Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest income:
Loans and leases: Taxable	$ 53,918	$ 41,985	$ 32,364
Loans and leases: Nontaxable	1,513	1,256	1,077
Interest-bearing deposits with financial institutions	148	121	47
Restricted investments in bank stock	127	162	417
Investment securities:
U.S. government agency and corporations	4,068	3,197	3,633
States and political subdivisions (nontaxable)	4,413	2,374	1,731
States and political subdivisions (taxable)	1,281	398
Other securities		3
Total interest income	65,468	49,496	39,269
Interest expense:
Deposits	3,456	4,756	6,176
Secured borrowings	156
Other short-term borrowings	1	248	878
FHLB advances	26	307	500
Total interest expense	3,639	5,311	7,554
Net interest income	61,829	44,185	31,715
Provision for loan losses	2,000	5,250	1,085
Net interest income after provision for loan losses	59,829	38,935	30,630
Other income:
Earnings on bank-owned life insurance	1,227	794	647
Gain (loss) on write-down, sale or disposal of:
Loans	4,172	3,603	856
Available-for-sale debt securities	46	115	14
Premises and equipment	(186)	(142)	(13)
Total other income	18,287	14,668	10,193
Other expenses:
Salaries and employee benefits	25,249	19,831	14,761
Premises and equipment	6,998	5,623	4,124
Data processing and communication	2,566	2,246	1,765
Advertising and marketing	3,253	2,269	1,610
Professional services	3,415	2,869	1,362
Merger-related expenses	3,033	2,452	440
Automated transaction processing	1,479	1,158	877
Office supplies and postage	640	541	413
PA shares tax	395	381	303
Loan collection	126	131	264
Other real estate owned	29	28	121
FDIC assessment	679	280	133
FHLB prepayment fee	369	481
Other	1,876	29	748
Total other expenses	50,107	38,319	26,921
Income before income taxes	28,009	15,284	13,902
Provision for income taxes	4,001	2,249	2,326
Net income	$ 24,008	$ 13,035	$ 11,576
Per share data:
Net income - basic	$ 4.51	$ 2.84	$ 3.06
Net income - diluted	4.48	2.82	3.03
Dividends	$ 1.23	$ 1.14	$ 1.06
Service charges on deposit accounts [Member]
Other income:
Other income: revenues from contracts with customers	$ 2,623	$ 2,117	$ 2,286
Interchange fees [Member]
Other income:
Other income: revenues from contracts with customers	4,286	3,153	2,208
Service charges on loans [Member]
Other income:
Other income: revenues from contracts with customers	1,980	1,681	1,054
Fees from trust fiduciary activities [Member]
Other income:
Other income: revenues from contracts with customers	2,253	1,785	1,350
Fees from financial services [Member]
Other income:
Other income: revenues from contracts with customers	984	749	946
Fees and other revenue [Member]
Other income:
Other income: revenues from contracts with customers	$ 902	$ 813	$ 845