Condensed Consolidated Statements of Changes to Stockholder's Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2020	$ 249,160	$ 81,804	$ (11,932)	$ 173,591	$ 5,697
Beginning balance, shares at Dec. 31, 2020		11,197,544
Net income	4,909			4,909
Other comprehensive income (loss)	(5,554)				(5,554)
Purchase of treasury stock	(23)		(23)
Purchase of treasury stock, shares		(950)
Issuance of share of restricted stock and forfeiture of share of restricted stock		$ 1	(7)	6
Issuance of share of restricted stock and forfeiture of share of restricted stock, shares		150
Stock-based compensation expense	225	$ 225
Cash dividends declared	(1,889)			(1,889)
Ending balance at Mar. 31, 2021	246,828	$ 82,030	(11,962)	176,617	143
Ending balance, shares at Mar. 31, 2021		11,196,744
Beginning balance at Dec. 31, 2020	249,160	$ 81,804	(11,932)	173,591	5,697
Beginning balance, shares at Dec. 31, 2020		11,197,544
Net income	15,812
Ending balance at Sep. 30, 2021	254,746	$ 81,382	(11,718)	184,181	901
Ending balance, shares at Sep. 30, 2021		11,232,320
Beginning balance at Mar. 31, 2021	246,828	$ 82,030	(11,962)	176,617	143
Beginning balance, shares at Mar. 31, 2021		11,196,744
Net income	4,983			4,983
Other comprehensive income (loss)	621				621
Purchase of treasury stock	(201)		(201)
Purchase of treasury stock, shares		(8,929)
Issuance of share of restricted stock and forfeiture of share of restricted stock		$ 58	(47)	(11)
Issuance of share of restricted stock and forfeiture of share of restricted stock, shares		(1,975)
Stock-based compensation expense	171	$ 171
Director stock award	71		38	33
Director stock awards, shares		3,212
Cash dividends declared	(1,888)			(1,888)
Ending balance at Jun. 30, 2021	250,585	$ 82,259	(12,172)	179,734	764
Ending balance, shares at Jun. 30, 2021		11,189,052
Net income	5,920			5,920
Other comprehensive income (loss)	137				137
Purchase of treasury stock	(107)		(107)
Purchase of treasury stock, shares		(4,732)
Issuance of share of restricted stock and forfeiture of share of restricted stock		$ (1,090)	561	529
Issuance of share of restricted stock and forfeiture of share of restricted stock, shares		48,000
Stock-based compensation expense	213	$ 213
Cash dividends declared	(2,002)			(2,002)
Ending balance at Sep. 30, 2021	254,746	$ 81,382	(11,718)	184,181	901
Ending balance, shares at Sep. 30, 2021		11,232,320
Beginning balance at Dec. 31, 2021	297,167	$ 122,674	(11,724)	189,401	(3,184)
Beginning balance, shares at Dec. 31, 2021		13,066,233
Net income	8,102			8,102
Other comprehensive income (loss)	(16,542)				(16,542)
Issuance of share of restricted stock and forfeiture of share of restricted stock		$ (1)	(15)	16
Issuance of share of restricted stock and forfeiture of share of restricted stock, shares		(150)
Stock-based compensation expense	213	$ 213
Cash dividends declared	(2,462)			(2,462)
Ending balance at Mar. 31, 2022	286,478	$ 122,886	(11,739)	195,057	(19,726)
Ending balance, shares at Mar. 31, 2022		13,066,083
Beginning balance at Dec. 31, 2021	297,167	$ 122,674	(11,724)	189,401	(3,184)
Beginning balance, shares at Dec. 31, 2021		13,066,233
Net income	25,327
Ending balance at Sep. 30, 2022	280,578	$ 121,811	(11,547)	208,051	(37,737)
Ending balance, shares at Sep. 30, 2022		13,107,500
Beginning balance at Mar. 31, 2022	286,478	$ 122,886	(11,739)	195,057	(19,726)
Beginning balance, shares at Mar. 31, 2022		13,066,083
Net income	8,271			8,271
Other comprehensive income (loss)	(11,535)				(11,535)
Purchase of treasury stock	(54)		(54)
Purchase of treasury stock, shares		(1,388)
Issuance of share of restricted stock and forfeiture of share of restricted stock		$ 40	(63)	23
Issuance of share of restricted stock and forfeiture of share of restricted stock, shares		(1,750)
Stock-based compensation expense	219	$ 219
Director stock award	120		34	86
Director stock awards, shares		2,880
Cash dividends declared	(2,626)			(2,626)
Ending balance at Jun. 30, 2022	280,873	$ 123,145	(11,822)	200,811	(31,261)
Ending balance, shares at Jun. 30, 2022		13,065,825
Net income	8,954			8,954
Other comprehensive income (loss)	(6,476)				(6,476)
Purchase of treasury stock	(254)		(254)
Purchase of treasury stock, shares		(8,100)
Issuance of share of restricted stock and forfeiture of share of restricted stock		$ (1,542)	529	1,013
Issuance of share of restricted stock and forfeiture of share of restricted stock, shares		49,775
Stock-based compensation expense	208	$ 208
Cash dividends declared	(2,727)			(2,727)
Ending balance at Sep. 30, 2022	$ 280,578	$ 121,811	$ (11,547)	$ 208,051	$ (37,737)
Ending balance, shares at Sep. 30, 2022		13,107,500