Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	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, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Total interest income	$ 20,579	$ 19,794	$ 19,004	$ 17,339	$ 18,062	$ 17,837	$ 17,306	$ 16,878	$ 17,207	$ 16,580	$ 15,595	$ 14,795	$ 76,716	$ 70,083	$ 64,177
Interest expense	1,355	1,500	1,547	1,649	1,652	1,531	1,349	1,109	1,070	761	606	532	6,051	5,641	2,969
Net Interest Income	19,224	18,294	17,457	15,690	16,410	16,306	15,957	15,769	16,137	15,819	14,989	14,263	70,665	64,442	61,208
Provision (benefit) for loan losses	(599)	567	404	2,060	(150)	(2,075)	300	750	(200)	0	(300)	0	2,432	(1,175)	(500)
Total Other Operating Income	17,732	21,628	17,535	6,433	9,735	10,509	9,569	7,533	7,718	8,673	8,314	7,462	63,328	37,346	32,167
Compensation expense - RML acquisition payments					468	0	0	0					0	468	0
Other operating expense	24,147	23,506	22,674	18,787	20,147	19,324	19,819	17,080	18,300	18,099	16,606	16,795	89,114	76,370	69,800
Income Before Provision for Income Taxes	13,408	15,849	11,914	1,276	5,680	9,566	5,407	5,472	5,755	6,393	6,997	4,930	42,447	26,125	24,075
Provision for income taxes	3,308	3,994	2,014	243	1,100	2,028	1,146	1,160	907	1,129	1,167	868	9,559	5,434	4,071
Net Income	10,100	$ 11,855	$ 9,900	$ 1,033	4,580	$ 7,538	$ 4,261	$ 4,312	4,848	$ 5,264	$ 5,830	$ 4,062	32,888	20,691	20,004
Total assets	2,121,798				1,643,996				1,502,988				2,121,798	1,643,996	1,502,988
Loans held for sale	146,178				67,834				34,710				146,178	67,834	34,710
Community Banking
Segment Reporting Information [Line Items]
Total interest income													73,435	67,770	62,097
Interest expense													5,788	4,569	2,370
Net Interest Income													67,647	63,201	59,727
Provision (benefit) for loan losses													2,432	(1,175)	(500)
Total Other Operating Income													10,693	13,145	11,323
Compensation expense - RML acquisition payments														468
Other operating expense													57,614	54,520	49,956
Income Before Provision for Income Taxes													18,294	22,533	21,594
Provision for income taxes													2,694	4,408	3,361
Net Income													15,600	18,125	18,233
Total assets	1,935,871				1,540,869				1,443,745				1,935,871	1,540,869	1,443,745
Loans held for sale	0				0				0				0	0	0
Home Mortgage Lending
Segment Reporting Information [Line Items]
Total interest income													3,281	2,313	2,080
Interest expense													263	1,072	599
Net Interest Income													3,018	1,241	1,481
Provision (benefit) for loan losses													0	0	0
Total Other Operating Income													52,635	24,201	20,844
Compensation expense - RML acquisition payments														0
Other operating expense													31,500	21,850	19,844
Income Before Provision for Income Taxes													24,153	3,592	2,481
Provision for income taxes													6,865	1,026	710
Net Income													17,288	2,566	1,771
Total assets	185,927				103,127				59,243				185,927	103,127	59,243
Loans held for sale	$ 146,178				$ 67,834				$ 34,710				$ 146,178	$ 67,834	$ 34,710