PARENT COMPANY CONDENSED FINANCIAL STATEMENTS: (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Condensed Financial Statements, Captions [Line Items]
Income tax benefit	$ (12,626)	$ (11,692)	$ (12,127)
NET INCOME	52,987	53,844	48,872
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	40,797	71,109	64,825
Parent
Condensed Financial Statements, Captions [Line Items]
Dividends from subsidiaries	99,231	31,069	81,281
Other income	746	1,054	720
Other operating expenses	(2,611)	(3,430)	(4,327)
Income before income taxes and equity in undistributed earnings of subsidiaries	97,366	28,319	77,532
Income tax benefit	681	801	908
Income before equity in undistributed earnings of subsidiaries	98,047	29,120	78,440
Equity in undistributed earnings of subsidiaries	(45,060)	24,724	(29,568)
NET INCOME	$ 52,987	$ 53,844	$ 48,872