$UBFO
UNITED SECURITY BANCSHARES Stock $ubfo

$ubfo Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000113754723000012 Filed on March 29, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$734.0K		$3.027M
YoY Change	-92.65%		-91.98%
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	$376.0K	$355.0K	$1.300M
YoY Change	20.9%	1.43%	-7.67%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$1.614M		$3.195M
YoY Change	191.86%		53.68%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$8.646M	$7.517M	$22.06M
YoY Change	153.47%	91.27%	65.68%
Income Tax	$2.521M	$2.175M	$6.373M
% Of Pretax Income	29.16%	28.93%	28.89%
Net Earnings	$6.125M	$5.342M	$15.69M
YoY Change	150.72%	58.52%	55.34%
Net Earnings / Revenue	834.47%		518.2%
Basic Earnings Per Share	$0.36		$0.92
Diluted Earnings Per Share	$0.36	$312.9K	$919.4K
COMMON SHARES
Basic Shares Outstanding	17.15M shares	17.05M shares	17.04M shares
Diluted Shares Outstanding	17.09M shares		17.06M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$45.15M	$38.60M
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	$11.29M	$11.75M	$11.75M
YoY Change	-0.61%	2.21%	2.21%
Goodwill	$4.500M	$4.500M
YoY Change	0.27%	0.27%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$14.42M	$12.83M	$12.83M
YoY Change	106.8%	256.25%	256.25%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.261B	$1.299B	$1.299B
YoY Change	-6.56%	-2.39%	-2.38%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$1.915M	$2.093M	$2.093M
YoY Change	-25.02%	-22.48%	-22.48%
Deferred Revenue
YoY Change
Short-Term Debt	$13.20M
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$15.11M	$2.093M	$2.093M
YoY Change	491.82%	-22.48%	-22.48%
LONG-TERM LIABILITIES
Long-Term Debt	$11.02M	$10.88M	$10.88M
YoY Change	1.19%	-2.83%	-2.83%
Other Long-Term Liabilities	$11.02M	$8.270M	$8.270M
YoY Change	30.36%	-5.35%	-4.94%
Total Long-Term Liabilities	$22.04M	$19.15M	$19.15M
YoY Change	13.94%	119.22%	-3.75%
TOTAL LIABILITIES
Total Short-Term Liabilities	$15.11M	$2.093M	$2.093M
Total Long-Term Liabilities	$22.04M	$19.15M	$19.15M
Total Liabilities	$1.148B	$1.187B	$1.187B
YoY Change	-7.11%	-1.98%	-1.98%
SHAREHOLDERS EQUITY
Retained Earnings	$69.50M	$69.93M
YoY Change	11.53%	13.25%
Common Stock	$60.27M	$60.03M
YoY Change	0.89%	0.66%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$112.9M	$112.5M	$112.5M
YoY Change
Total Liabilities & Shareholders Equity	$1.261B	$1.299B	$1.299B
YoY Change	-6.56%	-2.39%	-2.38%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$6.125M	$5.342M	$15.69M
YoY Change	150.72%	58.52%	55.34%
Depreciation, Depletion And Amortization	$376.0K	$355.0K	$1.300M
YoY Change	20.9%	1.43%	-7.67%
Cash From Operating Activities	$9.328M	$8.673M	$23.70M
YoY Change	313.66%	13.08%	43.2%
INVESTING ACTIVITIES
Capital Expenditures	$92.00K	$640.0K	$2.140M
YoY Change	-67.26%	-436.84%	70.79%
Acquisitions
YoY Change
Other Investing Activities	$40.35M	-$18.29M	-$172.1M
YoY Change	-295.74%	-78.02%	-45.9%
Cash From Investing Activities	$40.26M	-$18.93M	-$174.2M
YoY Change	-292.66%	-77.3%	-45.44%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$43.03M	-77.18M	-$30.09M
YoY Change	-276.67%	-317.29%	-113.2%
NET CHANGE
Cash From Operating Activities	$9.328M	8.673M	$23.70M
Cash From Investing Activities	$40.26M	-18.93M	-$174.2M
Cash From Financing Activities	-$43.03M	-77.18M	-$30.09M
Net Change In Cash	$6.558M	-87.44M	-$180.6M
YoY Change	14.75%	117.45%	141.31%
FREE CASH FLOW
Cash From Operating Activities	$9.328M	$8.673M	$23.70M
Capital Expenditures	$92.00K	$640.0K	$2.140M
Free Cash Flow	$9.236M	$8.033M	$21.56M
YoY Change	367.88%	2.2%	40.94%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001137547
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022Q4	ubfo	Coli Policy Premium Payment Term COLIPolicyPremiumPaymentTerm	P7Y
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2022Q2	dei	Entity Public Float EntityPublicFloat	104165322	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	17148023	shares
CY2022	dei	Auditor Firm AuditorFirmId	659
CY2022	dei	Auditor Name AuditorName	Moss Adams LLP
CY2022	dei	Auditor Location AuditorLocation	San Francisco, California
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	31650000	usd
CY2022Q4	ubfo	Due From Frb Interest Bearing Cash DueFromFrbInterestBearingCash	6945000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	38595000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	981772000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	869314000	usd
CY2022Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-1594000	usd
CY2021Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	2219000	usd
CY2021Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2022Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	60030000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	59636000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	69928000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	61745000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-17495000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1174000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	112463000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	120207000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1299193000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1330944000	usd
CY2022	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	1605000	usd
CY2021	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	239000	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	49257000	usd
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	37730000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2815000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1899000	usd
CY2022	us-gaap	Interest Expense Loans From Other Federal Home Loan Banks InterestExpenseLoansFromOtherFederalHomeLoanBanks	380000	usd
CY2021	us-gaap	Interest Expense Loans From Other Federal Home Loan Banks InterestExpenseLoansFromOtherFederalHomeLoanBanks	180000	usd
CY2022	us-gaap	Interest Expense InterestExpense	3195000	usd
CY2021	us-gaap	Interest Expense InterestExpense	2079000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	46062000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35651000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1802000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2107000	usd
CY2022	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	44260000	usd
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	33544000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3027000	usd
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2793000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	555000	usd
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	555000	usd
CY2022	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-429000	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-106000	usd
CY2022	ubfo	Gain Losson Fair Value Optionof Financial Liability GainLossonFairValueOptionofFinancialLiability	-2533000	usd
CY2021	ubfo	Gain Losson Fair Value Optionof Financial Liability GainLossonFairValueOptionofFinancialLiability	-660000	usd
CY2022	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	30000	usd
CY2021	us-gaap	Gain Loss On Sale Of Other Investments GainLossOnSaleOfOtherInvestments	0	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-10000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	8000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1198000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	795000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	1838000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	3385000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	11833000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	11713000	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	3467000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	3537000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	686000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	565000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	4058000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	3572000	usd
CY2022	ubfo	Regulatory Assessments Expense Benefit RegulatoryAssessmentsExpenseBenefit	794000	usd
CY2021	ubfo	Regulatory Assessments Expense Benefit RegulatoryAssessmentsExpenseBenefit	743000	usd
CY2022	us-gaap	Noninterest Expense Directors Fees NoninterestExpenseDirectorsFees	452000	usd
CY2021	us-gaap	Noninterest Expense Directors Fees NoninterestExpenseDirectorsFees	385000	usd
CY2022	ubfo	Correspondent Bank Service Charges CorrespondentBankServiceCharges	93000	usd
CY2021	ubfo	Correspondent Bank Service Charges CorrespondentBankServiceCharges	88000	usd
CY2022	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-102000	usd
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-256000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2554000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2756000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	24039000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	23615000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22059000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	13314000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6373000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3216000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	15686000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	10098000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17040241	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17011379	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17061833	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17030874	shares
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CY2022	ubfo	Increase Decrease In Operating Leases Right Of Use Assets IncreaseDecreaseInOperatingLeasesRightOfUseAssets	-611000	usd
CY2021	ubfo	Increase Decrease In Operating Leases Right Of Use Assets IncreaseDecreaseInOperatingLeasesRightOfUseAssets	-262000	usd
CY2022	ubfo	Amortizationof Investment Securities AmortizationofInvestmentSecurities	606000	usd
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CY2022	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	959000	usd
CY2022	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	48000	usd
CY2022	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	3791000	usd
CY2021	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-151000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-1970000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	73000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	365000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	238000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2362000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-521000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	213000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	623000	usd
CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	usd
CY2022	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	usd
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-1000	usd
CY2022	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-429000	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-106000	usd
CY2022	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	usd
CY2021	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	usd
CY2022	ubfo	Gain Loss On Fair Value Of Financial Instruments Net Pretax GainLossOnFairValueOfFinancialInstrumentsNetPretax	-2533000	usd
CY2021	ubfo	Gain Loss On Fair Value Of Financial Instruments Net Pretax GainLossOnFairValueOfFinancialInstrumentsNetPretax	-660000	usd
CY2022	us-gaap	Gain Loss On Sale Of Insurance Block GainLossOnSaleOfInsuranceBlock	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Insurance Block GainLossOnSaleOfInsuranceBlock	0	usd
CY2022	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	555000	usd
CY2021	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	555000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	0	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-10000	usd
CY2021	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	8000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	556000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1296000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	23700000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16550000	usd
CY2022	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	0	usd
CY2021	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	0	usd
CY2022	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	2434000	usd
CY2021	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	8000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities		usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	usd
CY2022	ubfo	Principal Paymentsof Availablefor Sale Securities PrincipalPaymentsofAvailableforSaleSecurities	10136000	usd
CY2021	ubfo	Principal Paymentsof Availablefor Sale Securities PrincipalPaymentsofAvailableforSaleSecurities	27009000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	81762000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	125749000	usd
CY2022	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	usd
CY2021	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	1140000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	15676000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	113389000	usd
CY2021	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	218331000	usd
CY2022	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	usd
CY2021	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	251000	usd
CY2022	ubfo	Repayment Of Loans On Other Real Estate Owned RepaymentOfLoansOnOtherRealEstateOwned	0	usd
CY2021	ubfo	Repayment Of Loans On Other Real Estate Owned RepaymentOfLoansOnOtherRealEstateOwned	0	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	13000	usd
CY2022	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	usd
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2140000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1253000	usd
CY2022	us-gaap	Payments To Acquire Limited Partnership Interests PaymentsToAcquireLimitedPartnershipInterests	320000	usd
CY2021	us-gaap	Payments To Acquire Limited Partnership Interests PaymentsToAcquireLimitedPartnershipInterests	158000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-174233000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-319366000	usd
CY2022	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	-13087000	usd
CY2021	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	229389000	usd
CY2022	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-9537000	usd
CY2021	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	6066000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	29000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	7496000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	7489000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-30091000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	227966000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-180624000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-74850000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	219219000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	294069000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38595000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	219219000	usd
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2022Q4	ubfo	Number Of Branches NumberOfBranches	12	branch
CY2022Q4	ubfo	Number Of Commercial Lending Offices NumberOfCommercialLendingOffices	1	office
CY2022Q4	ubfo	Number Of Consumer Lending Offices NumberOfConsumerLendingOffices	1	office
CY2022Q4	ubfo	Number Of Construction Lending Offices NumberOfConstructionLendingOffices	1	office
CY2022Q4	us-gaap	Real Estate Investments RealEstateInvestments	250000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">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 accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Material estimates that are particularly susceptible to significant change relate to the determination of the allowance for loan losses, goodwill, fair value of junior subordinated debt, deferred tax assets and liabilities, and the valuation of real estate acquired in connection with foreclosures or in satisfaction of loans.</span></div>
CY2022	ubfo	Number Of General Segments For The Segregation Of Portfolio NumberOfGeneralSegmentsForTheSegregationOfPortfolio	2	segment
CY2022	ubfo	Period Of Default Minimum PeriodOfDefaultMinimum	P90D
CY2022	ubfo	Number Of Monthly Payments To Demonstrate Repayment Ability NumberOfMonthlyPaymentsToDemonstrateRepaymentAbility	6	payment
CY2021Q4	us-gaap	Goodwill Goodwill	4500000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	4500000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	185000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	204000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	234610000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	17000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	27082000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	207545000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	179236000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	998000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1332000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	178902000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	15676000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	78000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	48000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	17464000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	17151000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	31784000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	30071000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	66563000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	56269000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	7891000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	6836000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	110908000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	97218000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	234610000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	207545000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	87106000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5630000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	114717000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	21452000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	201823000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	27082000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	90218000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1232000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	9950000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	100000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	100168000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1332000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	114	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	57	security
CY2022	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-429000	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-106000	usd
CY2022Q4	us-gaap	Trading Securities TradingSecurities	0	usd
CY2021Q4	us-gaap	Trading Securities TradingSecurities	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0	usd
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	981772000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	869314000	usd
CY2021Q4	ubfo	Loans And Leases Receivable Related Parties Net Of Adjustments LoansAndLeasesReceivableRelatedPartiesNetOfAdjustments	13100000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1900000	usd
CY2022	ubfo	Loans And Leases Receivable Related Parties Retirements LoansAndLeasesReceivableRelatedPartiesRetirements	8899000	usd
CY2022	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	980000	usd
CY2021	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	7899000	usd
CY2022	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	1571000	usd
CY2021	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	198000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	3610000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	9601000	usd
CY2022	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	1050000	usd
CY2021	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	13100000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	981772000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	252000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	869314000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	453000	usd
CY2022	ubfo	Period Of Default Minimum PeriodOfDefaultMinimum	P90D
CY2022	ubfo	Number Of Monthly Payments To Demonstrate Repayment Ability NumberOfMonthlyPaymentsToDemonstrateRepaymentAbility	6	payment
CY2022	ubfo	Financing Receivable Remaining Undisbursed Commitments Loan Funds FinancingReceivableRemainingUndisbursedCommitmentsLoanFunds	0	usd
CY2021	ubfo	Financing Receivable Remaining Undisbursed Commitments Loan Funds FinancingReceivableRemainingUndisbursedCommitmentsLoanFunds	0	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	14544000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	11438000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	15625000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	15379000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	249000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	15628000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	52000	usd
CY2022	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	12663000	usd
CY2022	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	288000	usd
CY2022	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	3000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	12032000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	11679000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	355000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	12034000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	130000	usd
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	12813000	usd
CY2021	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	319000	usd
CY2021	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	2000	usd
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2594000	usd
CY2022	ubfo	Financing Receivable Modifications Defaults FinancingReceivableModificationsDefaults	0	usd
CY2022	ubfo	Financing Receivable Modifications Additions FinancingReceivableModificationsAdditions	0	usd
CY2022	ubfo	Financing Receivables Impaired Troubled Debt Restructuring Principal Additions Reductions FinancingReceivablesImpairedTroubledDebtRestructuringPrincipalAdditionsReductions	454000	usd
CY2022	ubfo	Financing Receivables Impaired Troubled Debt Restructuring Credit Losses Write Offs FinancingReceivablesImpairedTroubledDebtRestructuringCreditLossesWriteOffs	0	usd
CY2022Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2140000	usd
CY2022Q4	ubfo	Financing Receivable Modification Allowance For Loan Losses FinancingReceivableModificationAllowanceForLoanLosses	52000	usd
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	3426000	usd
CY2021	ubfo	Financing Receivable Modifications Defaults FinancingReceivableModificationsDefaults	0	usd
CY2021	ubfo	Financing Receivables Impaired Troubled Debt Restructuring Principal Additions Reductions FinancingReceivablesImpairedTroubledDebtRestructuringPrincipalAdditionsReductions	832000	usd
CY2021	ubfo	Financing Receivables Impaired Troubled Debt Restructuring Credit Losses Write Offs FinancingReceivablesImpairedTroubledDebtRestructuringCreditLossesWriteOffs	0	usd
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2594000	usd
CY2021Q4	ubfo	Financing Receivable Modification Allowance For Loan Losses FinancingReceivableModificationAllowanceForLoanLosses	130000	usd
CY2022Q4	ubfo	Number Of Restructured Loans NumberOfRestructuredLoans	4	loan
CY2022Q4	ubfo	Total Restructured Loans TotalRestructuredLoans	2100000	usd
CY2021Q4	ubfo	Number Of Restructured Loans NumberOfRestructuredLoans	5	loan
CY2021Q4	ubfo	Total Restructured Loans TotalRestructuredLoans	2600000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2022	ubfo	Number Of Risk Rating Approaches NumberOfRiskRatingApproaches	2	rating
CY2022	ubfo	Numberof Loan Portfolio Segment NumberofLoanPortfolioSegment	8	segment
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9333000	usd
CY2022	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-1802000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1363000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	410000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	953000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10182000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	52000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	10130000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10182000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8522000	usd
CY2021	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-2107000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1543000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	247000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	1296000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9333000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	130000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	9203000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9333000	usd
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	15628000	usd
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	966144000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	981772000	usd
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	12034000	usd
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	857280000	usd
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	869314000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	704000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	28280000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	27427000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	18510000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	18477000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	9770000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	8950000	usd
CY2022	us-gaap	Depreciation Depreciation	1300000	usd
CY2021	us-gaap	Depreciation Depreciation	1400000	usd
CY2022	ubfo	Equity Method Investment Financial Information Net Income Loss EquityMethodInvestmentFinancialInformationNetIncomeLoss	566000	usd
CY2021	ubfo	Equity Method Investment Financial Information Net Income Loss EquityMethodInvestmentFinancialInformationNetIncomeLoss	303000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	481629000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	476749000	usd
CY2022Q4	us-gaap	Deposits Money Market Deposits And Negotiable Order Of Withdrawal Now DepositsMoneyMarketDepositsAndNegotiableOrderOfWithdrawalNOW	499861000	usd
CY2021Q4	us-gaap	Deposits Money Market Deposits And Negotiable Order Of Withdrawal Now DepositsMoneyMarketDepositsAndNegotiableOrderOfWithdrawalNOW	529841000	usd
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	125946000	usd
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	113930000	usd
CY2022Q4	ubfo	Time Deposits Less Than250000 TimeDepositsLessThan250000	42933000	usd
CY2021Q4	ubfo	Time Deposits Less Than250000 TimeDepositsLessThan250000	46631000	usd
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	15115000	usd
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	20955000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	683855000	usd
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	711357000	usd
CY2022Q4	us-gaap	Deposits Deposits	1165484000	usd
CY2021Q4	us-gaap	Deposits Deposits	1188106000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	0	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	283000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	46224000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	58685000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	10352000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	7335000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	723000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	573000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	610000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	390000	usd
CY2022Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	139000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	603000	usd
CY2022Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	0	usd
CY2021Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	0	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	58048000	usd
CY2021Q4	us-gaap	Time Deposits TimeDeposits	67586000	usd
CY2022Q4	ubfo	Deposit Overdrafts DepositOverdrafts	487000000	usd
CY2021Q4	ubfo	Deposit Overdrafts DepositOverdrafts	102000	usd
CY2022Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	13800000	usd
CY2021Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	18400000	usd
CY2022Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	557800000	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Current FederalHomeLoanBankAdvancesCurrent	0	usd
CY2021Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	443706000	usd
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Current FederalHomeLoanBankAdvancesCurrent	0	usd
CY2022	ubfo	Lessee Operating Lease Number Of Contracts LesseeOperatingLeaseNumberOfContracts	14	contract
CY2022	ubfo	Lessee Financing Lease Number Of Contracts LesseeFinancingLeaseNumberOfContracts	0	contract
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	728000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	0	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	0	usd
CY2022	us-gaap	Lease Cost LeaseCost	728000	usd
CY2021	us-gaap	Lease Cost LeaseCost	987000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	729000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	691000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	285000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y5M26D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y21D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0512
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0513
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	744000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	579000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	402000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	183000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	112000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	320000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2340000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	247000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	2093000	usd
CY2022	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	413000	usd
CY2021	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	-268000	usd
CY2022	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	413000	usd
CY2022Q4	ubfo	Fair Value Option Credit Risk Gross Losses On Assets FairValueOptionCreditRiskGrossLossesOnAssets	2500000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax	2900000	usd
CY2021	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	-268000	usd
CY2021	ubfo	Fair Value Option Credit Risk Gain Loss On Assets Net Before Tax FairValueOptionCreditRiskGainLossOnAssetsNetBeforeTax	-660000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax	392000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	3411000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	2173000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	1352000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	1230000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	167000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	311000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	75000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	75000	usd
CY2022Q4	ubfo	Deferred Tax Assets Write Down On Other Real Estate Owned DeferredTaxAssetsWriteDownOnOtherRealEstateOwned	291000	usd
CY2021Q4	ubfo	Deferred Tax Assets Write Down On Other Real Estate Owned DeferredTaxAssetsWriteDownOnOtherRealEstateOwned	291000	usd
CY2022Q4	ubfo	Deferred Tax Assets Unrealized Gainon Retirement Obligation DeferredTaxAssetsUnrealizedGainonRetirementObligation	83000	usd
CY2021Q4	ubfo	Deferred Tax Assets Unrealized Gainon Retirement Obligation DeferredTaxAssetsUnrealizedGainonRetirementObligation	265000	usd
CY2022Q4	ubfo	Deferred Tax Assets Deferred Loss Fair Value Option DeferredTaxAssetsDeferredLossFairValueOption	245000	usd
CY2021Q4	ubfo	Deferred Tax Assets Deferred Loss Fair Value Option DeferredTaxAssetsDeferredLossFairValueOption	0	usd
CY2022Q4	ubfo	Deferred Tax Assets Unrealized Gain Losses On Treasury Preferred Securities DeferredTaxAssetsUnrealizedGainLossesOnTreasuryPreferredSecurities	0	usd
CY2021Q4	ubfo	Deferred Tax Assets Unrealized Gain Losses On Treasury Preferred Securities DeferredTaxAssetsUnrealizedGainLossesOnTreasuryPreferredSecurities	131000	usd
CY2022Q4	ubfo	Deferred Tax Assets Unrealized Gain Loss On Available For Sale Securities DeferredTaxAssetsUnrealizedGainLossOnAvailableForSaleSecurities	8000000	usd
CY2021Q4	ubfo	Deferred Tax Assets Unrealized Gain Loss On Available For Sale Securities DeferredTaxAssetsUnrealizedGainLossOnAvailableForSaleSecurities	99000	usd
CY2022Q4	ubfo	Deferred Tax Asset Intereston Non Accrual Loans DeferredTaxAssetInterestonNonAccrualLoans	833000	usd
CY2021Q4	ubfo	Deferred Tax Asset Intereston Non Accrual Loans DeferredTaxAssetInterestonNonAccrualLoans	653000	usd
CY2022Q4	ubfo	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	667000	usd
CY2021Q4	ubfo	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	798000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	815000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1528000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	15939000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	7554000	usd
CY2022Q4	ubfo	Deferred Tax Liabilities State Tax DeferredTaxLiabilitiesStateTax	433000	usd
CY2021Q4	ubfo	Deferred Tax Liabilities State Tax DeferredTaxLiabilitiesStateTax	243000	usd
CY2022Q4	ubfo	Deferred Tax Liabilities Federal Home Loan Bank Dividend DeferredTaxLiabilitiesFederalHomeLoanBankDividend	46000	usd
CY2021Q4	ubfo	Deferred Tax Liabilities Federal Home Loan Bank Dividend DeferredTaxLiabilitiesFederalHomeLoanBankDividend	46000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	507000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	524000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	0	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	561000	usd
CY2022Q4	ubfo	Deferred Tax Liabilities Fair Value Adjustments For Purchase Accounting DeferredTaxLiabilitiesFairValueAdjustmentsForPurchaseAccounting	98000	usd
CY2021Q4	ubfo	Deferred Tax Liabilities Fair Value Adjustments For Purchase Accounting DeferredTaxLiabilitiesFairValueAdjustmentsForPurchaseAccounting	98000	usd
CY2022Q4	ubfo	Deferred Tax Liabilities Unrealized Gain Losses On Treasury Preferred Securities DeferredTaxLiabilitiesUnrealizedGainLossesOnTreasuryPreferredSecurities	740000	usd
CY2021Q4	ubfo	Deferred Tax Liabilities Unrealized Gain Losses On Treasury Preferred Securities DeferredTaxLiabilitiesUnrealizedGainLossesOnTreasuryPreferredSecurities	0	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	508000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	1553000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	150000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	149000	usd
CY2022Q4	ubfo	Deferred Tax Liabilities Operating Right Of Use Asset DeferredTaxLiabilitiesOperatingRightOfUseAsset	632000	usd
CY2021Q4	ubfo	Deferred Tax Liabilities Operating Right Of Use Asset DeferredTaxLiabilitiesOperatingRightOfUseAsset	765000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3114000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3939000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	12825000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	3615000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5489000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3246000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8735000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1457000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-905000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2362000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	4032000	usd
CY2022	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	2341000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6373000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2407000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1330000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3737000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-370000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-151000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-521000	usd
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	2037000	usd
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	1179000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3216000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	0.081
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	0.071
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.039
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.289
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.242
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022	ubfo	Sharebased Compensation Arrangementby Sharebased Payment Award Numberof Plans SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofPlans	2	plan
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	94601	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.87
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	30000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	8.17
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	5579	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	5.22
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	119022	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.07
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	89022	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	8.04
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y4M2D
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	105333	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	185000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	204000	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	104000	usd
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	61000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P4Y25D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	127644
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	86000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	86000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	10555000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0123
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P10Y
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.4163
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2022	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	1
CY2022	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2022	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	1
CY2022	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	263000000	usd
CY2021	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	262000000	usd
CY2022	ubfo	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Term DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationTerm	P20Y
CY2022Q4	ubfo	Salary Continuation Plan Accrued Liability SalaryContinuationPlanAccruedLiability	4245000000	usd
CY2021Q4	ubfo	Salary Continuation Plan Accrued Liability SalaryContinuationPlanAccruedLiability	4753000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0483
CY2021Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0191
CY2022	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	310000000	usd
CY2021	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	430000000	usd
CY2022Q4	ubfo	Numberof Officers NumberofOfficers	4	numberofagreement
CY2022Q4	ubfo	Number Of Policies NumberOfPolicies	4	policy
CY2021	us-gaap	Postemployment Benefits Period Expense PostemploymentBenefitsPeriodExpense	42000000	usd
CY2022	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	195000000	usd
CY2021	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	672000000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	22900000	usd
CY2021Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	22300000	usd
CY2022	ubfo	Income Losson Bank Owned Life Insurance Policies IncomeLossonBankOwnedLifeInsurancePolicies	555000000	usd
CY2021	ubfo	Income Losson Bank Owned Life Insurance Policies IncomeLossonBankOwnedLifeInsurancePolicies	513000000	usd
CY2022	ubfo	Minimumtermofguarantees Minimumtermofguarantees	P1M
CY2022	ubfo	Maximum Term Of Guarantees MaximumTermOfGuarantees	P3Y
CY2022	us-gaap	Interest Paid Net InterestPaidNet	3148000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	2083000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	6765000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	3030000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax	2947000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax	392000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-26730000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1229000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	615000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	203000	usd
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1878000	usd
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1872000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	15686000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	10098000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17040241	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17011379	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	21592	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	19495	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17061833	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17030874	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	96000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	67000	shares

Files In Submission

Name	View Source	Status
0001137547-23-000012-index-headers.html	Edgar Link	pending
0001137547-23-000012-index.html	Edgar Link	pending
0001137547-23-000012.txt	Edgar Link	pending
0001137547-23-000012-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
imagea.jpg	Edgar Link	pending
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mahmoodusbengagementletter.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
ubfo-20221231.htm	Edgar Link	pending
ubfo-20221231.xsd	Edgar Link	pending
ubfo-20221231exhibit231.htm	Edgar Link	pending
ubfo-20221231exhibit3111.htm	Edgar Link	pending
ubfo-20221231exhibit3121.htm	Edgar Link	pending
ubfo-20221231exhibit3211.htm	Edgar Link	pending
ubfo-20221231exhibit3221.htm	Edgar Link	pending
ubfo-20221231_def.xml	Edgar Link	unprocessable
ubfo-20221231_cal.xml	Edgar Link	unprocessable
ubfo-20221231_lab.xml	Edgar Link	unprocessable
ubfo-20221231_pre.xml	Edgar Link	unprocessable
ubfo-20221231_htm.xml	Edgar Link	completed

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$UBFO
UNITED SECURITY BANCSHARES Stock $ubfo

2023 Q1 Form 10-K Financial Statement

#000113754723000012 Filed on March 29, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$UBFO UNITED SECURITY BANCSHARES Stock $ubfo

2023 Q1 Form 10-K Financial Statement

#000113754723000012 Filed on March 29, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$UBFO
UNITED SECURITY BANCSHARES Stock $ubfo