BUSINESS COMBINATIONS - Schedule of Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands				2 Months Ended
	Sep. 30, 2023	Jan. 01, 2023	Aug. 01, 2022	Sep. 30, 2022	Dec. 31, 2022
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Goodwill	$ 272,672				$ 180,254
Heritage Southeast Bank
Business Combination, Consideration Transferred [Abstract]
Cash and stock		$ 221,538
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash		106,973
Investments		172,775
Loans	1,159,000	1,155,712
Other real estate		857
Bank owned life insurance		35,579
Core deposit intangible		43,739
Personal and real property		35,963
Deferred tax asset		6,129
Other assets		3,103
Interest receivable		4,349
Total assets		1,565,179
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Deposits		1,392,432
Borrowings		9,015
Other liabilities		34,271
Total liabilities		1,435,718
Net assets acquired		129,461
Goodwill		$ 92,077
Beach Bancorp
Business Combination, Consideration Transferred [Abstract]
Cash and stock	101,470		$ 101,470
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash	23,939		23,939
Investments	22,643		22,907
Loans	485,171		482,903
Other real estate	8,217		8,797
Bank owned life insurance	10,092		10,092
Core deposit intangible	9,791		9,791
Personal and real property	11,957		13,825
Deferred tax asset	27,135		28,105
Other assets	9,235		9,649
Total assets	608,180		610,008
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Deposits	490,591		490,588
Borrowings	25,000		25,000
Other liabilities	14,772		14,772
Total liabilities	530,363		530,360
Net assets acquired	77,817		79,648
Goodwill	$ 23,653		$ 21,822
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]
Cash and stock				$ 0
Cash				0
Investments				(264)
Loans				2,268
Other real estate				(580)
Bank owned life insurance				0
Core deposit intangible				0
Personal and real property				(1,868)
Deferred tax asset				(970)
Other assets				(414)
Total assets				(1,828)
Deposits				3
Borrowings				0
Other liabilities				0
Total liabilities				3
Net assets acquired				(1,831)
Goodwill				$ 1,831