PARENT COMPANY CONDENSED FINANCIAL STATEMENTS: (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income (Loss) Attributable to Parent	$ 52,987	$ 53,844	$ 48,872
Adjustments to reconcile net income to net cash provided by operating activities:
Contribution of shares to ESOP	1,402	1,471	1,251
NET CASH FROM OPERATING ACTIVITIES	55,067	77,425	49,901
CASH FLOWS FROM INVESTING ACTIVITIES:
NET CASH FROM INVESTING ACTIVITIES	(317,376)	(16,248)	(32,866)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchases of treasury stock	(42,471)	(9,220)	(315)
Dividends paid	(14,181)	(14,273)	(12,648)
NET CASH FROM FINANCING ACTIVITIES	287,646	468,867	36,003
Supplemental disclosures of cash flow information:
Income Taxes	15,025	7,549	9,595
Parent
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income (Loss) Attributable to Parent	52,987	53,844	48,872
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	191	328	193
Equity in undistributed earnings	45,060	(24,724)	(29,568)
Contribution of shares to ESOP	1,402	1,471	1,251
Restricted stock compensation	807	820	801
Increase (decrease) in other liabilities	435	6,127	(2,150)
(Increase) decrease in other assets	(1,518)	(5,977)	1,187
NET CASH FROM OPERATING ACTIVITIES	99,364	31,889	20,586
CASH FLOWS FROM INVESTING ACTIVITIES:
Payments to Acquire Interest in Subsidiaries and Affiliates	31,348	0	6,571
NET CASH FROM INVESTING ACTIVITIES	(31,348)	0	(6,571)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchases of treasury stock	(42,471)	(9,220)	(315)
Dividends paid	(14,181)	(14,273)	(12,648)
NET CASH FROM FINANCING ACTIVITIES	(56,652)	(33,803)	(12,963)
NET CHANGE IN CASH AND CASH EQUIVALENTS	11,364	(1,914)	1,052
CASH AND DUE FROM BANKS, BEGINNING OF YEAR	2,480	4,394	3,342
CASH AND DUE FROM BANKS, END OF YEAR	13,844	2,480	4,394
Supplemental disclosures of cash flow information:
Interest	0	375	0
Income Taxes	$ 15,025	$ 7,549	$ 9,595