CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income	Treasury stock	Total
Balance at Dec. 31, 2018	$ 75	$ 88,539	$ 6,774	$ (2,614)		$ 92,774
Balance (in shares) at Dec. 31, 2018	7,532,723
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			6,453			6,453
Other comprehensive income				2,534		2,534
Exercise of stock options, net of repurchases		50				50
Exercise of stock options, net of repurchases (in shares)	4,000
Stock compensation expense		540				540
Balance at Jun. 30, 2019	$ 75	89,129	13,227	(80)		102,351
Balance (in shares) at Jun. 30, 2019	7,536,723
Balance at Mar. 31, 2019	$ 75	88,809	9,759	(1,170)		97,473
Balance (in shares) at Mar. 31, 2019	7,532,723
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			3,468			3,468
Other comprehensive income				1,090		1,090
Exercise of stock options, net of repurchases		50				50
Exercise of stock options, net of repurchases (in shares)	4,000
Stock compensation expense		270				270
Balance at Jun. 30, 2019	$ 75	89,129	13,227	(80)		102,351
Balance (in shares) at Jun. 30, 2019	7,536,723
Balance at Dec. 31, 2019	$ 77	89,682	20,917	386		111,062
Balance (in shares) at Dec. 31, 2019	7,652,170
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			5,130			5,130
Other comprehensive income				1,513		1,513
Exercise of stock options, net of repurchases		290				290
Exercise of stock options, net of repurchases (in shares)	44,976
Stock compensation expense		775				775
Purchase of common stock					$ (567)	(567)
Purchase of common stock (in shares)	(34,306)
Balance at Jun. 30, 2020	$ 77	90,747	26,047	1,899	(567)	118,203
Balance (in shares) at Jun. 30, 2020	7,662,840
Balance at Mar. 31, 2020	$ 77	90,360	23,514	1,419	(485)	114,885
Balance (in shares) at Mar. 31, 2020	7,669,440
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			2,533			2,533
Other comprehensive income				480		480
Stock compensation expense		387				387
Purchase of common stock					(82)	(82)
Purchase of common stock (in shares)	(6,600)
Balance at Jun. 30, 2020	$ 77	$ 90,747	$ 26,047	$ 1,899	$ (567)	$ 118,203
Balance (in shares) at Jun. 30, 2020	7,662,840