ACQUISITIONS - Consideration Transferred (Details) - Grand Mountain Bancshares, Inc. $ in Thousands	Feb. 04, 2020 USD ($)
Business Combination, Consideration Transferred [Abstract]
Cash paid	$ 13,886
Total price paid	$ 13,886

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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