Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest and Loan Fee Income:
Loans	$ 14,822	$ 14,957	$ 29,619	$ 29,654
Equity securities	99	86	197	171
Debt securities available for sale	17,823	14,323	35,344	27,874
Debt securities held to maturity	4,924	6,216	10,253	12,390
Interest-bearing cash	1,958	1,764	3,696	3,572
Total Interest and Loan Fee Income	39,626	37,346	79,109	73,661
Interest Expense:
Deposits	478	449	963	899
Short-term borrowed funds	9	10	18	19
Total Interest Expense	487	459	981	918
Net Interest and Loan Fee Income	39,139	36,887	78,128	72,743
Provision for Loan Losses	0	0	0	0
Net Interest and Loan Fee Income After Provision for Loan Losses	39,139	36,887	78,128	72,743
Noninterest Income:
Life insurance gains	433	0	433	0
Equity securities gains (losses)	26	(14)	50	(50)
Other noninterest income	889	920	1,847	1,982
Total Noninterest Income	12,288	11,769	23,867	23,724
Noninterest Expense:
Salaries and related benefits	13,090	13,186	26,198	26,537
Occupancy and equipment	4,916	4,864	9,964	9,555
Outsourced data processing services	2,367	2,299	4,736	4,639
Loss contingency	553	0	553	0
Professional fees	481	871	1,146	1,656
Courier service	451	422	893	885
Amortization of identifiable intangibles	79	453	389	1,023
Other noninterest expense	3,624	3,646	6,865	7,468
Total Noninterest Expense	25,561	25,741	50,744	51,763
Income Before Income Taxes	25,866	22,915	51,251	44,704
Provision for income taxes	6,241	4,905	11,980	9,188
Net Income	$ 19,625	$ 18,010	$ 39,271	$ 35,516
Average Common Shares Outstanding (in shares)	26,942	26,630	26,892	26,581
Average Diluted Common Shares Outstanding (in shares)	26,987	26,728	26,950	26,696
Per Common Share Data:
Basic earnings (in dollars per share)	$ 0.73	$ 0.68	$ 1.46	$ 1.34
Diluted earnings (in dollars per share)	0.73	0.67	1.46	1.33
Dividends paid (in dollars per share)	$ 0.41	$ 0.40	$ 0.81	$ 0.80
Deposit Account [Member]
Noninterest Income:
Noninterest income revenue	$ 4,493	$ 4,645	$ 8,997	$ 9,397
Credit Card, Merchant Discount [Member]
Noninterest Income:
Noninterest income revenue	2,657	2,305	5,215	4,725
Debit Card [Member]
Noninterest Income:
Noninterest income revenue	1,641	1,698	3,148	3,303
Fiduciary and Trust [Member]
Noninterest Income:
Noninterest income revenue	749	726	1,466	1,469
ATM Processing Fees [Member]
Noninterest Income:
Noninterest income revenue	722	698	1,355	1,362
Financial Service, Other [Member]
Noninterest Income:
Noninterest income revenue	585	650	1,162	1,281
Financial Services Commission [Member]
Noninterest Income:
Noninterest income revenue	$ 93	$ 141	$ 194	$ 255