XML 54 R44.htm IDEA: XBRL DOCUMENT v3.24.3

LOANS AND CREDIT QUALITY - Loan Modifications (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Consumer loans | Single family | Significant Payment Delay
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 0	$ 847	$ 0	$ 847
% of Total Class of Financing Receivable	0.00%	0.08%	0.00%	0.08%
Consumer loans | Single family | Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 0	$ 273	$ 0	$ 273
% of Total Class of Financing Receivable	0.00%	0.02%	0.00%	0.02%
Consumer loans | Single family | Significant Payment Delay and Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 1,226	$ 1,167	$ 2,399	$ 2,284
% of Total Class of Financing Receivable	0.11%	0.11%	0.21%	0.21%
Consumer loans | Single family | Interest Rate Reduction, Significant Payment Delay and Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 0	$ 0	$ 0	$ 192
% of Total Class of Financing Receivable	0.00%	0.00%	0.00%	0.02%
Consumer loans | Single family | Significant Payment Delay
Financing Receivable, Modified [Line Items]
Weighted average percent of loan balances capitalized and added to term of loan	2.16%	1.08%	0.80%	0.48%
Consumer loans | Single family | Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate, after modification				5.00%
Weighted average contractual interest rate, before modification				5.25%
Commercial loans, adjusted for credit analysis | Multifamily | Significant Payment Delay
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 1,915	$ 0	$ 1,915	$ 0
% of Total Class of Financing Receivable	0.05%	0.00%	0.05%	0.00%
Commercial loans, adjusted for credit analysis | Non-owner occupied CRE | Significant Payment Delay and Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 0	$ 16,440	$ 0	$ 16,440
% of Total Class of Financing Receivable	0.00%	2.60%	0.00%	2.60%
Commercial loans, adjusted for credit analysis | CRE construction | Significant Payment Delay and Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 0	$ 3,871	$ 0	$ 3,871
% of Total Class of Financing Receivable	0.00%	0.68%	0.00%	0.68%
Commercial loans, adjusted for credit analysis | Commercial business | Significant Payment Delay
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 0	$ 0	$ 90	$ 0
% of Total Class of Financing Receivable	0.00%	0.00%	0.03%	0.00%
Commercial loans, adjusted for credit analysis | Commercial business | Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost Basis at Period End	$ 2	$ 9,663	$ 1,152	$ 10,396
% of Total Class of Financing Receivable	0.00%	2.51%	0.33%	2.70%

X

- Definition

Financing Receivable, Loan Modifications, Weighted Average Percent Of Loan Capitalized

+ References

No definition available.

+ Details

Name:	hmst_FinancingReceivableLoanModificationsWeightedAveragePercentOfLoanCapitalized
Namespace Prefix:	hmst_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Financing Receivable, Weighted Average Interest Rate, After Loan Modification

+ References

No definition available.

+ Details

Name:	hmst_FinancingReceivableWeightedAverageInterestRateAfterLoanModification
Namespace Prefix:	hmst_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Financing Receivable, Weighted Average Interest Rate, Before Loan Modification

+ References

No definition available.

+ Details

Name:	hmst_FinancingReceivableWeightedAverageInterestRateBeforeLoanModification
Namespace Prefix:	hmst_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

Name:	us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-34

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-33

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=hmst_PaymentDeferralAndExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=hmst_ContractualInterestRateReductionPaymentDeferralAndExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_SingleFamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=hmst_CommercialPortfolioSegmentAdjustedForCreditAnalysisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hmst_MultifamilyResidentialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hmst_NonOwnerOccupiedCommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hmst_CommercialRealEstateConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: