$RVRF
River Financial Corp Stock $rvrf

$rvrf Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000095017024029883 Filed on March 12, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$39.04M		$132.3M
YoY Change	36.27%		48.82%
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	$800.0K	$973.0K	$2.882M
YoY Change	20.12%	11.84%	42.04%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$17.45M		$52.95M
YoY Change	81.63%		430.32%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$7.555M	$9.643M	$33.59M
YoY Change	16.7%	32.46%	-6.38%
Income Tax	$1.745M	$1.528M	$6.848M
% Of Pretax Income	23.1%	15.85%	20.39%
Net Earnings	$5.810M	$8.115M	$26.74M
YoY Change	13.77%	39.91%	-4.26%
Net Earnings / Revenue	14.88%		20.22%
Basic Earnings Per Share	$0.76		$3.84
Diluted Earnings Per Share	$0.75	$1.05	$3.79
COMMON SHARES
Basic Shares Outstanding	7.667M	7.659M	6.970M
Diluted Shares Outstanding	7.740M		7.065M

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$213.9M	$72.55M
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	$45.54M	$45.22M	$48.46M
YoY Change	10.9%	12.44%	10.64%
Goodwill	$27.82M	$27.82M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$12.53M	$13.43M	$13.43M
YoY Change	112.31%	135.67%	135.67%
Other Assets	$30.78M	$29.90M	$29.90M
YoY Change	9.16%	-1.96%	-1.96%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3.369B	$3.235B	$3.235B
YoY Change	12.7%	14.18%	14.18%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$10.23M	$12.14M	$12.14M
YoY Change	-6.18%	25.2%	25.2%
Accrued Expenses	$3.264M	$3.407M	$3.407M
YoY Change	-9.33%	-7.92%	-7.92%
Deferred Revenue
YoY Change
Short-Term Debt	$14.59M	$16.73M	$16.73M
YoY Change	-12.65%	-49.61%	-49.61%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$28.08M	$32.28M	$32.28M
YoY Change	-10.01%	-30.73%	-30.73%
LONG-TERM LIABILITIES
Long-Term Debt	$39.51M	$39.49M	$39.49M
YoY Change	-23.13%	0.23%	0.23%
Other Long-Term Liabilities	$4.484M	$4.483M	$4.483M
YoY Change	12.1%	6.74%	6.74%
Total Long-Term Liabilities	$43.99M	$43.98M	$43.98M
YoY Change	-20.59%	0.86%	0.86%
TOTAL LIABILITIES
Total Short-Term Liabilities	$28.08M	$32.28M	$32.28M
Total Long-Term Liabilities	$43.99M	$43.98M	$43.98M
Total Liabilities	$3.166B	$3.032B	$3.037B
YoY Change	11.43%	12.51%	12.5%
SHAREHOLDERS EQUITY
Retained Earnings	$126.3M	$124.3M
YoY Change	22.99%	23.31%
Common Stock	$144.9M	$144.7M
YoY Change	30.15%	30.4%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$453.0K	$496.0K
YoY Change	-28.1%	62.09%
Treasury Stock Shares
Shareholders Equity	$197.7M	$198.3M	$198.3M
YoY Change
Total Liabilities & Shareholders Equity	$3.369B	$3.235B	$3.235B
YoY Change	12.7%	14.18%	14.18%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$5.810M	$8.115M	$26.74M
YoY Change	13.77%	39.91%	-4.26%
Depreciation, Depletion And Amortization	$800.0K	$973.0K	$2.882M
YoY Change	20.12%	11.84%	42.04%
Cash From Operating Activities	$7.428M	$12.87M	$24.40M
YoY Change	45.59%	10.92%	-48.6%
INVESTING ACTIVITIES
Capital Expenditures	$1.120M	$284.0K	$7.884M
YoY Change	-26.02%	-74.87%	42.31%
Acquisitions
YoY Change
Other Investing Activities	$2.740M	-$110.5M	-$383.6M
YoY Change	-102.75%	-27.42%	-24.47%
Cash From Investing Activities	$1.620M	-$110.8M	-$391.5M
YoY Change	-101.6%	-27.77%	-23.75%
FINANCING ACTIVITIES
Cash Dividend Paid	$3.833M		$3.208M
YoY Change	19.48%		9.94%
Common Stock Issuance & Retirement, Net			-$31.85M
YoY Change			-2433.33%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	132.3M	25.34M	364.8M
YoY Change	-6.8%	-85.89%	-23.81%
NET CHANGE
Cash From Operating Activities	7.428M	12.87M	24.40M
Cash From Investing Activities	1.620M	-110.8M	-391.5M
Cash From Financing Activities	132.3M	25.34M	364.8M
Net Change In Cash	141.4M	-72.55M	-2.279M
YoY Change	207.86%	-291.32%	-117.72%
FREE CASH FLOW
Cash From Operating Activities	$7.428M	$12.87M	$24.40M
Capital Expenditures	$1.120M	$284.0K	$7.884M
Free Cash Flow	$6.308M	$12.58M	$16.51M
YoY Change	75.81%	20.18%	-60.61%

Facts In Submission

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CY2023	dei	Entity File Number EntityFileNumber	333-205986
CY2023	dei	Entity Registrant Name EntityRegistrantName	RIVER FINANCIAL CORPORATION
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	AL
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	46-1422125
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CY2023	ck0001641601	Non Interest Income Deposit With Financial Institution Increase Decrease NonInterestIncomeDepositWithFinancialInstitutionIncreaseDecrease	4153000
CY2022	ck0001641601	Non Interest Income Deposit With Financial Institution Increase Decrease NonInterestIncomeDepositWithFinancialInstitutionIncreaseDecrease	171000
CY2023	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2016000
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	714000
CY2023	us-gaap	Noninterest Income NoninterestIncome	20597000
CY2022	us-gaap	Noninterest Income NoninterestIncome	12241000
CY2023	us-gaap	Labor And Related Expense LaborAndRelatedExpense	36684000
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	30758000
CY2023	us-gaap	Occupancy Net OccupancyNet	3796000
CY2022	us-gaap	Occupancy Net OccupancyNet	2946000
CY2023	us-gaap	Equipment Expense EquipmentExpense	2007000
CY2022	us-gaap	Equipment Expense EquipmentExpense	1596000
CY2023	us-gaap	Communication Communication	548000
CY2022	us-gaap	Communication Communication	469000
CY2023	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1408000
CY2022	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1131000
CY2023	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4051000
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3992000
CY2023	ck0001641601	Foreclosed Real Estate Expense Benefit ForeclosedRealEstateExpenseBenefit	64000
CY2022	ck0001641601	Foreclosed Real Estate Expense Benefit ForeclosedRealEstateExpenseBenefit	-2000
CY2023	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2653000
CY2022	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1324000
CY2023	ck0001641601	Legal And Other Professional Services LegalAndOtherProfessionalServices	1009000
CY2022	ck0001641601	Legal And Other Professional Services LegalAndOtherProfessionalServices	809000
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8855000
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8390000
CY2023	us-gaap	Noninterest Expense NoninterestExpense	61075000
CY2022	us-gaap	Noninterest Expense NoninterestExpense	51413000
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	33587000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	35877000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6848000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7948000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	26739000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	27929000
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.84
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.21
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.79
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.14
CY2023	us-gaap	Net Income Loss NetIncomeLoss	26739000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	27929000
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	9736000
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-93003000
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2444000
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-23353000
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	5000
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-2066000
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1000
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-522000
CY2023	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	-365000
CY2022	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax	2986000
CY2023	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	-92000
CY2022	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	750000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	7561000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-70342000
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	34300000
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-42413000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	179562000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	27929000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-70342000
CY2022	ck0001641601	Stock Issued During Period Shares Stock Options And Warrants Exercised StockIssuedDuringPeriodSharesStockOptionsAndWarrantsExercised	29450
CY2022	ck0001641601	Stock Issued During Period Value Stock Options And Warrants Exercised StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised	574000
CY2022	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	39519
CY2022	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	1365000
CY2022	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	32420
CY2022	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1134000
CY2022	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	65750
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	2918000
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	496000
CY2022	us-gaap	Reclassifications Of Temporary To Permanent Equity ReclassificationsOfTemporaryToPermanentEquity	-1044000
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	134026000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	26739000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	7561000
CY2023	ck0001641601	Stock Issued During Period Shares Stock Options And Warrants Exercised StockIssuedDuringPeriodSharesStockOptionsAndWarrantsExercised	24229
CY2023	ck0001641601	Stock Issued During Period Value Stock Options And Warrants Exercised StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised	354000
CY2023	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	968904
CY2023	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	32930000
CY2023	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	29997
CY2023	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	1080000
CY2023	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	24738
CY2023	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	839000
CY2023	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	11600
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	3208000
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	524000
CY2023	us-gaap	Reclassifications Of Temporary To Permanent Equity ReclassificationsOfTemporaryToPermanentEquity	-323000
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	198338000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	26739000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	27929000
CY2023	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5244000
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3840000
CY2023	ck0001641601	Provision For Losses On Foreclosed Assets ProvisionForLossesOnForeclosedAssets	120000
CY2022	ck0001641601	Provision For Losses On Foreclosed Assets ProvisionForLossesOnForeclosedAssets	30000
CY2023	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	2854000
CY2022	us-gaap	Investment Income Amortization Of Premium InvestmentIncomeAmortizationOfPremium	4011000
CY2023	ck0001641601	Accretion Of Discount On Securities AccretionOfDiscountOnSecurities	473000
CY2022	ck0001641601	Accretion Of Discount On Securities AccretionOfDiscountOnSecurities	497000
CY2023	ck0001641601	Accretion Of Acquired Loans AccretionOfAcquiredLoans	129000
CY2022	ck0001641601	Accretion Of Acquired Loans AccretionOfAcquiredLoans	279000
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	5000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-2066000
CY2023	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	1939000
CY2022	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	4002000
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	671000
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	869000
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	73000
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	75000
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	524000
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	496000
CY2023	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2428000
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1226000
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2882000
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2029000
CY2023	ck0001641601	Loss Gain On Sale Of Foreclosed Assets LossGainOnSaleOfForeclosedAssets	92000
CY2022	ck0001641601	Loss Gain On Sale Of Foreclosed Assets LossGainOnSaleOfForeclosedAssets	80000
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1896000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-702000
CY2023	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	1182000
CY2022	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-12088000
CY2023	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	4008000
CY2022	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	3052000
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4712000
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3206000
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	2154000
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	666000
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	24397000
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	47467000
CY2023	ck0001641601	Proceeds From Interest Bearing Deposits In Banks ProceedsFromInterestBearingDepositsInBanks	2464000
CY2022	ck0001641601	Proceeds From Interest Bearing Deposits In Banks ProceedsFromInterestBearingDepositsInBanks	497000
CY2023	ck0001641601	Payments For Interest Bearing Deposits In Banks PaymentsForInterestBearingDepositsInBanks	2500000
CY2022	ck0001641601	Payments For Interest Bearing Deposits In Banks PaymentsForInterestBearingDepositsInBanks	1250000
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	15252000
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	168627000
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	41760000
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	65905000
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	4660000
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	197977000
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	4936000
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	6175000
CY2022	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	12764000
CY2023	ck0001641601	Payments For Proceeds From Loan Principal Originations PaymentsForProceedsFromLoanPrincipalOriginations	435933000
CY2022	ck0001641601	Payments For Proceeds From Loan Principal Originations PaymentsForProceedsFromLoanPrincipalOriginations	533391000
CY2023	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	964000
CY2022	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	444000
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7884000
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5540000
CY2023	ck0001641601	Payments For Proceeds From Restricted Equity Securities Net PaymentsForProceedsFromRestrictedEquitySecuritiesNet	7748000
CY2022	ck0001641601	Payments For Proceeds From Restricted Equity Securities Net PaymentsForProceedsFromRestrictedEquitySecuritiesNet	4203000
CY2023	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1832000
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-391517000
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-513477000
CY2023	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	216456000
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	363022000
CY2023	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	8550000
CY2022	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-1573000
CY2023	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	365000000
CY2022	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	145000000
CY2023	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	230000000
CY2022	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	50000000
CY2023	ck0001641601	Proceeds From Federal Reserve Bank Discount Window Borrowings ProceedsFromFederalReserveBankDiscountWindowBorrowings	26500000
CY2022	ck0001641601	Proceeds From Federal Reserve Bank Discount Window Borrowings ProceedsFromFederalReserveBankDiscountWindowBorrowings	25000000
CY2023	ck0001641601	Repayment Of Federal Reserve Bank Discount Window Borrowings Financing Activities RepaymentOfFederalReserveBankDiscountWindowBorrowingsFinancingActivities	51500000
CY2023	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	12000000
CY2023	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	12000000
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	32930000
CY2023	ck0001641601	Proceeds From Exercise Of Stock Options And Warrants ProceedsFromExerciseOfStockOptionsAndWarrants	354000
CY2022	ck0001641601	Proceeds From Exercise Of Stock Options And Warrants ProceedsFromExerciseOfStockOptionsAndWarrants	574000
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1080000
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1365000
CY2023	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	839000
CY2022	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	1134000
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	3208000
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	2918000
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	364841000
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	478874000
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2279000
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	12864000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	74826000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	61962000
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	72547000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	74826000
CY2023	ck0001641601	Interest Paid To Depositors InterestPaidToDepositors	43066000
CY2022	ck0001641601	Interest Paid To Depositors InterestPaidToDepositors	7604000
CY2023	ck0001641601	Interest Paid On Borrowings InterestPaidOnBorrowings	7585000
CY2022	ck0001641601	Interest Paid On Borrowings InterestPaidOnBorrowings	199000
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8180000
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	4805000
CY2023	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	475000
CY2022	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	747000
CY2023	ck0001641601	Allowance For Credit Losses Recognized If Possessed With Unconditional Right To Cancel Obligation AllowanceForCreditLossesRecognizedIfPossessedWithUnconditionalRightToCancelObligation	0
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Concentrations of Credit Risk</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The Company originates primarily commercial, commercial real estate, residential real estate, and consumer loans to customers in its primary market areas in Alabama listed above. The ability of the majority of the Company’s customers to honor their contractual loan obligations is dependent on the economy in these areas. Approximately </span><span style="font-size:10pt;font-family:Times New Roman;color:#222222;white-space:pre-wrap;min-width:fit-content;">81</span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">%</span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> percent of the Company’s loan portfolio is secured by real estate, of which the majority is secured by real estate in the Company’s market areas. The Company, according to regulatory restrictions, may not generally extend credit to any single borrower or group of related borrowers on a secured basis in excess of </span><span style="font-size:10pt;font-family:Times New Roman;color:#222222;white-space:pre-wrap;min-width:fit-content;">20</span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">% of capital, as defined, or </span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">$</span><span style="font-size:10pt;font-family:Times New Roman;color:#222222;white-space:pre-wrap;min-width:fit-content;">61</span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> million, or on an unsecured basis in excess of </span><span style="font-size:10pt;font-family:Times New Roman;color:#222222;white-space:pre-wrap;min-width:fit-content;">10</span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">% of capital, as defined, or </span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">$</span><span style="font-size:10pt;font-family:Times New Roman;color:#222222;white-space:pre-wrap;min-width:fit-content;">30</span><span style="color:#222222;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> million. However, the Company has established internal policies that may further limit the extension of credit to any single borrower or group of related borrowers depending on their credit worthiness.</span></p>
CY2023	ck0001641601	Percentage Of Loan Portfolio Secured By Real Estate PercentageOfLoanPortfolioSecuredByRealEstate	0.81
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6969533
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6641358
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	95210
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	108066
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	7064743
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6749424
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.84
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.21
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.79
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.14
CY2023	us-gaap	Net Income Loss NetIncomeLoss	26739000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	27929000
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	26304000
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	105277000
CY2022Q1	ck0001641601	Non Cash Transaction Transfer Of Securities From Available For Sale To Held To Maturity NonCashTransactionTransferOfSecuritiesFromAvailableForSaleToHeldToMaturity	75000000
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1
CY2023Q1	ck0001641601	Cumulative Adjustment To Retained Earnings CumulativeAdjustmentToRetainedEarnings	24000
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	80000
CY2023Q1	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	8000
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	80000
CY2023Q1	ck0001641601	Amount Recognized On Purchased With Credit Deterioration Loans AmountRecognizedOnPurchasedWithCreditDeteriorationLoans	48000
CY2023	us-gaap	Reclassifications Reclassifications	<p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">(2) Reclassifications</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Certain prior period amounts have been reclassified to conform to the presentation used in 2023</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">. These reclassifications had no material effect on the operations, financial condition or cash flows of the Company.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	703915000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	111000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	82935000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	621091000
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	126793000
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	23619000
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	103174000
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	758428000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	87000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	92628000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	665887000
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	131581000
CY2022Q1	ck0001641601	Available For Sale Securities And Held To Maturity Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesAndHeldToMaturityUnrealizedLossPositionAccumulatedLoss	3400000
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	4643000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	38000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	611525000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	82897000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	616168000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	82935000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	223304000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	25224000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	434403000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	67404000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	657707000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	92628000
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	97829000
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	23619000
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	97829000
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	23619000
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	10057000
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2706000
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	89875000
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	23598000
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	99932000
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	26304000
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0
CY2023Q4	ck0001641601	Interest Receivable On Securities InterestReceivableOnSecurities	2100000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	332
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	346
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	150000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1351000
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	145000
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	3417000
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	5000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-2066000
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	15252000
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	168627000
CY2023Q4	ck0001641601	Pledged Financial Instrument Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	268200000
CY2022Q4	ck0001641601	Pledged Financial Instrument Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	242300000
CY2023Q4	ck0001641601	Pledged Financial Instrument Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentNotSeparatelyReportedSecuritiesForRepurchaseAgreements	26900000
CY2022Q4	ck0001641601	Pledged Financial Instrument Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentNotSeparatelyReportedSecuritiesForRepurchaseAgreements	16200000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	2500000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2424000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1055000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1054000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	163927000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	150501000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	141565000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	127459000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	51970000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	46415000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	77174000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	68737000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	72339000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	64451000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	89286000
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	78600000
CY2023Q4	ck0001641601	Available For Sale Debt Securities Amortized Cost Basis Before Residential Mortgage Backed Securities AvailableForSaleDebtSecuritiesAmortizedCostBasisBeforeResidentialMortgageBackedSecurities	290736000
CY2023Q4	ck0001641601	Available For Sale Securities Before Residential Mortgage Backed Securities AvailableForSaleSecuritiesBeforeResidentialMortgageBackedSecurities	263791000
CY2022Q4	ck0001641601	Available For Sale Debt Securities Amortized Cost Basis Before Residential Mortgage Backed Securities AvailableForSaleDebtSecuritiesAmortizedCostBasisBeforeResidentialMortgageBackedSecurities	309080000
CY2022Q4	ck0001641601	Available For Sale Securities Before Residential Mortgage Backed Securities AvailableForSaleSecuritiesBeforeResidentialMortgageBackedSecurities	275850000
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	703915000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	621091000
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	758428000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	665887000
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	19706000
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	16192000
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	10208000
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	8118000
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	43134000
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	35051000
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	52685000
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	41095000
CY2023Q4	ck0001641601	Held To Maturity Debt Securities Amortized Cost Basis Before Residential Mortgage Backed Securities HeldToMaturityDebtSecuritiesAmortizedCostBasisBeforeResidentialMortgageBackedSecurities	62840000
CY2023Q4	ck0001641601	Held To Maturity Securities Before Residential Mortgage Backed Securities HeldToMaturitySecuritiesBeforeResidentialMortgageBackedSecurities	51243000
CY2022Q4	ck0001641601	Held To Maturity Debt Securities Amortized Cost Basis Before Residential Mortgage Backed Securities HeldToMaturityDebtSecuritiesAmortizedCostBasisBeforeResidentialMortgageBackedSecurities	62893000
CY2022Q4	ck0001641601	Held To Maturity Securities Before Residential Mortgage Backed Securities HeldToMaturitySecuritiesBeforeResidentialMortgageBackedSecurities	49213000
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	126793000
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	103174000
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	131581000
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	105277000
CY2023Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	5738000
CY2023Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	5738000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2248228000
CY2023Q4	ck0001641601	Percentage Of Loans And Leases Receivable Gross Carrying Amount PercentageOfLoansAndLeasesReceivableGrossCarryingAmount	1.017
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1809278000
CY2022Q4	ck0001641601	Percentage Of Loans And Leases Receivable Gross Carrying Amount PercentageOfLoansAndLeasesReceivableGrossCarryingAmount	1.017
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	28991000
CY2023Q4	ck0001641601	Loans And Leases Receivable Allowance Percentage LoansAndLeasesReceivableAllowancePercentage	0.013
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24310000
CY2022Q4	ck0001641601	Loans And Leases Receivable Allowance Percentage LoansAndLeasesReceivableAllowancePercentage	0.014
CY2023Q4	ck0001641601	Loans And Leases Receivable Net Discounts LoansAndLeasesReceivableNetDiscounts	129000
CY2023Q4	ck0001641601	Loans And Leases Receivable Net Discounts Percentage LoansAndLeasesReceivableNetDiscountsPercentage	0.000
CY2022Q4	ck0001641601	Loans And Leases Receivable Net Discounts LoansAndLeasesReceivableNetDiscounts	279000
CY2022Q4	ck0001641601	Loans And Leases Receivable Net Discounts Percentage LoansAndLeasesReceivableNetDiscountsPercentage	0.000
CY2023Q4	ck0001641601	Loans And Leases Receivable Net Deferred Loan Fees LoansAndLeasesReceivableNetDeferredLoanFees	8093000
CY2023Q4	ck0001641601	Loans And Leases Receivable Net Deferred Loan Fees Percentage LoansAndLeasesReceivableNetDeferredLoanFeesPercentage	-0.004
CY2022Q4	ck0001641601	Loans And Leases Receivable Net Deferred Loan Fees LoansAndLeasesReceivableNetDeferredLoanFees	5872000
CY2022Q4	ck0001641601	Loans And Leases Receivable Net Deferred Loan Fees Percentage LoansAndLeasesReceivableNetDeferredLoanFeesPercentage	-0.003
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2211015000
CY2023Q4	ck0001641601	Percentage Of Loans And Leases Receivable Net Reported Amount PercentageOfLoansAndLeasesReceivableNetReportedAmount	1.000
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1778817000
CY2022Q4	ck0001641601	Percentage Of Loans And Leases Receivable Net Reported Amount PercentageOfLoansAndLeasesReceivableNetReportedAmount	1.000
CY2023	ck0001641601	Number Of Primary Loan Portfolio Segments NumberOfPrimaryLoanPortfolioSegments	3
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24310000
CY2023	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5244000
CY2023	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	1027000
CY2023	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	384000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	28991000
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	378000
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	28613000
CY2023Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	5738000
CY2023Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2242490000
CY2023Q4	ck0001641601	Loans And Leases Receivable As Percentage Of Aggregate Portfolio LoansAndLeasesReceivableAsPercentageOfAggregatePortfolio	1
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	20922000
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3840000
CY2022	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	679000
CY2022	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	227000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24310000
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	605000
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	23705000
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	8860000
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1800286000
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	132000
CY2022Q4	ck0001641601	Loans And Leases Receivable As Percentage Of Aggregate Portfolio LoansAndLeasesReceivableAsPercentageOfAggregatePortfolio	1
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	0
CY2023Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	4161000
CY2023Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	1577000
CY2023Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	378000
CY2022Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	8860000
CY2022Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	8860000
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	7992000
CY2022Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	868000
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	605000
CY2023	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	7843000
CY2023	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	57000
CY2022	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	7667000
CY2022	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	364000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2248228000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1809278000
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	5579000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2248228000
CY2023Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	4227000
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1356000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1809278000
CY2022Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	491000
CY2023Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	559028000
CY2023Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	737834000
CY2023Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	281059000
CY2023Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	192474000
CY2023Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	80303000
CY2023Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	121064000
CY2023Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	276466000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2248228000
CY2023	us-gaap	Financing Receivable Year One Originated Current Fiscal Year Writeoff FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff	288000
CY2023	us-gaap	Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	166000
CY2023	us-gaap	Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	197000
CY2023	us-gaap	Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	15000
CY2023	us-gaap	Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	23000
CY2023	us-gaap	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	338000
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1027000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1809278000
CY2023	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	2
CY2023	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1360000
CY2023	ck0001641601	Troubled Debt Restructuring Terms TroubledDebtRestructuringTerms	default is defined as 90 days past due and still accruing or placement on nonaccrual status.
CY2022	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3
CY2022	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	551000
CY2023Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	12460000
CY2022Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	10639000
CY2023Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	31079000
CY2022Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	27921000
CY2023Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	2815000
CY2022Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	2679000
CY2023Q4	ck0001641601	Furniture Equipment And Vehicle Gross FurnitureEquipmentAndVehicleGross	13215000
CY2022Q4	ck0001641601	Furniture Equipment And Vehicle Gross FurnitureEquipmentAndVehicleGross	10564000
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	59569000
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	51803000
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	14353000
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	11590000
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	45216000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	40213000
CY2023	us-gaap	Depreciation Depreciation	2900000
CY2022	us-gaap	Depreciation Depreciation	2000000
CY2022Q4	us-gaap	Foreclosed Assets ForeclosedAssets	609000
CY2021Q4	us-gaap	Foreclosed Assets ForeclosedAssets	256000
CY2023	ck0001641601	Loans Transferred To Foreclosed Assets LoansTransferredToForeclosedAssets	475000
CY2022	ck0001641601	Loans Transferred To Foreclosed Assets LoansTransferredToForeclosedAssets	747000
CY2023	ck0001641601	Sale Of Foreclosed Assets SaleOfForeclosedAssets	872000
CY2022	ck0001641601	Sale Of Foreclosed Assets SaleOfForeclosedAssets	364000
CY2023	ck0001641601	Write Down Of Foreclosed Assets WriteDownOfForeclosedAssets	120000
CY2022	ck0001641601	Write Down Of Foreclosed Assets WriteDownOfForeclosedAssets	30000
CY2023Q4	us-gaap	Foreclosed Assets ForeclosedAssets	92000
CY2022Q4	us-gaap	Foreclosed Assets ForeclosedAssets	609000
CY2023	ck0001641601	Net Gain Loss On Sales Of Foreclosed Assets NetGainLossOnSalesOfForeclosedAssets	92000
CY2022	ck0001641601	Net Gain Loss On Sales Of Foreclosed Assets NetGainLossOnSalesOfForeclosedAssets	80000
CY2023	ck0001641601	Write Down Of Foreclosed Assets WriteDownOfForeclosedAssets	120000
CY2022	ck0001641601	Write Down Of Foreclosed Assets WriteDownOfForeclosedAssets	30000
CY2023	ck0001641601	Operating Expenses Net Of Rental Income OperatingExpensesNetOfRentalIncome	36000
CY2022	ck0001641601	Operating Expenses Net Of Rental Income OperatingExpensesNetOfRentalIncome	48000
CY2023	ck0001641601	Foreclosed Asset Expense ForeclosedAssetExpense	64000
CY2022	ck0001641601	Foreclosed Asset Expense ForeclosedAssetExpense	-2000
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	628415000
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	672956000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	693421000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	610944000
CY2023Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	761164000
CY2022Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	664855000
CY2023Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	112563000
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	120030000
CY2023Q4	ck0001641601	Other Time Deposits OtherTimeDeposits	263084000
CY2022Q4	ck0001641601	Other Time Deposits OtherTimeDeposits	319753000
CY2023Q4	us-gaap	Deposits Deposits	2730655000
CY2022Q4	us-gaap	Deposits Deposits	2514199000
CY2023Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	0
CY2022Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	0
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8744000
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8650000
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1896000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-702000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6848000
CY2023Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	446500000
CY2022Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	262800000
CY2023Q4	ck0001641601	Deposits In Excess Of Insurance Limit DepositsInExcessOfInsuranceLimit	1000000000
CY2022Q4	ck0001641601	Deposits In Excess Of Insurance Limit DepositsInExcessOfInsuranceLimit	967000000
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	16700000
CY2022Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	8200000
CY2023Q4	us-gaap	Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure	26900000
CY2022Q4	us-gaap	Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure	16200000
CY2023	ck0001641601	Repurchase Agreement Weighted Average Interest Rate RepurchaseAgreementWeightedAverageInterestRate	0.0318
CY2022	ck0001641601	Repurchase Agreement Weighted Average Interest Rate RepurchaseAgreementWeightedAverageInterestRate	0.005
CY2023Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	230000000000
CY2022Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	95000000000
CY2023Q4	ck0001641601	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Unfunded Standby Letters Of Credit FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfUnfundedStandbyLettersOfCredit	75000000
CY2022Q4	ck0001641601	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Unfunded Standby Letters Of Credit FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfUnfundedStandbyLettersOfCredit	0
CY2023Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	929200000
CY2022Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	673300000
CY2023Q4	ck0001641601	Federal Home Loan Bank Additional Borrowing Capacity FederalHomeLoanBankAdditionalBorrowingCapacity	210300000
CY2022Q4	ck0001641601	Federal Home Loan Bank Additional Borrowing Capacity FederalHomeLoanBankAdditionalBorrowingCapacity	326800000
CY2023Q4	us-gaap	Line Of Credit LineOfCredit	0
CY2022Q4	us-gaap	Line Of Credit LineOfCredit	0
CY2023Q4	ck0001641601	Available Lines Of Credit For Overnight Federal Funds Borrowings AvailableLinesOfCreditForOvernightFederalFundsBorrowings	88500000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7948000
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	33587000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	35877000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7053000
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7534000
CY2023	ck0001641601	Income Tax Reconciliation Federal Income Tax Benefit Of State Income Taxes IncomeTaxReconciliationFederalIncomeTaxBenefitOfStateIncomeTaxes	-225000
CY2022	ck0001641601	Income Tax Reconciliation Federal Income Tax Benefit Of State Income Taxes IncomeTaxReconciliationFederalIncomeTaxBenefitOfStateIncomeTaxes	-268000
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	243000
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	194000
CY2023	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	326000
CY2022	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	378000
CY2023	ck0001641601	Income Tax Reconciliation Tax Exempt Income From Bank Owned Life Insurance Amount IncomeTaxReconciliationTaxExemptIncomeFromBankOwnedLifeInsuranceAmount	272000
CY2022	ck0001641601	Income Tax Reconciliation Tax Exempt Income From Bank Owned Life Insurance Amount IncomeTaxReconciliationTaxExemptIncomeFromBankOwnedLifeInsuranceAmount	259000
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	408000
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	176000
CY2023	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	2569000
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	708000
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1065000
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1270000
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2197000
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	775000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6848000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7948000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	7290000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	6144000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	768000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	710000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	874000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	812000
CY2023Q4	ck0001641601	Deferred Tax Assets Unrealized Gains Losses On Investment Securities Available For Sale DeferredTaxAssetsUnrealizedGainsLossesOnInvestmentSecuritiesAvailableForSale	21460000
CY2022Q4	ck0001641601	Deferred Tax Assets Unrealized Gains Losses On Investment Securities Available For Sale DeferredTaxAssetsUnrealizedGainsLossesOnInvestmentSecuritiesAvailableForSale	23995000
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2344000
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1716000
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	32736000
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	33377000
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	362000
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	531000
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2473000
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2306000
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2835000
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2837000
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	29901000
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	30540000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	343679
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.06
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y5M12D
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	21500
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	33.63
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	24229
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.66
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	600
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	27
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CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y25D
CY2023	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	15
CY2023	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	36.16
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	263200
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	23.65
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y3M10D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	367129
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.14
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y10D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	29500
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	33.47
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	29450
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	19.47
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	23500
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	27.25
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	343679
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.06
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y5M12D
CY2022	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	12.47
CY2022	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	36.16
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	246679
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	22.03
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y7M6D
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	1500000
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	2000000
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	541000
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	553000
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	3980000
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3500000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4880000
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	4000000
CY2023	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	354000
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	574000
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	97000
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	21500
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	41350
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	77150
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.74
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.63
CY2023	ck0001641601	Share Based Compensation Arrangement By Share Based Payment Award Estimated Dividend Yield Term ShareBasedCompensationArrangementByShareBasedPaymentAwardEstimatedDividendYieldTerm	The dividend yield is the estimated dividend we expect to pay over the next four or five years
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0150
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0150
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.1000
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.1000
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0389
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0287
CY2023Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	7151000
CY2022Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	3494000
CY2023	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	533000
CY2022	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	708000
CY2023	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	516000
CY2022	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	521000
CY2023Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	10800000
CY2022Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	19100000
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8018000
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	6875000
CY2023	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	2199000
CY2022	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	7684000
CY2023	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	1799000
CY2022	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	6541000
CY2023Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8418000
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8018000
CY2023	ck0001641601	Number Of Transfers NumberOfTransfers	7
CY2022	ck0001641601	Number Of Transfers NumberOfTransfers	7
CY2015Q4	us-gaap	Goodwill Goodwill	9410000
CY2023	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	640000
CY2016	us-gaap	Equity Fair Value Adjustment EquityFairValueAdjustment	640000
CY2022Q4	us-gaap	Goodwill Goodwill	27817000
CY2021Q4	us-gaap	Goodwill Goodwill	27817000
CY2023Q4	us-gaap	Goodwill Goodwill	27817000
CY2022Q4	us-gaap	Goodwill Goodwill	27817000
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3243000
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3582000
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3407000
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3716000
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y6M
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y7M13D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0600
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0600
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	805000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	678000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	479000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	415000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	378000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	1705000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4460000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1053000
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3407000
CY2023	us-gaap	Operating Lease Expense OperatingLeaseExpense	1000000
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	853000
CY2023	ecd	Insider Trd Policies Proc Adopted Flag InsiderTrdPoliciesProcAdoptedFlag	true

Files In Submission

Name	View Source	Status
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Financial_Report.xlsx	Edgar Link	pending
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$RVRF
River Financial Corp Stock $rvrf

2024 Q1 Form 10-K Financial Statement

#000095017024029883 Filed on March 12, 2024

Income Statement

Balance Sheet

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$RVRF River Financial Corp Stock $rvrf

2024 Q1 Form 10-K Financial Statement

#000095017024029883 Filed on March 12, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RVRF
River Financial Corp Stock $rvrf