XML 49 R39.htm IDEA: XBRL DOCUMENT
v3.25.1

Investment Securities - Amortized Cost and Fair Value of Investment Securities Pledged as Collateral (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost | $ 717,859 | $ 723,877
Fair Value | 650,858 | 641,683
State and local governments public deposits |  |
Amortized Cost | 233,028 | 236,047
Fair Value | 221,087 | 220,104
FRB |  |
Amortized Cost | 431,657 | 434,534
Fair Value | 380,856 | 373,410
Other securities pledged |  |
Amortized Cost | 53,174 | 53,296
Fair Value | $ 48,915 | $ 48,169

X
- Definition Debt Securities, Pledged, Amortized Cost + References No definition available. + Details
Name: | hfwa_DebtSecuritiesPledgedAmortizedCost
Namespace Prefix: | hfwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Pledged, Fair Value + References No definition available. + Details
Name: | hfwa_DebtSecuritiesPledgedFairValue
Namespace Prefix: | hfwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=hfwa_WashingtonAndOregonStateToSecurePublicDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_FederalReserveBankAdvancesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=hfwa_OtherSecuritiesPledgedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |