XML 54 R45.htm IDEA: XBRL DOCUMENT
v3.22.2.2

LOANS AND CREDIT QUALITY - Loan Modifications, Financial Effect (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2022
Commercial loans, adjusted for credit analysis | Commercial business | Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average contractual interest rate, before modification | 5.72% | 5.72%
Weighted average contractual interest rate, after modification | 4.00% | 4.00%
Commercial loans, adjusted for credit analysis | Commercial business | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average time added to life of loans (in years) |  | 9 months 18 days
Consumer loans | Single family | Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average contractual interest rate, before modification | 4.38% | 4.35%
Weighted average contractual interest rate, after modification | 4.13% | 3.39%
Consumer loans | Single family | Significant Payment Delay |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average percent of loan balances capitalized and added to term of loan | 1.83% | 0.22%
Consumer loans | Single family | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average time added to life of loans (in years) | 3 years 7 months 6 days | 4 years 4 months 24 days
Consumer loans | Home equity and other | Significant Payment Delay |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average percent of loan balances capitalized and added to term of loan |  | 3.44%
Consumer loans | Home equity and other | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average time added to life of loans (in years) |  | 16 years 1 month 6 days

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-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Modified, Weighted Average Term Increase from Modification + References No definition available. + Details
Name: | hmst_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix: | hmst_
Data Type: | xbrli:durationItemType
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-types: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-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 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=hmst_CommercialPortfolioSegmentAdjustedForCreditAnalysisMember
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_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hmst_HomeEquityLineOfCreditAdjustedForCreditAnalysisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |