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ACQUISITIONS - General Information (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Feb. 01, 2022 USD ($) location shares	Sep. 30, 2023 USD ($) location	Mar. 31, 2022 USD ($)	Sep. 30, 2023 USD ($) location	Sep. 30, 2022 USD ($)
Business Combination, Description [Abstract]
Number of offices and branches | location		35		35
Bargain purchase gain					$ 1,665
Acquisition related expenses		$ 0		$ 0
Pacific Enterprise Bancorp [Member]
Business Combination, Description [Abstract]
Transaction value	$ 64,100
Number of offices and branches | location	1
Cash consideration	$ 275
Stock consideration | shares	3,032,579
Bargain purchase gain	$ 1,665		$ 1,600
Acquisition related expenses			$ 3,100		$ 3,075

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Number of shares of equity interests issued or issuable to acquire entity.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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