PARENT COMPANY CONDENSED FINANCIAL STATEMENTS - Schedule of Condensed Cash Flow Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 71,109	$ 52,987	$ 53,844
Adjustments to reconcile net income to net cash provided by operating activities:
Contribution of shares to ESOP	1,451	1,402	1,471
Restricted stock compensation	825	807	820
NET CASH FROM OPERATING ACTIVITIES	78,787	55,067	77,425
CASH FLOWS FROM INVESTING ACTIVITIES:
NET CASH FROM INVESTING ACTIVITIES	(433,689)	(312,156)	(16,248)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of treasury stock	(27,701)	(42,471)	(9,220)
Dividends paid	(14,459)	(14,181)	(14,273)
NET CASH FROM FINANCING ACTIVITIES	(110,608)	287,646	468,867
NET (DECREASE) INCREASE IN CASH	(465,510)	30,557	530,044
Supplemental disclosures of cash flow information:
Income Taxes	13,525	15,025	7,549
Parent
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	71,109	52,987	53,844
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	297	191	328
Equity in undistributed earnings	21,868	45,060	(24,724)
Contribution of shares to ESOP	1,451	1,402	1,471
Restricted stock compensation	825	807	820
Increase (decrease) in other liabilities	33,050	435	6,127
(Increase) decrease in other assets	(34,602)	(1,518)	(5,977)
NET CASH FROM OPERATING ACTIVITIES	93,998	99,364	31,889
CASH FLOWS FROM INVESTING ACTIVITIES:
(Increase) decrease in premises and equipment	(4,990)
Cash received (disbursed) from acquisitions	0	(31,348)	0
NET CASH FROM INVESTING ACTIVITIES	(4,990)	(31,348)	0
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on borrowings			(10,310)
Purchase of treasury stock	(27,701)	(42,471)	(9,220)
Dividends paid	(14,459)	(14,181)	(14,273)
NET CASH FROM FINANCING ACTIVITIES	(42,160)	(56,652)	(33,803)
NET (DECREASE) INCREASE IN CASH	46,848	11,364	(1,914)
CASH, BEGINNING OF YEAR	13,844	2,480	4,394
CASH, END OF YEAR	60,692	13,844	2,480
Supplemental disclosures of cash flow information:
Interest	0	0	375
Income Taxes	$ 13,525	$ 15,025	$ 7,549