$HMST
HomeStreet Inc Stock $hmst

$hmst Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-Q Financial Statement

#000151871518000265 Filed on August 03, 2018

Income Statement

Concept	2018 Q2	2017 Q2
Revenue	$61.82M	$56.74M
YoY Change	8.95%	10.63%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$6.967M	$8.172M
YoY Change	-14.75%	-3.26%
% of Gross Profit
Depreciation & Amortization	$6.000M	$6.100M
YoY Change	-1.64%	27.08%
% of Gross Profit
Operating Expenses	$6.967M	$8.172M
YoY Change	-14.75%	-3.26%
Operating Profit
YoY Change
Interest Expense	$14.07M	$9.874M
YoY Change	42.53%	45.01%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$5.186M	$16.13M
YoY Change	-67.85%	-53.68%
Income Tax	$1.015M	$4.923M
% Of Pretax Income	19.57%	30.52%
Net Earnings	$7.099M	$11.21M
YoY Change	-36.67%	-48.46%
Net Earnings / Revenue	11.48%	19.75%
Basic Earnings Per Share	$0.26	$0.42
Diluted Earnings Per Share	$0.26	$0.41
COMMON SHARES
Basic Shares Outstanding	26.98M shares	26.87M shares
Diluted Shares Outstanding	27.16M shares	27.08M shares

Balance Sheet

Concept	2018 Q2	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.084B	$991.0M
YoY Change	9.36%	1.78%
Cash & Equivalents	$176.2M	$54.45M
Short-Term Investments	$907.5M	$936.5M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$99.16M	$101.8M
YoY Change	-2.6%	49.96%
Goodwill	$22.56M	$22.18M
YoY Change	1.75%	11.74%
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	$7.164B	$6.587B
YoY Change	8.77%	10.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$173.1M	$190.4M
YoY Change	-9.09%	37.67%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$30.00M
YoY Change
Long-Term Debt Due	$60.40M
YoY Change
Total Short-Term Liabilities	$233.5M	$190.4M
YoY Change	22.64%	37.67%
LONG-TERM LIABILITIES
Long-Term Debt	$65.00M	$125.2M
YoY Change	-48.08%	0.08%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$65.00M	$125.2M
YoY Change	-48.08%	0.08%
TOTAL LIABILITIES
Total Short-Term Liabilities	$233.5M	$190.4M
Total Long-Term Liabilities	$65.00M	$125.2M
Total Liabilities	$6.457B	$5.931B
YoY Change	8.88%	10.2%
SHAREHOLDERS EQUITY
Retained Earnings	$384.9M	$323.2M
YoY Change	19.09%	18.38%
Common Stock	$511.0K	$511.0K
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$706.5M	$655.8M
YoY Change
Total Liabilities & Shareholders Equity	$7.164B	$6.587B
YoY Change	8.77%	10.86%

Cashflow Statement

Concept	2018 Q2	2017 Q2
OPERATING ACTIVITIES
Net Income	$7.099M	$11.21M
YoY Change	-36.67%	-48.46%
Depreciation, Depletion And Amortization	$6.000M	$6.100M
YoY Change	-1.64%	27.08%
Cash From Operating Activities	-$71.50M	-$157.4M
YoY Change	-54.57%	149.84%
INVESTING ACTIVITIES
Capital Expenditures	-$2.300M	-$6.600M
YoY Change	-65.15%	24.53%
Acquisitions
YoY Change
Other Investing Activities	-$43.80M	$100.0K
YoY Change	-43900.0%	-100.02%
Cash From Investing Activities	-$46.20M	-$6.600M
YoY Change	600.0%	-98.41%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	226.9M	156.9M
YoY Change	44.61%	-67.12%
NET CHANGE
Cash From Operating Activities	-71.50M	-157.4M
Cash From Investing Activities	-46.20M	-6.600M
Cash From Financing Activities	226.9M	156.9M
Net Change In Cash	109.2M	-7.100M
YoY Change	-1638.03%	491.67%
FREE CASH FLOW
Cash From Operating Activities	-$71.50M	-$157.4M
Capital Expenditures	-$2.300M	-$6.600M
Free Cash Flow	-$69.20M	-$150.8M
YoY Change	-54.11%	161.35%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-06-30
	dei	Entity Central Index Key EntityCentralIndexKey	0001518715
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
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	dei	Document Type DocumentType	10-Q
	dei	Entity Registrant Name EntityRegistrantName	HOMESTREET, INC.
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	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1007000	USD
CY2018Q2	us-gaap	Legal Fees LegalFees	839000	USD
CY2017Q2	us-gaap	Legal Fees LegalFees	150000	USD
	us-gaap	Legal Fees LegalFees	1569000	USD
	us-gaap	Legal Fees LegalFees	310000	USD
CY2018Q2	us-gaap	Professional Fees ProfessionalFees	758000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2008000	USD
CY2017Q2	us-gaap	Professional Fees ProfessionalFees	771000	USD
	us-gaap	Professional Fees ProfessionalFees	1635000	USD
	us-gaap	Professional Fees ProfessionalFees	1829000	USD
CY2018Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1079000	USD
CY2017Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	697000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1521000	USD
CY2018Q2	us-gaap	Occupancy Net OccupancyNet	14953000	USD
CY2017Q2	us-gaap	Occupancy Net OccupancyNet	8880000	USD
	us-gaap	Occupancy Net OccupancyNet	23133000	USD
	us-gaap	Occupancy Net OccupancyNet	17089000	USD
CY2018Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	8693000	USD
CY2017Q2	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	8172000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	17158000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	15820000	USD
CY2018Q2	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	2000	USD
CY2017Q2	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	-181000	USD
	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	-91000	USD
	hmst	Netcostincomefromoperationsandsaleofotherrealestateowned Netcostincomefromoperationsandsaleofotherrealestateowned	-156000	USD
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	110565000	USD
CY2017Q2	us-gaap	Noninterest Expense NoninterestExpense	111244000	USD
	us-gaap	Noninterest Expense NoninterestExpense	211334000	USD
	us-gaap	Noninterest Expense NoninterestExpense	218118000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8827000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16132000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16599000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	29370000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1728000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4923000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3634000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9178000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	7099000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	11209000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12965000	USD
	us-gaap	Net Income Loss NetIncomeLoss	20192000	USD
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.75
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.75
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27071028	shares
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	7099000	USD
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26976892	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26866230	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26952178	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26843813	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27156329	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27084608	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27157664	shares
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	11209000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12965000	USD
	us-gaap	Net Income Loss NetIncomeLoss	20192000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2412000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	3431000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-12412000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	5361000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	12000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	358000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	188000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	362000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2424000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3073000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12600000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4999000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4675000	USD
CY2017Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	14282000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	365000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	25191000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	629284000	USD
	us-gaap	Net Income Loss NetIncomeLoss	20192000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	1211000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	155000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4999000	USD
CY2017Q2	us-gaap	Stockholders Equity StockholdersEquity	655841000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	704380000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12965000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	1460000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	254000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12600000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	706459000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12965000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	10911000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1750000	USD
	us-gaap	Net Income Loss NetIncomeLoss	20192000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	12104000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	500000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	44297000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	113742000	USD
	hmst	Gains Losses On Loans Held For Investment GainsLossesOnLoansHeldForInvestment	-31000	USD
	hmst	Gains Losses On Loans Held For Investment GainsLossesOnLoansHeldForInvestment	1203000	USD
	hmst	Increase Decreasein Mortgage Servicing Rights IncreaseDecreaseinMortgageServicingRights	33369000	USD
	hmst	Increase Decreasein Mortgage Servicing Rights IncreaseDecreaseinMortgageServicingRights	35211000	USD
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-24878000	USD
	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	21722000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	238000	USD
	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	557000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	-628000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	297000	USD
	hmst	Netfairvalueadjustmentgainlossandprovisionon Other Real Estate Owned NetfairvalueadjustmentgainlossandprovisiononOtherRealEstateOwned	92000	USD
	hmst	Netfairvalueadjustmentgainlossandprovisionon Other Real Estate Owned NetfairvalueadjustmentgainlossandprovisiononOtherRealEstateOwned	356000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-302000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-106000	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-5802000	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-502000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	46000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-7510000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1702000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1362000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	3248078000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	3665396000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	3345695000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	3769126000	USD
	hmst	Increase Decrease In Accounts Receivable And Other Assets IncreaseDecreaseInAccountsReceivableAndOtherAssets	-3437000	USD
	hmst	Increase Decrease In Accounts Receivable And Other Assets IncreaseDecreaseInAccountsReceivableAndOtherAssets	7198000	USD
	hmst	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	-2347000	USD
	hmst	Increase Decrease In Accounts Payable And Other Liabilities IncreaseDecreaseInAccountsPayableAndOtherLiabilities	17371000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	35765000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-9400000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	97842000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	246435000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	22232000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	314633000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	52857000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	50043000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	459000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	2170000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	230527000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	23780000	USD
	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	65263000	USD
	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	0	USD
	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	0	USD
	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	565000	USD
	hmst	Capital Expenditures Related To Other Real Estate Owned CapitalExpendituresRelatedToOtherRealEstateOwned	0	USD
	hmst	Capital Expenditures Related To Other Real Estate Owned CapitalExpendituresRelatedToOtherRealEstateOwned	57000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	617670000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	420530000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	318132000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	5637500000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5926000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28789000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-350100000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-305750000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	359251000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	4497700000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	5608000000	USD
	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	4498700000	USD
	hmst	Proceedsfrom Federal Funds Purchasedand Securities Soldunder Agreementsto Repurchase ProceedsfromFederalFundsPurchasedandSecuritiesSoldunderAgreementstoRepurchase	796000000	USD
	hmst	Proceedsfrom Federal Funds Purchasedand Securities Soldunder Agreementsto Repurchase ProceedsfromFederalFundsPurchasedandSecuritiesSoldunderAgreementstoRepurchase	326618000	USD
	hmst	Payments For Securities Sold Under Agreements To Repurchase PaymentsForSecuritiesSoldUnderAgreementsToRepurchase	796000000	USD
	hmst	Payments For Securities Sold Under Agreements To Repurchase PaymentsForSecuritiesSoldUnderAgreementsToRepurchase	326618000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	30000000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-98621000	USD
	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-91939000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	100139000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	93362000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	11000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	11000	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	0	USD
	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-46000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	417244000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	315674000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	102909000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	524000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	73909000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	56364000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	176818000	USD
CY2017Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	56888000	USD
CY2018Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	600000	USD
CY2017Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2441000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	176218000	USD
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54447000	USD
	us-gaap	Interest Paid InterestPaid	28825000	USD
	us-gaap	Interest Paid InterestPaid	19757000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-112000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-23382000	USD
	hmst	Loans Held For Investment Foreclosed And Transferred To Other Real Estate Owned LoansHeldForInvestmentForeclosedAndTransferredToOtherRealEstateOwned	455000	USD
	hmst	Loans Held For Investment Foreclosed And Transferred To Other Real Estate Owned LoansHeldForInvestmentForeclosedAndTransferredToOtherRealEstateOwned	1125000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	252567000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	113278000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	10480000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	29809000	USD
	hmst	Loans Recognized With Right To Repurchase LoansRecognizedWithRightToRepurchase	1992000	USD
	hmst	Loans Recognized With Right To Repurchase LoansRecognizedWithRightToRepurchase	-2358000	USD
	hmst	Receivablefromsaleofmortgageservicingrights Receivablefromsaleofmortgageservicingrights	3457000	USD
	hmst	Receivablefromsaleofmortgageservicingrights Receivablefromsaleofmortgageservicingrights	0	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	856311000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	988000	USD
CY2018Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	27877000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	829422000	USD
CY2018Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	78035000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	214000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1467000	USD
CY2018Q2	hmst	Available For Sale Securities Debt Maturities After Five Through Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsWeightedAverageYield	0.0257
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	673045000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	76782000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	857204000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3069000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14005000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	846268000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	58036000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	449000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	357000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	58128000	USD
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	8043000	USD
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	339426000	USD
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	19834000	USD
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	399614000	USD
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	27877000	USD
CY2018Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	739040000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	988000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	50166000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	479000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	13299000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	1467000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	63465000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2434000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	265576000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	11571000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	414529000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	14005000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	680105000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	177000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	24186000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	180000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	13917000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	357000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	38103000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	3279000	USD
CY2018Q2	hmst	Available For Sale Securities Debt Maturities Within One Year Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearWeightedAverageYield	0.0187
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	43703000	USD
CY2018Q2	hmst	Available For Sale Securities Debt Maturities After One Through Five Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsWeightedAverageYield	0.0229
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	109395000	USD
CY2018Q2	hmst	Available For Sale Securities Debt Maturities After Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsWeightedAverageYield	0.0269
CY2018Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	829422000	USD
CY2018Q2	hmst	Available For Sale Securities Debt Maturities Without Single Maturity Date Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateWeightedAverageYield	0.0265
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2018Q2	hmst	Held To Maturity Securities Debt Maturities Average Yield Within One Year HeldToMaturitySecuritiesDebtMaturitiesAverageYieldWithinOneYear	0
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	25169000	USD
CY2018Q2	hmst	Held To Maturity Securities Debt Maturities Average Yield After One Through Five Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterOneThroughFiveYears	0.0281
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	11129000	USD
CY2018Q2	hmst	Held To Maturity Securities Debt Maturities Average Yield After Five Through Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterFiveThroughTenYears	0.0241
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	40484000	USD
CY2018Q2	hmst	Held To Maturity Securities Debt Maturities Average Yield After Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterTenYears	0.0302
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	576000	USD
CY2018Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	22000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	76782000	USD
CY2018Q2	hmst	Held To Maturity Securities Debt Maturities Average Yield HeldToMaturitySecuritiesDebtMaturitiesAverageYield	0.0286
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2686000	USD
CY2017Q4	hmst	Available For Sale Securities Debt Maturities Within One Year Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearWeightedAverageYield	0.0190
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	58889000	USD
CY2017Q4	hmst	Available For Sale Securities Debt Maturities After One Through Five Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsWeightedAverageYield	0.0258
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	105530000	USD
CY2017Q4	hmst	Available For Sale Securities Debt Maturities After Five Through Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsWeightedAverageYield	0.0267
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	679163000	USD
CY2017Q4	hmst	Available For Sale Securities Debt Maturities After Ten Years Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsWeightedAverageYield	0.0290
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	846268000	USD
CY2017Q4	hmst	Available For Sale Securities Debt Maturities Without Single Maturity Date Weighted Average Yield AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateWeightedAverageYield	0.0285
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	0	USD
CY2017Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield Within One Year HeldToMaturitySecuritiesDebtMaturitiesAverageYieldWithinOneYear	0
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	8423000	USD
CY2017Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield After One Through Five Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterOneThroughFiveYears	0.0241
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	18982000	USD
CY2017Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield After Five Through Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterFiveThroughTenYears	0.0268
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	30723000	USD
CY2017Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield After Ten Years HeldToMaturitySecuritiesDebtMaturitiesAverageYieldAfterTenYears	0.0310
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	58128000	USD
CY2017Q4	hmst	Held To Maturity Securities Debt Maturities Average Yield HeldToMaturitySecuritiesDebtMaturitiesAverageYield	0.0286
CY2018Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5357000	USD
CY2017Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	312247000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	22232000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	314633000	USD
CY2018Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	38000	USD
CY2017Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	551000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	261000	USD
CY2017Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	23000	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	19000	USD
CY2018Q2	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	85339000	USD
CY2017Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	425866000	USD
CY2018Q2	hmst	Pledged Assets Not Separately Reported Securities Pledged For Stateand Local Governments PledgedAssetsNotSeparatelyReportedSecuritiesPledgedForStateandLocalGovernments	134420000	USD
CY2017Q4	hmst	Pledged Assets Not Separately Reported Securities Pledged For Stateand Local Governments PledgedAssetsNotSeparatelyReportedSecuritiesPledgedForStateandLocalGovernments	118828000	USD
CY2018Q2	hmst	Pledged Financial Instruments Securitiespledgedtosecurederivativesinaliabilityposition PledgedFinancialInstrumentsSecuritiespledgedtosecurederivativesinaliabilityposition	10615000	USD
CY2017Q4	hmst	Pledged Financial Instruments Securitiespledgedtosecurederivativesinaliabilityposition PledgedFinancialInstrumentsSecuritiespledgedtosecurederivativesinaliabilityposition	7308000	USD
CY2018Q2	hmst	Pledged Assets Separately Reported Other Securities Pledged PledgedAssetsSeparatelyReportedOtherSecuritiesPledged	5403000	USD
CY2017Q4	hmst	Pledged Assets Separately Reported Other Securities Pledged PledgedAssetsSeparatelyReportedOtherSecuritiesPledged	6089000	USD
CY2018Q2	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	235777000	USD
CY2017Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	558091000	USD
CY2018Q2	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	0	USD
CY2018Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2200000	USD
CY2017Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2400000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4500000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4900000	USD
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2018Q2	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4903613000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4529627000	USD
CY2018Q2	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	19177000	USD
CY2017Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	14686000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4922790000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4544313000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	39480000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	37847000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	4883310000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	4506466000	USD
CY2018Q2	hmst	Percentage Of Portfolio By State And Property Type For Loan Classes PercentageOfPortfolioByStateAndPropertyTypeForLoanClasses	0.10
CY2017Q4	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;">June 30, 2018</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 our consolidated statements of financial condition. Collectively, these allowances are referred to as the allowance for credit losses.
CY2018Q2	hmst	Allowance For Unfunded Commitments AllowanceForUnfundedCommitments	1500000	USD
CY2017Q2	hmst	Allowance For Unfunded Commitments AllowanceForUnfundedCommitments	1300000	USD
CY2018Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40446000	USD
CY2017Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	36042000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	39116000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35264000	USD
CY2018Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1000000	USD
CY2017Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	500000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1750000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	500000	USD
CY2018Q2	hmst	Financing Receivable Allowancefor Credit Losses Writedowns Recovery FinancingReceivableAllowanceforCreditLossesWritedownsRecovery	464000	USD
CY2017Q2	hmst	Financing Receivable Allowancefor Credit Losses Writedowns Recovery FinancingReceivableAllowanceforCreditLossesWritedownsRecovery	-928000	USD
	hmst	Financing Receivable Allowancefor Credit Losses Writedowns Recovery FinancingReceivableAllowanceforCreditLossesWritedownsRecovery	-116000	USD
	hmst	Financing Receivable Allowancefor Credit Losses Writedowns Recovery FinancingReceivableAllowanceforCreditLossesWritedownsRecovery	-1706000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40982000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37470000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40982000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37470000	USD
CY2018Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40446000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	797000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	333000	USD
CY2018Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1000000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40982000	USD
CY2017Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	36042000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	204000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1132000	USD
CY2017Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	500000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37470000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	39116000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	895000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1011000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1750000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2235000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	500000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37470000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	40700000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	282000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40982000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40982000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35264000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	529000	USD
CY2018Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4825891000	USD
CY2018Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	73544000	USD
CY2018Q2	us-gaap	Notes Receivable Gross NotesReceivableGross	4899435000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	40700000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	282000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	40982000	USD
CY2018Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4825891000	USD
CY2018Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	73544000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	38827000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	289000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	39116000	USD
CY2017Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4440535000	USD
CY2017Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	83615000	USD
CY2017Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	4524150000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	38827000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	289000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	39116000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	70643000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	72481000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	2901000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	3378000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	282000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	73544000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	75859000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	282000	USD
CY2018Q2	hmst	Financing Receivable Modifications Performing Recorded Investment FinancingReceivableModificationsPerformingRecordedInvestment	65500000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	78696000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	80904000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	5150000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	83846000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	5288000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	289000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	86192000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	289000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4903613000	USD
CY2017Q4	hmst	Financing Receivable Modifications Performing Recorded Investment FinancingReceivableModificationsPerformingRecordedInvestment	69600000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	75333000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	736000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	93979000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	914000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	78170000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1492000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	92822000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1821000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4529627000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	65272000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4838341000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4903613000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	40967000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	68930000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4460697000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4529627000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	37171000	USD
CY2018Q2	hmst	Financing Receivable Recorded Investment Performing FinancingReceivableRecordedInvestmentPerforming	4893983000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	9630000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4903613000	USD
CY2017Q4	hmst	Financing Receivable Recorded Investment Performing FinancingReceivableRecordedInvestmentPerforming	4514586000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	15041000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	4529627000	USD
CY2018Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	44	loan
CY2018Q2	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	9518000	USD
CY2018Q2	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
CY2017Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	45	loan
CY2017Q2	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	8825000	USD
CY2017Q2	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	79	loan
	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	16659000	USD
	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	85	loan
	hmst	Financing Receivable Modifications Recorded Investmentat Period End FinancingReceivableModificationsRecordedInvestmentatPeriodEnd	16617000	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
CY2018Q2	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	6	loan
CY2018Q2	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1395000	USD
CY2017Q2	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	7	loan
CY2017Q2	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1382000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	12	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	2279000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	8	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1652000	USD
CY2018Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1021790000	USD
CY2017Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	980902000	USD
CY2018Q2	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	486104000	USD
CY2017Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	461349000	USD
CY2018Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	283969000	USD
CY2017Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	293858000	USD
CY2018Q2	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1932340000	USD
CY2017Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1834154000	USD
CY2018Q2	us-gaap	Time Deposits TimeDeposits	1396082000	USD
CY2017Q4	us-gaap	Time Deposits TimeDeposits	1190689000	USD
CY2018Q2	us-gaap	Deposits Deposits	5120285000	USD
CY2017Q4	us-gaap	Deposits Deposits	4760952000	USD
CY2018Q2	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	430000	USD
CY2017Q2	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	503000	USD
	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	870000	USD
	us-gaap	Interest Expense Negotiable Order Of Withdrawal Now Deposits InterestExpenseNegotiableOrderOfWithdrawalNOWDeposits	980000	USD
CY2018Q2	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	217000	USD
CY2017Q2	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	253000	USD
	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	446000	USD
	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	505000	USD
CY2018Q2	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	4064000	USD
CY2017Q2	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	1935000	USD
	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	7523000	USD
	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	4165000	USD
CY2018Q2	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	4851000	USD
CY2017Q2	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	3176000	USD
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	8511000	USD
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	5840000	USD
CY2018Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	9562000	USD
CY2017Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	5867000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	17350000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	11490000	USD
CY2018Q2	hmst	Time Deposits Weighted Average Interest Rate TimeDepositsWeightedAverageInterestRate	0.0150
CY2017Q4	hmst	Time Deposits Weighted Average Interest Rate TimeDepositsWeightedAverageInterestRate	0.0112
CY2018Q2	us-gaap	Time Deposit Maturities Next Rolling Twelve Months TimeDepositMaturitiesNextRollingTwelveMonths	1114257000	USD
CY2018Q2	us-gaap	Time Deposit Maturities Rolling Year Two TimeDepositMaturitiesRollingYearTwo	207361000	USD
CY2018Q2	us-gaap	Time Deposit Maturities Rolling Year Three TimeDepositMaturitiesRollingYearThree	45187000	USD
CY2018Q2	us-gaap	Time Deposit Maturities Rolling Year Four TimeDepositMaturitiesRollingYearFour	10340000	USD
CY2018Q2	us-gaap	Time Deposit Maturities Rolling Year Five TimeDepositMaturitiesRollingYearFive	18660000	USD
CY2018Q2	us-gaap	Time Deposit Maturities After Rolling Year Five TimeDepositMaturitiesAfterRollingYearFive	277000	USD
CY2018Q2	us-gaap	Time Deposits TimeDeposits	1396082000	USD
CY2018Q2	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	86300000	USD
CY2017Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	88800000	USD
CY2018Q2	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	607800000	USD
CY2017Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	345500000	USD
CY2018Q2	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	0	USD
CY2018Q2	invest	Derivative Notional Amount DerivativeNotionalAmount	8028625000	USD
CY2018Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	28962000	USD
CY2018Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	38303000	USD
CY2018Q2	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	-8771000	USD
CY2018Q2	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-33928000	USD
CY2018Q2	us-gaap	Derivative Assets DerivativeAssets	20191000	USD
CY2018Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	4375000	USD
CY2017Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	7436391000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	26432000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	25225000	USD
CY2017Q4	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	-6646000	USD
CY2017Q4	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-23505000	USD
CY2017Q4	us-gaap	Derivative Assets DerivativeAssets	19786000	USD
CY2017Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1720000	USD
CY2018Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	28962000	USD
CY2018Q2	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	-8771000	USD
CY2018Q2	us-gaap	Derivative Assets DerivativeAssets	20191000	USD
CY2018Q2	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	0	USD
CY2018Q2	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	20191000	USD
CY2018Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	38303000	USD
CY2018Q2	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-33928000	USD
CY2018Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	4375000	USD
CY2018Q2	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	3766000	USD
CY2018Q2	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	609000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	26432000	USD
CY2017Q4	hmst	Derivative Asset Fair Value Amount Offset Against Other Derivatives DerivativeAssetFairValueAmountOffsetAgainstOtherDerivatives	-6646000	USD
CY2017Q4	us-gaap	Derivative Assets DerivativeAssets	19786000	USD
CY2017Q4	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	0	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	19786000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	25225000	USD
CY2017Q4	hmst	Derivative Liability Fair Value Amount Offset Against Other Derivatives DerivativeLiabilityFairValueAmountOffsetAgainstOtherDerivatives	-23505000	USD
CY2017Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1720000	USD
CY2017Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	1213000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	507000	USD
CY2018Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	568514000	USD
CY2017Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	610902000	USD
CY2018Q2	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	1941241000	USD
CY2017Q2	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	1868507000	USD
	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	3528633000	USD
	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	3698279000	USD
CY2018Q2	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	57049000	USD
CY2017Q2	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	65908000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	105368000	USD
	hmst	Net Gains Losses On Mortgage Loan Origination And Sales Activities NetGainsLossesOnMortgageLoanOriginationAndSalesActivities	126189000	USD
CY2018Q2	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	20513188000	USD
CY2017Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	24022343000	USD
CY2018Q2	hmst	Servicing Advances ServicingAdvances	2600000	USD
CY2017Q4	hmst	Servicing Advances ServicingAdvances	5300000	USD
CY2018Q2	hmst	Servicing Fees And Other ServicingFeesAndOther	18385000	USD
CY2017Q2	hmst	Servicing Fees And Other ServicingFeesAndOther	15977000	USD
	hmst	Servicing Fees And Other ServicingFeesAndOther	36836000	USD
	hmst	Servicing Fees And Other ServicingFeesAndOther	32156000	USD
CY2018Q2	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	9400000	USD
CY2017Q2	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	8909000	USD
	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	18270000	USD
	hmst	Changes In Fair Value Of Mortgage Servicing Rights Due To Modeled Amortization ChangesInFairValueOfMortgageServicingRightsDueToModeledAmortization	17429000	USD
CY2018Q2	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	1064000	USD
CY2017Q2	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	761000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	2113000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	1692000	USD
CY2018Q2	hmst	Net Servicing Income NetServicingIncome	7921000	USD
CY2017Q2	hmst	Net Servicing Income NetServicingIncome	6307000	USD
	hmst	Net Servicing Income NetServicingIncome	16453000	USD
	hmst	Net Servicing Income NetServicingIncome	13035000	USD
CY2018Q2	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	11299000	USD
CY2017Q2	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-6417000	USD
	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	41318000	USD
	us-gaap	Servicing Asset At Fair Value Other Changes In Fair Value ServicingAssetAtFairValueOtherChangesInFairValue	-4285000	USD
CY2018Q2	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	-889000	USD
CY2017Q2	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	2457000	USD
	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	-1847000	USD
	hmst	Mortgage Servicing Rights Risk Management MortgageServicingRightsRiskManagement	4968000	USD
CY2018Q2	us-gaap	Servicing Fees Net ServicingFeesNet	7032000	USD
CY2017Q2	us-gaap	Servicing Fees Net ServicingFeesNet	8764000	USD
	us-gaap	Servicing Fees Net ServicingFeesNet	14606000	USD
	us-gaap	Servicing Fees Net ServicingFeesNet	18003000	USD
CY2018Q2	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1569
CY2017Q2	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1475
	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1472
	us-gaap	Fair Value Inputs Prepayment Rate FairValueInputsPrepaymentRate	0.1339
CY2018Q2	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1029
CY2017Q2	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1030
	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1026
	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.1029
CY2018Q2	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	245744000	USD
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Life1 ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageLife1	P6Y6M29D
CY2018Q2	hmst	Fair Value Input Prepayment Rate FairValueInputPrepaymentRate	0.1118
CY2018Q2	hmst	Impact On Fair Value Of Twenty Five Basis Points Decrease ImpactOnFairValueOfTwentyFiveBasisPointsDecrease	13929000	USD
CY2018Q2	hmst	Impact On Fair Value Of Fifty Basis Points Decrease ImpactOnFairValueOfFiftyBasisPointsDecrease	29665000	USD
CY2018Q2	hmst	Fair Value Input Discount Rate FairValueInputDiscountRate	0.1040
CY2018Q2	hmst	Impact On Fair Value Of Hundred Basis Points Increase ImpactOnFairValueOfHundredBasisPointsIncrease	8988000	USD
CY2018Q2	hmst	Impact On Fair Value Of Two Hundred Basis Points Increase ImpactOnFairValueOfTwoHundredBasisPointsIncrease	17353000	USD
CY2017Q2	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	0	USD
	us-gaap	Servicing Asset At Fair Value Disposals ServicingAssetAtFairValueDisposals	0	USD
CY2017Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	21424000	USD
CY2017Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26093000	USD
CY2016Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	19747000	USD
CY2018Q2	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	1409000	USD
CY2018Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26042000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	937000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2343000	USD
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	3545000	USD
CY2018Q2	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	991000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	761000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1976000	USD
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1692000	USD
CY2018Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26460000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	21600000	USD
CY2018Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26460000	USD
CY2017Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	21600000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1845000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3626000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3557000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3357000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3046000	USD
CY2018Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	11029000	USD
CY2018Q2	hmst	Credit Of Unfunded Commitments CreditOfUnfundedCommitments	56100000	USD
CY2017Q4	hmst	Credit Of Unfunded Commitments CreditOfUnfundedCommitments	56900000	USD
CY2018Q2	hmst	Allowance For Unfunded Commitments AllowanceForUnfundedCommitments	1500000	USD
CY2017Q4	hmst	Allowance For Unfunded Commitments AllowanceForUnfundedCommitments	1300000	USD
CY2018Q2	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
	us-gaap	Fair Value Inputs Comparability Adjustments FairValueInputsComparabilityAdjustments	0.080
CY2018Q2	us-gaap	Fair Value Inputs Comparability Adjustments FairValueInputsComparabilityAdjustments	0
	us-gaap	Fair Value Inputs Comparability Adjustments FairValueInputsComparabilityAdjustments	0.0710
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	7099000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	11209000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12965000	USD
	us-gaap	Net Income Loss NetIncomeLoss	20192000	USD
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26976892	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26866230	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26952178	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26843813	shares
CY2018Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	179437	shares
CY2017Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	218378	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	205486	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	227215	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27156329	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27084608	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27157664	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27071028	shares
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.75
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6417	shares
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2018Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	51003000	USD
CY2018Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1000000	USD
CY2018Q2	us-gaap	Noninterest Income NoninterestIncome	69389000	USD
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	110565000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8827000	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.75
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9259	shares
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1728000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	7099000	USD
CY2018Q2	us-gaap	Assets Assets	7163877000	USD
CY2017Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	46868000	USD
CY2017Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	500000	USD
CY2017Q2	us-gaap	Noninterest Income NoninterestIncome	81008000	USD
CY2017Q2	us-gaap	Noninterest Expense NoninterestExpense	111244000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16132000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4923000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	11209000	USD
CY2017Q2	us-gaap	Assets Assets	6586557000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	99463000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1750000	USD
	us-gaap	Noninterest Income NoninterestIncome	130220000	USD
	us-gaap	Noninterest Expense NoninterestExpense	211334000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16599000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3634000	USD
	us-gaap	Net Income Loss NetIncomeLoss	12965000	USD
CY2018Q2	us-gaap	Assets Assets	7163877000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	92519000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	500000	USD
	us-gaap	Noninterest Income NoninterestIncome	155469000	USD
	us-gaap	Noninterest Expense NoninterestExpense	218118000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	29370000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9178000	USD
	us-gaap	Net Income Loss NetIncomeLoss	20192000	USD
CY2017Q2	us-gaap	Assets Assets	6586557000	USD
CY2018Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	12000	USD
CY2017Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	358000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	188000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	362000	USD
	hmst	Revenue Recognition Percentage Of Revenue In Scope With Accounting Standard Update201409 RevenueRecognitionPercentageOfRevenueInScopeWithAccountingStandardUpdate201409	0.027
CY2018Q2	us-gaap	Restructuring Charges RestructuringCharges	6900000	USD
CY2018Q1	us-gaap	Restructuring Reserve RestructuringReserve	720000	USD
CY2017Q1	us-gaap	Restructuring Reserve RestructuringReserve	0	USD
CY2018Q2	us-gaap	Restructuring Charges RestructuringCharges	6893000	USD
CY2017Q2	us-gaap	Restructuring Charges RestructuringCharges	104000	USD
CY2018Q2	us-gaap	Payments For Restructuring PaymentsForRestructuring	2965000	USD
CY2017Q2	us-gaap	Payments For Restructuring PaymentsForRestructuring	33000	USD
CY2018Q2	us-gaap	Restructuring Reserve RestructuringReserve	4648000	USD
CY2017Q2	us-gaap	Restructuring Reserve RestructuringReserve	71000	USD
CY2017Q4	us-gaap	Restructuring Reserve RestructuringReserve	1386000	USD
CY2016Q4	us-gaap	Restructuring Reserve RestructuringReserve	0	USD
	us-gaap	Restructuring Charges RestructuringCharges	6602000	USD
	us-gaap	Restructuring Charges RestructuringCharges	104000	USD
	us-gaap	Payments For Restructuring PaymentsForRestructuring	3340000	USD
	us-gaap	Payments For Restructuring PaymentsForRestructuring	33000	USD
CY2018Q2	us-gaap	Restructuring Reserve RestructuringReserve	4648000	USD
CY2017Q2	us-gaap	Restructuring Reserve RestructuringReserve	71000	USD

Files In Submission

Name	View Source	Status
0001518715-18-000265-index-headers.html	Edgar Link	pending
0001518715-18-000265-index.html	Edgar Link	pending
0001518715-18-000265.txt	Edgar Link	pending
0001518715-18-000265-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
hmst-20180630.xsd	Edgar Link	pending
hmst-20180630x10q.htm	Edgar Link	pending
hmst-20180630x10q_htm.xml	Edgar Link	completed
hmst-20180630_cal.xml	Edgar Link	unprocessable
hmst-20180630_def.xml	Edgar Link	unprocessable
hmst-20180630_lab.xml	Edgar Link	unprocessable
hmst-20180630_pre.xml	Edgar Link	unprocessable
hmst-ex31110qq22018.htm	Edgar Link	pending
hmst-ex31210qq22018.htm	Edgar Link	pending
hmst-ex3210qq22018.htm	Edgar Link	pending
hmst-exhibit101xconfor.htm	Edgar Link	pending
hmstexhibit121q22018ca.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
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2018 Q2 Form 10-Q Financial Statement

#000151871518000265 Filed on August 03, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HMST HomeStreet Inc Stock $hmst

2018 Q2 Form 10-Q Financial Statement

#000151871518000265 Filed on August 03, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HMST
HomeStreet Inc Stock $hmst