Consolidated Statements of Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Interest income:
Loans, including fees		$ 22,311	$ 20,388
Investment securities:
Taxable		2,383	2,328
Tax-exempt		297	837
Federal funds sold		229	98
Total interest income		25,220	23,651
Interest expense:
Deposits		5,046	5,964
Federal funds purchased		16	87
Subordinated notes		255	252
Federal Home Loan Bank advances		1,309	1,273
Long-term debt		130	186
Total interest expense		6,756	7,762
Net interest income		18,464	15,889
Provision for loan losses	[1]	1,000	0
Net interest income after provision for loan losses		17,464	15,889
Noninterest income:
Increase in cash value of bank-owned life insurance		158	152
Loan swap fees		586	0
Realized investment securities losses, net		(6)	(88)
Other income		334	586
Total noninterest income		2,520	2,119
Noninterest expense:
Salaries and employee benefits		5,284	5,460
Occupancy		1,360	1,233
Data processing		672	680
FDIC insurance		237	219
Professional fees		239	234
Director fees		234	251
Other expenses		1,637	1,467
Total noninterest expense		9,663	9,544
Income before income taxes		10,321	8,464
Income taxes		2,232	1,565
Net income		$ 8,089	$ 6,899
Basic earnings per common share		$ 0.49	$ 0.42
Diluted earnings per common share		$ 0.49	$ 0.42
Service charges on deposit accounts [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax		$ 603	$ 611
Debit card usage fees [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax		382	375
Trust services [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax		$ 463	$ 483

[1] The negative provisions for the various segments are related to the decline in outstanding balances in each of those portfolio segments during the time periods disclosed and/or improvement in the credit quality factors related to those portfolio segments.