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LONG-TERM DEBT - Schedule of Subordinated Debt Securities (Details) - Subordinated Debt - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
HomeStreet Statutory Trust Subordinated Debt Securities I
Debt Instrument [Line Items]
Amount	$ 5,155	$ 5,155
Interest rate	1.96%	1.96%
HomeStreet Statutory Trust Subordinated Debt Securities II
Debt Instrument [Line Items]
Amount	$ 20,619	$ 20,619
Interest rate	1.76%	1.76%
HomeStreet Statutory Trust Subordinated Debt Securities III
Debt Instrument [Line Items]
Amount	$ 20,619	$ 20,619
Interest rate	1.63%	1.63%
HomeStreet Statutory Trust Subordinated Debt Securities IV
Debt Instrument [Line Items]
Amount	$ 15,464	$ 15,464
Interest rate	1.94%	1.94%

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