$SMBC
SOUTHERN MISSOURI BANCORP, INC. Stock $smbc

$smbc Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-K Financial Statement

#000155837021012437 Filed on September 13, 2021

Income Statement

Concept	2021 Q2	2021	2020 Q2
Revenue	$27.53M	$109.5M	$27.26M
YoY Change	0.98%	2.26%	4.67%
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	$1.340M	$4.029M	$1.390M
YoY Change	-3.6%	6.5%	4.51%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$3.586M	$16.79M	$5.483M
YoY Change	-34.6%	-37.62%	-22.27%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$17.22M	$59.71M	$8.760M
YoY Change	96.54%	73.4%	-6.91%
Income Tax	$3.529M	$12.53M	$1.860M
% Of Pretax Income	20.5%	20.98%	21.23%
Net Earnings	$13.69M	$47.18M	$6.900M
YoY Change	98.38%	71.28%	-8.68%
Net Earnings / Revenue	49.72%	43.1%	25.31%
Basic Earnings Per Share	$1.53	$5.22	$0.76
Diluted Earnings Per Share	$1.53	$5.22	$755.8K
COMMON SHARES
Basic Shares Outstanding	8.934M	9.008M
Diluted Shares Outstanding

Balance Sheet

Concept	2021 Q2	2021	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$123.6M		$54.25M
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	$64.08M	$64.10M	$65.11M
YoY Change	-1.58%	-1.54%	3.79%
Goodwill	$14.09M		$14.09M
YoY Change	0.0%		0.0%
Intangibles
YoY Change
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	$2.701B	$2.701B	$2.542B
YoY Change	6.23%	6.23%	14.8%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$10.80M	$10.80M	$11.80M
YoY Change	-8.47%	-8.47%	-21.33%
Accrued Expenses	$2.800M	$2.800M	$2.000M
YoY Change	40.0%	40.0%
Deferred Revenue
YoY Change
Short-Term Debt			$0.00
YoY Change			-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$13.60M	$13.60M	$2.284B
YoY Change	-99.4%	-1.45%	15.58%
LONG-TERM LIABILITIES
Long-Term Debt	$15.20M	$15.20M	$15.10M
YoY Change	0.66%	0.66%	0.67%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$15.20M	$15.20M	$15.10M
YoY Change	0.66%	0.66%	0.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$13.60M	$13.60M	$2.284B
Total Long-Term Liabilities	$15.20M	$15.20M	$15.10M
Total Liabilities	$2.417B	$2.417B	$2.284B
YoY Change	5.84%	5.84%	15.58%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$94.00K		$93.00K
YoY Change	1.08%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$15.28M		$6.937M
YoY Change	120.24%		494.94%
Treasury Stock Shares			$217.9K
Shareholders Equity	$283.4M	$283.4M	$258.3M
YoY Change
Total Liabilities & Shareholders Equity	$2.701B	$2.701B	$2.542B
YoY Change	6.23%	6.23%	14.8%

Cashflow Statement

Concept	2021 Q2	2021	2020 Q2
OPERATING ACTIVITIES
Net Income	$13.69M	$47.18M	$6.900M
YoY Change	98.38%	71.28%	-8.68%
Depreciation, Depletion And Amortization	$1.340M	$4.029M	$1.390M
YoY Change	-3.6%	6.5%	4.51%
Cash From Operating Activities	$19.15M	$51.76M	$11.93M
YoY Change	60.52%	28.44%	41.18%
INVESTING ACTIVITIES
Capital Expenditures	-$1.470M	$2.856M	-$890.0K
YoY Change	65.17%	-33.64%	-22.61%
Acquisitions
YoY Change
Other Investing Activities	-$84.05M	-$99.06M	-$121.7M
YoY Change	-30.95%	-63.05%	356.05%
Cash From Investing Activities	-$85.52M	-$101.9M	-$122.6M
YoY Change	-30.25%	-62.58%	340.57%
FINANCING ACTIVITIES
Cash Dividend Paid		$5.598M
YoY Change		1.54%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-46.95M	119.5M	108.8M
YoY Change	-143.15%	-52.37%	365.0%
NET CHANGE
Cash From Operating Activities	19.15M	51.76M	11.93M
Cash From Investing Activities	-85.52M	-101.9M	-122.6M
Cash From Financing Activities	-46.95M	119.5M	108.8M
Net Change In Cash	-113.3M	69.35M	-1.870M
YoY Change	5959.89%	267.99%	-146.52%
FREE CASH FLOW
Cash From Operating Activities	$19.15M	$51.76M	$11.93M
Capital Expenditures	-$1.470M	$2.856M	-$890.0K
Free Cash Flow	$20.62M	$48.91M	$12.82M
YoY Change	60.84%	35.86%	33.54%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2020Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021	smbc	Fair Value Assumptions Weighted Average Expected Life Years FairValueAssumptionsWeightedAverageExpectedLifeYears	P10Y
CY2020	smbc	Fair Value Assumptions Weighted Average Expected Life Years FairValueAssumptionsWeightedAverageExpectedLifeYears	P10Y
CY2019	smbc	Fair Value Assumptions Weighted Average Expected Life Years FairValueAssumptionsWeightedAverageExpectedLifeYears	P10Y
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000916907
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2019	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0
CY2020	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	0-23406
CY2021	dei	Entity Registrant Name EntityRegistrantName	SOUTHERN MISSOURI BANCORP, INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MO
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	43-1665523
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	2991 Oak Grove Road
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Poplar Bluff
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	MO
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	63901
CY2021	dei	City Area Code CityAreaCode	573
CY2021	dei	Local Phone Number LocalPhoneNumber	778-1800
CY2021	dei	Security12b Title Security12bTitle	Common Stock
CY2021	dei	Trading Symbol TradingSymbol	SMBC
CY2021	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2020Q4	dei	Entity Public Float EntityPublicFloat	242200000
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8894568
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	123592000
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54245000
CY2021Q2	smbc	Interest Bearing Time Deposits InterestBearingTimeDeposits	979000
CY2020Q2	smbc	Interest Bearing Time Deposits InterestBearingTimeDeposits	974000
CY2020	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	102129000
CY2019	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	92328000
CY2021	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2130000
CY2021Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	456431
CY2020Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	217949
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	15278000
CY2020Q2	us-gaap	Treasury Stock Value TreasuryStockValue	6937000
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2882000
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4447000
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	283423000
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	258347000
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	207020000
CY2020Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	176524000
CY2021Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	5873000
CY2020Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6390000
CY2021Q2	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	5031000
CY2020Q2	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	4363000
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	33222000
CY2020Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	25139000
CY2021Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2200244000
CY2020Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2141929000
CY2021Q2	us-gaap	Interest Receivable InterestReceivable	10079000
CY2020Q2	us-gaap	Interest Receivable InterestReceivable	12116000
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	64077000
CY2020Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	65106000
CY2021Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	43817000
CY2020Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	43363000
CY2021Q2	us-gaap	Goodwill Goodwill	14089000
CY2020Q2	us-gaap	Goodwill Goodwill	14089000
CY2021Q2	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	7129000
CY2020Q2	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	7700000
CY2021Q2	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	18600000
CY2020Q2	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	15358000
CY2021Q2	us-gaap	Assets Assets	2700530000
CY2020Q2	us-gaap	Assets Assets	2542157000
CY2021Q2	us-gaap	Deposits Deposits	2330803000
CY2020Q2	us-gaap	Deposits Deposits	2184847000
CY2021Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	57529000
CY2020Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	70024000
CY2021Q2	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	12753000
CY2020Q2	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	12151000
CY2021Q2	us-gaap	Interest Payable Current InterestPayableCurrent	779000
CY2020Q2	us-gaap	Interest Payable Current InterestPayableCurrent	1646000
CY2021Q2	us-gaap	Subordinated Debt SubordinatedDebt	15243000
CY2020Q2	us-gaap	Subordinated Debt SubordinatedDebt	15142000
CY2021Q2	us-gaap	Liabilities Liabilities	2417107000
CY2020Q2	us-gaap	Liabilities Liabilities	2283810000
CY2020Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	25000000
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	25000000
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	9361629
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	9345339
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	94000
CY2020Q2	us-gaap	Common Stock Value CommonStockValue	93000
CY2021Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	95585000
CY2020Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	95035000
CY2021Q2	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	200140000
CY2020Q2	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	165709000
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2700530000
CY2020Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2542157000
CY2021	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	105077000
CY2020	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1992000
CY2019	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2323000
CY2021	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2042000
CY2020	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2802000
CY2019	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2704000
CY2021	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	226000
CY2020	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	129000
CY2019	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	127000
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	109475000
CY2020	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	107052000
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	97482000
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	14889000
CY2020	us-gaap	Interest Expense Deposits InterestExpenseDeposits	24084000
CY2019	us-gaap	Interest Expense Deposits InterestExpenseDeposits	21208000
CY2019	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	36000
CY2021	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	1366000
CY2020	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	1932000
CY2019	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	2377000
CY2020	smbc	Note Payable NotePayable	112000
CY2019	smbc	Note Payable NotePayable	158000
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	534000
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	788000
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	921000
CY2021	us-gaap	Interest Expense InterestExpense	16789000
CY2020	us-gaap	Interest Expense InterestExpense	26916000
CY2019	us-gaap	Interest Expense InterestExpense	24700000
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	92686000
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	80136000
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	72782000
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1024000
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6002000
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2032000
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	93710000
CY2020	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	74134000
CY2019	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	70750000
CY2021	smbc	Deposit Account Charges And Related Fees DepositAccountChargesAndRelatedFees	5254000
CY2020	smbc	Deposit Account Charges And Related Fees DepositAccountChargesAndRelatedFees	5680000
CY2019	smbc	Deposit Account Charges And Related Fees DepositAccountChargesAndRelatedFees	5005000
CY2021	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	3913000
CY2020	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	3073000
CY2019	us-gaap	Interest And Fee Income Loans Consumer Installment Credit Card InterestAndFeeIncomeLoansConsumerInstallmentCreditCard	2581000
CY2021	smbc	Loan Late Charges LoanLateCharges	587000
CY2020	smbc	Loan Late Charges LoanLateCharges	573000
CY2019	smbc	Loan Late Charges LoanLateCharges	463000
CY2021	smbc	Loan Servicing Fees LoanServicingFees	1454000
CY2020	smbc	Loan Servicing Fees LoanServicingFees	196000
CY2019	smbc	Loan Servicing Fees LoanServicingFees	376000
CY2021	smbc	Other Loan Fees OtherLoanFees	1200000
CY2020	smbc	Other Loan Fees OtherLoanFees	1258000
CY2019	smbc	Other Loan Fees OtherLoanFees	1360000
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	3980000
CY2020	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1630000
CY2019	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	771000
CY2021	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	90000
CY2019	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	244000
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1800000
CY2019	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	661000
CY2021	us-gaap	Professional Fees ProfessionalFees	1093000
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CY2020	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	155000
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1021000
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1329000
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	1764000
CY2020	us-gaap	Noninterest Income Other NoninterestIncomeOther	1319000
CY2019	us-gaap	Noninterest Income Other NoninterestIncomeOther	964000
CY2021	us-gaap	Noninterest Income NoninterestIncome	20042000
CY2020	us-gaap	Noninterest Income NoninterestIncome	14750000
CY2019	us-gaap	Noninterest Income NoninterestIncome	13093000
CY2021	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	31010000
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CY2019	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	26379000
CY2021	us-gaap	Occupancy Net OccupancyNet	7880000
CY2020	us-gaap	Occupancy Net OccupancyNet	7288000
CY2019	us-gaap	Occupancy Net OccupancyNet	6586000
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4812000
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	5173000
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CY2021	us-gaap	Communication Communication	1261000
CY2020	us-gaap	Communication Communication	1263000
CY2019	us-gaap	Communication Communication	1137000
CY2020	us-gaap	Professional Fees ProfessionalFees	969000
CY2019	us-gaap	Professional Fees ProfessionalFees	965000
CY2021	us-gaap	Advertising Expense AdvertisingExpense	1080000
CY2020	us-gaap	Advertising Expense AdvertisingExpense	1227000
CY2019	us-gaap	Advertising Expense AdvertisingExpense	1161000
CY2021	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	796000
CY2020	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	804000
CY2019	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	772000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1395000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1771000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1672000
CY2021	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	142000
CY2020	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	992000
CY2019	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	442000
CY2020	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	648000
CY2019	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	149000
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3812000
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4826000
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4423000
CY2021	us-gaap	Noninterest Expense NoninterestExpense	54047000
CY2020	us-gaap	Noninterest Expense NoninterestExpense	54452000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	47892000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	59705000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	34432000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	35951000
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.14
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.62
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.60
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.52
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10844000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6890000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6972000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1681000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	75000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12525000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6887000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7047000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	47180000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	27545000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	28904000
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.22
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.00
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.14
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.22
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.99
CY2021	us-gaap	Net Income Loss NetIncomeLoss	47180000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	27545000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	28904000
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1925000
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4095000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4940000
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-90000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-244000
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-6000
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-6000
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	10000
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-444000
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	901000
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1094000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1565000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3200000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3592000
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	45615000
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	30745000
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	32496000
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	200694000
CY2019	us-gaap	Profit Loss ProfitLoss	28904000
CY2019	smbc	Change In Unrealized Gain On Available For Sale Securities Net ChangeInUnrealizedGainOnAvailableForSaleSecuritiesNet	3602000
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-10000
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.52
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	4763000
CY2019	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	-51000
CY2019	smbc	Stock Grant Expense StockGrantExpense	323000
CY2021	us-gaap	Profit Loss ProfitLoss	47180000
CY2021	smbc	Change In Unrealized Gain On Available For Sale Securities Net ChangeInUnrealizedGainOnAvailableForSaleSecuritiesNet	-1571000
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	6000
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.62
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	5598000
CY2021	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	-142000
CY2021	smbc	Stock Grant Expense StockGrantExpense	408000
CY2021	smbc	Common Stock Issued Value CommonStockIssuedValue	1000
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	8341000
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	283423000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	47180000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	27545000
CY2019	smbc	Common Stock Issued Value CommonStockIssuedValue	10757000
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1166000
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	238392000
CY2020	us-gaap	Profit Loss ProfitLoss	27545000
CY2020	smbc	Change In Unrealized Gain On Available For Sale Securities Net ChangeInUnrealizedGainOnAvailableForSaleSecuritiesNet	3194000
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	6000
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.60
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	5513000
CY2020	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	-74000
CY2020	smbc	Stock Grant Expense StockGrantExpense	356000
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	64000
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	5771000
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	258347000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	28904000
CY2021	us-gaap	Depreciation Depreciation	4029000
CY2020	us-gaap	Depreciation Depreciation	3783000
CY2019	us-gaap	Depreciation Depreciation	3402000
CY2021	smbc	Gain Loss On Disposal Of Fixed Assets GainLossOnDisposalOfFixedAssets	-80000
CY2020	smbc	Gain Loss On Disposal Of Fixed Assets GainLossOnDisposalOfFixedAssets	-482000
CY2019	smbc	Gain Loss On Disposal Of Fixed Assets GainLossOnDisposalOfFixedAssets	-29000
CY2021	smbc	Stock Option And Stock Grant Expense StockOptionAndStockGrantExpense	-550000
CY2020	smbc	Stock Option And Stock Grant Expense StockOptionAndStockGrantExpense	-430000
CY2019	smbc	Stock Option And Stock Grant Expense StockOptionAndStockGrantExpense	-374000
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-55000
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-802000
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-267000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1395000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1771000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1672000
CY2021	smbc	Amortization Of Purchase Accounting Adjustments AmortizationOfPurchaseAccountingAdjustments	1502000
CY2020	smbc	Amortization Of Purchase Accounting Adjustments AmortizationOfPurchaseAccountingAdjustments	1403000
CY2019	smbc	Amortization Of Purchase Accounting Adjustments AmortizationOfPurchaseAccountingAdjustments	2886000
CY2021	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	1800000
CY2020	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	1022000
CY2019	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	1329000
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1024000
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6002000
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2032000
CY2021	smbc	Net Realized Gains On Sale Of Available For Sale Securities NetRealizedGainsOnSaleOfAvailableForSaleSecurities	90000
CY2019	smbc	Net Realized Gains On Sale Of Available For Sale Securities NetRealizedGainsOnSaleOfAvailableForSaleSecurities	244000
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1633000
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1295000
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-846000
CY2020	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	123000
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	151171000
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	72165000
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	30768000
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	151813000
CY2020	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	70929000
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	30633000
CY2021	smbc	Gain On Sales Of Loans Held For Sale GainOnSalesOfLoansHeldForSale	-3980000
CY2020	smbc	Gain On Sales Of Loans Held For Sale GainOnSalesOfLoansHeldForSale	-1630000
CY2019	smbc	Gain On Sales Of Loans Held For Sale GainOnSalesOfLoansHeldForSale	-771000
CY2021	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-2037000
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1758000
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	459000
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1790000
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4566000
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-56000
CY2021	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-47000
CY2020	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	1224000
CY2019	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	5973000
CY2021	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-1681000
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-26000
CY2019	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-75000
CY2021	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-867000
CY2020	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-453000
CY2019	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	795000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	51762000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	40301000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	38601000
CY2021	us-gaap	Increase Decrease In Other Loans IncreaseDecreaseInOtherLoans	62864000
CY2020	us-gaap	Increase Decrease In Other Loans IncreaseDecreaseInOtherLoans	246930000
CY2019	us-gaap	Increase Decrease In Other Loans IncreaseDecreaseInOtherLoans	139056000
CY2021	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-7000
CY2020	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-2000
CY2019	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	983000
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	57723000
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	51649000
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	29971000
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	16284000
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	40985000
CY2021	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-517000
CY2020	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	1072000
CY2019	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-1489000
CY2021	us-gaap	Payments For Proceeds From Federal Reserve Bank Stock PaymentsForProceedsFromFederalReserveBankStock	668000
CY2020	us-gaap	Payments For Proceeds From Federal Reserve Bank Stock PaymentsForProceedsFromFederalReserveBankStock	13000
CY2019	us-gaap	Payments For Proceeds From Federal Reserve Bank Stock PaymentsForProceedsFromFederalReserveBankStock	785000
CY2021	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	108057000
CY2020	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	55486000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	31207000
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	40000
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2856000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4304000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7696000
CY2020	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	4000000
CY2020	smbc	Net Cash Paid For Acquisitions NetCashPaidForAcquisitions	9080000
CY2019	smbc	Net Cash Paid For Acquisitions NetCashPaidForAcquisitions	8377000
CY2021	smbc	Investments In State And Federal Tax Credits InvestmentsInStateAndFederalTaxCredits	5325000
CY2020	smbc	Investments In State And Federal Tax Credits InvestmentsInStateAndFederalTaxCredits	5103000
CY2019	smbc	Investments In State And Federal Tax Credits InvestmentsInStateAndFederalTaxCredits	2192000
CY2021	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	580000
CY2020	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	349000
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	32000
CY2021	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	1444000
CY2020	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	1632000
CY2019	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	2317000
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1351000
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	544000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-101918000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-272360000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-112992000
CY2021	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	257876000
CY2020	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	249285000
CY2019	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	40664000
CY2021	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-111885000
CY2020	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-4788000
CY2019	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	102551000
CY2020	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-4376000
CY2019	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	1109000
CY2021	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	110100000
CY2020	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	640900000
CY2019	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	591500000
CY2021	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	122649000
CY2020	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	615897000
CY2019	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	642030000
CY2020	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	3000000
CY2019	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	4400000
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	64000
CY2021	smbc	Purchase Of Treasury Stock PurchaseOfTreasuryStock	8341000
CY2020	smbc	Purchase Of Treasury Stock PurchaseOfTreasuryStock	5771000
CY2019	smbc	Purchase Of Treasury Stock PurchaseOfTreasuryStock	1166000
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	5598000
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	5513000
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	4763000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	119503000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	250904000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	83465000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	69347000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	18845000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9074000
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54245000
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	35400000
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	26326000
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	123592000
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54245000
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	35400000
CY2021	smbc	Conversion Of Loans To Foreclosed Real Estate ConversionOfLoansToForeclosedRealEstate	748000
CY2020	smbc	Conversion Of Loans To Foreclosed Real Estate ConversionOfLoansToForeclosedRealEstate	1057000
CY2019	smbc	Conversion Of Loans To Foreclosed Real Estate ConversionOfLoansToForeclosedRealEstate	2134000
CY2019	smbc	Conversion Of Foreclosed Real Estate To Loans ConversionOfForeclosedRealEstateToLoans	51000
CY2021	smbc	Conversion Of Loans To Repossessed Assets ConversionOfLoansToRepossessedAssets	461000
CY2020	smbc	Conversion Of Loans To Repossessed Assets ConversionOfLoansToRepossessedAssets	210000
CY2019	smbc	Conversion Of Loans To Repossessed Assets ConversionOfLoansToRepossessedAssets	66000
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	804000
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2004000
CY2020	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	70570000
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	216772000
CY2019	smbc	Common Stock Issued Expense CommonStockIssuedExpense	10757000
CY2020	smbc	Cash Paid For Capital Stock CashPaidForCapitalStock	21942000
CY2019	smbc	Cash Paid For Capital Stock CashPaidForCapitalStock	11271000
CY2020	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	48504000
CY2019	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	194744000
CY2021	us-gaap	Interest Paid Net InterestPaidNet	2654000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	3813000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	4325000
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	9240000
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	2437000
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	2856000
CY2021Q2	us-gaap	Assets Of Wholly Owned Real Estate Investment Subsidiaries AssetsOfWhollyOwnedRealEstateInvestmentSubsidiaries	1100000000
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;"><i style="font-style:italic;">Use of Estimates. </i>The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;"><span style="color:#212529;">On July 1, 2020, </span>the Company adopted ASU 2016-13, <i style="font-style:italic;">Financial Instruments – Credit Losses</i>, also known as the current expected credit loss (“CECL”) standard,<span style="color:#212529;"> which created material changes to the existing critical accounting policy that existed at June 30, 2020</span><i style="color:#212529;font-style:italic;">.</i><span style="color:#212529;"> Effective July 1, 2020</span><i style="color:#212529;font-style:italic;">,</i><span style="color:#212529;"> the significant accounting policy which was considered to be the most critical in preparing the Company’s consolidated financial statements is the determination of the allowance for credit losses (“ACL”) on loans.</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">Material estimates that are particularly susceptible to significant change relate to the determination of the allowance for credit losses, and estimated fair values of purchased loans.</p>
CY2021	smbc	Term Of Interest Bearing Deposits TermOfInterestBearingDeposits	P7Y
CY2021	smbc	Number Of Loan Segments NumberOfLoanSegments	24
CY2020	smbc	Gross Other Identifiable Intangibles GrossOtherIdentifiableIntangibles	3800000
CY2020	smbc	Gross Other Identifiable Intangibles Accumulated Amortization GrossOtherIdentifiableIntangiblesAccumulatedAmortization	3800000
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2021	smbc	Gross Core Deposit Intangibles Accumulated Amortization GrossCoreDepositIntangiblesAccumulatedAmortization	10100000
CY2021	smbc	Gross Other Identifiable Intangibles GrossOtherIdentifiableIntangibles	3800000
CY2021	smbc	Gross Other Identifiable Intangibles Accumulated Amortization GrossOtherIdentifiableIntangiblesAccumulatedAmortization	3800000
CY2021	smbc	Fhlb Mortgage Servicing Rights FhlbMortgageServicingRights	1900000
CY2020	smbc	Gross Core Deposit Intangibles GrossCoreDepositIntangibles	15300000
CY2020	smbc	Gross Core Deposit Intangibles Accumulated Amortization GrossCoreDepositIntangiblesAccumulatedAmortization	8700000
CY2020	smbc	Fhlb Mortgage Servicing Rights FhlbMortgageServicingRights	1100000
CY2021	us-gaap	Finite Lived Intangible Assets Amortization Method FiniteLivedIntangibleAssetsAmortizationMethod	using the straight line method
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1400000
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1400000
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1400000
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	807000
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	328000
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	0
CY2021	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0
CY2021	smbc	Retirement Plan Requisite Service Period RetirementPlanRequisiteServicePeriod	60
CY2021	smbc	Retirement Plan Vesting Period RetirementPlanVestingPeriod	P5Y
CY2020Q2	us-gaap	Notes Receivable Net NotesReceivableNet	2141929000
CY2021	smbc	Number Of Purchased Participation Loans NumberOfPurchasedParticipationLoans	23
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25139000
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1959000
CY2021Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	203286000
CY2021	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	4875000
CY2021	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	1141000
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	207020000
CY2020Q2	us-gaap	Deferred Discounts Finance Charges And Interest Included In Receivables DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables	4395000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1873000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1887000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	9564000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	9720000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	30386000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	31033000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	25437000
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	26039000
CY2021Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	203286000
CY2021Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	207020000
CY2021Q2	us-gaap	Assets Sold Under Agreements To Repurchase Carrying Amounts AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts	155600000
CY2020Q2	us-gaap	Assets Sold Under Agreements To Repurchase Carrying Amounts AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts	156100000
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	138000
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	48000
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	265450
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	21576
CY2021Q2	smbc	Fair Value Of Debt Securities Reported Less Than Their Historical Cost FairValueOfDebtSecuritiesReportedLessThanTheirHistoricalCost	67200000
CY2021Q2	smbc	Debt Securities Reported Less Than Their Historical Cost Percent Of Investment Portfolio DebtSecuritiesReportedLessThanTheirHistoricalCostPercentOfInvestmentPortfolio	0.325
CY2020Q2	smbc	Fair Value Of Debt Securities Reported Less Than Their Historical Cost FairValueOfDebtSecuritiesReportedLessThanTheirHistoricalCost	10700000
CY2020Q2	smbc	Debt Securities Reported Less Than Their Historical Cost Percent Of Investment Portfolio DebtSecuritiesReportedLessThanTheirHistoricalCostPercentOfInvestmentPortfolio	0.060
CY2021Q2	smbc	Number Of Pooled Trust Preferred Securities NumberOfPooledTrustPreferredSecurities	2
CY2021Q2	smbc	Fair Value Of Pooled Trust Preferred Securities Held FairValueOfPooledTrustPreferredSecuritiesHeld	720000
CY2021Q2	smbc	Unrealized Losses On Pooled Trust Preferred Securities In A Continuous Unrealized Loss Position For12 Months Or More UnrealizedLossesOnPooledTrustPreferredSecuritiesInAContinuousUnrealizedLossPositionFor12MonthsOrMore	257000
CY2021Q2	smbc	Number Of Pooled Trust Preferred Securities NumberOfPooledTrustPreferredSecurities	2
CY2021Q2	smbc	Number Of Pooled Trust Preferred Securities NumberOfPooledTrustPreferredSecurities	2
CY2021Q2	smbc	Securities That Continued To Receive Cash Interest Payments SecuritiesThatContinuedToReceiveCashInterestPayments	1
CY2021Q2	smbc	Number Of Pooled Trust Preferred Securities NumberOfPooledTrustPreferredSecurities	2
CY2020	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	0
CY2021	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	0
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	33222000
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25139000
CY2021Q2	us-gaap	Notes Receivable Net NotesReceivableNet	2200244000
CY2021Q2	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	2311631000
CY2020Q2	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	2249915000
CY2021Q2	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	74540000
CY2020Q2	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	78452000
CY2021Q2	us-gaap	Deferred Discounts Finance Charges And Interest Included In Receivables DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables	3625000
CY2021Q2	smbc	Purchased Participation Loans PurchasedParticipationLoans	83000000.0
CY2020	smbc	Number Of Purchased Participation Loans NumberOfPurchasedParticipationLoans	23
CY2020Q2	smbc	Purchased Participation Loans PurchasedParticipationLoans	58200000
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1000000.0
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6000000.0
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2000000.0
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	33200000
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25139000
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-602000
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	734000
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	86000
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	33222000
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	19903000
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6002000
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	853000
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	87000
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25139000
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	25139000
CY2020	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Provision For Loan Losses1 CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesProvisionForLoanLosses1	0
CY2020Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	0
CY2020Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2149664000
CY2020Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	21799000
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18214000
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2032000
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	389000
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	46000
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	19903000
CY2020Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1959000
CY2021	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-422000
CY2021Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1805000
CY2021	smbc	Credit Quality Indicators Threshold Of Lending Relationships Annual Credit Analysis CreditQualityIndicatorsThresholdOfLendingRelationshipsAnnualCreditAnalysis	3000000
CY2021	smbc	Credit Quality Indicators Minimum Loan Relationships Subject To Independent Loan Review CreditQualityIndicatorsMinimumLoanRelationshipsSubjectToIndependentLoanReview	1000000
CY2021Q2	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	1034652000
CY2021Q2	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	433293000
CY2021Q2	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	182774000
CY2021Q2	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	118958000
CY2021Q2	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	115845000
CY2021Q2	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	143946000
CY2021Q2	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	207623000
CY2021Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2237091000
CY2021Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2237091000
CY2020Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2171463000
CY2021	us-gaap	Financing Receivable Purchased With Credit Deterioration Amount At Par Value FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue	21800000
CY2020	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	24507000
CY2020	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1918000
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	22137000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2854000
CY2020	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	236000
CY2020	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	236000
CY2019	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	1300000
CY2021Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	5868000
CY2020Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	8657000
CY2021	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3
CY2021	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	894000
CY2021Q2	us-gaap	Foreclosed Assets ForeclosedAssets	622000
CY2020Q2	us-gaap	Foreclosed Assets ForeclosedAssets	563000
CY2020Q2	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	8603000
CY2019Q2	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	9132000
CY2021	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	8474000
CY2020	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	5179000
CY2021	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	6453000
CY2020	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	5708000
CY2021Q2	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	10624000
CY2020Q2	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	8603000
CY2021Q2	us-gaap	Land Land	12452000
CY2020Q2	us-gaap	Land Land	12585000
CY2021Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	56422000
CY2020Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	56039000
CY2021Q2	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1158000
CY2020Q2	us-gaap	Construction In Progress Gross ConstructionInProgressGross	435000
CY2021Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	18985000
CY2020Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	18109000
CY2021Q2	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	120000
CY2020Q2	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	120000
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2770000
CY2020Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1965000
CY2021Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	91907000
CY2020Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	89253000
CY2021Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	27830000
CY2020Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	24147000
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	64077000
CY2020Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	65106000
CY2021Q2	us-gaap	Number Of Properties Subject To Ground Leases NumberOfPropertiesSubjectToGroundLeases	6
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.05
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	340000
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	214000
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	338000
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	272000
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	272000
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	272000
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	272000
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	3142000
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4568000
CY2021Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	358418000
CY2020Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	316048000
CY2021Q2	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	925280000
CY2020Q2	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	781937000
CY2021Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	253614000
CY2020Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	231162000
CY2021Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	230905000
CY2020Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	181229000
CY2021Q2	smbc	Total Non Maturity Deposits TotalNonMaturityDeposits	1768217000
CY2020Q2	smbc	Total Non Maturity Deposits TotalNonMaturityDeposits	1510376000
CY2021Q2	smbc	Certificate Of Deposits CertificateOfDeposits	562586000
CY2020Q2	smbc	Certificate Of Deposits CertificateOfDeposits	674471000
CY2021Q2	us-gaap	Deposits Deposits	2330803000
CY2020Q2	us-gaap	Deposits Deposits	2184847000
CY2021Q2	smbc	Aggregate Amount Of Deposits With A Minimum Denomination Of250000 AggregateAmountOfDepositsWithAMinimumDenominationOf250000	668800000
CY2020Q2	smbc	Aggregate Amount Of Deposits With A Minimum Denomination Of250000 AggregateAmountOfDepositsWithAMinimumDenominationOf250000	611400000
CY2021Q2	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	358777000
CY2021Q2	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	90169000
CY2021Q2	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	21530000
CY2021Q2	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	40503000
CY2021Q2	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	51607000
CY2021Q2	us-gaap	Time Deposits TimeDeposits	562586000
CY2021Q2	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	5000000.0
CY2020Q2	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	23300000
CY2021	smbc	Deposits Held For Affiliates DepositsHeldForAffiliates	4300000
CY2020	smbc	Deposits Held For Affiliates DepositsHeldForAffiliates	4200000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	57529000
CY2020Q2	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	70024000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate FederalHomeLoanBankAdvancesWeightedAverageInterestRate	0.0197
CY2020Q2	us-gaap	Federal Home Loan Bank Advances Weighted Average Interest Rate FederalHomeLoanBankAdvancesWeightedAverageInterestRate	0.0201
CY2021Q2	smbc	Fhlb Prior To Maturity Amount FhlbPriorToMaturityAmount	10000000.0
CY2021Q2	us-gaap	Line Of Credit LineOfCredit	383000000.0
CY2020Q2	us-gaap	Line Of Credit LineOfCredit	296600000
CY2021Q2	smbc	Line Of Credit Outstanding LineOfCreditOutstanding	769800000
CY2020Q2	smbc	Line Of Credit Outstanding LineOfCreditOutstanding	768700000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Earlier Of Contractual Maturity Or Next Call Date In Next Rolling Twelve Months FederalHomeLoanBankAdvancesEarlierOfContractualMaturityOrNextCallDateInNextRollingTwelveMonths	24242000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Earlier Of Contractual Maturity Or Next Call Date In Rolling Year Two FederalHomeLoanBankAdvancesEarlierOfContractualMaturityOrNextCallDateInRollingYearTwo	6000000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Earlier Of Contractual Maturity Or Next Call Date In Rolling Year Three FederalHomeLoanBankAdvancesEarlierOfContractualMaturityOrNextCallDateInRollingYearThree	11000000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Earlier Of Contractual Maturity Or Next Call Date In Rolling Year Four FederalHomeLoanBankAdvancesEarlierOfContractualMaturityOrNextCallDateInRollingYearFour	16000000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Earlier Of Contractual Maturity Or Next Call Date After Rolling Year Five FederalHomeLoanBankAdvancesEarlierOfContractualMaturityOrNextCallDateAfterRollingYearFive	287000
CY2021Q2	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	57529000
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.04
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.05
CY2021	smbc	N401 K Retirement Plan Expense N401KRetirementPlanExpense	1700000
CY2020	smbc	N401 K Retirement Plan Expense N401KRetirementPlanExpense	1500000
CY2019	smbc	N401 K Retirement Plan Expense N401KRetirementPlanExpense	1300000
CY2021Q2	smbc	N401 K Retirement Plan Shares Held N401KRetirementPlanSharesHeld	394000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P5Y
CY2021	smbc	Equity Incentive Plan Description EquityIncentivePlanDescription	The Company adopted an Equity Incentive Plan (the EIP) in 2008, reserving for award 132,000 shares (split-adjusted). EIP shares were available for award to directors, officers, and employees of the Company and its affiliates by a committee of outside directors.
CY2021Q2	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	132000
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10000
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0
CY2021	smbc	Fair Value Assumptions Expected Dividend Yield FairValueAssumptionsExpectedDividendYield	0.0183
CY2020	smbc	Fair Value Assumptions Expected Dividend Yield FairValueAssumptionsExpectedDividendYield	0.0160
CY2019	smbc	Fair Value Assumptions Expected Dividend Yield FairValueAssumptionsExpectedDividendYield	0.0151
CY2021	smbc	Fair Value Assumptions Expected Volatility Rate1 FairValueAssumptionsExpectedVolatilityRate1	0.2772
CY2020	smbc	Fair Value Assumptions Expected Volatility Rate1 FairValueAssumptionsExpectedVolatilityRate1	0.2255
CY2019	smbc	Fair Value Assumptions Expected Volatility Rate1 FairValueAssumptionsExpectedVolatilityRate1	0.2039
CY2021	smbc	Fair Value Assumptions Risk Free Interest Rate1 FairValueAssumptionsRiskFreeInterestRate1	0.0114
CY2020	smbc	Fair Value Assumptions Risk Free Interest Rate1 FairValueAssumptionsRiskFreeInterestRate1	0.0155
CY2019	smbc	Fair Value Assumptions Risk Free Interest Rate1 FairValueAssumptionsRiskFreeInterestRate1	0.0267
CY2021Q2	smbc	Fair Value Assumptions Weighted Average Fair Value Of Options Granted During The Year FairValueAssumptionsWeightedAverageFairValueOfOptionsGrantedDuringTheYear	9.19
CY2020Q2	smbc	Fair Value Assumptions Weighted Average Fair Value Of Options Granted During The Year FairValueAssumptionsWeightedAverageFairValueOfOptionsGrantedDuringTheYear	8.81
CY2019Q2	smbc	Fair Value Assumptions Weighted Average Fair Value Of Options Granted During The Year FairValueAssumptionsWeightedAverageFairValueOfOptionsGrantedDuringTheYear	8.78
CY2021	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0
CY2021Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	8961000
CY2020Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	7189000
CY2021Q2	smbc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	210000
CY2021Q2	smbc	Deferred Tax Assets Provision For Losses On Loans DeferredTaxAssetsProvisionForLossesOnLoans	7626000
CY2020Q2	smbc	Deferred Tax Assets Provision For Losses On Loans DeferredTaxAssetsProvisionForLossesOnLoans	5802000
CY2021Q2	smbc	Deferred Tax Assets Accrued Compensation And Benefits DeferredTaxAssetsAccruedCompensationAndBenefits	826000
CY2020Q2	smbc	Deferred Tax Assets Accrued Compensation And Benefits DeferredTaxAssetsAccruedCompensationAndBenefits	825000
CY2021Q2	smbc	Deferred Tax Assets Nol Carry Forwards Acquired DeferredTaxAssetsNolCarryForwardsAcquired	147000
CY2020Q2	smbc	Deferred Tax Assets Nol Carry Forwards Acquired DeferredTaxAssetsNolCarryForwardsAcquired	149000
CY2020Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	130000
CY2021Q2	smbc	Deferred Tax Assets Unrealized Loss On Other Real Estate DeferredTaxAssetsUnrealizedLossOnOtherRealEstate	180000
CY2020Q2	smbc	Deferred Tax Assets Unrealized Loss On Other Real Estate DeferredTaxAssetsUnrealizedLossOnOtherRealEstate	257000
CY2021Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	182000
CY2020Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	26000
CY2020Q2	smbc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	64000
CY2021Q2	smbc	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	1842000
CY2020Q2	smbc	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	1665000
CY2021Q2	smbc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFhlbStockDividends	120000
CY2020Q2	smbc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFhlbStockDividends	120000
CY2021Q2	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	283000
CY2020Q2	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	259000
CY2021Q2	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	821000
CY2020Q2	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	1265000
CY2021Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1193000
CY2020Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	104000
CY2021Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4469000
CY2020Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	3477000
CY2021Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	4492000
CY2020Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	3712000
CY2021	smbc	Federal Net Operating Loss Carryforwards FederalNetOperatingLossCarryforwards	706000
CY2021	smbc	State Net Operating Loss Carryforwards StateNetOperatingLossCarryforwards	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	12538000
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7231000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7550000
CY2021	smbc	Income Tax Expense Actual IncomeTaxExpenseActual	12525000
CY2020	smbc	Income Tax Expense Actual IncomeTaxExpenseActual	6887000
CY2019	smbc	Income Tax Expense Actual IncomeTaxExpenseActual	7047000
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Before Tax1 AccumulatedOtherComprehensiveIncomeLossBeforeTax1	3707000
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Before Tax1 AccumulatedOtherComprehensiveIncomeLossBeforeTax1	5711000
CY2021Q2	us-gaap	Aoci Including Portion Attributable To Noncontrolling Interest Tax AociIncludingPortionAttributableToNoncontrollingInterestTax	825000
CY2020Q2	us-gaap	Aoci Including Portion Attributable To Noncontrolling Interest Tax AociIncludingPortionAttributableToNoncontrollingInterestTax	1264000
CY2021	smbc	Stockholders Equity And Regulatory Capital Policy1textblock StockholdersEquityAndRegulatoryCapitalPolicy1textblock	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">The Company and Bank are subject to various regulatory capital requirements administered by the Federal banking agencies. Failure to meet minimum capital requirements can result in certain mandatory—and possibly additional discretionary – actions by regulators that, if undertaken, could have a direct material effect on the Company’s financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company and Bank must meet specific capital guidelines that involve quantitative measures of the Company and the Bank’s assets, liabilities, and certain off-balance sheet items as calculated under U.S. GAAP, regulatory reporting requirements and regulatory capital standards. The Company and Bank’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Furthermore, the Company and Bank’s regulators could require adjustments to regulatory capital not reflected in the condensed consolidated financial statements.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">Quantitative measures established by regulatory capital standards to ensure capital adequacy require the Company and the Bank to maintain minimum amounts and ratios (set forth in the table below) of total capital, Tier 1 capital (as defined), and common equity Tier 1 capital (as defined) to risk-weighted assets (as defined) and of Tier 1 capital (as defined) to average total assets (as defined). Additionally, to make distributions or discretionary bonus payments, the Company and Bank must maintain a capital conservation buffer of 2.5% of risk-weighted assets. Management believes, as of June 30, 2021 and 2020, that the Company and the Bank met all capital adequacy requirements to which they are subject.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">Effective January 1, 2020, depository institutions and depository institution holding companies that have less than $10 billion in total consolidated assets and meet other qualifying criteria, including a tier 1 leverage ratio of greater than 9 percent, are considered qualifying community banking organizations and are eligible to opt into an alternative, simplified regulatory capital framework, which utilizes a newly-defined “Community Bank Leverage Ratio” (CBLR). The CBLR framework is an optional framework that is designed to reduce burden by removing the requirements for calculating and reporting risk-based capital ratios for qualifying community banking organizations that opt into the framework. Qualifying community banking organizations that elect to use the CBLR framework and that maintain a leverage ratio of greater than 9 percent are considered to have satisfied the risk-based and leverage capital requirements in the agencies’ generally applicable capital rule. In April 2020, the federal bank regulatory agencies announced the issuance of two interim final rules to provide temporary relief to community banking organizations. Under the rules, CBLR requirement was a minimum of 8% for the remainder of calendar year 2020, and is 8.5% for calendar year 2021, and 9% thereafter. The Company and the Bank have not made an election to utilize the CBLR framework, but will continue to monitor the available option, and could do so in the future.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">In August 2020, the Federal banking agencies adopted a final rule updating a December 2018 rule regarding the impact on regulatory capital of adoption of the CECL standard. The rule now allows institutions that adopt the CECL standard in 2020 a five-year transition period to recognize the estimated impact of adoption on regulatory capital. The Company and the Bank elected to exercise the option to recognize the impact of adoption over the five-year period.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">As of June 30, 2021, the most recent notification from the Federal banking agencies categorized the Bank as well capitalized under the regulatory framework for prompt corrective action. To be categorized as well capitalized the Bank must maintain minimum total risk-based, Tier 1 risk-based, common equity Tier 1 risk-based, and Tier 1 leverage ratios as set forth in the table. There are no conditions or events since that notification that management believes have changed the Bank’s category.</p>
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	9986000
CY2021Q2	us-gaap	Banking Regulation Capital Conservation Buffer Capital Conserved Minimum BankingRegulationCapitalConservationBufferCapitalConservedMinimum	2.5
CY2021	smbc	Banking Regulation Distributions Of Dividends Equity Amount BankingRegulationDistributionsOfDividendsEquityAmount	42900000
CY2021Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	4000000.0
CY2020Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	3200000
CY2021Q2	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	491600000
CY2020Q2	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	416200000
CY2021	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	134500000
CY2021	smbc	Weighted Average Rate Percentage WeightedAverageRatePercentage	0.0404
CY2021	smbc	Commitments Extended Period CommitmentsExtendedPeriod	P30D
CY2021	smbc	Diversified Portfolio Loans DiversifiedPortfolioLoans	801600000
CY2021	us-gaap	Profit Loss ProfitLoss	47180000
CY2020	us-gaap	Profit Loss ProfitLoss	27545000
CY2019	us-gaap	Profit Loss ProfitLoss	28904000
CY2021	us-gaap	Distributed Earnings DistributedEarnings	18000
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-135000
CY2021	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	47027000
CY2020	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	27545000
CY2019	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	28904000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9007814
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9189876
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9193235
CY2021	smbc	Effect Of Dilutive Securities Stock Options Or Awards EffectOfDilutiveSecuritiesStockOptionsOrAwards	2923
CY2020	smbc	Effect Of Dilutive Securities Stock Options Or Awards EffectOfDilutiveSecuritiesStockOptionsOrAwards	9293
CY2019	smbc	Effect Of Dilutive Securities Stock Options Or Awards EffectOfDilutiveSecuritiesStockOptionsOrAwards	10674
CY2021	smbc	Denominator For Diluted Earnings Per Share DenominatorForDilutedEarningsPerShare	9010737
CY2020	smbc	Denominator For Diluted Earnings Per Share DenominatorForDilutedEarningsPerShare	9199169
CY2019	smbc	Denominator For Diluted Earnings Per Share DenominatorForDilutedEarningsPerShare	9203909
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.22
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.00
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.14
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.22
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.99
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.14
CY2021	smbc	Options Outstanding With Exercise Price In Excess Of Market Price OptionsOutstandingWithExercisePriceInExcessOfMarketPrice	99825
CY2020	smbc	Options Outstanding With Exercise Price In Excess Of Market Price OptionsOutstandingWithExercisePriceInExcessOfMarketPrice	50500
CY2019	smbc	Options Outstanding With Exercise Price In Excess Of Market Price OptionsOutstandingWithExercisePriceInExcessOfMarketPrice	31000
CY2021Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	123592000
CY2021Q2	smbc	Interest Bearing Time Deposits Fair Value Disclosure InterestBearingTimeDepositsFairValueDisclosure	979000
CY2021Q2	smbc	Stock In Federal Home Loan Bank Fair Value Disclosure StockInFederalHomeLoanBankFairValueDisclosure	5873000
CY2021Q2	smbc	Stock In Federal Reserve Bank Fair Value Disclosure StockInFederalReserveBankFairValueDisclosure	5031000
CY2021Q2	us-gaap	Receivables Fair Value Disclosure ReceivablesFairValueDisclosure	2200244000
CY2021Q2	smbc	Accrued Interest Receivable Fair Value Disclosure AccruedInterestReceivableFairValueDisclosure	10079000
CY2021Q2	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	2330803000
CY2021Q2	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	57529000
CY2021Q2	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	779000
CY2021Q2	us-gaap	Fair Value Liabilities Measured On Recurring Basis Subordinated Debt Obligations FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations	15243000
CY2020Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	54245000
CY2020Q2	smbc	Interest Bearing Time Deposits Fair Value Disclosure InterestBearingTimeDepositsFairValueDisclosure	974000
CY2020Q2	smbc	Stock In Federal Home Loan Bank Fair Value Disclosure StockInFederalHomeLoanBankFairValueDisclosure	6390000
CY2020Q2	smbc	Stock In Federal Reserve Bank Fair Value Disclosure StockInFederalReserveBankFairValueDisclosure	4363000
CY2020Q2	us-gaap	Receivables Fair Value Disclosure ReceivablesFairValueDisclosure	2141929000
CY2020Q2	smbc	Accrued Interest Receivable Fair Value Disclosure AccruedInterestReceivableFairValueDisclosure	12116000
CY2020Q2	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	2184847000
CY2020Q2	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	70024000
CY2020Q2	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	1646000
CY2020Q2	us-gaap	Fair Value Liabilities Measured On Recurring Basis Subordinated Debt Obligations FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations	15142000
CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	26972000
CY2020Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27871000
CY2021Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27100000
CY2021Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27532000
CY2020Q3	us-gaap	Interest Expense InterestExpense	4908000
CY2020Q4	us-gaap	Interest Expense InterestExpense	4344000
CY2021Q1	us-gaap	Interest Expense InterestExpense	3951000
CY2021Q2	us-gaap	Interest Expense InterestExpense	3586000
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	22064000
CY2020Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	23527000
CY2021Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	23149000
CY2021Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	23946000
CY2020Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1000000
CY2020Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1000000
CY2021Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-409000
CY2021Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-2615000
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	4941000
CY2020Q4	us-gaap	Noninterest Income NoninterestIncome	5720000
CY2021Q1	us-gaap	Noninterest Income NoninterestIncome	4524000
CY2021Q2	us-gaap	Noninterest Income NoninterestIncome	4857000
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	13272000
CY2020Q4	us-gaap	Noninterest Expense NoninterestExpense	13046000
CY2021Q1	us-gaap	Noninterest Expense NoninterestExpense	13528000
CY2021Q2	us-gaap	Noninterest Expense NoninterestExpense	14201000
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	12733000
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	15201000
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	14554000
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	17217000
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2747000
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3153000
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3096000
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3529000
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	18554000
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	18993000
CY2018Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	682000
CY2018Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	314000
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	12048000
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	11458000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	13688000
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.33
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.27
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.53
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.09
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.32
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.27
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.53
CY2018Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	22042000
CY2018Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	24207000
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	25186000
CY2019Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	26047000
CY2018Q3	us-gaap	Interest Expense InterestExpense	4875000
CY2018Q4	us-gaap	Interest Expense InterestExpense	6139000
CY2019Q1	us-gaap	Interest Expense InterestExpense	6632000
CY2019Q2	us-gaap	Interest Expense InterestExpense	7054000
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17167000
CY2018Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	18068000
CY2019Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	491000
CY2019Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	545000
CY2018Q3	us-gaap	Noninterest Income NoninterestIncome	2944000
CY2018Q4	us-gaap	Noninterest Income NoninterestIncome	3568000
CY2019Q1	us-gaap	Noninterest Income NoninterestIncome	3423000
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	3158000
CY2018Q3	us-gaap	Noninterest Expense NoninterestExpense	10963000
CY2018Q4	us-gaap	Noninterest Expense NoninterestExpense	12066000
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	12667000
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	12196000
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	8466000
CY2018Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	9256000
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	8819000
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	9410000
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1666000
CY2018Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1802000
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1725000
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1854000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	6800000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	7454000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	7094000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	7556000
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81

Files In Submission

Name	View Source	Status
0001558370-21-012437-index-headers.html	Edgar Link	pending
0001558370-21-012437-index.html	Edgar Link	pending
0001558370-21-012437.txt	Edgar Link	pending
0001558370-21-012437-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
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smbc-20210630.xsd	Edgar Link	pending
smbc-20210630x10k.htm	Edgar Link	pending
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smbc-20210630x10k_htm.xml	Edgar Link	completed
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smbc-20210630_cal.xml	Edgar Link	unprocessable
smbc-20210630_def.xml	Edgar Link	unprocessable
smbc-20210630_lab.xml	Edgar Link	unprocessable
smbc-20210630_pre.xml	Edgar Link	unprocessable

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$SMBC
SOUTHERN MISSOURI BANCORP, INC. Stock $smbc

2021 Q2 Form 10-K Financial Statement

#000155837021012437 Filed on September 13, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SMBC SOUTHERN MISSOURI BANCORP, INC. Stock $smbc

2021 Q2 Form 10-K Financial Statement

#000155837021012437 Filed on September 13, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SMBC
SOUTHERN MISSOURI BANCORP, INC. Stock $smbc