$STEL
Stellar Bancorp, Inc. Stock $stel

$stel Overview Financials Valuation SEC Filings Company Website

2023 Q2 Form 10-Q Financial Statement

#000147384423000019 Filed on May 04, 2023

Income Statement

Concept	2023 Q2	2023 Q1	2022 Q1
Revenue	$147.0M	$140.4M	$34.02M
YoY Change	307.07%	312.8%	-1.86%
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	$8.700M	$8.700M	$840.0K
YoY Change	938.19%	935.71%	-2.67%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$38.68M	$24.59M	$1.385M
YoY Change	3047.03%	1675.31%	-11.84%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$42.64M	$47.06M	$12.87M
YoY Change	193.39%	265.61%	2.94%
Income Tax	$7.467M	$9.900M	$2.277M
% Of Pretax Income	17.51%	21.04%	17.69%
Net Earnings	$35.18M	$37.15M	$10.60M
YoY Change	200.46%	250.62%	5.75%
Net Earnings / Revenue	23.94%	26.46%	31.15%
Basic Earnings Per Share	$0.66	$0.70	$0.43
Diluted Earnings Per Share	$0.66	$0.70	$0.43
COMMON SHARES
Basic Shares Outstanding	53.30M shares	52.97M shares	24.50M
Diluted Shares Outstanding	53.38M shares	53.14M shares	24.61M

Balance Sheet

Concept	2023 Q2	2023 Q1	2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments			$1.319B
YoY Change			47.58%
Cash & Equivalents	$304.1M	$263.3M	$771.0M
Short-Term Investments			$548.0M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$119.1M	$124.7M	$56.67M
YoY Change	112.72%	120.11%	-6.42%
Goodwill	$497.3M	$497.3M	$81.00M
YoY Change	513.9%	513.9%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets			$16.70M
YoY Change			51.82%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$10.78B	$10.60B	$4.446B
YoY Change	149.37%	138.52%	10.36%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.000M	$4.000M
YoY Change
Accrued Expenses	$21.00M	$22.00M	$13.80M
YoY Change	48.21%	59.42%	-14.29%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$26.00M	$26.00M	$14.00M
YoY Change	85.71%	85.71%	-12.5%
LONG-TERM LIABILITIES
Long-Term Debt	$480.0M	$348.0M	$0.00
YoY Change
Other Long-Term Liabilities	$48.00M	$45.00M	$21.30M
YoY Change	93.38%	111.27%	-34.46%
Total Long-Term Liabilities	$528.0M	$393.0M	$21.30M
YoY Change	2027.23%	1745.07%	-34.46%
TOTAL LIABILITIES
Total Short-Term Liabilities	$26.00M	$26.00M	$14.00M
Total Long-Term Liabilities	$528.0M	$393.0M	$21.30M
Total Liabilities	$9.320B	$9.159B	$3.906B
YoY Change	145.54%	134.46%	12.14%
SHAREHOLDERS EQUITY
Retained Earnings	$361.6M	$333.4M	$244.7M
YoY Change	42.83%	36.25%	10.57%
Common Stock	$533.0K	$533.0K	$253.0K
YoY Change	110.67%	110.67%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)			$14.20M
YoY Change			-1.2%
Treasury Stock Shares			$835.8K
Shareholders Equity	$1.459B	$1.446B	$539.7M
YoY Change
Total Liabilities & Shareholders Equity	$10.78B	$10.60B	$4.446B
YoY Change	149.37%	138.52%	10.36%

Cashflow Statement

Concept	2023 Q2	2023 Q1	2022 Q1
OPERATING ACTIVITIES
Net Income	$35.18M	$37.15M	$10.60M
YoY Change	200.46%	250.62%	5.75%
Depreciation, Depletion And Amortization	$8.700M	$8.700M	$840.0K
YoY Change	938.19%	935.71%	-2.67%
Cash From Operating Activities	$49.00M	$49.02M	$6.504M
YoY Change	241.44%	653.64%	-59.09%
INVESTING ACTIVITIES
Capital Expenditures	$1.300M	$1.238M	-$240.0K
YoY Change	-780.63%	-615.83%	-22.58%
Acquisitions
YoY Change
Other Investing Activities	-$158.7M	$204.3M	-$172.0M
YoY Change	-12.27%	-218.75%	605.95%
Cash From Investing Activities	-$159.9M	$203.0M	-$172.3M
YoY Change	-11.7%	-217.85%	598.01%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	151.7M	-$360.4M	-13.38M
YoY Change	-226.12%	2594.29%	-117.73%
NET CHANGE
Cash From Operating Activities	49.00M	$49.02M	6.504M
Cash From Investing Activities	-159.9M	$203.0M	-172.3M
Cash From Financing Activities	151.7M	-$360.4M	-13.38M
Net Change In Cash	40.80M	-$108.4M	-179.2M
YoY Change	-114.22%	-39.51%	-368.74%
FREE CASH FLOW
Cash From Operating Activities	$49.00M	$49.02M	$6.504M
Capital Expenditures	$1.300M	$1.238M	-$240.0K
Free Cash Flow	$47.70M	$47.78M	$6.744M
YoY Change	228.02%	608.47%	-58.4%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q1	dei	Entity Central Index Key EntityCentralIndexKey	0001473844
CY2023Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2023Q1	dei	Amendment Flag AmendmentFlag	false
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentNet
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#PropertyPlantAndEquipmentNet
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q1	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q1	dei	Document Type DocumentType	10-Q
CY2023Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2023Q1	dei	Document Period End Date DocumentPeriodEndDate	2023-03-31
CY2023Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2023Q1	dei	Entity File Number EntityFileNumber	001-38280
CY2023Q1	dei	Entity Registrant Name EntityRegistrantName	Stellar Bancorp, Inc.
CY2023Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	TX
CY2023Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-8339782
CY2023Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	9 Greenway Plaza
CY2023Q1	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 110
CY2023Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2023Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2023Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77046
CY2023Q1	dei	City Area Code CityAreaCode	713
CY2023Q1	dei	Local Phone Number LocalPhoneNumber	210-7600
CY2023Q1	dei	Security12b Title Security12bTitle	Common Stock, par value, $0.01 per share
CY2023Q1	dei	Trading Symbol TradingSymbol	STEL
CY2023Q1	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023Q1	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2023Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2023Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023Q1	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	53302130	shares
CY2023Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	99231000	usd
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	67063000	usd
CY2023Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	164102000	usd
CY2022Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	304642000	usd
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	263333000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	371705000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1519175000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1807586000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7886044000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7754751000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	96188000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	93180000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7789856000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7661571000	usd
CY2023Q1	us-gaap	Interest Receivable InterestReceivable	42405000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	44743000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	124723000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	126803000	usd
CY2023Q1	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	19676000	usd
CY2022Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	15058000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	103616000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	103094000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	497260000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	497260000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	136665000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	143525000	usd
CY2023Q1	us-gaap	Other Assets OtherAssets	108009000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	129092000	usd
CY2023Q1	us-gaap	Assets Assets	10604718000	usd
CY2022Q4	us-gaap	Assets Assets	10900437000	usd
CY2023Q1	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3877859000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	4230169000	usd
CY2023Q1	us-gaap	Demand Deposit Accounts DemandDepositAccounts	1394244000	usd
CY2022Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	1591828000	usd
CY2023Q1	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2401840000	usd
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2575923000	usd
CY2023Q1	us-gaap	Time Deposits TimeDeposits	1064932000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	869712000	usd
CY2023Q1	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4861016000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	5037463000	usd
CY2023Q1	us-gaap	Deposits Deposits	8738875000	usd
CY2022Q4	us-gaap	Deposits Deposits	9267632000	usd
CY2023Q1	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	3875000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	2098000	usd
CY2023Q1	stel	Borrowed Funds BorrowedFunds	238944000	usd
CY2022Q4	stel	Borrowed Funds BorrowedFunds	63925000	usd
CY2023Q1	us-gaap	Subordinated Debt SubordinatedDebt	109420000	usd
CY2022Q4	us-gaap	Subordinated Debt SubordinatedDebt	109367000	usd
CY2023Q1	us-gaap	Other Liabilities OtherLiabilities	67388000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	74239000	usd
CY2023Q1	us-gaap	Liabilities Liabilities	9158502000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	9517261000	usd
CY2023Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	140000000	shares
CY2022Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	140000000	shares
CY2023Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	53296038	shares
CY2023Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53296038	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52954985	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52954985	shares
CY2023Q1	us-gaap	Common Stock Value CommonStockValue	533000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	530000	usd
CY2023Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1225596000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1222761000	usd
CY2023Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	333368000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	303146000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-113281000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-143261000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1446216000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1383176000	usd
CY2023Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10604718000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10900437000	usd
CY2023Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	125729000	usd
CY2022Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	52370000	usd
CY2023Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	9653000	usd
CY2022Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	5068000	usd
CY2023Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1262000	usd
CY2022Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2525000	usd
CY2023Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	3771000	usd
CY2022Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	340000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	140415000	usd
CY2022Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	60303000	usd
CY2023Q1	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	18037000	usd
CY2022Q1	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	1347000	usd
CY2023Q1	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	3307000	usd
CY2022Q1	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	2156000	usd
CY2023Q1	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	1317000	usd
CY2022Q1	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	186000	usd
CY2023Q1	stel	Interest Expense Subordinated Debt InterestExpenseSubordinatedDebt	1927000	usd
CY2022Q1	stel	Interest Expense Subordinated Debt InterestExpenseSubordinatedDebt	1442000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	24588000	usd
CY2022Q1	us-gaap	Interest Expense InterestExpense	5131000	usd
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	115827000	usd
CY2022Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	55172000	usd
CY2023Q1	stel	Financing Receivable Credit Loss Expense Reversal And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossExpenseReversalAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	3666000	usd
CY2022Q1	stel	Financing Receivable Credit Loss Expense Reversal And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossExpenseReversalAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1814000	usd
CY2023Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	112161000	usd
CY2022Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	53358000	usd
CY2023Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	198000	usd
CY2022Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	522000	usd
CY2022Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	133000	usd
CY2023Q1	stel	Rebate From Correspondent Bank RebateFromCorrespondentBank	1698000	usd
CY2022Q1	stel	Rebate From Correspondent Bank RebateFromCorrespondentBank	819000	usd
CY2023Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3731000	usd
CY2022Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2423000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	7498000	usd
CY2022Q1	us-gaap	Noninterest Income NoninterestIncome	4018000	usd
CY2023Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	39775000	usd
CY2022Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	22728000	usd
CY2023Q1	us-gaap	Occupancy Net OccupancyNet	4088000	usd
CY2022Q1	us-gaap	Occupancy Net OccupancyNet	2205000	usd
CY2023Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1836000	usd
CY2022Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1033000	usd
CY2023Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	5054000	usd
CY2022Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2498000	usd
CY2023Q1	us-gaap	Professional Fees ProfessionalFees	1527000	usd
CY2022Q1	us-gaap	Professional Fees ProfessionalFees	138000	usd
CY2023Q1	stel	Regulatory Assessments And Fdic Insurance RegulatoryAssessmentsAndFDICInsurance	1294000	usd
CY2022Q1	stel	Regulatory Assessments And Fdic Insurance RegulatoryAssessmentsAndFDICInsurance	1261000	usd
CY2023Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6879000	usd
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	751000	usd
CY2023Q1	us-gaap	Communication Communication	701000	usd
CY2022Q1	us-gaap	Communication Communication	341000	usd
CY2023Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	839000	usd
CY2022Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	462000	usd
CY2023Q1	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	-272000	usd
CY2022Q1	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	-59000	usd
CY2023Q1	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	6165000	usd
CY2022Q1	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	451000	usd
CY2023Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4168000	usd
CY2022Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2590000	usd
CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	72598000	usd
CY2022Q1	us-gaap	Noninterest Expense NoninterestExpense	34517000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	47061000	usd
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22859000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9913000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4202000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	37148000	usd
CY2022Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18657000	usd
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2023Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.13
CY2022Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	37148000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	18657000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	37965000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-103621000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	234000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	37731000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-103621000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	7751000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-21761000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	29980000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-81860000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	67128000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-63203000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	816468000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	18657000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-81860000	usd
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2853000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	569000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	959000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	751940000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1383176000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	37148000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	29980000	usd
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.13
CY2023Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	6926000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	257000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2581000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1446216000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	37148000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	18657000	usd
CY2023Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	8715000	usd
CY2022Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1784000	usd
CY2023Q1	stel	Financing Receivable Credit Loss Expense Reversal And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossExpenseReversalAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	3666000	usd
CY2022Q1	stel	Financing Receivable Credit Loss Expense Reversal And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossExpenseReversalAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	1814000	usd
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	453000	usd
CY2022Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	47000	usd
CY2023Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	110000	usd
CY2022Q1	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2797000	usd
CY2023Q1	stel	Excess Tax Benefit From Stock Based Compensation ExcessTaxBenefitFromStockBasedCompensation	47000	usd
CY2022Q1	stel	Excess Tax Benefit From Stock Based Compensation ExcessTaxBenefitFromStockBasedCompensation	149000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	522000	usd
CY2022Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	133000	usd
CY2023Q1	stel	Accretion Amortization Of Discounts And Premiums Loans AccretionAmortizationOfDiscountsAndPremiumsLoans	10093000	usd
CY2022Q1	stel	Accretion Amortization Of Discounts And Premiums Loans AccretionAmortizationOfDiscountsAndPremiumsLoans	77000	usd
CY2023Q1	stel	Accretion Amortization Of Discounts And Premiums Subordinated Debt AccretionAmortizationOfDiscountsAndPremiumsSubordinatedDebt	-29000	usd
CY2022Q1	stel	Accretion Amortization Of Discounts And Premiums Subordinated Debt AccretionAmortizationOfDiscountsAndPremiumsSubordinatedDebt	-29000	usd
CY2023Q1	stel	Accretion Amortization Of Discounts And Premiums Certificates Of Deposit AccretionAmortizationOfDiscountsAndPremiumsCertificatesOfDeposit	11000	usd
CY2022Q1	stel	Accretion Amortization Of Discounts And Premiums Certificates Of Deposit AccretionAmortizationOfDiscountsAndPremiumsCertificatesOfDeposit	16000	usd
CY2023Q1	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	198000	usd
CY2022Q1	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	usd
CY2023Q1	stel	Federal Home Loan Bank Stock Dividends FederalHomeLoanBankStockDividends	207000	usd
CY2022Q1	stel	Federal Home Loan Bank Stock Dividends FederalHomeLoanBankStockDividends	18000	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2581000	usd
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	959000	usd
CY2023Q1	stel	Increase Decrease In Operating Leases IncreaseDecreaseInOperatingLeases	981000	usd
CY2022Q1	stel	Increase Decrease In Operating Leases IncreaseDecreaseInOperatingLeases	767000	usd
CY2023Q1	stel	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	-12129000	usd
CY2022Q1	stel	Increase Decrease In Accrued Interest Receivable And Other Assets IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets	26190000	usd
CY2023Q1	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-5497000	usd
CY2022Q1	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	15785000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	49017000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16056000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	27997000	usd
CY2022Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	640437000	usd
CY2023Q1	stel	Proceeds From Sales And Calls Of Available For Sale Securities ProceedsFromSalesAndCallsOfAvailableForSaleSecurities	320691000	usd
CY2022Q1	stel	Proceeds From Sales And Calls Of Available For Sale Securities ProceedsFromSalesAndCallsOfAvailableForSaleSecurities	0	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	22218000	usd
CY2022Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	763586000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	121392000	usd
CY2022Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	63268000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1238000	usd
CY2022Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	184000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3597000	usd
CY2022Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2023Q1	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	4411000	usd
CY2022Q1	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	0	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	203026000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-186601000	usd
CY2023Q1	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	-352310000	usd
CY2022Q1	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	110519000	usd
CY2023Q1	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-176436000	usd
CY2022Q1	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	4185000	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	175000000	usd
CY2022Q1	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	0	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	6926000	usd
CY2022Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2853000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	257000	usd
CY2022Q1	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	569000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-360415000	usd
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	112420000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-108372000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-58125000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	371705000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	757509000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	263333000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	699384000	usd
CY2023Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2022Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	22811000	usd
CY2022Q1	us-gaap	Interest Paid Net InterestPaidNet	3798000	usd
CY2023Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	1100000	usd
CY2022Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	892000	usd
CY2023Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2022Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	76000	usd
CY2023Q1	stel	Number Of Offices In Which Entity Operates NumberOfOfficesInWhichEntityOperates	55	office
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2022Q4	stel	Merger Shares Consideration Received Ratio MergerSharesConsiderationReceivedRatio	1.4184	shares
CY2022Q4	stel	Merger Shares Consideration Received Ratio MergerSharesConsiderationReceivedRatio	1.4184	shares
CY2021Q4	us-gaap	Goodwill Goodwill	223642000	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	273618000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	497260000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	497260000	usd
CY2023Q1	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	19953000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	24166000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	21528000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	18896000	usd
CY2023Q1	stel	Finite Lived Intangible Asset Expected Amortization After Year Three FiniteLivedIntangibleAssetExpectedAmortizationAfterYearThree	52122000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	136665000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	1662539000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4423000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	147787000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1519175000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	1988916000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4773000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	186103000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1807586000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	77513000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	75609000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	180413000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	170388000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	133301000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	125079000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	422657000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	391499000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	813884000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	762575000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	848655000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	756600000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	1662539000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1519175000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	204153000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4482000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1145728000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	143305000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1349881000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	147787000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	613275000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	43642000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	966550000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	142461000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1579825000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	186103000	usd
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	234000	usd
CY2023Q1	us-gaap	Security Owned And Pledged As Collateral Associated Liabilities Fair Value SecurityOwnedAndPledgedAsCollateralAssociatedLiabilitiesFairValue	1110000000	usd
CY2022Q4	us-gaap	Security Owned And Pledged As Collateral Associated Liabilities Fair Value SecurityOwnedAndPledgedAsCollateralAssociatedLiabilitiesFairValue	978900000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7886044000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7754751000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	96188000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	93180000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7789856000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7661571000	usd
CY2023Q1	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	35300000	usd
CY2022Q4	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	34100000	usd
CY2023Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	43413000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7886044000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	45048000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7754751000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	308634000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	2692791000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1729075000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	768122000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	559773000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	831340000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	929685000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan	66624000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7886044000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7754751000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	0	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	103000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	51000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	-2000	usd
CY2023Q1	us-gaap	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	0	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	264000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Converted To Term Loan Writeoff FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff	18000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	434000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	93180000	usd
CY2023Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3200000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	434000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	242000	usd
CY2023Q1	stel	Financing Receivable Allowance For Credit Loss Net Write Off Recovery FinancingReceivableAllowanceForCreditLossNetWriteOffRecovery	-192000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	96188000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	47940000	usd
CY2022Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1592000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	707000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	390000	usd
CY2022Q1	stel	Financing Receivable Allowance For Credit Loss Net Write Off Recovery FinancingReceivableAllowanceForCreditLossNetWriteOffRecovery	-317000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	49215000	usd
CY2023Q1	stel	Financing Receivable Excluding Accrued Interest Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Collateral Dependent FinancingReceivableExcludingAccruedInterestFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCollateralDependent	24084000	usd
CY2022Q4	stel	Financing Receivable Excluding Accrued Interest Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Collateral Dependent FinancingReceivableExcludingAccruedInterestFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossCollateralDependent	23531000	usd
CY2023Q1	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
CY2022	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
CY2023Q1	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	12784000	usd
CY2023Q1	stel	Financing Receivable Nonaccrual With Related Allowance FinancingReceivableNonaccrualWithRelatedAllowance	30629000	usd
CY2023Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	43413000	usd
CY2022Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	16535000	usd
CY2022Q4	stel	Financing Receivable Nonaccrual With Related Allowance FinancingReceivableNonaccrualWithRelatedAllowance	28513000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	45048000	usd
CY2023Q1	stel	Financing Receivable Concessions Granted Percent To Loan Portfolio FinancingReceivableConcessionsGrantedPercentToLoanPortfolio	0.01
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	3870000	usd
CY2023Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	4	contract
CY2023Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1207000	usd
CY2023Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1207000	usd
CY2023Q1	stel	Number Of Leased Branch Locations And Office Space Along With Equipment NumberOfLeasedBranchLocationsAndOfficeSpaceAlongWithEquipment	32	lease
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22557000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	23538000	usd
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	22249000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	23136000	usd
CY2023Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M2D
CY2023Q1	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	203400000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y2M4D
CY2023Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0403
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0400
CY2023Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	1809000	usd
CY2022Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	892000	usd
CY2023Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5000	usd
CY2022Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2023Q1	us-gaap	Lease Cost LeaseCost	1814000	usd
CY2022Q1	us-gaap	Lease Cost LeaseCost	892000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3372000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4634000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4121000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4121000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3684000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3684000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3132000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3132000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2918000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2918000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9303000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9303000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	26530000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	27792000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4281000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4656000	usd
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	22249000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	23136000	usd
CY2023Q1	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	498100000	usd
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	432900000	usd
CY2023Q1	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	925920000	usd
CY2023Q1	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	101424000	usd
CY2023Q1	stel	Time Deposits After Two Years TimeDepositsAfterTwoYears	37588000	usd
CY2023Q1	us-gaap	Time Deposits TimeDeposits	1064932000	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	72500000	usd
CY2023Q1	stel	Number Of Interest Rate Swap Agreements Outstanding NumberOfInterestRateSwapAgreementsOutstanding	15	interest_rate_swap
CY2022	stel	Number Of Interest Rate Swap Agreements Outstanding NumberOfInterestRateSwapAgreementsOutstanding	14	interest_rate_swap
CY2022	stel	Number Of Credit Risk Participation Agreements NumberOfCreditRiskParticipationAgreements	3	creditagreement
CY2023Q1	stel	Number Of Credit Risk Participation Agreements NumberOfCreditRiskParticipationAgreements	3	creditagreement
CY2023Q1	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	11341000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9900000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4200000	usd
CY2023Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.211
CY2022Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.184
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	2000000	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1103050	shares
CY2023Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2600000	usd
CY2022Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	959000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	368000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.89
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y8M19D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4256000	usd
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2023Q1	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	19000	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.45
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	21000	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	22.05
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	328000	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.89
CY2023Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y6M14D
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	2282000	usd
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	328000	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.89
CY2023Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y6M14D
CY2023Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	2282000	usd
CY2023Q1	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800
CY2023Q1	us-gaap	Excess Capital ExcessCapital	935644000	usd
CY2023Q1	stel	Offbalance Sheet Financial Instrument Fixed Rate Contractual Amount OffbalanceSheetFinancialInstrumentFixedRateContractualAmount	620891000	usd
CY2023Q1	stel	Off Balance Sheet Financial Instrument Variable Rate Contractual Amount OffBalanceSheetFinancialInstrumentVariableRateContractualAmount	1750300000	usd
CY2022Q4	stel	Offbalance Sheet Financial Instrument Fixed Rate Contractual Amount OffbalanceSheetFinancialInstrumentFixedRateContractualAmount	683408000	usd
CY2022Q4	stel	Off Balance Sheet Financial Instrument Variable Rate Contractual Amount OffBalanceSheetFinancialInstrumentVariableRateContractualAmount	1711817000	usd
CY2023Q1	stel	Commitments To Make Loans Period CommitmentsToMakeLoansPeriod	P120D
CY2023Q1	stel	Off Balance Sheet Fixed Rate Loan Commitments Weighted Average Maturity OffBalanceSheetFixedRateLoanCommitmentsWeightedAverageMaturity	P2Y7M13D
CY2023Q1	stel	Capital Conservation Buffer CapitalConservationBuffer	0.025
CY2022Q4	stel	Capital Conservation Buffer CapitalConservationBuffer	0.025
CY2023Q1	us-gaap	Capital Capital	1133335000	usd
CY2023Q1	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1272
CY2023Q1	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	712872000	usd
CY2023Q1	us-gaap	Excess Capital To Risk Weighted Assets ExcessCapitalToRiskWeightedAssets	0.1050
CY2023Q1	stel	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	925572000	usd
CY2023Q1	stel	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1039
CY2023Q1	stel	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	400990000	usd
CY2023Q1	stel	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeighted	0.0450
CY2023Q1	stel	Excess Common Equity Tier One Risk Based Capital ExcessCommonEquityTierOneRiskBasedCapital	623763000	usd
CY2023Q1	stel	Excess Common Equity Tier One Risk Based Capital To Risk Weighted Assets ExcessCommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.0700
CY2023Q1	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	935470000	usd
CY2023Q1	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1050
CY2023Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	534654000	usd
CY2023Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0600
CY2023Q1	us-gaap	Excess Tier One Risk Based Capital ExcessTierOneRiskBasedCapital	757426000	usd
CY2023Q1	us-gaap	Excess Tier One Risk Based Capital To Risk Weighted Assets ExcessTierOneRiskBasedCapitalToRiskWeightedAssets	0.0850
CY2023Q1	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	935470000	usd
CY2023Q1	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0901
CY2023Q1	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	415184000	usd
CY2023Q1	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400
CY2023Q1	us-gaap	Excess Tier One Leverage Capital ExcessTierOneLeverageCapital	415184000	usd
CY2023Q1	us-gaap	Excess Tier One Leverage Capital To Average Assets ExcessTierOneLeverageCapitalToAverageAssets	0.0400
CY2022Q4	us-gaap	Capital Capital	1092618000	usd
CY2022Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1239
CY2022Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	705765000	usd
CY2022Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800
CY2022Q4	us-gaap	Excess Capital ExcessCapital	926317000	usd
CY2022Q4	us-gaap	Excess Capital To Risk Weighted Assets ExcessCapitalToRiskWeightedAssets	0.1050
CY2022Q4	stel	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	885652000	usd
CY2022Q4	stel	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1004
CY2022Q4	stel	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	396993000	usd
CY2022Q4	stel	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeighted	0.0450
CY2022Q4	stel	Excess Common Equity Tier One Risk Based Capital ExcessCommonEquityTierOneRiskBasedCapital	617545000	usd
CY2022Q4	stel	Excess Common Equity Tier One Risk Based Capital To Risk Weighted Assets ExcessCommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.0700
CY2022Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	895520000	usd
CY2022Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1015
CY2022Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	529324000	usd
CY2022Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0600
CY2022Q4	us-gaap	Excess Tier One Risk Based Capital ExcessTierOneRiskBasedCapital	749876000	usd
CY2022Q4	us-gaap	Excess Tier One Risk Based Capital To Risk Weighted Assets ExcessTierOneRiskBasedCapitalToRiskWeightedAssets	0.0850
CY2022Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	895520000	usd
CY2022Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0855
CY2022Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	418720000	usd
CY2022Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400
CY2022Q4	us-gaap	Excess Tier One Leverage Capital ExcessTierOneLeverageCapital	418720000	usd
CY2022Q4	us-gaap	Excess Tier One Leverage Capital To Average Assets ExcessTierOneLeverageCapitalToAverageAssets	0.0400
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	37148000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	18657000	usd
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53021000	shares
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28883000	shares
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	117000	shares
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	231000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53138000	shares
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29114000	shares
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64

Files In Submission

Name	View Source	Status
0001473844-23-000019-index-headers.html	Edgar Link	pending
0001473844-23-000019-index.html	Edgar Link	pending
0001473844-23-000019.txt	Edgar Link	pending
0001473844-23-000019-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
stel-20230331.htm	Edgar Link	pending
stel-20230331.xsd	Edgar Link	pending
stel-20230331_htm.xml	Edgar Link	completed
stel2023033110qex311.htm	Edgar Link	pending
stel2023033110qex312.htm	Edgar Link	pending
stel2023033110qex321.htm	Edgar Link	pending
stel2023033110qex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
stel-20230331_cal.xml	Edgar Link	unprocessable
stel-20230331_lab.xml	Edgar Link	unprocessable
stel-20230331_def.xml	Edgar Link	unprocessable
stel-20230331_pre.xml	Edgar Link	unprocessable

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$STEL
Stellar Bancorp, Inc. Stock $stel

2023 Q2 Form 10-Q Financial Statement

#000147384423000019 Filed on May 04, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STEL Stellar Bancorp, Inc. Stock $stel

2023 Q2 Form 10-Q Financial Statement

#000147384423000019 Filed on May 04, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STEL
Stellar Bancorp, Inc. Stock $stel