$SASR
Sandy Spring Bancorp Inc Stock $sasr

$sasr Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000082441024000045 Filed on November 08, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$170.1M
YoY Change		4.73%
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
YoY Change
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income		$21.87M
YoY Change		-20.85%
Income Tax		$5.665M
% Of Pretax Income		25.9%
Net Earnings		$16.20M
YoY Change		-21.89%
Net Earnings / Revenue		9.53%
Basic Earnings Per Share		$0.36
Diluted Earnings Per Share		$0.36
COMMON SHARES
Basic Shares Outstanding	45.14M shares	45.11M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$750.3M
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		$57.25M
YoY Change		-20.83%
Goodwill		$363.4M
YoY Change		0.0%
Intangibles		$30.51M
YoY Change		90.3%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets		$14.38B
YoY Change		1.75%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$124.5M
YoY Change		14.24%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt		$70.77M
YoY Change		-80.72%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$195.3M
YoY Change		-62.87%
LONG-TERM LIABILITIES
Long-Term Debt		$371.3M
YoY Change		0.07%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities		$371.3M
YoY Change		0.07%
TOTAL LIABILITIES
Total Short-Term Liabilities		$195.3M
Total Long-Term Liabilities		$371.3M
Total Liabilities		$12.75B
YoY Change		1.25%
SHAREHOLDERS EQUITY
Retained Earnings		$911.4M
YoY Change		2.69%
Common Stock		$793.3M
YoY Change		0.95%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$1.629B
YoY Change
Total Liabilities & Shareholders Equity		$14.38B
YoY Change		1.75%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$16.20M
YoY Change		-21.89%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities
YoY Change
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities
YoY Change
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities
YoY Change
NET CHANGE
Cash From Operating Activities
Cash From Investing Activities
Cash From Financing Activities
Net Change In Cash
YoY Change
FREE CASH FLOW
Cash From Operating Activities
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Central Index Key EntityCentralIndexKey	0000824410
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	SANDY SPRING BANCORP, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	52-1532952
	dei	Entity Address Address Line1 EntityAddressAddressLine1	17801 Georgia Avenue
	dei	Entity Address City Or Town EntityAddressCityOrTown	Olney
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MD
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	20832
	dei	City Area Code CityAreaCode	301
	dei	Local Phone Number LocalPhoneNumber	774-6400
	dei	Security12b Title Security12bTitle	Common Stock, par value $1.00 per share
	dei	Entity File Number EntityFileNumber	0-19065
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	45135694	shares
CY2024Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	109583000	usd
CY2024Q3	us-gaap	Federal Funds Sold FederalFundsSold	0	usd
CY2023Q4	us-gaap	Federal Funds Sold FederalFundsSold	245000	usd
CY2024Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	640763000	usd
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	450000000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	550000000	usd
CY2023Q4	us-gaap	Subordinated Debt SubordinatedDebt	370803000	usd
CY2023Q4	sasr	Accrued Interest Payable And Other Liabilities AccruedInterestPayableAndOtherLiabilities	147657000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	12754236000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	12440030000	usd
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	45125000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	44914000	usd
CY2024Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	748202000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	742243000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	911411000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	898316000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-75901000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-97331000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1628837000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1588142000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	14383073000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	14028172000	usd
CY2024Q3	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	154339000	usd
CY2023Q3	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	147304000	usd
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	456309000	usd
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	431305000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	42302000	usd
	dei	Document Type DocumentType	10-Q
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024Q3	sasr	Long Term Debt Federal Reserve Bank Borrowings LongTermDebtFederalReserveBankBorrowings	0	usd
CY2023Q4	sasr	Long Term Debt Federal Reserve Bank Borrowings LongTermDebtFederalReserveBankBorrowings	300000000	usd
CY2024Q3	us-gaap	Subordinated Debt SubordinatedDebt	371251000	usd
CY2024Q3	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	892018000	usd
CY2023Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1295835000	usd
CY2024Q3	sasr	Accrued Interest Payable And Other Liabilities AccruedInterestPayableAndOtherLiabilities	124524000	usd
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	45125078	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	45125078	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	44913561	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	44913561	shares
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	21319000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	20538000	usd
CY2024Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	170098000	usd
CY2023Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	162411000	usd
CY2024Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	79287000	usd
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	82257000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	845000	usd
CY2024Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2697000	usd
CY2024Q3	us-gaap	Noninterest Income NoninterestIncome	19715000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	17391000	usd
CY2024Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	41030000	usd
CY2023Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	44853000	usd
CY2024Q3	us-gaap	Occupancy Net OccupancyNet	4657000	usd
CY2023Q3	us-gaap	Occupancy Net OccupancyNet	4609000	usd
CY2024Q3	us-gaap	Equipment Expense EquipmentExpense	3841000	usd
CY2023Q3	us-gaap	Equipment Expense EquipmentExpense	3811000	usd
CY2024Q3	us-gaap	Marketing Expense MarketingExpense	1320000	usd
CY2023Q3	us-gaap	Marketing Expense MarketingExpense	729000	usd
CY2023Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2819000	usd
CY2024Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2773000	usd
CY2023Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2333000	usd
CY2023Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1245000	usd
CY2024Q3	us-gaap	Professional Fees ProfessionalFees	6577000	usd
CY2023Q3	us-gaap	Professional Fees ProfessionalFees	4509000	usd
CY2024Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7391000	usd
CY2023Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7563000	usd
CY2024Q3	us-gaap	Noninterest Expense NoninterestExpense	72937000	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	72471000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	21874000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27636000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5665000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6890000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	16209000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	20746000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2024Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.34
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.34
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	16209000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	20746000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	34416000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-23730000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	8634000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-5873000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	25782000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-17857000	usd
CY2024Q3	sasr	Oci Debt Securities Available For Sale Transfer To Held To Maturity Amortization Of Unrealized Holding Gain Loss Before Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAmortizationOfUnrealizedHoldingGainLossBeforeAdjustmentAndTax	401000	usd
CY2023Q3	sasr	Oci Debt Securities Available For Sale Transfer To Held To Maturity Amortization Of Unrealized Holding Gain Loss Before Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAmortizationOfUnrealizedHoldingGainLossBeforeAdjustmentAndTax	451000	usd
CY2023Q3	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Unrealized Holding Gain Loss Before Adjustment Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityUnrealizedHoldingGainLossBeforeAdjustmentTax	127000	usd
CY2024Q3	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Gain Loss After Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityGainLossAfterAdjustmentAndTax	311000	usd
CY2023Q3	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Gain Loss After Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityGainLossAfterAdjustmentAndTax	324000	usd
CY2024Q3	sasr	Other Comprehensive Income Loss Defined Benefit Plan Amortization Of Net Loss OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationOfNetLoss	0	usd
CY2023Q3	sasr	Other Comprehensive Income Loss Defined Benefit Plan Amortization Of Net Loss OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationOfNetLoss	-10286000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	usd
CY2023Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2620000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	usd
CY2023Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	7666000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	26093000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	42302000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10879000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	120520000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	16776000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	19052000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	127598000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-96764000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	481000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12801000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9914000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-139487000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	741557000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	198632000	usd
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-304265000	usd
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	44614000	usd
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	usd
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	2030000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	100000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	2030000000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1248000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2051000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1519000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1821000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	46293000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	45863000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	290728000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	197613000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	204448000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	525359000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	545898000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	192232000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	750346000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	717591000	usd
	us-gaap	Interest Paid Net InterestPaidNet	170336000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	18466000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	27345000	usd
	sasr	Loans Transferred From Loans To Other Real Estate Owned LoansTransferredFromLoansToOtherRealEstateOwned	3265000	usd
	sasr	Loans Transferred From Loans To Other Real Estate Owned LoansTransferredFromLoansToOtherRealEstateOwned	0	usd
CY2023Q4	us-gaap	Number Of Reporting Units NumberOfReportingUnits	2	reporting_unit
CY2023Q4	us-gaap	Number Of Reporting Units NumberOfReportingUnits	2	reporting_unit
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	1239762000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1639000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	92345000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1149056000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	1220819000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	182000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	118320000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1102681000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	220296000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	30443000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	189853000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	236165000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	35754000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	200411000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale And Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	1460058000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale And Held To Maturity Cumulative Unrecognized Gain DebtSecuritiesAvailableForSaleAndHeldToMaturityCumulativeUnrecognizedGain	1639000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale And Held To Maturity Cumulative Unrecognized Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityCumulativeUnrecognizedLoss	122788000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale And Held To Maturity Fair Value DebtSecuritiesAvailableForSaleAndHeldToMaturityFairValue	1338909000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss	1456984000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Cumulative Unrecognized Gain DebtSecuritiesAvailableForSaleAndHeldToMaturityCumulativeUnrecognizedGain	182000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Cumulative Unrecognized Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityCumulativeUnrecognizedLoss	154074000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Fair Value DebtSecuritiesAvailableForSaleAndHeldToMaturityFairValue	1303092000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	454	security
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	96111000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	568000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	942569000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	91777000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1038680000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	92345000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	454	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	26893000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	190000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1050289000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	118130000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1077182000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	118320000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	1239762000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1102681000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	1220819000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	189853000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	220296000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	200411000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	236165000	usd
CY2024Q3	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	39268000	usd
CY2023Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	39125000	usd
CY2024Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	31191000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	35805000	usd
CY2024Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	677000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	677000	usd
CY2024Q3	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	71136000	usd
CY2023Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	75607000	usd
CY2024Q3	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	6600000	usd
CY2023Q4	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	7000000.0	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11491921000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11366989000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	120865000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	136242000	usd
	sasr	Financing Receivable Loans Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableLoansExcludingAccruedInterestCreditLossExpenseReversal	-11320000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2810000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2518000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	771000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	956000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	2039000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	1562000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	131428000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	123360000	usd
CY2024Q3	sasr	Financing Receivable Individually Evaluated For Impairment With An Allowance FinancingReceivableIndividuallyEvaluatedForImpairmentWithAnAllowance	96088000	usd
CY2023Q4	sasr	Financing Receivable Individually Evaluated For Impairment With An Allowance FinancingReceivableIndividuallyEvaluatedForImpairmentWithAnAllowance	72179000	usd
CY2024Q3	sasr	Financing Receivable Individually Evaluated For Impairment Without An Allowance FinancingReceivableIndividuallyEvaluatedForImpairmentWithoutAnAllowance	25131000	usd
CY2023Q4	sasr	Financing Receivable Individually Evaluated For Impairment Without An Allowance FinancingReceivableIndividuallyEvaluatedForImpairmentWithoutAnAllowance	15989000	usd
CY2024Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	121219000	usd
CY2023Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	88168000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	37326000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	24000000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	94102000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	96865000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	131428000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	120865000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	120865000	usd
	sasr	Financing Receivable Loans Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableLoansExcludingAccruedInterestCreditLossExpenseReversal	12602000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2810000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	771000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	2039000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	131428000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11491921000	usd
CY2024Q3	sasr	Financing Receivable Allowance For Credit Losses To Total Loans Ratio FinancingReceivableAllowanceForCreditLossesToTotalLoansRatio	0.0114
	us-gaap	Financing Receivables Before Allowance For Credit Loss Average Amount Outstanding FinancingReceivablesBeforeAllowanceForCreditLossAverageAmountOutstanding	11409514000	usd
	sasr	Financing Receivable Write Off Recovery To Average Outstanding Percent FinancingReceivableWriteOffRecoveryToAverageOutstandingPercent	0.0002
CY2024Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	121219000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	37326000	usd
CY2024Q3	sasr	Financing Receivable Individual Allowance For Credit Losses To Total Loans Ratio FinancingReceivableIndividualAllowanceForCreditLossesToTotalLoansRatio	0.3079
CY2024Q3	sasr	Unpaid Contractual Principal Balance UnpaidContractualPrincipalBalance	125181000	usd
CY2024Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	11370702000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	94102000	usd
CY2024Q3	sasr	Financing Receivable Collective Allowance For Credit Losses To Total Loans Ratio FinancingReceivableCollectiveAllowanceForCreditLossesToTotalLoansRatio	0.0083
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	136242000	usd
CY2023	sasr	Financing Receivable Loans Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableLoansExcludingAccruedInterestCreditLossExpenseReversal	-13894000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2614000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	1131000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	1483000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11366989000	usd
CY2023Q4	sasr	Financing Receivable Allowance For Credit Losses To Total Loans Ratio FinancingReceivableAllowanceForCreditLossesToTotalLoansRatio	0.0106
CY2023	us-gaap	Financing Receivables Before Allowance For Credit Loss Average Amount Outstanding FinancingReceivablesBeforeAllowanceForCreditLossAverageAmountOutstanding	11354227000	usd
CY2023	sasr	Financing Receivable Write Off Recovery To Average Outstanding Percent FinancingReceivableWriteOffRecoveryToAverageOutstandingPercent	0.0001
CY2023Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	88168000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	24000000	usd
CY2023Q4	sasr	Financing Receivable Individual Allowance For Credit Losses To Total Loans Ratio FinancingReceivableIndividualAllowanceForCreditLossesToTotalLoansRatio	0.2722
CY2023Q4	sasr	Unpaid Contractual Principal Balance UnpaidContractualPrincipalBalance	91105000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	96865000	usd
CY2023Q4	sasr	Financing Receivable Collective Allowance For Credit Losses To Total Loans Ratio FinancingReceivableCollectiveAllowanceForCreditLossesToTotalLoansRatio	0.0086
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11491921000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11366989000	usd
	sasr	Average Financing Receivable Recorded Investment Nonaccrual Status AverageFinancingReceivableRecordedInvestmentNonaccrualStatus	100533000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	4499000	usd
CY2023	sasr	Average Financing Receivable Recorded Investment Nonaccrual Status AverageFinancingReceivableRecordedInvestmentNonaccrualStatus	58813000	usd
CY2023	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	2552000	usd
	sasr	Financing Receivable Nonaccrual Interest Income Recognized FinancingReceivableNonaccrualInterestIncomeRecognized	0	usd
	sasr	Nonaccrual Status Uncollected Accrued Interest NonaccrualStatusUncollectedAccruedInterest	1400000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	990390000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	931399000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	2880790000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	2232924000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	1048879000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	2361522000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1046017000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11491921000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1245085000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	2958596000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	2375873000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	1175656000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	870390000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	1776440000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	964949000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11366989000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	53202000	usd
CY2024Q3	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.005
CY2024Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	1000000.0	usd
CY2023Q4	us-gaap	Goodwill Goodwill	363436000	usd
	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	0	usd
CY2024Q3	us-gaap	Goodwill Goodwill	363436000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	61132000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	34840000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26292000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	53366000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	28313000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	25053000	usd
CY2024Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	65354000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	34840000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	30514000	usd
CY2023Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	56614000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	28313000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	28301000	usd
CY2024Q3	us-gaap	Goodwill Gross GoodwillGross	363436000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	363436000	usd
CY2023Q4	us-gaap	Goodwill Gross GoodwillGross	363436000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	363436000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2533000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	7460000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6161000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4928000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3622000	usd
CY2024Q3	sasr	Finite Lived Intangible Asset Expected Amortization After Year Four FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour	1588000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26292000	usd
CY2024Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2903063000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2914161000	usd
CY2024Q3	us-gaap	Demand Deposit Accounts DemandDepositAccounts	1456606000	usd
CY2023Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	1463679000	usd
CY2024Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	3033302000	usd
CY2023Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	2628918000	usd
CY2024Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1744214000	usd
CY2023Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1275225000	usd
CY2024Q3	sasr	Time Deposits Less Than250000 TimeDepositsLessThan250000	1873594000	usd
CY2023Q4	sasr	Time Deposits Less Than250000 TimeDepositsLessThan250000	2068259000	usd
CY2024Q3	sasr	Time Deposits250000 Or More TimeDeposits250000OrMore	726915000	usd
CY2023Q4	sasr	Time Deposits250000 Or More TimeDeposits250000OrMore	646296000	usd
CY2024Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8834631000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8082377000	usd
CY2024Q3	us-gaap	Deposits Deposits	11737694000	usd
CY2023Q4	us-gaap	Deposits Deposits	10996538000	usd
CY2024Q3	us-gaap	Subordinated Debt SubordinatedDebt	371251000	usd
CY2023Q4	us-gaap	Subordinated Debt SubordinatedDebt	370803000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	146000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	124000	usd
CY2024Q3	sasr	Defined Benefit Plan Recognized Net Actuarial Loss DefinedBenefitPlanRecognizedNetActuarialLoss	0	usd
CY2023Q3	sasr	Defined Benefit Plan Recognized Net Actuarial Loss DefinedBenefitPlanRecognizedNetActuarialLoss	75000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherAssets
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2024#OtherAssets
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://www.sandyspringbank.com/20240930#AccruedInterestPayableAndOtherLiabilities
CY2024Q3	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://www.sandyspringbank.com/20240930#AccruedInterestPayableAndOtherLiabilities
CY2023Q3	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestAndDividendIncomeOperating
CY2024Q3	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestAndDividendIncomeOperating
	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestAndDividendIncomeOperating
	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2024#InterestAndDividendIncomeOperating
	dei	Trading Symbol TradingSymbol	SASR
CY2023Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	463396000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	750346000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	545898000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	189853000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	200411000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	220296000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	236165000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1149056000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1102681000	usd
CY2024Q3	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	71136000	usd
CY2023Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	75607000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11491921000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	11366989000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	131428000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	120865000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	11360493000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	11246124000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	57249000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	59490000	usd
CY2024Q3	us-gaap	Foreclosed Assets ForeclosedAssets	3265000	usd
CY2023Q4	us-gaap	Foreclosed Assets ForeclosedAssets	0	usd
CY2024Q3	us-gaap	Interest Receivable InterestReceivable	45162000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	46583000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	363436000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	363436000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	30514000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	28301000	usd
CY2024Q3	us-gaap	Other Assets OtherAssets	310206000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	313051000	usd
CY2024Q3	us-gaap	Assets Assets	14383073000	usd
CY2023Q4	us-gaap	Assets Assets	14028172000	usd
CY2024Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2903063000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2914161000	usd
CY2024Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8834631000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8082377000	usd
CY2024Q3	us-gaap	Deposits Deposits	11737694000	usd
CY2023Q4	us-gaap	Deposits Deposits	10996538000	usd
CY2024Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	70767000	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	75032000	usd
CY2024Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	6191000	usd
CY2023Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	6371000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	17401000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	13979000	usd
CY2024Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7440000	usd
CY2023Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6682000	usd
CY2024Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1762000	usd
CY2023Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1811000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	5385000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	5376000	usd
CY2024Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	0	usd
CY2023Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	5000	usd
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	8000	usd
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	13000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	501225000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	471908000	usd
CY2023Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	63102000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	227062000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	155215000	usd
CY2024Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	452000	usd
CY2023Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	4082000	usd
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	4890000	usd
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	10377000	usd
CY2024Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	5001000	usd
CY2023Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	6200000	usd
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	16394000	usd
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	21623000	usd
CY2024Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	3946000	usd
CY2023Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	3946000	usd
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	11839000	usd
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	11839000	usd
CY2024Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	88686000	usd
CY2023Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	77330000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	260185000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	199054000	usd
CY2024Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	81412000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	85081000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	241040000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	272854000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	6316000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	2365000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	9724000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	-14116000	usd
CY2024Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	75096000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	82716000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	231316000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	286970000	usd
CY2024Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1307000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4283000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3003000	usd
CY2023Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2319000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7653000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	6344000	usd
	us-gaap	Noninterest Income NoninterestIncome	57669000	usd
	us-gaap	Noninterest Income NoninterestIncome	50518000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	115549000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	124710000	usd
	us-gaap	Occupancy Net OccupancyNet	14278000	usd
	us-gaap	Occupancy Net OccupancyNet	14220000	usd
	us-gaap	Equipment Expense EquipmentExpense	11672000	usd
	us-gaap	Equipment Expense EquipmentExpense	11688000	usd
	us-gaap	Marketing Expense MarketingExpense	3350000	usd
	us-gaap	Marketing Expense MarketingExpense	3861000	usd
CY2024Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3025000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	9414000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	8186000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	8635000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6846000	usd
CY2024Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2323000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6527000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3820000	usd
	us-gaap	Professional Fees ProfessionalFees	16403000	usd
	us-gaap	Professional Fees ProfessionalFees	12354000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	23219000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22227000	usd
	us-gaap	Noninterest Expense NoninterestExpense	209047000	usd
	us-gaap	Noninterest Expense NoninterestExpense	207912000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	79938000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	129576000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20550000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32832000	usd
	us-gaap	Net Income Loss NetIncomeLoss	59388000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96744000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.15
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.02
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.02
	us-gaap	Net Income Loss NetIncomeLoss	59388000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96744000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	27432000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-16555000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	6862000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-4045000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	20570000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-12510000	usd
	sasr	Oci Debt Securities Available For Sale Transfer To Held To Maturity Amortization Of Unrealized Holding Gain Loss Before Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAmortizationOfUnrealizedHoldingGainLossBeforeAdjustmentAndTax	1137000	usd
	sasr	Oci Debt Securities Available For Sale Transfer To Held To Maturity Amortization Of Unrealized Holding Gain Loss Before Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAmortizationOfUnrealizedHoldingGainLossBeforeAdjustmentAndTax	1314000	usd
CY2024Q3	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Unrealized Holding Gain Loss Before Adjustment Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityUnrealizedHoldingGainLossBeforeAdjustmentTax	90000	usd
	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Unrealized Holding Gain Loss Before Adjustment Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityUnrealizedHoldingGainLossBeforeAdjustmentTax	277000	usd
	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Unrealized Holding Gain Loss Before Adjustment Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityUnrealizedHoldingGainLossBeforeAdjustmentTax	347000	usd
	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Gain Loss After Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityGainLossAfterAdjustmentAndTax	860000	usd
	sasr	Oci Debt Securities Available For Sale Transfers To Held To Maturity Gain Loss After Adjustment And Tax OCIDebtSecuritiesAvailableForSaleTransfersToHeldToMaturityGainLossAfterAdjustmentAndTax	967000	usd
	sasr	Other Comprehensive Income Loss Defined Benefit Plan Amortization Of Net Loss OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationOfNetLoss	0	usd
	sasr	Other Comprehensive Income Loss Defined Benefit Plan Amortization Of Net Loss OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationOfNetLoss	-10737000	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2735000	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	8002000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9867000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	21430000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3541000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	80818000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	93203000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	1599004000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	16209000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	26093000	usd
CY2024Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.34
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15350000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2580000	usd
CY2024Q3	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	700	shares
CY2024Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8000	usd
CY2024Q3	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	14006	shares
CY2024Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	294000	usd
CY2024Q3	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	701	shares
CY2024Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-1000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1628837000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	1539032000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	20746000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9867000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10879000	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.34
CY2023Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15289000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2762000	usd
CY2023Q3	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	17179	shares
CY2023Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	188000	usd
CY2023Q3	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	15610	shares
CY2023Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	342000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1537914000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1588142000	usd
	us-gaap	Net Income Loss NetIncomeLoss	59388000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	21430000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	80818000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.02
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	46293000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6441000	usd
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10638	shares
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	117000	usd
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	49108	shares
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1013000	usd
	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	151771	shares
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-1401000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1628837000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1483768000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96744000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3541000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	93203000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.02
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	46021000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6734000	usd
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	58100	shares
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	705000	usd
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	47149	shares
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1186000	usd
	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	132855	shares
	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-1661000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1537914000	usd
	us-gaap	Net Income Loss NetIncomeLoss	59388000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96744000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	19196000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	16316000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	9724000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-14116000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	6441000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	6734000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	205000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4744000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	285227000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	296913000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	278391000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	293750000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	4242000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	4366000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	96000	usd
	sasr	Excess Tax Benefit From Share Based Compensation ExcessTaxBenefitFromShareBasedCompensation	-513000	usd
	sasr	Excess Tax Benefit From Share Based Compensation ExcessTaxBenefitFromShareBasedCompensation	-296000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-1421000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	3928000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	6673000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	10062000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-25984000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	17979000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-54000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-66000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	53207000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	107148000	usd
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	4471000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	6305000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	163868000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	143533000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	220598000	usd
	us-gaap	Interest Paid Net InterestPaidNet	272069000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the financial statements, in addition to affecting the reported amounts of revenues earned and expenses incurred during the reporting period. Actual results could differ from those estimates. Estimates that could change significantly relate to the provision for credit losses and the related allowance, potential impairment of goodwill or other intangible assets, valuation of investment securities and the determination of whether available-for-sale debt securities with fair values less than amortized costs are impaired and require an allowance for credit losses, valuation of other real estate owned, valuation of share based compensation, the assessment that a liability should be recognized with respect to any matters under litigation, and the calculation of current and deferred income taxes.</span></div>
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1149056000	usd
	sasr	Financing Receivable Loans Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableLoansExcludingAccruedInterestCreditLossExpenseReversal	12602000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	120865000	usd
CY2023Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	11278821000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	23481000	usd
CY2023Q3	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.002
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	61158000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.005
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	59832000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.005
CY2024Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	3400000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Past12 Months FinancingReceivableExcludingAccruedInterestModifiedPast12Months	61158000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Past12 Months FinancingReceivableExcludingAccruedInterestModifiedPast12Months	59832000	usd
	sasr	Financing Receivable Modified Subsequent Default Number Of Contracts FinancingReceivableModifiedSubsequentDefaultNumberOfContracts	4	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	2400000	usd
CY2024Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	3000000000.0	usd
CY2024Q3	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	450000000.0	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	3100000000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	550000000.0	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	80195	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	19.07
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y2M12D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	621000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10638	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	10.96
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	150000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	6981	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	41.97
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	62576	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.89
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	894000	usd
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	62576	shares
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.89
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y
CY2024Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	894000	usd
CY2023	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1300000	usd
CY2023	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-8200000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	0	usd
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	0	usd
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1021000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	0	usd
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	0	usd
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	870000	usd
	sasr	Defined Benefit Plan Recognized Net Actuarial Loss DefinedBenefitPlanRecognizedNetActuarialLoss	0	usd
	sasr	Defined Benefit Plan Recognized Net Actuarial Loss DefinedBenefitPlanRecognizedNetActuarialLoss	526000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	usd
CY2023Q3	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-8157000	usd
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	usd
	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-8157000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	usd
CY2023Q3	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	71000	usd
	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	usd
	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	71000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	0	usd
CY2023Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	8325000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	0	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	8905000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	16209000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	20746000	usd
	us-gaap	Net Income Loss NetIncomeLoss	59388000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96744000	usd
CY2024Q3	sasr	Distributed And Undistributed Earnings Allocated To Participating Securities DistributedAndUndistributedEarningsAllocatedToParticipatingSecurities	4000	usd
CY2023Q3	sasr	Distributed And Undistributed Earnings Allocated To Participating Securities DistributedAndUndistributedEarningsAllocatedToParticipatingSecurities	27000	usd
	sasr	Distributed And Undistributed Earnings Allocated To Participating Securities DistributedAndUndistributedEarningsAllocatedToParticipatingSecurities	37000	usd
	sasr	Distributed And Undistributed Earnings Allocated To Participating Securities DistributedAndUndistributedEarningsAllocatedToParticipatingSecurities	192000	usd
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	16205000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	20719000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	59351000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	96552000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45132000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44940000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45074000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44887000	shares
CY2024Q3	us-gaap	Weighted Average Number Basic Shares Outstanding Adjustment Pro Forma WeightedAverageNumberBasicSharesOutstandingAdjustmentProForma	12000	shares
CY2023Q3	us-gaap	Weighted Average Number Basic Shares Outstanding Adjustment Pro Forma WeightedAverageNumberBasicSharesOutstandingAdjustmentProForma	59000	shares
	us-gaap	Weighted Average Number Basic Shares Outstanding Adjustment Pro Forma WeightedAverageNumberBasicSharesOutstandingAdjustmentProForma	28000	shares
	us-gaap	Weighted Average Number Basic Shares Outstanding Adjustment Pro Forma WeightedAverageNumberBasicSharesOutstandingAdjustmentProForma	89000	shares
CY2024Q3	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	45120000	shares
CY2023Q3	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	44881000	shares
	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	45046000	shares
	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	44798000	shares
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	123000	shares
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	79000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	110000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	115000	shares
CY2024Q3	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	45243000	shares
CY2023Q3	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	44960000	shares
	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	45156000	shares
	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	44913000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.16
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.15
CY2024Q3	sasr	Potentially Incremental Common Shares Antidilutive PotentiallyIncrementalCommonSharesAntidilutive	3000	shares
CY2023Q3	sasr	Potentially Incremental Common Shares Antidilutive PotentiallyIncrementalCommonSharesAntidilutive	23000	shares
	sasr	Potentially Incremental Common Shares Antidilutive PotentiallyIncrementalCommonSharesAntidilutive	41000	shares
	sasr	Potentially Incremental Common Shares Antidilutive PotentiallyIncrementalCommonSharesAntidilutive	38000	shares
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	20570000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-860000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	21430000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-12510000	usd
	sasr	Defined Benefit Plan Benefit Obligation Termination Benefits DefinedBenefitPlanBenefitObligationTerminationBenefits	1531000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-7438000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3541000	usd
CY2024Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	2580000	usd
CY2023Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	2668000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	7722000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	8095000	usd
CY2024Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	2783000	usd
CY2023Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	2862000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	8403000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	8612000	usd
CY2024Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2023Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1402000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	703000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38371000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	40362000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	45385000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	48058000	usd
CY2024Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M6D
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y7M6D
CY2024Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0377
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0361
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2841000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	10988000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	10305000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	8882000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7393000	usd
CY2024Q3	sasr	Lessee Operating Lease Liability Payments Due After Year Four LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour	9591000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	50000000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4615000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	45385000	usd
CY2024Q3	sasr	Lessee Operating Lease Number Of Leases Not Yet Commenced LesseeOperatingLeaseNumberOfLeasesNotYetCommenced	0	lease
CY2024Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	0	usd
CY2024Q3	sasr	Number Of Designated Qualifying Hedges NumberOfDesignatedQualifyingHedges	0	derivative
CY2024Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	587331000	usd
CY2023Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	524108000	usd
CY2024Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-156000	usd
CY2023Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-93000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	144000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	74000	usd
CY2024Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	121200000	usd
CY2024Q3	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	83900000	usd
CY2024Q3	sasr	Allowance Related To Loans Evaluated Individually AllowanceRelatedToLoansEvaluatedIndividually	37300000	usd
CY2023Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	88200000	usd
CY2023Q4	us-gaap	Notes Receivable Fair Value Disclosure NotesReceivableFairValueDisclosure	64200000	usd
CY2023Q4	sasr	Allowance Related To Loans Evaluated Individually AllowanceRelatedToLoansEvaluatedIndividually	24000000.0	usd
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
0000824410-24-000045-index-headers.html	Edgar Link	pending
0000824410-24-000045-index.html	Edgar Link	pending
0000824410-24-000045.txt	Edgar Link	pending
0000824410-24-000045-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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sasr-20240930.htm	Edgar Link	pending
sasr-20240930.xsd	Edgar Link	pending
september2024ex-31a.htm	Edgar Link	pending
september2024ex-31b.htm	Edgar Link	pending
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september2024ex-32b.htm	Edgar Link	pending
Show.js	Edgar Link	pending
sasr-20240930_cal.xml	Edgar Link	unprocessable
sasr-20240930_def.xml	Edgar Link	unprocessable
sasr-20240930_lab.xml	Edgar Link	unprocessable
sasr-20240930_pre.xml	Edgar Link	unprocessable
sasr-20240930_htm.xml	Edgar Link	completed
FilingSummary.xml	Edgar Link	unprocessable

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$SASR
Sandy Spring Bancorp Inc Stock $sasr

2024 Q4 Form 10-Q Financial Statement

#000082441024000045 Filed on November 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SASR Sandy Spring Bancorp Inc Stock $sasr

2024 Q4 Form 10-Q Financial Statement

#000082441024000045 Filed on November 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SASR
Sandy Spring Bancorp Inc Stock $sasr