearFiveAndThereafter	1714000	USD
CY2020Q4	us-gaap	Time Deposits TimeDeposits	771950000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate	461000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate	730000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Floating Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate	85000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Floating Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate	465000000	USD
CY2020Q4	banc	Federal Home Loan Bank Advances General Debt Obligations Disclosure Weighted Average Interest Rate Variable FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosureWeightedAverageInterestRateVariable	0.0017
CY2019Q4	banc	Federal Home Loan Bank Advances General Debt Obligations Disclosure Weighted Average Interest Rate Variable FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosureWeightedAverageInterestRateVariable	0.0166
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Commitment Fees FederalHomeLoanBankAdvancesCommitmentFees	6200000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate Under One Year FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRateUnderOneYear	50000000	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Fixed Rate Duein Year Two FederalHomeLoanBankAdvancesMaturitiesSummaryFixedRateDueinYearTwo	0	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Fixed Rate Duein Year Three FederalHomeLoanBankAdvancesMaturitiesSummaryFixedRateDueinYearThree	0	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Fixed Rate Duein Year Four FederalHomeLoanBankAdvancesMaturitiesSummaryFixedRateDueinYearFour	0	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Fixed Rate Due Year Fiveand After FederalHomeLoanBankAdvancesMaturitiesSummaryFixedRateDueYearFiveandAfter	411000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate	461000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Floating Rate Under One Year FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRateUnderOneYear	85000000	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Floating Rate Duein Year Two FederalHomeLoanBankAdvancesMaturitiesSummaryFloatingRateDueinYearTwo	0	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Floating Rate Duein Year Three FederalHomeLoanBankAdvancesMaturitiesSummaryFloatingRateDueinYearThree	0	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Floating Rate Duein Year Four FederalHomeLoanBankAdvancesMaturitiesSummaryFloatingRateDueinYearFour	0	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Floating Rate Duein Year Fiveand After FederalHomeLoanBankAdvancesMaturitiesSummaryFloatingRateDueinYearFiveandAfter	0	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Floating Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate	85000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	135000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	0	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	0	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	0	USD
CY2020Q4	banc	Federal Home Loan Bank Advances Maturities Summary Duein Year Fiveandafter Year Five FederalHomeLoanBankAdvancesMaturitiesSummaryDueinYearFiveandafterYearFive	411000000	USD
CY2020Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	546000000	USD
CY2020Q4	banc	Federal Home Loan Bank Advance Maturity Overnight FederalHomeLoanBankAdvanceMaturityOvernight	85000000.0	USD
CY2020Q4	banc	Federal Home Loan Bank Advance Maturity Next Six Months FederalHomeLoanBankAdvanceMaturityNextSixMonths	50000000.0	USD
CY2020Q4	banc	Federal Home Loan Bank Advance Maturity After Next Six Months FederalHomeLoanBankAdvanceMaturityAfterNextSixMonths	411000000.0	USD
CY2020	banc	Federal Home Loan Bank Advance Maturity Within Six Months And Beyond Six Months Weighted Average Life FederalHomeLoanBankAdvanceMaturityWithinSixMonthsAndBeyondSixMonthsWeightedAverageLife	P5Y
CY2020	banc	Federal Home Loan Bank Advance Maturity Weighted Average Interest Rate After Next Six Months FederalHomeLoanBankAdvanceMaturityWeightedAverageInterestRateAfterNextSixMonths	0.0253
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	2370000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	3050000000.00	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0215
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0227
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0257
CY2020	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0241
CY2019	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0255
CY2018	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0215
CY2020	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	749195000	USD
CY2019	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	1264945000	USD
CY2018	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	1627608000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	1210000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	1850000000	USD
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	2030000000	USD
CY2020Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	546000000	USD
CY2019Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1195000000	USD
CY2018Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	1520000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Commitment Fees FederalHomeLoanBankAdvancesCommitmentFees	6200000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	0	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	0	USD
CY2020Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	196000000.0	USD
CY2020Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	260000000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	3685000	USD
CY2019Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	175000000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	1579000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7332000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3900000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5720000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3713000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	941000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5035000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	11045000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	4841000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10755000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5663000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1492000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4418000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3596000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	870000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1493000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9259000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-622000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5911000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1786000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4219000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4844000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Amortization EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortization	0.241
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Amortization EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortization	0.126
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Amortization EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortization	0.043
CY2020	banc	Effective Income Tax Rate Reconciliation Other Permanent Bookto Tax Differences Percent EffectiveIncomeTaxRateReconciliationOtherPermanentBooktoTaxDifferencesPercent	0.019
CY2019	banc	Effective Income Tax Rate Reconciliation Other Permanent Bookto Tax Differences Percent EffectiveIncomeTaxRateReconciliationOtherPermanentBooktoTaxDifferencesPercent	-0.024
CY2018	banc	Effective Income Tax Rate Reconciliation Other Permanent Bookto Tax Differences Percent EffectiveIncomeTaxRateReconciliationOtherPermanentBooktoTaxDifferencesPercent	0.004
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.006
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.051
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.059
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.306
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.200
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.232
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.036
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.017
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.010
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.022
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.006
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.005
CY2020	banc	Effective Income Tax Rate Reconciliation Reserves Uncertain Tax Position EffectiveIncomeTaxRateReconciliationReservesUncertainTaxPosition	-0.009
CY2019	banc	Effective Income Tax Rate Reconciliation Reserves Uncertain Tax Position EffectiveIncomeTaxRateReconciliationReservesUncertainTaxPosition	-0.010
CY2018	banc	Effective Income Tax Rate Reconciliation Reserves Uncertain Tax Position EffectiveIncomeTaxRateReconciliationReservesUncertainTaxPosition	0.001
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.023
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.033
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.124
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.151
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.103
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	3400000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	9600000	USD
CY2020Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	30200000	USD
CY2019Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	30700000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	24032000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	15874000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2182000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2222000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	4168000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3831000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	1625000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	1826000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	272000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	372000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	686000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	725000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	30225000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	30661000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	4968000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	1998000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	2104000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1198000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1248000	USD
CY2020Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	443000	USD
CY2019Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	85000	USD
CY2020Q4	banc	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	6082000	USD
CY2019Q4	banc	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	6978000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2824000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2835000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	75735000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	73729000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	3236000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	0	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	8139000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	7455000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	167000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	341000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	5154000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	6623000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5618000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5796000	USD
CY2020Q4	banc	Deferred Tax Liabilities Rightofuse Asset DeferredTaxLiabilitiesRightofuseAsset	5784000	USD
CY2019Q4	banc	Deferred Tax Liabilities Rightofuse Asset DeferredTaxLiabilitiesRightofuseAsset	6638000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1680000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1970000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	29778000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	28823000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	45957000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	44906000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2020	banc	Income Lossfrom Continuing Operationsbefore Income Taxes Extraordinary Items Noncontrolling Interestand Net Operating Loss Carryforward IncomeLossfromContinuingOperationsbeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterestandNetOperatingLossCarryforward	32000000.0	USD
CY2020Q4	banc	Deferred Tax Assets Operating Loss Carryforwards Percentageof Domesticand State DeferredTaxAssetsOperatingLossCarryforwardsPercentageofDomesticandState	0.059
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	924000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	977000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	701000	USD
CY2019Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2020Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	977000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1227000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1047000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	6000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	101000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	120000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	120000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	180000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	167000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	269000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	924000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	977000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1227000	USD
CY2019	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	8900000	USD
CY2020Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	74850000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	7632000	USD
CY2019Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	75317000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	3583000	USD
CY2020Q4	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	74850000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	8102000	USD
CY2019Q4	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	75317000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	3853000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5781000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5039000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6565000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1703000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1481000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1929000	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	6869000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020Q4	banc	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue	0	USD
CY2019Q4	banc	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue	0	USD
CY2018Q4	banc	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue	0	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	8000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.99
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	7452	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.05
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	74836	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.41
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	24000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	17.50
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	49616	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	13.34
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	67000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	160000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	29000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	87000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	96000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	62521	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.85
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	186973	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.54
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	210973	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	55069	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.96
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	62521	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.85
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	186973	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.54
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	55069	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	13.96
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	60273	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	13.86
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	123125	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	13.67
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	2248	shares
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	13.75
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	63848	shares
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	13.30
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	105432	shares
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	13.31
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	2248	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	13.75
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	17600	shares
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	13.26
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	41584	shares
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	13.32
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	0	shares
CY2020	banc	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Forfeitedin Period Weighted Average Exercise Price SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedForfeitedinPeriodWeightedAverageExercisePrice	0
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	44000	shares
CY2019	banc	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Forfeitedin Period Weighted Average Exercise Price SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedForfeitedinPeriodWeightedAverageExercisePrice	13.29
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	0	shares
CY2018	banc	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Forfeitedin Period Weighted Average Exercise Price SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedForfeitedinPeriodWeightedAverageExercisePrice	0
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	0	shares
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	0
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	2248	shares
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	13.75
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	63848	shares
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	13.30
CY2020Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	55069	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	59000	USD
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	13.96
CY2020	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P3Y2M12D
CY2020Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	55069	shares
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	59000	USD
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	13.96
CY2020	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P3Y2M12D
CY2020	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	1
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	1
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2100000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2100000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2100000	USD
CY2020Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	0	shares
CY2019Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	0	shares
CY2017Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	260000	shares
CY2018	us-gaap	Stock Issued During Period Shares Conversion Of Convertible Securities StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities	145702	shares
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.13
CY2020	banc	Restructuring Chargesand Disposal Group Including Discontinued Operation Restructuring Charges RestructuringChargesandDisposalGroupIncludingDiscontinuedOperationRestructuringCharges	0	USD
CY2019	banc	Restructuring Chargesand Disposal Group Including Discontinued Operation Restructuring Charges RestructuringChargesandDisposalGroupIncludingDiscontinuedOperationRestructuringCharges	4300000	USD
CY2018Q2	banc	Restructuringand Related Cost Expected Numberof Positions Eliminated Percent RestructuringandRelatedCostExpectedNumberofPositionsEliminatedPercent	0.09
CY2018	banc	Restructuring Chargesand Disposal Group Including Discontinued Operation Restructuring Charges RestructuringChargesandDisposalGroupIncludingDiscontinuedOperationRestructuringCharges	4400000	USD
CY2020Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	0	USD
CY2019Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	1200000	USD
CY2019Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	1204000	USD
CY2018Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	117000	USD
CY2017Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	202000	USD
CY2020	banc	Restructuring Chargesand Disposal Group Including Discontinued Operation Restructuring Charges RestructuringChargesandDisposalGroupIncludingDiscontinuedOperationRestructuringCharges	0	USD
CY2019	banc	Restructuring Chargesand Disposal Group Including Discontinued Operation Restructuring Charges RestructuringChargesandDisposalGroupIncludingDiscontinuedOperationRestructuringCharges	4263000	USD
CY2018	banc	Restructuring Chargesand Disposal Group Including Discontinued Operation Restructuring Charges RestructuringChargesandDisposalGroupIncludingDiscontinuedOperationRestructuringCharges	4431000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	1204000	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	3176000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	4516000	USD
CY2020Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	0	USD
CY2019Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	1204000	USD
CY2018Q4	banc	Restructuring Reserveand Disposal Group Including Discontinued Operations Restructuring Reserve RestructuringReserveandDisposalGroupIncludingDiscontinuedOperationsRestructuringReserve	117000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3809000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3972000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5604000	USD
CY2020	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	14709000	USD
CY2019	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	8144000	USD
CY2018	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	18311000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	18518000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	12116000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	23915000	USD
CY2020	us-gaap	Loss Contingency Disclosures LossContingencyDisclosures	LITIGATION<div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">From time to time, we are involved as plaintiff or defendant in various legal actions arising in the normal course of business. In accordance with applicable accounting guidance, we establish an accrued liability when those matters present loss contingencies that are both probable and estimable. We continue to monitor the matters for further developments that could affect the amount of the accrued liability that has been previously established. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%">While the ultimate liability with respect to legal actions cannot be determined at this time, we believe that damages, if any, and other amounts relating to pending matters are not likely to be material to the consolidated financial statements.</span></div>

Files In Submission

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$BANC
BANC OF CALIFORNIA, INC. Stock $banc

2019 Q4 Form 10-K Financial Statement

#000116977021000009 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BANC BANC OF CALIFORNIA, INC. Stock $banc

2019 Q4 Form 10-K Financial Statement

#000116977021000009 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BANC
BANC OF CALIFORNIA, INC. Stock $banc