RESTATEMENT OF PREVIOUSLY ISSUED CONSOLIDATED FINANCIAL STATEMENTS - Corrected Consolidated Statements of Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			12 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Prior Period Adjustments and Restatements
Beginning balance	$ 35,745	$ 36,273	$ 35,693	$ 35,693	$ 71,290
Beginning balance, shares	5,018,129	5,013,899	5,003,059	5,003,059
Net Income (Loss)	$ 1,791	$ 1,398	$ 1,733	$ 6,596	7,064
OTHER COMPREHENSIVE INCOME (LOSS)	412	(925)	779	3,227	(38,502)
Cash dividends	(1,104)	(1,102)	(1,101)	(4,406)	(4,401)
Stock-based compensation	(35)	(39)	(32)	143	176
Purchase of treasury stock			(9)	(324)	(3)
Treasury stock issued for stock plans		62		62	69
Ending balance	$ 36,879	$ 35,745	$ 36,273	$ 40,137	$ 35,693
Ending balance, shares	5,018,129	5,018,129	5,013,899	4,991,129	5,003,059
Cash Dividends per share	$ 0.22	$ 0.22	$ 0.22	$ 0.88	$ 0.88
Cumulative effect of change in accounting principle
Prior Period Adjustments and Restatements
Beginning balance			$ (854)	$ (854)
Ending balance					$ (854)
As Previously Reported
Prior Period Adjustments and Restatements
Beginning balance	$ 37,001	$ 37,529	36,949	36,949	71,290
Net Income (Loss)	1,791	1,398	1,733	6,596	8,320
OTHER COMPREHENSIVE INCOME (LOSS)	412	(925)	779	3,227	(38,502)
Cash dividends	(1,104)	(1,102)	(1,101)	(4,406)	(4,401)
Stock-based compensation	(35)	(39)	(32)	143	176
Purchase of treasury stock			(9)	(324)	(3)
Treasury stock issued for stock plans		62		62	69
Ending balance	$ 38,135	$ 37,001	$ 37,529	41,393	36,949
Cash Dividends per share	$ 0.22	$ 0.22	$ 0.22
As Previously Reported | Cumulative effect of change in accounting principle
Prior Period Adjustments and Restatements
Beginning balance			$ (854)	(854)
Ending balance					(854)
Adjustment
Prior Period Adjustments and Restatements
Beginning balance	$ (1,256)	$ (1,256)	(1,256)	(1,256)
Net Income (Loss)					(1,256)
Ending balance	$ (1,256)	$ (1,256)	$ (1,256)	$ (1,256)	$ (1,256)