FAIR VALUE DISCLOSURES - Assets and Liabilities Measured At Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets:
Total securities available-for-sale	$ 993,057	$ 1,051,728
Mortgage banking derivative	29,995	27,189
Liabilities:
Mortgage banking derivative	29,995	27,190
Fair Value, Measurements, Recurring
Assets:
U.S. government sponsored agency securities	113,697	119,479
Mortgage-backed securities: residential	419,230	447,842
State and municipal securities	460,130	484,407
Total securities available-for-sale	993,057	1,051,728
Visa class c shares	1,653
Mortgage banking derivative	99	47
Interest rate swap derivative	29,995	27,189
Total assets	1,024,804	1,078,964
Liabilities:
Mortgage banking derivative		11
Interest rate swap derivative	29,995	27,190
Total liabilities	29,995	27,201
Level 1 | Fair Value, Measurements, Recurring
Assets:
U.S. government sponsored agency securities	0	0
Mortgage-backed securities: residential	0	0
State and municipal securities	0	0
Total securities available-for-sale	0	0
Visa class c shares	1,653
Mortgage banking derivative	0	0
Interest rate swap derivative	0	0
Total assets	1,653	0
Liabilities:
Mortgage banking derivative		0
Interest rate swap derivative	0	0
Total liabilities	0	0
Level 2 | Fair Value, Measurements, Recurring
Assets:
U.S. government sponsored agency securities	113,697	119,479
Mortgage-backed securities: residential	419,230	447,842
State and municipal securities	457,424	482,127
Total securities available-for-sale	990,351	1,049,448
Visa class c shares	0
Mortgage banking derivative	99	47
Interest rate swap derivative	29,995	27,189
Total assets	1,020,445	1,076,684
Liabilities:
Mortgage banking derivative		11
Interest rate swap derivative	29,995	27,190
Total liabilities	29,995	27,201
Level 3 | Fair Value, Measurements, Recurring
Assets:
U.S. government sponsored agency securities	0	0
Mortgage-backed securities: residential	0	0
State and municipal securities	2,706	2,280
Total securities available-for-sale	2,706	2,280
Visa class c shares	0
Mortgage banking derivative	0	0
Interest rate swap derivative	0	0
Total assets	2,706	2,280
Liabilities:
Mortgage banking derivative		0
Interest rate swap derivative	0	0
Total liabilities	$ 0	$ 0