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- Definition

Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits

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- Definition

Merger, Equity, Exchange Ratio

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- 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.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

Amount of increase in financing receivable from purchase. Excludes net investment in lease.

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- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Millions			6 Months Ended
	Apr. 30, 2024	Feb. 10, 2023 USD ($) branch	Jun. 30, 2024 segment
Asset Acquisition [Line Items]
Number of reporting segments \| segment			1
HomeStreet Bank \| FirstSun Bank
Asset Acquisition [Line Items]
Equity exchange ratio	0.3867
California \| Three Branches Purchase
Asset Acquisition [Line Items]
Number of branches purchased \| branch		3
Deposit liabilities assumed		$ 376
Acquired receivables		21
Goodwill		12
Intangible assets acquired		$ 11