CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 20,075	$ 18,912	$ 14,845
Other comprehensive income (loss):
Net unrealized gain (loss) on available-for-sale securities (net of taxes of $975, $1,450, and $(516) for 2020, 2019, and 2018, respectively)	3,666	5,456	(1,939)
Reclassification adjustment for net realized (gain) loss on sale of available-for-sale securities included in net income (net of taxes of $46, $(9), and $(2) for 2020, 2019 and 2018, respectively)	(175)	32	6
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	(121)	(96)	81
Other comprehensive income (loss)	3,370	5,392	(1,852)
TOTAL COMPREHENSIVE INCOME	23,445	24,304	12,993
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX, AS OF YEAR-END:
Net unrealized gain (loss) on securities available-for-sale	4,349	857	(4,631)
Net unfunded liability for nonqualified pension plan	(306)	(184)	(88)
Balance at year-end	$ 4,043	$ 673	$ (4,719)