$HMST
HomeStreet Inc Stock $hmst

$hmst Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000151871521000186 Filed on November 05, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue		$61.39M	$63.74M
YoY Change		-3.69%	-9.05%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$6.902M	$7.401M
YoY Change		-6.74%	-9.45%
% of Gross Profit
Depreciation & Amortization	$3.200M	$3.100M	$24.40M
YoY Change	-118.5%	-87.3%	146.46%
% of Gross Profit
Operating Expenses		$6.902M	$7.401M
YoY Change		-6.74%	-9.45%
Operating Profit
YoY Change
Interest Expense		$3.904M	$8.053M
YoY Change		-51.52%	-64.9%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$37.70M	$34.83M	$33.78M
YoY Change	6.8%	3.11%	111.23%
Income Tax	$8.300M	$7.663M	$7.433M
% Of Pretax Income	22.02%	22.0%	22.0%
Net Earnings	$29.40M	$27.17M	$26.35M
YoY Change	6.52%	3.12%	90.56%
Net Earnings / Revenue		44.26%	41.34%
Basic Earnings Per Share		$1.32	$1.16
Diluted Earnings Per Share	$1.434M	$1.31	$1.15
COMMON SHARES
Basic Shares Outstanding	20.45M shares	20.61M shares	22.67M shares
Diluted Shares Outstanding		20.82M shares	22.88M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.072B	$1.202B	$1.191B
YoY Change	-5.51%	0.94%	26.45%
Cash & Equivalents	$65.21M	$218.7M	$79.07M
Short-Term Investments	$1.007B	$983.0M	$1.111B
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$58.15M	$58.45M	$69.44M
YoY Change	-10.67%	-15.83%	-12.02%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets			$0.00
YoY Change			-100.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$7.204B	$7.372B	$7.410B
YoY Change	-0.46%	-0.5%	8.39%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$175.2M	$176.4M	$257.3M
YoY Change	-29.67%	-31.44%	205.95%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$41.00M	$0.00	$514.6M
YoY Change	-87.3%	-100.0%
Long-Term Debt Due	$62.00M	$61.00M	$60.80M
YoY Change	0.32%	0.33%	0.33%
Total Short-Term Liabilities	$237.2M	$237.4M	$318.1M
YoY Change	-23.71%	-25.37%	24.55%
LONG-TERM LIABILITIES
Long-Term Debt	$64.00M	$65.00M	$65.00M
YoY Change	0.0%	0.0%	-12.52%
Other Long-Term Liabilities			$0.00
YoY Change			-100.0%
Total Long-Term Liabilities	$64.00M	$65.00M	$65.00M
YoY Change	0.0%	0.0%	-18.14%
TOTAL LIABILITIES
Total Short-Term Liabilities	$237.2M	$237.4M	$318.1M
Total Long-Term Liabilities	$64.00M	$65.00M	$65.00M
Total Liabilities	$6.489B	$6.662B	$6.713B
YoY Change	-0.47%	-0.76%	9.25%
SHAREHOLDERS EQUITY
Retained Earnings	$444.3M	$432.2M	$383.1M
YoY Change	10.02%	12.81%	2.71%
Common Stock	$249.9M	$256.1M	$280.4M
YoY Change	-10.29%	-8.68%	54777.1%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$715.3M	$710.4M	$696.3M
YoY Change
Total Liabilities & Shareholders Equity	$7.204B	$7.372B	$7.410B
YoY Change	-0.46%	-0.5%	8.39%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$29.40M	$27.17M	$26.35M
YoY Change	6.52%	3.12%	90.56%
Depreciation, Depletion And Amortization	$3.200M	$3.100M	$24.40M
YoY Change	-118.5%	-87.3%	146.46%
Cash From Operating Activities	-$9.500M	$127.3M	$105.0M
YoY Change	-164.19%	21.24%	-63.86%
INVESTING ACTIVITIES
Capital Expenditures	-$2.000M	-$100.0K	-$1.900M
YoY Change	566.67%	-94.74%
Acquisitions
YoY Change
Other Investing Activities	$31.80M	-$199.7M	-$20.70M
YoY Change	-80.32%	864.73%	-134.1%
Cash From Investing Activities	$29.80M	-$199.8M	-$22.50M
YoY Change	-81.53%	788.0%	-137.07%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-173.7M	202.7M	-69.30M
YoY Change	-11.87%	-392.5%	-81.57%
NET CHANGE
Cash From Operating Activities	-9.500M	127.3M	105.0M
Cash From Investing Activities	29.80M	-199.8M	-22.50M
Cash From Financing Activities	-173.7M	202.7M	-69.30M
Net Change In Cash	-153.4M	130.2M	13.20M
YoY Change	630.48%	886.36%	-153.23%
FREE CASH FLOW
Cash From Operating Activities	-$9.500M	$127.3M	$105.0M
Capital Expenditures	-$2.000M	-$100.0K	-$1.900M
Free Cash Flow	-$7.500M	$127.4M	$106.9M
YoY Change	-149.67%	19.18%	-63.2%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-35424
	dei	Entity Registrant Name EntityRegistrantName	HOMESTREET, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	WA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	91-0186600
	dei	Entity Address Address Line1 EntityAddressAddressLine1	601 Union Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 2000
	dei	Entity Address City Or Town EntityAddressCityOrTown	Seattle
	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	98101
	dei	City Area Code CityAreaCode	206
	dei	Local Phone Number LocalPhoneNumber	623-3050
	dei	Security12b Title Security12bTitle	Common Stock
	dei	Trading Symbol TradingSymbol	HMST
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	20450012	shares
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	218662000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	58049000	USD
CY2021Q3	us-gaap	Marketable Securities MarketableSecurities	983038000	USD
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	1076364000	USD
CY2021Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	395112000	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	361932000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	54516000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64294000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	5299741000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	5179886000	USD
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CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	58449000	USD
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CY2021Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1484000	USD
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CY2021Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	322800000	USD
CY2021Q3	us-gaap	Long Term Debt LongTermDebt	125979000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	125838000	USD
CY2021Q3	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	176436000	USD
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CY2021Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2020Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	160000000	shares
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CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	20446648	shares
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CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	21796904	shares
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	256081000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	278505000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	432202000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	403888000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	22093000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	35357000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	710376000	USD
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CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7372451000	USD
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CY2021Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	56117000	USD
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	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	166763000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	172275000	USD
CY2021Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	5130000	USD
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	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	16091000	USD
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	16053000	USD
CY2021Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	141000	USD
CY2020Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	532000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	472000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	960000	USD
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	61388000	USD
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	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	183326000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	189288000	USD
CY2021Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2507000	USD
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	us-gaap	Interest Expense Deposits InterestExpenseDeposits	8930000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	28944000	USD
CY2021Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	1397000	USD
CY2020Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	2067000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	4423000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	7730000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	3904000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	8053000	USD
	us-gaap	Interest Expense InterestExpense	13353000	USD
	us-gaap	Interest Expense InterestExpense	36674000	USD
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	57484000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	55684000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	169973000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	152614000	USD
CY2021Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-5000000	USD
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-9000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	20469000	USD
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	62484000	USD
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	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	178973000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	132145000	USD
CY2021Q3	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	17509000	USD
CY2020Q3	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	33130000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	72239000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	85698000	USD
CY2021Q3	hmst	Servicing Fees Net1 ServicingFeesNet1	2014000	USD
CY2020Q3	hmst	Servicing Fees Net1 ServicingFeesNet1	-1582000	USD
	hmst	Servicing Fees Net1 ServicingFeesNet1	4693000	USD
	hmst	Servicing Fees Net1 ServicingFeesNet1	6921000	USD
CY2021Q3	hmst	Depositor And Other Retail Banking Fees DepositorAndOtherRetailBankingFees	2091000	USD
CY2020Q3	hmst	Depositor And Other Retail Banking Fees DepositorAndOtherRetailBankingFees	1769000	USD
	hmst	Depositor And Other Retail Banking Fees DepositorAndOtherRetailBankingFees	5912000	USD
	hmst	Depositor And Other Retail Banking Fees DepositorAndOtherRetailBankingFees	5225000	USD
CY2021Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2684000	USD
CY2020Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2838000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	8511000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	7543000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	24298000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	36155000	USD
	us-gaap	Noninterest Income NoninterestIncome	91355000	USD
	us-gaap	Noninterest Income NoninterestIncome	105387000	USD
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	31175000	USD
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	us-gaap	Labor And Related Expense LaborAndRelatedExpense	101388000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	101429000	USD
CY2021Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	6902000	USD
CY2020Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7401000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	20635000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	22330000	USD
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	5705000	USD
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	8354000	USD
	us-gaap	Occupancy Net OccupancyNet	18170000	USD
	us-gaap	Occupancy Net OccupancyNet	23082000	USD
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CY2020Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	7732000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	21179000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	24052000	USD
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	51949000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	58057000	USD
	us-gaap	Noninterest Expense NoninterestExpense	161372000	USD
	us-gaap	Noninterest Expense NoninterestExpense	170893000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	34833000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	33782000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	108956000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	66639000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7663000	USD
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	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22966000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14247000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	27170000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	26349000	USD
	us-gaap	Net Income Loss NetIncomeLoss	85990000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52392000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.08
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.15
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.24
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20613290	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22665069	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21099059	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23226109	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20819601	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22877226	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21352715	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23403729	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	27170000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	26349000	USD
	us-gaap	Net Income Loss NetIncomeLoss	85990000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52392000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	-7283000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	5386000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	-16728000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	36336000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-15000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	62000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	316000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-7283000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	5401000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-16790000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	36020000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1530000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1131000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-3513000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	7630000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-3000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	13000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	66000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-1530000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	1134000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-3526000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	7564000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5753000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4267000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-13264000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	28456000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	21417000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	30616000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	72726000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	80848000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	694649000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	26349000	USD
CY2020Q3	hmst	Shares Issued And Granted Value Share Based Payment Arrangement After Forfeiture SharesIssuedAndGrantedValueShareBasedPaymentArrangementAfterForfeiture	846000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4267000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	3450000	USD
CY2020Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	26355000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	696306000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	679723000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52392000	USD
	hmst	Shares Issued And Granted Value Share Based Payment Arrangement After Forfeiture SharesIssuedAndGrantedValueShareBasedPaymentArrangementAfterForfeiture	2030000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	782000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	28456000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
	us-gaap	Dividends Common Stock DividendsCommonStock	10556000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	52781000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	696306000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	708731000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	27170000	USD
CY2021Q3	hmst	Shares Issued And Granted Value Share Based Payment Arrangement After Forfeiture SharesIssuedAndGrantedValueShareBasedPaymentArrangementAfterForfeiture	892000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	339000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5753000	USD
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	5259000	USD
CY2021Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	15744000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	710376000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	717750000	USD
	us-gaap	Net Income Loss NetIncomeLoss	85990000	USD
	hmst	Shares Issued And Granted Value Share Based Payment Arrangement After Forfeiture SharesIssuedAndGrantedValueShareBasedPaymentArrangementAfterForfeiture	2557000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	2383000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-13264000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.75
	us-gaap	Dividends Common Stock DividendsCommonStock	16171000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	68869000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	710376000	USD
	us-gaap	Net Income Loss NetIncomeLoss	85990000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52392000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-9000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	20469000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	7294000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6955000	USD
	hmst	Accretion Amortization Of Discounts And Premiums Investments Deposits And Debt AccretionAmortizationOfDiscountsAndPremiumsInvestmentsDepositsAndDebt	-4788000	USD
	hmst	Accretion Amortization Of Discounts And Premiums Investments Deposits And Debt AccretionAmortizationOfDiscountsAndPremiumsInvestmentsDepositsAndDebt	-7228000	USD
	hmst	Operating Lease Payments In Excess Of Operating Lease Right Of Use Asset Amortization Expense OperatingLeasePaymentsInExcessOfOperatingLeaseRightOfUseAssetAmortizationExpense	3015000	USD
	hmst	Operating Lease Payments In Excess Of Operating Lease Right Of Use Asset Amortization Expense OperatingLeasePaymentsInExcessOfOperatingLeaseRightOfUseAssetAmortizationExpense	2731000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	786000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1001000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	878000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1030000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	7544000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-1728000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2557000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2030000	USD
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	248000	USD
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	4623000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-7777000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	6998000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1785393000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1670272000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	1932447000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	1605064000	USD
	hmst	Financing Receivable Net Fair Value Adjustment And Gain Loss On Sale FinancingReceivableNetFairValueAdjustmentAndGainLossOnSale	36359000	USD
	hmst	Financing Receivable Net Fair Value Adjustment And Gain Loss On Sale FinancingReceivableNetFairValueAdjustmentAndGainLossOnSale	55443000	USD
	hmst	Increase Decreasein Mortgage Servicing Rights IncreaseDecreaseinMortgageServicingRights	27908000	USD
	hmst	Increase Decreasein Mortgage Servicing Rights IncreaseDecreaseinMortgageServicingRights	19071000	USD
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	4613000	USD
	us-gaap	Gain Loss On Sale Of Notes Receivable GainLossOnSaleOfNotesReceivable	3760000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	8267000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	34033000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	5235000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	4084000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-528000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	24842000	USD
	hmst	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	489000	USD
	hmst	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	-2149000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	182474000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-40331000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	112146000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	348384000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	28187000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	58487000	USD
	hmst	Principal Payments Received Debt Securities Available For Sale PrincipalPaymentsReceivedDebtSecuritiesAvailableForSale	159037000	USD
	hmst	Principal Payments Received Debt Securities Available For Sale PrincipalPaymentsReceivedDebtSecuritiesAvailableForSale	152643000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	650000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	251474000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	349498000	USD
	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	0	USD
	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	2759000	USD
	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	492666000	USD
	us-gaap	Increase Decrease In Finance Receivables IncreaseDecreaseInFinanceReceivables	603847000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1460000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	852000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2972000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	89882000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	112808000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	78286000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	116993000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-155370000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-393891000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	538005000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	475639000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-322800000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	43000000	USD
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	50000000	USD
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	50000000	USD
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	787000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	973000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	65001000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	51939000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	263000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	237000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	16171000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10556000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	133509000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	455408000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	160613000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	21186000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	58049000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	57880000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	218662000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	79066000	USD
	us-gaap	Interest Paid Net InterestPaidNet	12371000	USD
	us-gaap	Interest Paid Net InterestPaidNet	36645000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	28156000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	11236000	USD
	hmst	Increase In Finance And Operating Lease Liabilities And Assets IncreaseInFinanceAndOperatingLeaseLiabilitiesAndAssets	910000	USD
	hmst	Increase In Finance And Operating Lease Liabilities And Assets IncreaseInFinanceAndOperatingLeaseLiabilitiesAndAssets	0	USD
	hmst	Decrease In Finance And Operating Lease Liabilities And Assets DecreaseInFinanceAndOperatingLeaseLiabilitiesAndAssets	0	USD
	hmst	Decrease In Finance And Operating Lease Liabilities And Assets DecreaseInFinanceAndOperatingLeaseLiabilitiesAndAssets	38754000	USD
	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	390521000	USD
	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	412219000	USD
	hmst	Loans Recognized With Right To Repurchase LoansRecognizedWithRightToRepurchase	0	USD
	hmst	Loans Recognized With Right To Repurchase LoansRecognizedWithRightToRepurchase	105727000	USD
	hmst	Loans Derecognized With Right To Repurchase LoansDerecognizedWithRightToRepurchase	70197000	USD
	hmst	Loans Derecognized With Right To Repurchase LoansDerecognizedWithRightToRepurchase	0	USD
	hmst	Stock Repurchased During Period Award Settlement Noncash StockRepurchasedDuringPeriodAwardSettlementNoncash	3868000	USD
	hmst	Stock Repurchased During Period Award Settlement Noncash StockRepurchasedDuringPeriodAwardSettlementNoncash	842000	USD
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain amounts in the financial statements from prior periods have been reclassified to conform to the current financial statement presentation.
CY2021Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	950878000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	31028000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	3063000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	978843000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	1027338000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	45568000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	813000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1072093000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2346000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	111712000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	717000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	18848000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	3063000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	130560000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	486000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	26711000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	327000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	16790000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	813000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	43501000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0	USD
CY2021Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2020Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2872000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	28187000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	58487000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	288000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1289000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	-15000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	-226000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	-973000	USD
CY2021Q3	hmst	Pledged Assets Not Separately Reported Securities Pledged For Stateand Local Governments PledgedAssetsNotSeparatelyReportedSecuritiesPledgedForStateandLocalGovernments	176003000	USD
CY2020Q4	hmst	Pledged Assets Not Separately Reported Securities Pledged For Stateand Local Governments PledgedAssetsNotSeparatelyReportedSecuritiesPledgedForStateandLocalGovernments	171471000	USD
CY2021Q3	hmst	Pledged Assets Separately Reported Other Securities Pledged PledgedAssetsSeparatelyReportedOtherSecuritiesPledged	5608000	USD
CY2020Q4	hmst	Pledged Assets Separately Reported Other Securities Pledged PledgedAssetsSeparatelyReportedOtherSecuritiesPledged	3391000	USD
CY2021Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	181611000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	174862000	USD
CY2021Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2600000	USD
CY2020Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2800000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	7600000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	7900000	USD
	hmst	Number Of Portfolio Segments NumberOfPortfolioSegments	2	portfolioSegment
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	5354257000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	5244180000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	54516000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64294000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	5299741000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	5179886000	USD
CY2021Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-5000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-9000000	USD
CY2021Q3	hmst	Allowance For Unfunded Commitments AllowanceForUnfundedCommitments	2500000	USD
CY2020Q4	hmst	Allowance For Unfunded Commitments AllowanceForUnfundedCommitments	1600000	USD
CY2021Q3	hmst	Financing Receivable Interest Receivable FinancingReceivableInterestReceivable	18100000	USD
CY2020Q4	hmst	Financing Receivable Interest Receivable FinancingReceivableInterestReceivable	21200000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	59897000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	65000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64294000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	41772000	USD
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-5348000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	273000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-9864000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	21633000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	33000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	381000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	-86000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	356000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	54516000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64892000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	54516000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64892000	USD
CY2021Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2104000	USD
CY2020Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2071000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1588000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1065000	USD
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	348000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-273000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	864000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-1164000	USD
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2452000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1798000	USD
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2452000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1798000	USD
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-5348000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	273000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-9864000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	21633000	USD
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	348000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-273000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	864000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-1164000	USD
CY2021Q3	hmst	Financing Receivable Credit Loss And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-5000000	USD
CY2020Q3	hmst	Financing Receivable Credit Loss And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	0	USD
	hmst	Financing Receivable Credit Loss And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-9000000	USD
	hmst	Financing Receivable Credit Loss And Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal FinancingReceivableCreditLossAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	20469000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	59897000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	470000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	437000	USD
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-5348000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	54516000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	65000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	489000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	108000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	273000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64892000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64294000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	675000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	761000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-9864000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	54516000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	41772000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	938000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	582000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	21633000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	64892000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1547833000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1005273000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	740223000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	381498000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	382896000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	784920000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	498796000	USD
CY2021Q3	hmst	Financing Receivable Excluding Accrued Interest Revolving Term FinancingReceivableExcludingAccruedInterestRevolvingTerm	12818000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	5354257000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1537105000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	915913000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	625936000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	509224000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	537197000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	546101000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	556217000	USD
CY2020Q4	hmst	Financing Receivable Excluding Accrued Interest Revolving Term FinancingReceivableExcludingAccruedInterestRevolvingTerm	16487000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	5244180000	USD
CY2021Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	9069000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	17712000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	10197000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	20722000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	17712000	USD
CY2021Q3	hmst	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Past Due And Nonaccrual FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossPastDueAndNonaccrual	28829000	USD
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	5354257000	USD
CY2021Q3	hmst	Financing Receivable Nonaccrual Percent Of Total Loans FinancingReceivableNonaccrualPercentOfTotalLoans	0.0033
CY2021Q3	hmst	Financing Receivable Past Due And Nonaccrual Percent Of Total Loans FinancingReceivablePastDueAndNonaccrualPercentOfTotalLoans	0.0054
CY2021Q3	hmst	Financing Receivable Percent Of Total Loans FinancingReceivablePercentOfTotalLoans	1.0000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	20722000	USD
CY2020Q4	hmst	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Past Due And Nonaccrual FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossPastDueAndNonaccrual	35140000	USD
CY2020Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	5244180000	USD
CY2020Q4	hmst	Financing Receivable Nonaccrual Percent Of Total Loans FinancingReceivableNonaccrualPercentOfTotalLoans	0.0040
CY2020Q4	hmst	Financing Receivable Past Due And Nonaccrual Percent Of Total Loans FinancingReceivablePastDueAndNonaccrualPercentOfTotalLoans	0.0067
CY2020Q4	hmst	Financing Receivable Percent Of Total Loans FinancingReceivablePercentOfTotalLoans	1.0000
CY2021Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	14	loan
CY2021Q3	hmst	Financing Receivable Modifications Recorded Investment At Period End FinancingReceivableModificationsRecordedInvestmentAtPeriodEnd	4289000	USD
CY2021Q3	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	21	loan
	hmst	Financing Receivable Modifications Recorded Investment At Period End FinancingReceivableModificationsRecordedInvestmentAtPeriodEnd	6744000	USD
	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	9	loan
CY2020Q3	hmst	Financing Receivable Modifications Recorded Investment At Period End FinancingReceivableModificationsRecordedInvestmentAtPeriodEnd	2053000	USD
CY2020Q3	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	35	loan
	hmst	Financing Receivable Modifications Recorded Investment At Period End FinancingReceivableModificationsRecordedInvestmentAtPeriodEnd	8748000	USD
	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
	hmst	Trouble Debt Restructuring Re Default Number Of Days Past Due Consumer TroubleDebtRestructuringReDefaultNumberOfDaysPastDueConsumer	P60D
	hmst	Trouble Debt Restructuring Re Default Number Of Days Past Due Commercial TroubleDebtRestructuringReDefaultNumberOfDaysPastDueCommercial	P90D
CY2021Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	2	loan
CY2021Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	422000	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	6	loan
CY2020Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1038000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	8	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	2442000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	16	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	3237000	USD
CY2021Q3	hmst	Loans Granted Forbearance Outstanding Balance LoansGrantedForbearanceOutstandingBalance	43000000	USD
CY2021Q3	hmst	Number Of Loans Granted Forbearance NumberOfLoansGrantedForbearance	100	loan
CY2021Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1706550000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1337010000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	555716000	USD
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0010
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	484265000	USD
CY2020Q4	us-gaap	Weighted Average Rate Domestic Deposit WeightedAverageRateDomesticDeposit	0.0010
CY2021Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	305395000	USD
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Savings WeightedAverageRateDomesticDepositSavings	0.0006
CY2020Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	264024000	USD
CY2020Q4	us-gaap	Weighted Average Rate Domestic Deposit Savings WeightedAverageRateDomesticDepositSavings	0.0007
CY2021Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	2796524000	USD
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Money Market WeightedAverageRateDomesticDepositMoneyMarket	0.0015
CY2020Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	2596453000	USD
CY2020Q4	us-gaap	Weighted Average Rate Domestic Deposit Money Market WeightedAverageRateDomesticDepositMoneyMarket	0.0021
CY2021Q3	us-gaap	Time Deposits TimeDeposits	995475000	USD
CY2021Q3	us-gaap	Weighted Average Rate Domestic Deposit Certificates Of Deposit WeightedAverageRateDomesticDepositCertificatesOfDeposit	0.0050
CY2020Q4	us-gaap	Time Deposits TimeDeposits	1139807000	USD
CY2020Q4	us-gaap	Weighted Average Rate Domestic Deposit Certificates Of Deposit WeightedAverageRateDomesticDepositCertificatesOfDeposit	0.0093
CY2021Q3	us-gaap	Deposits Deposits	6359660000	USD
CY2021Q3	hmst	Weighted Average Rate Domestic Deposit1 WeightedAverageRateDomesticDeposit1	0.0015
CY2020Q4	us-gaap	Deposits Deposits	5821559000	USD
CY2020Q4	hmst	Weighted Average Rate Domestic Deposit1 WeightedAverageRateDomesticDeposit1	0.0029
CY2021Q3	us-gaap	Time Deposit Maturities Next Rolling Twelve Months TimeDepositMaturitiesNextRollingTwelveMonths	785798000	USD
CY2021Q3	us-gaap	Time Deposit Maturities Rolling Year Two TimeDepositMaturitiesRollingYearTwo	182878000	USD
CY2021Q3	us-gaap	Time Deposit Maturities Rolling Year Three TimeDepositMaturitiesRollingYearThree	19005000	USD
CY2021Q3	us-gaap	Time Deposit Maturities Rolling Year Four TimeDepositMaturitiesRollingYearFour	4843000	USD
CY2021Q3	us-gaap	Time Deposit Maturities Rolling Year Five TimeDepositMaturitiesRollingYearFive	2951000	USD
CY2021Q3	us-gaap	Time Deposit Maturities After Rolling Year Five TimeDepositMaturitiesAfterRollingYearFive	0	USD
CY2021Q3	us-gaap	Time Deposits TimeDeposits	995475000	USD
CY2021Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	113000000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	130000000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	205000000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	210000000	USD
CY2021Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	1601281000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	14803000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	11550000	USD
CY2021Q3	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	4348000	USD
CY2021Q3	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	9909000	USD
CY2021Q3	us-gaap	Derivative Assets DerivativeAssets	10455000	USD
CY2021Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	1641000	USD
CY2020Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	2322816000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	35889000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	24232000	USD
CY2020Q4	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	8250000	USD
CY2020Q4	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	21447000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	27639000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	2785000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	14803000	USD
CY2021Q3	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	4348000	USD
CY2021Q3	us-gaap	Derivative Assets DerivativeAssets	10455000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	11550000	USD
CY2021Q3	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	9909000	USD
CY2021Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	1641000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	35889000	USD
CY2020Q4	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	8250000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	27639000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	24232000	USD
CY2020Q4	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	21447000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	2785000	USD
CY2021Q3	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	2600000	USD
CY2020Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	3300000	USD
CY2021Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	8200000	USD
CY2020Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	16500000	USD
CY2021Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	395112000	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	361932000	USD
CY2021Q3	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	538900000	USD
CY2020Q3	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	857260000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2135360000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1895342000	USD
CY2021Q3	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities Including Discontinued Operations NetGainsLossesOnMortgageLoanOriginationAndSalesActivitiesIncludingDiscontinuedOperations	17509000	USD
CY2020Q3	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities Including Discontinued Operations NetGainsLossesOnMortgageLoanOriginationAndSalesActivitiesIncludingDiscontinuedOperations	33130000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities Including Discontinued Operations NetGainsLossesOnMortgageLoanOriginationAndSalesActivitiesIncludingDiscontinuedOperations	72239000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities Including Discontinued Operations NetGainsLossesOnMortgageLoanOriginationAndSalesActivitiesIncludingDiscontinuedOperations	85698000	USD
CY2021Q3	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	7689878000	USD
CY2020Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	7758833000	USD
CY2021Q3	hmst	Servicing Advances ServicingAdvances	2500000	USD
CY2020Q4	hmst	Servicing Advances ServicingAdvances	3000000	USD
CY2021Q3	hmst	Servicing Fees And Other ServicingFeesAndOther	7897000	USD
CY2020Q3	hmst	Servicing Fees And Other ServicingFeesAndOther	7220000	USD
	hmst	Servicing Fees And Other ServicingFeesAndOther	26055000	USD
	hmst	Servicing Fees And Other ServicingFeesAndOther	23073000	USD
CY2021Q3	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	4579000	USD
CY2020Q3	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	4401000	USD
	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	15453000	USD
	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	12246000	USD
CY2021Q3	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	1758000	USD
CY2020Q3	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	1350000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	5235000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	4084000	USD
CY2021Q3	hmst	Net Servicing Income NetServicingIncome	1560000	USD
CY2020Q3	hmst	Net Servicing Income NetServicingIncome	1469000	USD
	hmst	Net Servicing Income NetServicingIncome	5367000	USD
	hmst	Net Servicing Income NetServicingIncome	6743000	USD
CY2021Q3	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	747000	USD
CY2020Q3	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-2960000	USD
	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	7186000	USD
	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-21970000	USD
CY2021Q3	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	454000	USD
CY2020Q3	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	-3051000	USD
	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	-674000	USD
	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	178000	USD
CY2021Q3	hmst	Servicing Fees Net Including Discontinued Operations ServicingFeesNetIncludingDiscontinuedOperations	2014000	USD
CY2020Q3	hmst	Servicing Fees Net Including Discontinued Operations ServicingFeesNetIncludingDiscontinuedOperations	-1582000	USD
	hmst	Servicing Fees Net Including Discontinued Operations ServicingFeesNetIncludingDiscontinuedOperations	4693000	USD
	hmst	Servicing Fees Net Including Discontinued Operations ServicingFeesNetIncludingDiscontinuedOperations	6921000	USD
CY2021Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	61206000	USD
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P5Y10M13D
CY2021Q3	hmst	Impact On Fair Value Of Twenty Five Basis Points Decrease ImpactOnFairValueOfTwentyFiveBasisPointsDecrease	3490000	USD
CY2021Q3	hmst	Impact On Fair Value Of Fifty Basis Points Decrease ImpactOnFairValueOfFiftyBasisPointsDecrease	7016000	USD
CY2021Q3	hmst	Impact On Fair Value Of Hundred Basis Points Increase ImpactOnFairValueOfHundredBasisPointsIncrease	2949000	USD
CY2021Q3	hmst	Impact On Fair Value Of Two Hundred Basis Points Increase ImpactOnFairValueOfTwoHundredBasisPointsIncrease	5675000	USD
CY2021Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	39113000	USD
CY2020Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	30583000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	35774000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	29494000	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2270000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2524000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	9086000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	6129000	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1758000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1301000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	5235000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	3817000	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	39625000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	31806000	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	39625000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	31806000	USD
	hmst	Fair Value Measurement Transfers Between With Levels Of Hierarchy For Assets And Liabilities Held FairValueMeasurementTransfersBetweenWithLevelsOfHierarchyForAssetsAndLiabilitiesHeld	0	USD
CY2021Q3	hmst	Fair Value Measurement Transfers Between With Levels Of Hierarchy For Assets And Liabilities Held FairValueMeasurementTransfersBetweenWithLevelsOfHierarchyForAssetsAndLiabilitiesHeld	0	USD
	hmst	Fair Value Measurement Transfers Between With Levels Of Hierarchy For Assets And Liabilities Held FairValueMeasurementTransfersBetweenWithLevelsOfHierarchyForAssetsAndLiabilitiesHeld	0	USD
CY2020Q3	hmst	Fair Value Measurement Transfers Between With Levels Of Hierarchy For Assets And Liabilities Held FairValueMeasurementTransfersBetweenWithLevelsOfHierarchyForAssetsAndLiabilitiesHeld	0	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	27170000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	26349000	USD
	us-gaap	Net Income Loss NetIncomeLoss	85990000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52392000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20613290	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22665069	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21099059	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23226109	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	206311	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	212157	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	253656	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	177620	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20819601	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22877226	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21352715	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23403729	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.08
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.26
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.15
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.24
CY2021Q3	us-gaap	Payments For Restructuring PaymentsForRestructuring	336000	USD
CY2021Q3	us-gaap	Restructuring Reserve RestructuringReserve	2062000	USD
CY2020Q3	us-gaap	Restructuring Charges RestructuringCharges	2132000	USD
CY2020Q3	us-gaap	Payments For Restructuring PaymentsForRestructuring	2019000	USD
CY2020Q3	us-gaap	Restructuring Reserve RestructuringReserve	2065000	USD
	us-gaap	Payments For Restructuring PaymentsForRestructuring	1071000	USD
CY2021Q3	us-gaap	Restructuring Reserve RestructuringReserve	2062000	USD
	us-gaap	Restructuring Charges RestructuringCharges	5500000	USD
	us-gaap	Payments For Restructuring PaymentsForRestructuring	5339000	USD
CY2020Q3	us-gaap	Restructuring Reserve RestructuringReserve	2065000	USD
	dei	Entity Central Index Key EntityCentralIndexKey	0001518715
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false

Files In Submission

Name	View Source	Status
0001518715-21-000186-index-headers.html	Edgar Link	pending
0001518715-21-000186-index.html	Edgar Link	pending
0001518715-21-000186.txt	Edgar Link	pending
0001518715-21-000186-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
hmst-20210930.htm	Edgar Link	pending
hmst-20210930.xsd	Edgar Link	pending
hmst-20210930_cal.xml	Edgar Link	unprocessable
hmst-20210930_def.xml	Edgar Link	unprocessable
hmst-20210930_htm.xml	Edgar Link	completed
hmst-20210930_lab.xml	Edgar Link	unprocessable
hmst-20210930_pre.xml	Edgar Link	unprocessable
hmst-ex31110qq32021.htm	Edgar Link	pending
hmst-ex31210qq32021.htm	Edgar Link	pending
hmst-ex3210qq32021.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$HMST
HomeStreet Inc Stock $hmst

2021 Q4 Form 10-Q Financial Statement

#000151871521000186 Filed on November 05, 2021

Income Statement

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Cashflow Statement

Facts In Submission

Files In Submission

$HMST HomeStreet Inc Stock $hmst

2021 Q4 Form 10-Q Financial Statement

#000151871521000186 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HMST
HomeStreet Inc Stock $hmst