$HMST
HomeStreet Inc Stock $hmst

$hmst Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-Q Financial Statement

#000151871517000213 Filed on November 03, 2017

Income Statement

Concept	2017 Q4	2017 Q3	2016 Q3
Revenue	$63.69M	$61.98M	$55.33M
YoY Change	12.0%	12.02%	25.78%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$8.760M	$7.876M
YoY Change		11.22%	-3.47%
% of Gross Profit
Depreciation & Amortization	$5.800M	$5.900M	$4.200M
YoY Change	100.0%	40.48%	20.0%
% of Gross Profit
Operating Expenses		$8.760M	$7.876M
YoY Change		11.22%	-3.47%
Operating Profit
YoY Change
Interest Expense	$12.61M	$11.14M	$8.528M
YoY Change	43.46%	30.64%	95.78%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$17.04M	$19.78M	$42.90M
YoY Change	400.35%	-53.9%	198.4%
Income Tax	-$17.87M	$5.938M	$15.20M
% Of Pretax Income	-104.88%	30.02%	35.43%
Net Earnings	$34.92M	$13.84M	$27.70M
YoY Change	1422.01%	-50.04%	178.09%
Net Earnings / Revenue	54.82%	22.33%	50.07%
Basic Earnings Per Share	$1.30	$0.51	$1.12
Diluted Earnings Per Share	$1.29	$0.51	$1.11
COMMON SHARES
Basic Shares Outstanding	26.89M shares	26.88M shares	24.81M shares
Diluted Shares Outstanding		27.09M shares	25.00M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$977.0M	$974.5M	$1.047B
YoY Change	-11.0%	-6.95%	63.82%
Cash & Equivalents	$72.72M	$55.05M	$56.00M
Short-Term Investments	$904.3M	$919.5M	$991.3M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$104.7M	$104.4M	$72.95M
YoY Change	34.8%	43.09%	20.49%
Goodwill	$22.56M	$22.56M	$19.90M
YoY Change	1.75%	13.39%	66.6%
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	$6.742B	$6.796B	$6.227B
YoY Change	7.98%	9.15%	25.14%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$172.2M	$193.9M	$152.0M
YoY Change	-9.94%	27.57%	26.77%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$172.2M	$193.9M	$152.0M
YoY Change	-9.94%	27.57%	26.77%
LONG-TERM LIABILITIES
Long-Term Debt	$125.3M	$125.3M	$125.1M
YoY Change	0.16%	0.16%	102.1%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$125.3M	$125.3M	$125.1M
YoY Change	0.16%	0.16%	102.1%
TOTAL LIABILITIES
Total Short-Term Liabilities	$172.2M	$193.9M	$152.0M
Total Long-Term Liabilities	$125.3M	$125.3M	$125.1M
Total Liabilities	$6.038B	$6.125B	$5.641B
YoY Change	7.54%	8.59%	24.92%
SHAREHOLDERS EQUITY
Retained Earnings	$372.0M	$337.1M	$300.7M
YoY Change	22.75%	12.08%	27.32%
Common Stock	$511.0K	$511.0K	$511.0K
YoY Change	0.0%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$704.4M	$671.5M	$586.0M
YoY Change
Total Liabilities & Shareholders Equity	$6.742B	$6.796B	$6.227B
YoY Change	7.98%	9.15%	25.14%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2016 Q3
OPERATING ACTIVITIES
Net Income	$34.92M	$13.84M	$27.70M
YoY Change	1422.01%	-50.04%	178.09%
Depreciation, Depletion And Amortization	$5.800M	$5.900M	$4.200M
YoY Change	100.0%	40.48%	20.0%
Cash From Operating Activities	$190.7M	-$22.00M	-$72.40M
YoY Change	39.71%	-69.61%	-158.39%
INVESTING ACTIVITIES
Capital Expenditures	-$6.600M	-$6.900M	-$5.700M
YoY Change	-9.59%	21.05%	7.55%
Acquisitions
YoY Change
Other Investing Activities	-$108.0M	-$128.9M	-$108.9M
YoY Change	426.83%	18.37%	-49.02%
Cash From Investing Activities	-$114.5M	-$135.9M	-$114.6M
YoY Change	311.87%	18.59%	-47.62%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-59.80M	158.5M	197.8M
YoY Change	-46.03%	-19.87%	130.27%
NET CHANGE
Cash From Operating Activities	190.7M	-22.00M	-72.40M
Cash From Investing Activities	-114.5M	-135.9M	-114.6M
Cash From Financing Activities	-59.80M	158.5M	197.8M
Net Change In Cash	16.40M	600.0K	10.80M
YoY Change	-880.95%	-94.44%	-221.35%
FREE CASH FLOW
Cash From Operating Activities	$190.7M	-$22.00M	-$72.40M
Capital Expenditures	-$6.600M	-$6.900M	-$5.700M
Free Cash Flow	$197.3M	-$15.10M	-$66.70M
YoY Change	37.2%	-77.36%	-151.59%

Facts In Submission

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	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
	dei	Entity Central Index Key EntityCentralIndexKey	0001518715
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
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	dei	Document Type DocumentType	10-Q
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CY2017Q3	us-gaap	Noninterest Income NoninterestIncome	83884000	USD
CY2016Q3	us-gaap	Noninterest Income NoninterestIncome	111745000	USD
	us-gaap	Noninterest Income NoninterestIncome	239353000	USD
	us-gaap	Noninterest Income NoninterestIncome	285929000	USD
CY2017Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	75374000	USD
CY2016Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	79164000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	223072000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	221615000	USD
CY2017Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	16147000	USD
CY2016Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14949000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	49147000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	47210000	USD
CY2017Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	470000	USD
CY2016Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	579000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1477000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1636000	USD
CY2017Q3	us-gaap	Legal Fees LegalFees	352000	USD
CY2016Q3	us-gaap	Legal Fees LegalFees	639000	USD
	us-gaap	Legal Fees LegalFees	662000	USD
	us-gaap	Legal Fees LegalFees	1687000	USD
CY2017Q3	us-gaap	Professional Fees ProfessionalFees	914000	USD
CY2016Q3	us-gaap	Professional Fees ProfessionalFees	1390000	USD
	us-gaap	Professional Fees ProfessionalFees	2743000	USD
	us-gaap	Professional Fees ProfessionalFees	4239000	USD
CY2017Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	791000	USD
CY2016Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	919000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2312000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2419000	USD
CY2017Q3	us-gaap	Occupancy Net OccupancyNet	12391000	USD
CY2016Q3	us-gaap	Occupancy Net OccupancyNet	7740000	USD
	us-gaap	Occupancy Net OccupancyNet	29480000	USD
	us-gaap	Occupancy Net OccupancyNet	22408000	USD
CY2017Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	8760000	USD
CY2016Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7876000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	24580000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	23857000	USD
CY2017Q3	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	-502000	USD
CY2016Q3	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	1143000	USD
	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	-658000	USD
	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	1712000	USD
CY2017Q3	us-gaap	Noninterest Expense NoninterestExpense	114697000	USD
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	114399000	USD
	us-gaap	Noninterest Expense NoninterestExpense	332815000	USD
	us-gaap	Noninterest Expense NoninterestExpense	326783000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19777000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	42898000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	49147000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	87371000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5938000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15197000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15116000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31514000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	13839000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	27701000	USD
	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
	us-gaap	Net Income Loss NetIncomeLoss	55857000	USD
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.27
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.29
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26857006	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	24398683	shares
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.27
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26883392	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	24811169	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27089040	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	24996747	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27077032	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	24595348	shares
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	13839000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	27701000	USD
	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
	us-gaap	Net Income Loss NetIncomeLoss	55857000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1236000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1786000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6597000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	10474000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	215000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	31000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	577000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	94000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1021000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1817000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6020000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	10380000	USD
CY2017Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	14860000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	25884000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	40051000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	66237000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	465275000	USD
	us-gaap	Net Income Loss NetIncomeLoss	55857000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	1278000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	53238000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	10380000	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	586028000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	629284000	USD
	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	1884000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	250000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6020000	USD
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	671469000	USD
	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
	us-gaap	Net Income Loss NetIncomeLoss	55857000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	16765000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	12789000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	750000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	3750000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	170209000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	220944000	USD
	hmst	Gains Losses On Loans Held For Investment GainsLossesOnLoansHeldForInvestment	1056000	USD
	hmst	Gains Losses On Loans Held For Investment GainsLossesOnLoansHeldForInvestment	863000	USD
	hmst	Increase Decreasein Mortgage Servicing Rights IncreaseDecreaseinMortgageServicingRights	56067000	USD
	hmst	Increase Decreasein Mortgage Servicing Rights IncreaseDecreaseinMortgageServicingRights	59487000	USD
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	31916000	USD
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	61294000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	888000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	145000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2161000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	1181000	USD
	hmst	Netfairvalueadjustmentgainlossandprovisionon Other Real Estate Owned NetfairvalueadjustmentgainlossandprovisiononOtherRealEstateOwned	504000	USD
	hmst	Netfairvalueadjustmentgainlossandprovisionon Other Real Estate Owned NetfairvalueadjustmentgainlossandprovisiononOtherRealEstateOwned	-1653000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-157000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-186000	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-4450000	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-11513000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-116000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2129000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1478000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	5789638000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	6582189000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	5889561000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	6571684000	USD
	hmst	Increase Decrease In Accounts Receivable And Other Assets IncreaseDecreaseInAccountsReceivableAndOtherAssets	-11660000	USD
	hmst	Increase Decrease In Accounts Receivable And Other Assets IncreaseDecreaseInAccountsReceivableAndOtherAssets	55845000	USD
	hmst	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	13769000	USD
	hmst	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	-30569000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-31360000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-181278000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	296843000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	468900000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	342461000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	21107000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	81156000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	61018000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	3211000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	4310000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	140642000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	80956000	USD
	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	565000	USD
	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	0	USD
	hmst	Capital Expenditures Related To Other Real Estate Owned CapitalExpendituresRelatedToOtherRealEstateOwned	57000	USD
	hmst	Capital Expenditures Related To Other Real Estate Owned CapitalExpendituresRelatedToOtherRealEstateOwned	270000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	695199000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	497222000	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	1148000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	35771000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	17932000	USD
	us-gaap	Cash Acquired In Excess Of Payments To Acquire Business CashAcquiredInExcessOfPaymentsToAcquireBusiness	19285000	USD
	us-gaap	Cash Acquired In Excess Of Payments To Acquire Business CashAcquiredInExcessOfPaymentsToAcquireBusiness	24248000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-441680000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-791537000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	219332000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1097970000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	7557200000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	11323660000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	7290200000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	11497160000	USD
	hmst	Proceedsfrom Federal Funds Purchasedand Securities Soldunder Agreementsto Repurchase ProceedsfromFederalFundsPurchasedandSecuritiesSoldunderAgreementstoRepurchase	351618000	USD
	hmst	Proceedsfrom Federal Funds Purchasedand Securities Soldunder Agreementsto Repurchase ProceedsfromFederalFundsPurchasedandSecuritiesSoldunderAgreementstoRepurchase	52304000	USD
	hmst	Payments For Securities Sold Under Agreements To Repurchase PaymentsForSecuritiesSoldUnderAgreementsToRepurchase	351618000	USD
	hmst	Payments For Securities Sold Under Agreements To Repurchase PaymentsForSecuritiesSoldUnderAgreementsToRepurchase	52304000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-131603000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-197876000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	143742000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	192086000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	63205000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	11000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2664000	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-46000	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	474158000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	996129000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1118000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	23314000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	53932000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	32684000	USD
CY2017Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	869587000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	55050000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	55998000	USD
	us-gaap	Interest Paid InterestPaid	29347000	USD
	us-gaap	Interest Paid InterestPaid	19067000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-23382000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14318000	USD
	hmst	Loans Held For Investment Foreclosed And Transferred To Other Real Estate Owned LoansHeldForInvestmentForeclosedAndTransferredToOtherRealEstateOwned	1125000	USD
	hmst	Loans Held For Investment Foreclosed And Transferred To Other Real Estate Owned LoansHeldForInvestmentForeclosedAndTransferredToOtherRealEstateOwned	1661000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	246664000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	101938000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	41686000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	10262000	USD
	hmst	Loans Recognized With Right To Repurchase LoansRecognizedWithRightToRepurchase	493000	USD
	hmst	Loans Recognized With Right To Repurchase LoansRecognizedWithRightToRepurchase	-33000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	613000	USD
CY2017Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4119000	USD
CY2017Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10855000	USD
CY2017Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	862851000	USD
CY2017Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	56608000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	527000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	295000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	56840000	USD
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1009986000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1548000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	17544000	USD
CY2016Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	993990000	USD
CY2016Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	49861000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	240000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	613000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	49488000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6785000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	466610000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4070000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	162925000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	10855000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	629535000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	220000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	23011000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	75000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	5386000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	295000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	28397000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	15819000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	723052000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	30354000	USD
CY2017Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2622000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1725000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	38355000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	17544000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	761407000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	613000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	30354000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2017Q3	hmst	Available For Sale Securities Debt Maturities Within One Year Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearWeightedAverageYield	0.0232
CY2017Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	62611000	USD
CY2017Q3	hmst	Available For Sale Securities Debt Maturities After One Through Five Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsWeightedAverageYield	0.0263
CY2017Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	110859000	USD
CY2017Q3	hmst	Available For Sale Securities Debt Maturities After Five Through Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsWeightedAverageYield	0.0262
CY2017Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	686759000	USD
CY2017Q3	hmst	Available For Sale Securities Debt Maturities After Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsWeightedAverageYield	0.0281
CY2017Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	862851000	USD
CY2017Q3	hmst	Available For Sale Securities Debt Maturities Without Single Maturity Date Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateWeightedAverageYield	0.0277
CY2017Q3	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2017Q3	hmst	Held To Maturity Securities Debt Maturities Average Yield Within One Year HeldToMaturitySecuritiesDebtMaturitiesAverageYieldWithinOneYear	0
CY2017Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	5663000	USD
CY2017Q3	hmst	Held To Maturity Securities Debt Maturities Average Yield After One Through Five Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterOneThroughFiveYears	0.0221
CY2017Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	22059000	USD
CY2017Q3	hmst	Held To Maturity Securities Debt Maturities Average Yield After Five Through Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterFiveThroughTenYears	0.0271
CY2017Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	29118000	USD
CY2017Q3	hmst	Held To Maturity Securities Debt Maturities Average Yield After Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterTenYears	0.0302
CY2017Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	56840000	USD
CY2017Q3	hmst	Held To Maturity Securities Debt Maturities Average Yield HeldToMaturitySecuritiesDebtMaturitiesAverageYield	0.0282
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	4479000	USD
CY2016Q4	hmst	Available For Sale Securities Debt Maturities Within One Year Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearWeightedAverageYield	0.0270
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	63266000	USD
CY2016Q4	hmst	Available For Sale Securities Debt Maturities After One Through Five Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsWeightedAverageYield	0.0243
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	110776000	USD
CY2016Q4	hmst	Available For Sale Securities Debt Maturities After Five Through Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsWeightedAverageYield	0.0269
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	815469000	USD
CY2016Q4	hmst	Available For Sale Securities Debt Maturities After Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsWeightedAverageYield	0.0257
CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	993990000	USD
CY2016Q4	hmst	Available For Sale Securities Debt Maturities Without Single Maturity Date Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateWeightedAverageYield	0.0257
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2016Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield Within One Year HeldToMaturitySecuritiesDebtMaturitiesAverageYieldWithinOneYear	0
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	4581000	USD
CY2016Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield After One Through Five Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterOneThroughFiveYears	0.0206
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	18178000	USD
CY2016Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield After Five Through Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterFiveThroughTenYears	0.0272
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	26729000	USD
CY2016Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield After Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterTenYears	0.0322
CY2016Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	49488000	USD
CY2016Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield HeldToMaturitySecuritiesDebtMaturitiesAverageYield	0.0293
CY2017Q3	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	27827000	USD
CY2016Q3	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	9641000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	342460000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	21108000	USD
CY2017Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	331000	USD
CY2016Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	48000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	907000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	145000	USD
CY2017Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2016Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	19000	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2017Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	196363000	USD
CY2017Q3	hmst	Pledged Assets Not Separately Reported Securities Pledged For Stateand Local Governments PledgedAssetsNotSeparatelyReportedSecuritiesPledgedForStateandLocalGovernments	37456000	USD
CY2017Q3	hmst	Pledged Financial Instruments Securitiespledgedtosecurederivativesinaliabilityposition PledgedFinancialInstrumentsSecuritiespledgedtosecurederivativesinaliabilityposition	7563000	USD
CY2017Q3	hmst	Pledged Assets Separately Reported Other Securities Pledged PledgedAssetsSeparatelyReportedOtherSecuritiesPledged	6634000	USD
CY2017Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	248016000	USD
CY2017Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	0	USD
CY2017Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2000000.0	USD
CY2016Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1800000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6900000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4300000	USD
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2017Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4338822000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	3849451000	USD
CY2017Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	11458000	USD
CY2016Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	3577000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4350280000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3853028000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	37055000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	34001000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	4313225000	USD
CY2017Q3	hmst	Allowanceforunfundedcommitments Allowanceforunfundedcommitments	1140000	USD
CY2016Q3	hmst	Allowanceforunfundedcommitments Allowanceforunfundedcommitments	1258000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35233000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35233000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3819027000	USD
CY2017Q3	hmst	Percentage Of Portfolio By State And Property Type For Loan Classes PercentageOfPortfolioByStateAndPropertyTypeForLoanClasses	0.10
CY2017Q3	hmst	Percentage Of Portfolio By State And Property Type For Loan Classes PercentageOfPortfolioByStateAndPropertyTypeForLoanClasses	0.10
CY2016Q4	hmst	Percentage Of Portfolio By State And Property Type For Loan Classes PercentageOfPortfolioByStateAndPropertyTypeForLoanClasses	0.10
	us-gaap	Financing Receivable Allowance For Credit Losses Policy For Uncollectible Amounts FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts	Management considers the level of allowance for loan losses to be appropriate to cover credit losses inherent within the loans held for investment portfolio as of <span style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">September 30, 2017</span>. In addition to the allowance for loan losses, the Company maintains a separate allowance for losses related to unfunded loan commitments, and this amount is included in accounts payable and other liabilities on the consolidated statements of financial condition. Collectively, these allowances are referred to as the allowance for credit losses.
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37470000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	34001000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35264000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30659000	USD
CY2017Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	250000	USD
CY2016Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1250000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	750000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	3750000	USD
CY2017Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	475000	USD
CY2016Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-18000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2181000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	824000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35233000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35233000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	37055000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	33975000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	37055000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	33975000	USD
CY2017Q3	hmst	Allowanceforunfundedcommitments Allowanceforunfundedcommitments	1140000	USD
CY2016Q3	hmst	Allowanceforunfundedcommitments Allowanceforunfundedcommitments	1258000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37470000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	273000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	748000	USD
CY2017Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	250000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2016Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	34001000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35233000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35264000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	398000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	380000	USD
CY2016Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1250000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	802000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2983000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	750000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30659000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	796000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1620000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	3750000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35233000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	37392000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	803000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2017Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4245877000	USD
CY2017Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	87399000	USD
CY2017Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	4333276000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	37392000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	803000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38195000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	34885000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	379000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35264000	USD
CY2016Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3740955000	USD
CY2016Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	90508000	USD
CY2016Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	3831463000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	34885000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	379000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35264000	USD
CY2016Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3740955000	USD
CY2016Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	90508000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	81014000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	84762000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	6515000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	6655000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	803000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	87529000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	91417000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	803000	USD
CY2017Q3	hmst	Financing Receivable Modifications Performing Recorded Investment FinancingReceivableModificationsPerformingRecordedInvestment	73700000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	86723000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	92431000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	3785000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	3875000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	379000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	90508000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	96306000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	379000	USD
CY2016Q4	hmst	Financing Receivable Modifications Performing Recorded Investment FinancingReceivableModificationsPerformingRecordedInvestment	73100000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	90116000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	847000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	96962000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	792000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	91499000	USD
CY2016Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1173000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	69371000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2668000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	96991000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2397000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4338822000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	3849451000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4269451000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4338822000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	37185000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	72328000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	3777123000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	3849451000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	40846000	USD
CY2017Q3	hmst	Financing Receivable Recorded Investment Performing FinancingReceivableRecordedInvestmentPerforming	4323699000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	15123000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4338822000	USD
CY2016Q4	hmst	Financing Receivable Recorded Investment Performing FinancingReceivableRecordedInvestmentPerforming	3828909000	USD
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	20542000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	3849451000	USD
CY2017Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	38	loan
CY2017Q3	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	7825000	USD
CY2017Q3	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
CY2016Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	24	loan
CY2016Q3	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	5365000	USD
CY2016Q3	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	123	loan
	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	24442000	USD
	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	77	loan
	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	15685000	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
CY2017Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	8	loan
CY2017Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1743000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	16	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	3395000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	17	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	3904000	USD
CY2016Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	7	loan
CY2017Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1087425000	USD
CY2016Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	964829000	USD
CY2017Q3	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	528679000	USD
CY2016Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	468812000	USD
CY2017Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	308217000	USD
CY2016Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	301361000	USD
CY2017Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1563921000	USD
CY2016Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1603141000	USD
CY2017Q3	us-gaap	Time Deposits TimeDeposits	1182244000	USD
CY2016Q4	us-gaap	Time Deposits TimeDeposits	1091558000	USD
CY2017Q3	us-gaap	Deposits Deposits	4670486000	USD
CY2016Q4	us-gaap	Deposits Deposits	4429701000	USD
CY2017Q3	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	500000	USD
CY2016Q3	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	484000	USD
	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	1480000	USD
	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	1465000	USD
CY2017Q3	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	256000	USD
CY2016Q3	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	262000	USD
	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	761000	USD
	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	771000	USD
CY2017Q3	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	2089000	USD
CY2016Q3	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	2084000	USD
	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	6254000	USD
	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	5057000	USD
CY2017Q3	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	3175000	USD
CY2016Q3	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	2532000	USD
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	9015000	USD
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	6087000	USD
CY2017Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6020000	USD
CY2016Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	5362000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	17510000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	13380000	USD
CY2017Q3	hmst	Time Deposits Weighted Average Interest Rate TimeDepositsWeightedAverageInterestRate	0.0106
CY2016Q4	hmst	Time Deposits Weighted Average Interest Rate TimeDepositsWeightedAverageInterestRate	0.0096
CY2017Q3	us-gaap	Time Deposit Maturities Rolling Year Two TimeDepositMaturitiesRollingYearTwo	267893000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Rolling Year Three TimeDepositMaturitiesRollingYearThree	31851000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Rolling Year Four TimeDepositMaturitiesRollingYearFour	13714000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Next Rolling Twelve Months TimeDepositMaturitiesNextRollingTwelveMonths	854650000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Rolling Year Five TimeDepositMaturitiesRollingYearFive	14051000	USD
CY2017Q3	us-gaap	Time Deposit Maturities After Rolling Year Five TimeDepositMaturitiesAfterRollingYearFive	85000	USD
CY2017Q3	us-gaap	Time Deposits TimeDeposits	1182244000	USD
CY2017Q3	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	467600000	USD
CY2016Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	508600000	USD
CY2017Q3	hmst	Time Deposits Two Hundred And Fifty Thousand Or More TimeDepositsTwoHundredAndFiftyThousandOrMore	92400000	USD
CY2016Q4	hmst	Time Deposits Two Hundred And Fifty Thousand Or More TimeDepositsTwoHundredAndFiftyThousandOrMore	87400000	USD
CY2017Q3	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	324000000.0	USD
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	234400000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	0	USD
CY2017Q3	invest	Derivative Notional Amount DerivativeNotionalAmount	7620783000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	38626000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	24525000	USD
CY2017Q3	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	3993000	USD
CY2017Q3	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-22853000	USD
CY2017Q3	us-gaap	Derivative Assets DerivativeAssets	42619000	USD
CY2017Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	1672000	USD
CY2016Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	6052629000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	59226000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	42399000	USD
CY2016Q4	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	10174000	USD
CY2016Q4	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-37836000	USD
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	69400000	USD
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	4563000	USD
CY2017Q3	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	154000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	1518000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	59226000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	38626000	USD
CY2017Q3	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	3993000	USD
CY2017Q3	us-gaap	Derivative Assets DerivativeAssets	42619000	USD
CY2017Q3	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	0	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	42619000	USD
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	24525000	USD
CY2017Q3	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-22853000	USD
CY2017Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	1672000	USD
CY2016Q4	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	10174000	USD
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	69400000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	0	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	69400000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	42399000	USD
CY2016Q4	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-37836000	USD
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	4563000	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	1820000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	2743000	USD
CY2017Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	851126000	USD
CY2016Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	714559000	USD
CY2017Q3	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	2183697000	USD
CY2016Q3	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	2598154000	USD
	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	5881976000	USD
	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	6432306000	USD
CY2017Q3	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	71010000	USD
CY2016Q3	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	92600000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	197199000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	239493000	USD
CY2017Q3	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	23184386000	USD
CY2016Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	20665819000	USD
CY2017Q3	hmst	Servicing Advances ServicingAdvances	6500000	USD
CY2016Q4	hmst	Servicing Advances ServicingAdvances	7500000	USD
CY2017Q3	hmst	Servicing Fees And Other ServicingFeesAndOther	16480000	USD
CY2016Q3	hmst	Servicing Fees And Other ServicingFeesAndOther	14104000	USD
	hmst	Servicing Fees And Other ServicingFeesAndOther	48636000	USD
	hmst	Servicing Fees And Other ServicingFeesAndOther	39460000	USD
CY2017Q3	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	9167000	USD
CY2016Q3	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	8925000	USD
	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	26596000	USD
	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	23940000	USD
CY2017Q3	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	811000	USD
CY2016Q3	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	661000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	2503000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	1946000	USD
CY2017Q3	hmst	Net Servicing Income NetServicingIncome	6502000	USD
CY2016Q3	hmst	Net Servicing Income NetServicingIncome	4518000	USD
	hmst	Net Servicing Income NetServicingIncome	19537000	USD
	hmst	Net Servicing Income NetServicingIncome	13574000	USD
CY2017Q3	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-1027000	USD
CY2016Q3	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	4915000	USD
	us-gaap	Servicing Fees Net ServicingFeesNet	26285000	USD
	us-gaap	Servicing Fees Net ServicingFeesNet	33330000	USD
CY2017Q3	hmst	Impact On Fair Value Of Twenty Five Basis Points Decrease ImpactOnFairValueOfTwentyFiveBasisPointsDecrease	18776000	USD
	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-5312000	USD
	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-37354000	USD
CY2017Q3	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	1780000	USD
CY2016Q3	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	8077000	USD
	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	6748000	USD
	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	19756000	USD
CY2017Q3	us-gaap	Servicing Fees Net ServicingFeesNet	8282000	USD
CY2016Q3	us-gaap	Servicing Fees Net ServicingFeesNet	12595000	USD
CY2017Q3	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1324
CY2016Q3	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1477
	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1334
	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1567
CY2017Q3	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1028
CY2016Q3	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1019
	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1029
	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1034
CY2017Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	244106000	USD
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P5Y11M15D
CY2017Q3	hmst	Fair Value Input Prepayment Rate FairValueInputPrepaymentRate	0.1309
CY2017Q3	hmst	Impact On Fair Value Of Fifty Basis Points Decrease ImpactOnFairValueOfFiftyBasisPointsDecrease	39646000	USD
CY2017Q3	hmst	Fair Value Input Discount Rate FairValueInputDiscountRate	0.1040
CY2017Q3	hmst	Impact On Fair Value Of Hundred Basis Points Increase ImpactOnFairValueOfHundredBasisPointsIncrease	8442000	USD
CY2017Q3	hmst	Impact On Fair Value Of Two Hundred Basis Points Increase ImpactOnFairValueOfTwoHundredBasisPointsIncrease	16324000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	21600000	USD
CY2016Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	16366000	USD
CY2016Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	19747000	USD
CY2015Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	14651000	USD
CY2017Q3	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	3177000	USD
CY2016Q3	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	1886000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	6722000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4886000	USD
CY2017Q3	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	811000	USD
CY2016Q3	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	661000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	2503000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1946000	USD
CY2017Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	23966000	USD
CY2016Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	17591000	USD
CY2017Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	23966000	USD
CY2016Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	17591000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	824000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3254000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3152000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3078000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2868000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	10790000	USD
CY2017Q3	hmst	Credit Of Unfunded Commitments CreditOfUnfundedCommitments	91500000	USD
CY2016Q4	hmst	Credit Of Unfunded Commitments CreditOfUnfundedCommitments	42600000	USD
CY2017Q3	hmst	Allowanceforunfundedcommitments Allowanceforunfundedcommitments	1100000	USD
CY2016Q4	hmst	Allowanceforunfundedcommitments Allowanceforunfundedcommitments	1300000	USD
CY2017Q3	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	0	claim
	hmst	Fair Value Measurement Transfers Between With Levels Of Hierarchy For Assets And Liabilities Held FairValueMeasurementTransfersBetweenWithLevelsOfHierarchyForAssetsAndLiabilitiesHeld	0	USD
CY2017Q3	us-gaap	Fair Value Inputs Comparability Adjustments FairValueInputsComparabilityAdjustments	0.0710
	us-gaap	Fair Value Inputs Comparability Adjustments FairValueInputsComparabilityAdjustments	1.0000
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	13839000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	27701000	USD
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26883392	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	24811169	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26857006	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	24398683	shares
CY2017Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	205648	shares
CY2016Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	185578	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	220026	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	196665	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27089040	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	24996747	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27077032	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	24595348	shares
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.27
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.29
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.27
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	912	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2017Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	50840000	USD
CY2017Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	250000	USD
CY2017Q3	us-gaap	Noninterest Income NoninterestIncome	83884000	USD
CY2017Q3	us-gaap	Noninterest Expense NoninterestExpense	114697000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	19777000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5938000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	13839000	USD
CY2017Q3	us-gaap	Assets Assets	6796346000	USD
CY2016Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	46802000	USD
CY2016Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1250000	USD
CY2016Q3	us-gaap	Noninterest Income NoninterestIncome	111745000	USD
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	114399000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	42898000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15197000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	27701000	USD
CY2016Q3	us-gaap	Assets Assets	6226601000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	143359000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	750000	USD
	us-gaap	Noninterest Income NoninterestIncome	239353000	USD
	us-gaap	Noninterest Expense NoninterestExpense	332815000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	49147000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15116000	USD
	us-gaap	Net Income Loss NetIncomeLoss	34031000	USD
CY2017Q3	us-gaap	Assets Assets	6796346000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	131975000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	3750000	USD
	us-gaap	Noninterest Income NoninterestIncome	285929000	USD
	us-gaap	Noninterest Expense NoninterestExpense	326783000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	87371000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31514000	USD
	us-gaap	Net Income Loss NetIncomeLoss	55857000	USD
CY2016Q3	us-gaap	Assets Assets	6226601000	USD
CY2017Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	215000	USD
CY2016Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	31000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	577000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	94000	USD
CY2017Q3	us-gaap	Restructuring Charges RestructuringCharges	3900000	USD
CY2017Q2	us-gaap	Restructuring Reserve RestructuringReserve	71000	USD
CY2017Q3	us-gaap	Restructuring Charges RestructuringCharges	3877000	USD
CY2017Q3	us-gaap	Payments For Restructuring PaymentsForRestructuring	1459000	USD
CY2017Q3	us-gaap	Restructuring Reserve RestructuringReserve	2489000	USD

Files In Submission

Name	View Source	Status
0001518715-17-000213-index-headers.html	Edgar Link	pending
0001518715-17-000213-index.html	Edgar Link	pending
0001518715-17-000213.txt	Edgar Link	pending
0001518715-17-000213-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
hmst-20170930.xsd	Edgar Link	pending
hmst-20170930x10q.htm	Edgar Link	pending
hmst-20170930x10q_htm.xml	Edgar Link	completed
hmst-20170930_cal.xml	Edgar Link	unprocessable
hmst-20170930_def.xml	Edgar Link	unprocessable
hmst-20170930_lab.xml	Edgar Link	unprocessable
hmst-20170930_pre.xml	Edgar Link	unprocessable
hmst-ex31110qq32017.htm	Edgar Link	pending
hmst-ex312q32017.htm	Edgar Link	pending
hmst-ex32q32017.htm	Edgar Link	pending
hmstexhibit121q32017ca.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$HMST
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2017 Q4 Form 10-Q Financial Statement

#000151871517000213 Filed on November 03, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HMST HomeStreet Inc Stock $hmst

2017 Q4 Form 10-Q Financial Statement

#000151871517000213 Filed on November 03, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HMST
HomeStreet Inc Stock $hmst