Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest and Fee Income:
Loans	$ 14,797	$ 14,697
Equity securities	98	85
Debt securities available for sale	17,521	13,551
Debt securities held to maturity	5,329	6,174
Interest-bearing cash	1,738	1,808
Total Interest and Fee Income	39,483	36,315
Interest Expense:
Deposits	485	450
Short-term borrowed funds	9	9
Total Interest Expense	494	459
Net Interest and Fee Income	38,989	35,856
Provision for Loan Losses
Net Interest and Fee Income After Provision For Loan Losses	38,989	35,856
Noninterest Income:
Equity securities gains (losses)	24	(36)
Other noninterest income	958	1,062
Total Noninterest Income	11,579	11,955
Noninterest Expense:
Salaries and related benefits	13,108	13,351
Occupancy and equipment	5,048	4,691
Outsourced data processing services	2,369	2,340
Professional fees	665	785
Courier service	442	463
Amortization of identifiable intangibles	310	570
Other noninterest expense	3,241	3,822
Total Noninterest Expense	25,183	26,022
Income Before Income Taxes	25,385	21,789
Provision for income taxes	5,739	4,283
Net Income	$ 19,646	$ 17,506
Average Common Shares Outstanding (in shares)	26,841	26,532
Average Diluted Common Shares Outstanding (in shares)	26,912	26,665
Per Common Share Data:
Basic earnings (in dollars per share)	$ 0.73	$ 0.66
Diluted earnings (in dollars per share)	0.73	0.66
Dividends paid (in dollars per share)	$ 0.40	$ 0.40
Deposit Account [Member]
Noninterest Income:
Noninterest income revenue	$ 4,504	$ 4,752
Credit Card, Merchant Discount [Member]
Noninterest Income:
Noninterest income revenue	2,558	2,420
Debit Card [Member]
Noninterest Income:
Noninterest income revenue	1,507	1,605
Fiduciary and Trust [Member]
Noninterest Income:
Noninterest income revenue	717	743
ATM Processing Fees [Member]
Noninterest Income:
Noninterest income revenue	633	664
Financial Service, Other [Member]
Noninterest Income:
Noninterest income revenue	577	631
Financial Services Commission [Member]
Noninterest Income:
Noninterest income revenue	$ 101	$ 114