Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Interest income:
Loans	$ 63,137	$ 60,279
Investment securities	11,459	12,236
Other investments	972	786
Total interest income	75,568	73,301
Interest expense:
Deposits	13,463	11,015
Advances from the Federal Home Loan Bank	3,346	2,010
Securities sold under agreements to repurchase	218	504
Total interest expense	17,027	13,529
Net interest income	58,541	59,772
Provision for loan losses	61	119
Net interest income after provision for loan losses	58,480	59,653
Noninterest income:
Service fees on loan and deposit accounts	1,937	1,886
Income on bank-owned life insurance	835	865
Gain on sale of investment securities	2,910	45
Gain on sale of loans	1,540	72
Other	610	296
Total noninterest income	7,832	3,164
Noninterest expense:
Salaries and employee benefits	22,580	22,159
Occupancy	6,400	6,324
Equipment	4,183	3,980
Federal deposit insurance premiums	288	608
Other general and administrative expenses	4,555	4,423
Total noninterest expense	38,006	37,494
Income before income taxes	28,306	25,323
Income taxes	6,311	6,111
Net income	$ 21,995	$ 19,212
Basic earnings per share (in dollars per share)	$ 2.38	$ 2.07
Diluted earnings per share (in dollars per share)	2.34	2.03
Cash dividends declared per common share (in dollars per share)	$ 1.49	$ 1.14
Basic weighted-average shares outstanding (in shares)	9,196,674	9,219,123
Diluted weighted-average shares outstanding (in shares)	9,325,614	9,400,395