INVESTMENT SECURITIES - Amortized Cost and Estimated Fair Value of Securities Held-to-Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 111,654	$ 79,850
Gross Unrealized Gains	0	4
Gross Unrealized Losses	(14,510)	(1,648)
Estimated Fair Value	97,144	78,206
State, county and municipal securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	31,905	8,905
Gross Unrealized Gains	0	4
Gross Unrealized Losses	(4,279)	(198)
Estimated Fair Value	27,626	8,711
Mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	79,749	70,945
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(10,231)	(1,450)
Estimated Fair Value	$ 69,518	$ 69,495