ACCUMULATED OTHER COMPREHENSIVE INCOME, CHANGES IN AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of year	$ 238,604	$ 240,825
Before reclassifications	(28,145)	(5,613)
Reclassifications	0	(239)
Balance at end of year	200,675	238,604
Unrealized Gains and Losses on Available-for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of year	(1,536)	4,348
Before reclassifications	(28,391)	(5,645)
Reclassifications	0	(239)
Balance at end of year	(29,927)	(1,536)
Changes in Pension Plan Assets and Benefit Obligations
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of year	(273)	(305)
Before reclassifications	246	32
Reclassifications	0	0
Balance at end of year	(27)	(273)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of year	(1,809)	4,043
Balance at end of year	$ (29,954)	$ (1,809)