INVESTMENT SECURITIES - Amortized Cost and Estimated Fair Value of Securities Held-to-Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 202,550	$ 203,242
Gross Unrealized Gains	323	538
Gross Unrealized Losses	(15,634)	(13,907)
Estimated Fair Value	187,239	189,873
State, county and municipal securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	33,355	33,414
Gross Unrealized Gains	0	4
Gross Unrealized Losses	(5,693)	(4,145)
Estimated Fair Value	27,662	29,273
Mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	169,195	169,828
Gross Unrealized Gains	323	534
Gross Unrealized Losses	(9,941)	(9,762)
Estimated Fair Value	$ 159,577	$ 160,600