Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2020	$ 255,688	$ 8,512	$ 178,853	$ 70,175	$ (57)	$ (1,795)
Net income	9,312			9,312
Total other comprehensive income (loss), net of taxes	558				558
Common stock cash dividends declared	(1,599)			(1,599)
Repurchased stock	(128)					(128)
Employee Stock Purchase Plan	40	2	38
Director Stock Purchase Plan	33	1	32
Restricted stock activity	132		132
Balance at Mar. 31, 2021	264,036	8,515	179,055	77,888	501	(1,923)
Balance at Dec. 31, 2020	255,688	8,512	178,853	70,175	(57)	(1,795)
Net income	18,925
Total other comprehensive income (loss), net of taxes	276
Balance at Jun. 30, 2021	341,569	11,507	246,546	85,220	219	(1,923)
Balance at Mar. 31, 2021	264,036	8,515	179,055	77,888	501	(1,923)
Net income	9,613			9,613
Total other comprehensive income (loss), net of taxes	(282)				(282)
Common stock cash dividends declared	(2,281)			(2,281)
Common shares issued through follow-on public offering (2,990,000 shares), net of underwriting discounts and offering expenses	70,238	2,990	67,248
Employee Stock Purchase Plan	38	1	37
Director Stock Purchase Plan	34	1	33
Restricted stock activity	173		173
Balance at Jun. 30, 2021	341,569	11,507	246,546	85,220	219	(1,923)
Balance at Dec. 31, 2021	490,076	16,056	384,742	91,043	158	(1,923)
Net income	11,354			11,354
Total other comprehensive income (loss), net of taxes	(5,104)				(5,104)
Common stock cash dividends declared	(3,191)			(3,191)
Riverview restricted stock adjustment	776		776
Employee Stock Purchase Plan	46	2	44
Director Stock Purchase Plan	36	1	35
Restricted stock activity	168		168
Balance at Mar. 31, 2022	494,161	16,059	385,765	99,206	(4,946)	(1,923)
Balance at Dec. 31, 2021	490,076	16,056	384,742	91,043	158	(1,923)
Net income	23,606
Total other comprehensive income (loss), net of taxes	(9,917)
Balance at Jun. 30, 2022	495,835	16,081	386,128	108,265	(9,759)	(4,880)
Balance at Mar. 31, 2022	494,161	16,059	385,765	99,206	(4,946)	(1,923)
Net income	12,252			12,252
Total other comprehensive income (loss), net of taxes	(4,813)				(4,813)
Common stock cash dividends declared	(3,193)			(3,193)
Repurchased stock	(2,957)					(2,957)
Employee Stock Purchase Plan	51	2	49
Director Stock Purchase Plan	43	2	41
Restricted stock activity	291	18	273
Balance at Jun. 30, 2022	$ 495,835	$ 16,081	$ 386,128	$ 108,265	$ (9,759)	$ (4,880)