Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information [Abstract]
Total interest income	$ 22,270	$ 21,254	$ 20,680	$ 20,576	$ 20,288	$ 19,764	$ 19,278	$ 19,585	$ 19,312	$ 19,055	$ 18,781	$ 18,500	$ 84,780	$ 78,915	$ 75,648
Total interest expense	1,421	1,531	2,231	2,558	2,949	3,437	3,753	4,341	4,549	4,651	4,571	4,284	7,741	14,480	18,055
Net interest income	20,849	19,723	18,449	18,018	17,339	16,327	15,525	15,244	14,763	14,404	14,210	14,216	77,039	64,435	57,593
Provision for loan losses	(319)			500	1,000	2,000	2,500	1,500	500	750	350	500	181	7,000	2,100
Net interest income after provision for loan losses	21,168	19,723	18,449	17,518	16,339	14,327	13,025	13,744	14,263	13,654	13,860	13,716	76,858	57,435	55,493
Total noninterest income	2,624	2,809	2,895	3,726	4,254	3,336	2,811	2,545	2,398	2,710	2,411	2,020	12,054	12,946	9,539
Total noninterest expense	10,660	9,860	10,460	9,802	10,725	10,037	9,177	9,323	8,721	8,729	8,791	8,476	40,782	39,262	34,717
Income before provision for income taxes	13,132	12,672	10,884	11,442	9,868	7,626	6,659	6,966	7,940	7,635	7,480	7,260	48,130	31,119	30,315
Provision for income taxes	3,386	3,213	2,466	2,946	2,523	1,866	1,488	1,598	1,820	1,676	1,646	1,520
Net income	$ 9,746	$ 9,459	$ 8,418	$ 8,496	$ 7,345	$ 5,760	$ 5,171	$ 5,368	$ 6,120	$ 5,959	$ 5,834	$ 5,740	$ 36,119	$ 23,644	$ 23,653
Net income per common share - Basic	$ 0.94	$ 0.91	$ 0.81	$ 0.81	$ 0.70	$ 0.54	$ 0.48	$ 0.49	$ 0.56	$ 0.55	$ 0.54	$ 0.53	$ 3.47	$ 2.21	$ 2.18
Net income per common share - Diluted	$ 0.93	$ 0.90	$ 0.80	$ 0.80	$ 0.69	$ 0.54	$ 0.47	$ 0.49	$ 0.55	$ 0.54	$ 0.53	$ 0.52	$ 3.43	$ 2.19	$ 2.14