ACQUISITIONS - General Information (Details) $ / shares in Units, $ in Thousands	Feb. 04, 2020 USD ($) location $ / shares	Jun. 30, 2021 location
Business Combination, Description [Abstract]
Number of offices and branches \| location		34
Grand Mountain Bancshares, Inc.
Business Acquisition, Date of Acquisition [Abstract]
Business Acquisition, Effective Date of Acquisition	Feb. 04, 2020
Business Combination, Description [Abstract]
Number of offices and branches \| location	4
Business Acquisition, Share Price \| $ / shares	$ 3.40
Payments to Acquire Businesses, Gross \| $	$ 13,886
Business Combination, Consideration Transferred \| $	$ 13,886

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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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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Represents the number of stores.

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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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