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Loans, Allowance for Credit Losses and Impaired Loans - Loan Impairment and Allowance for Credit Losses (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($) customer	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) customer	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Allowance for credit losses
Beginning Balance	$ 14,565		$ 14,656	$ 13,203	$ 13,203
Charge-offs	(867)		(1,058)		(988)
Recoveries	42		77		118
Provisions for credit losses	319	$ 858	384	2,598	2,323
Ending Balance	14,059		14,059		14,656
Purchased credit impaired loans: Balance in allowance					9
Purchased credit impaired loans: Related loan balance	1,137		1,137		2,181
Individually evaluated for impairment: Balance in allowance	941		941		1,455
Individually evaluated for impairment: Related loan balance	7,479		7,479		13,218
Collectively evaluated for impairment: Balance in allowance	13,118		13,118		13,192
Collectively evaluated for impairment: Related loan balance	1,160,850		1,160,850		1,101,796
Unamortized discounts on acquired loans	1,900		1,900		2,300
Paycheck Protection Program
Carrying amount	1,169,466		1,169,466		1,117,195
PPP Loans
Paycheck Protection Program
Loans funded	95,100		95,100
Carrying amount	$ 247		$ 247		8,200
PPP Loans \| Minimum
Paycheck Protection Program
Number of customers through PPP \| customer	1,130		1,130
Real Estate Mortgage \| Construction and Land Development
Allowance for credit losses
Beginning Balance	$ 1,002		$ 1,143	903	903
Recoveries					1
Provisions for credit losses	(67)		(208)		239
Ending Balance	935		935		1,143
Purchased credit impaired loans: Related loan balance					46
Individually evaluated for impairment: Related loan balance	598		598		598
Collectively evaluated for impairment: Balance in allowance	935		935		1,143
Collectively evaluated for impairment: Related loan balance	101,288		101,288		107,339
Paycheck Protection Program
Carrying amount	101,886		101,886		107,983
Real Estate Mortgage \| Residential Real Estate
Allowance for credit losses
Beginning Balance	1,907		1,893	2,351	2,351
Charge-offs					(39)
Recoveries	18		39		23
Provisions for credit losses	(56)		(63)		(442)
Ending Balance	1,869		1,869		1,893
Purchased credit impaired loans: Balance in allowance					9
Purchased credit impaired loans: Related loan balance	731		731		1,633
Individually evaluated for impairment: Balance in allowance	2		2		3
Individually evaluated for impairment: Related loan balance	1,656		1,656		2,082
Collectively evaluated for impairment: Balance in allowance	1,867		1,867		1,881
Collectively evaluated for impairment: Related loan balance	214,627		214,627		197,515
Paycheck Protection Program
Carrying amount	217,014		217,014		201,230
Real Estate Mortgage \| Nonresidential
Allowance for credit losses
Beginning Balance	9,299		9,239	7,584	7,584
Charge-offs	(756)		(886)		(692)
Recoveries	11		16		53
Provisions for credit losses	649		834		2,294
Ending Balance	9,203		9,203		9,239
Purchased credit impaired loans: Related loan balance	361		361		376
Individually evaluated for impairment: Balance in allowance	659		659		1,000
Individually evaluated for impairment: Related loan balance	4,775		4,775		9,901
Collectively evaluated for impairment: Balance in allowance	8,544		8,544		8,239
Collectively evaluated for impairment: Related loan balance	685,652		685,652		631,940
Paycheck Protection Program
Carrying amount	690,788		690,788		642,217
Real Estate Mortgage \| Home Equity Loans
Allowance for credit losses
Beginning Balance	231		212	271	271
Charge-offs			(27)		(7)
Recoveries	4		6		3
Provisions for credit losses	(1)		43		(55)
Ending Balance	234		234		212
Individually evaluated for impairment: Related loan balance	53		53		53
Collectively evaluated for impairment: Balance in allowance	234		234		212
Collectively evaluated for impairment: Related loan balance	31,597		31,597		30,342
Paycheck Protection Program
Carrying amount	31,650		31,650		30,395
Commercial
Allowance for credit losses
Beginning Balance	1,686		1,885	1,943	1,943
Charge-offs	(97)		(120)		(184)
Recoveries	6		11		16
Provisions for credit losses	68		(113)		110
Ending Balance	1,663		1,663		1,885
Purchased credit impaired loans: Related loan balance	45		45		126
Individually evaluated for impairment: Balance in allowance	280		280		452
Individually evaluated for impairment: Related loan balance	397		397		584
Collectively evaluated for impairment: Balance in allowance	1,383		1,383		1,433
Collectively evaluated for impairment: Related loan balance	123,593		123,593		130,198
Paycheck Protection Program
Carrying amount	124,035		124,035		130,908
Consumer and Other
Allowance for credit losses
Beginning Balance	32		36	37	37
Charge-offs	(14)		(25)		(66)
Recoveries	3		5		22
Provisions for credit losses	10		15		43
Ending Balance	31		31		36
Collectively evaluated for impairment: Balance in allowance	31		31		36
Collectively evaluated for impairment: Related loan balance	4,093		4,093		4,462
Paycheck Protection Program
Carrying amount	4,093		4,093		4,462
Unallocated
Allowance for credit losses
Beginning Balance	408		248	$ 114	114
Provisions for credit losses	(284)		(124)		134
Ending Balance	124		124		248
Collectively evaluated for impairment: Balance in allowance	124		124		248
Originated Loans
Paycheck Protection Program
Carrying amount	1,008,895		1,008,895		913,314
Originated Loans \| Real Estate Mortgage \| Construction and Land Development
Paycheck Protection Program
Carrying amount	101,424		101,424		107,478
Originated Loans \| Real Estate Mortgage \| Residential Real Estate
Paycheck Protection Program
Carrying amount	186,595		186,595		159,701
Originated Loans \| Real Estate Mortgage \| Nonresidential
Paycheck Protection Program
Carrying amount	587,798		587,798		513,873
Originated Loans \| Real Estate Mortgage \| Home Equity Loans
Paycheck Protection Program
Carrying amount	22,184		22,184		19,246
Originated Loans \| Commercial
Paycheck Protection Program
Carrying amount	107,576		107,576		109,470
Originated Loans \| Consumer and Other
Paycheck Protection Program
Carrying amount	3,318		3,318		3,546
Acquired Loans
Paycheck Protection Program
Carrying amount	160,571		160,571		203,881
Acquired Loans \| Real Estate Mortgage \| Construction and Land Development
Paycheck Protection Program
Carrying amount	462		462		505
Acquired Loans \| Real Estate Mortgage \| Residential Real Estate
Paycheck Protection Program
Carrying amount	30,419		30,419		41,529
Acquired Loans \| Real Estate Mortgage \| Nonresidential
Paycheck Protection Program
Carrying amount	102,990		102,990		128,344
Acquired Loans \| Real Estate Mortgage \| Home Equity Loans
Paycheck Protection Program
Carrying amount	9,466		9,466		11,149
Acquired Loans \| Commercial
Paycheck Protection Program
Carrying amount	16,459		16,459		21,438
Acquired Loans \| Consumer and Other
Paycheck Protection Program
Carrying amount	$ 775		$ 775		$ 916