XML 84 R70.htm IDEA: XBRL DOCUMENT
v3.22.4

LOANS AND CREDIT QUALITY - Loan Modifications with Subsequent Default, by Loan Modification (Details) - Consumer Loan - Single Family $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Significant Payment Delay |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Loan modifications with subsequent default | $ 340
Term Extension |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Loan modifications with subsequent default | 0
Interest Rate Reduction and Term Extension |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Loan modifications with subsequent default | 0
Significant Payment Delay and Term Extension |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Loan modifications with subsequent default | 1,198
Interest Rate Reduction, Significant Payment Delay and Term Extension |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Loan modifications with subsequent default | $ 764

X
- Definition Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default + References No definition available. + Details
Name: | hmst_FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefault
Namespace Prefix: | hmst_
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 No definition available. + 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_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: |

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_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: |