SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Basic earnings per share computation [Abstract]
Net income	$ 17,811	$ 29,060	$ 29,118
Weighted average common shares outstanding (in shares)	4,382,573	4,008,931	4,023,294
Earnings per share - basic (in dollars per share)	$ 4.06	$ 7.25	$ 7.24
Diluted earnings per share computation [Abstract]
Net income	$ 17,811	$ 29,060	$ 29,118
Weighted average common shares outstanding for basic earnings per share (in shares)	4,382,573	4,008,931	4,023,294
Add: Dilutive effects of restricted stock (in shares)	0	0	0
Weighted average common shares outstanding for dilutive earnings per share (in shares)	4,382,573	4,008,931	4,023,294
Earnings per share - dilutive (in dollars per share)	$ 4.06	$ 7.25	$ 7.24
Restricted Stock [Member]
Antidilutive Securities [Abstract]
Antidilutive restricted stock excluded from net income per share calculations (in shares)	4,623	5,458	5,494
Restricted Stock [Member] | Minimum [Member]
Antidilutive Securities [Abstract]
Antidilutive stock share price range (in dollars per share)	$ 56.81	$ 44.93	$ 44.93
Restricted Stock [Member] | Maximum [Member]
Antidilutive Securities [Abstract]
Antidilutive stock share price range (in dollars per share)	$ 83.38	$ 74.27	$ 63.19