XML 61 R52.htm IDEA: XBRL DOCUMENT
v3.22.2.2

LONG-TERM DEBT - Schedule of Subordinated Debt Securities (Details) - Subordinated Debt - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
HomeStreet Statutory Trust Subordinated Debt Securities I |  |
Debt Instrument [Line Items] |  |
Amount | $ 5,155 | $ 5,155
Call options exercisable at par | 5 years |
HomeStreet Statutory Trust Subordinated Debt Securities I | Three Month LIBOR |  |
Debt Instrument [Line Items] |  |
Interest rate | 1.70% | 1.70%
HomeStreet Statutory Trust Subordinated Debt Securities II |  |
Debt Instrument [Line Items] |  |
Amount | $ 20,619 | $ 20,619
HomeStreet Statutory Trust Subordinated Debt Securities II | Three Month LIBOR |  |
Debt Instrument [Line Items] |  |
Interest rate | 1.50% | 1.50%
HomeStreet Statutory Trust Subordinated Debt Securities III |  |
Debt Instrument [Line Items] |  |
Amount | $ 20,619 | $ 20,619
HomeStreet Statutory Trust Subordinated Debt Securities III | Three Month LIBOR |  |
Debt Instrument [Line Items] |  |
Interest rate | 1.37% | 1.37%
HomeStreet Statutory Trust Subordinated Debt Securities IV |  |
Debt Instrument [Line Items] |  |
Amount | $ 15,464 | $ 15,464
HomeStreet Statutory Trust Subordinated Debt Securities IV | Three Month LIBOR |  |
Debt Instrument [Line Items] |  |
Interest rate | 1.68% | 1.68%

X
- Definition Debt Instrument, Call Options, Exercisable And Callable, Period After Issuance + References No definition available. + Details
Name: | hmst_DebtInstrumentCallOptionsExercisableAndCallablePeriodAfterIssuance
Namespace Prefix: | hmst_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=hmst_HomeStreetStatutoryTrustSubordinatedDebtSecuritiesIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=hmst_ThreeMonthLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=hmst_HomeStreetStatutoryTrustSubordinatedDebtSecuritiesIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=hmst_HomeStreetStatutoryTrustSubordinatedDebtSecuritiesIIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=hmst_HomeStreetStatutoryTrustSubordinatedDebtSecuritiesIV.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |