OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ (2,426)	$ 9,764
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(137,548)	(12,190)
Ending balance	(139,974)	(2,426)
Unrealized gains and (Losses) on available- for-sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	15,674	34,162
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(144,570)	(18,488)
Ending balance	(128,896)	15,674
Unrealized gains (losses) on securities available-for-sale without other than temporary impairment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	13,155	31,810
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(144,290)	(18,655)
Ending balance	(131,135)	13,155
Unrealized gains (losses) on securities available-for-sale with other than temporary impairment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	2,519	2,352
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(280)	167
Ending balance	2,239	2,519
Retirement plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(18,100)	(24,398)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	7,022	6,298
Ending balance	$ (11,078)	$ (18,100)