PARENT COMPANY CONDENSED FINANCIAL STATEMENTS - CONDENSE BALANCE SHEET (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
ASSETS
Cash and due from banks	$ 93,526	$ 76,759
Securities available-for-sale	1,195,990	1,259,137
Land and headquarters building, net	81,508	67,286
Other assets	102,746	72,587
TOTAL ASSETS	5,560,348	4,851,146
LIABILITIES AND SHAREHOLDERS' EQUITY
Notes payable	20,833
Other liabilities	77,216	57,304
TOTAL LIABILITIES	5,011,307	4,323,170
Shareholders' Equity	549,041	527,976	$ 475,293	$ 582,576
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	5,560,348	4,851,146
Parent
ASSETS
Cash and due from banks	4,291	37,907
Investments in subsidiaries	556,489	484,868
Securities available-for-sale		1,401
Land and headquarters building, net	8,518	8,822
Other assets	44,553	36,985
TOTAL ASSETS	613,851	569,983
LIABILITIES AND SHAREHOLDERS' EQUITY
Notes payable	20,833
Dividends payable	6,032	5,304
Other liabilities	37,945	36,703
TOTAL LIABILITIES	64,810	42,007
Shareholders' Equity	549,041	527,976
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 613,851	$ 569,983