XML 59 R47.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

LOANS AND CREDIT QUALITY - Loan Modifications with Subsequent Default, by Loan Modification (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Significant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | $ 1,074 |
Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 7,128 |
Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 20,415 |
Interest Rate Reduction, Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | Non-owner occupied CRE | Significant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | Non-owner occupied CRE | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | Non-owner occupied CRE | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | Non-owner occupied CRE | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 16,240 |
Commercial business | Non-owner occupied CRE | Interest Rate Reduction, Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | CRE construction | Significant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | CRE construction | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | CRE construction | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | CRE construction | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 3,824 |
Commercial business | CRE construction | Interest Rate Reduction, Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default |  |  | 0 |
Commercial business | Commercial business | Significant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | $ 0 |  | 0 |
Commercial business | Commercial business | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 2,708 |  | 7,128 |
Commercial business | Commercial business | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 |  | 0 |
Commercial business | Commercial business | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 |  | 0 |
Commercial business | Commercial business | Interest Rate Reduction, Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 |  | 0 |
Consumer loans | Significant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 833 |  |  |
Consumer loans | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 2,708 |  |  |
Consumer loans | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 |  |  |
Consumer loans | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 |  |  |
Consumer loans | Interest Rate Reduction, Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 |  |  |
Consumer loans | Single family | Significant Payment Delay |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 833 | $ 0 | 1,074 | $ 0
Consumer loans | Single family | Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 |  | 0 | 0
Consumer loans | Single family | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 | 0 | 0 | 0
Consumer loans | Single family | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | 0 | 215 | 351 | 2,245
Consumer loans | Single family | Interest Rate Reduction, Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Loan modifications with subsequent default | $ 0 | $ 469 | $ 0 | $ 1,092

X
- Definition Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default 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 44 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-44 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefault
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_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=us-gaap_ExtendedMaturityAndInterestRateReductionMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialLoanMember
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: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerLoanMember
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: |