Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Interest income
Loans and leases		$ 31,544	$ 27,062
Federal funds sold and interest bearing due from banks		733	268
Mortgage loans held for sale		37	35
Securities available for sale
Taxable		2,568	2,138
Tax-exempt		147	241
Total interest income		35,029	29,744
Interest expense
Deposits		5,066	2,077
Securities sold under agreements to repurchase		25	33
Federal funds purchased and other short-term borrowing		60	90
Federal Home Loan Bank advances		221	235
Total interest expense		5,372	2,435
Net interest income		29,657	27,309
Provision for loan and lease losses		600	735
Net interest income after provision		29,057	26,574
Non-interest income:
Non-interest income		5,439	5,500
Mortgage banking income	[1]	482	576
Bank owned life insurance	[1]	178	187
Total non-interest income		11,062	10,909
Non-interest expenses
Compensation		11,801	10,970
Employee benefits		2,642	2,633
Net occupancy and equipment		1,858	1,818
Technology and communication		1,773	1,630
Debit and credit card processing		587	566
Marketing and business development		625	646
Postage, printing, and supplies		406	391
Legal and professional		534	493
FDIC insurance		238	242
Amortization/impairment of investments in tax credit partnerships		52
Capital and deposit based taxes		904	852
Other		1,219	786
Total non-interest expenses		22,639	21,027
Income before income taxes		17,480	16,456
Income tax expense		1,839	3,052
Net income		$ 15,641	$ 13,404
Net income per share, basic (in dollars per share)		$ 0.69	$ 0.59
Net income per share, diluted (in dollars per share)		$ 0.68	$ 0.58
Average common shares:
Basic (in shares)		22,661	22,577
Diluted (in shares)		22,946	22,931
Fiduciary and Trust [Member]
Non-interest income:
Non-interest income		$ 5,439	$ 5,500
Deposit Account [Member]
Non-interest income:
Non-interest income		1,247	1,411
Credit and Debit Card [Member]
Non-interest income:
Non-interest income		1,744	1,508
Treasury Management [Member]
Non-interest income:
Non-interest income		1,157	1,047
Investment Advisory, Management and Administrative Service [Member]
Non-interest income:
Non-interest income		356	404
Product and Service, Other [Member]
Non-interest income:
Non-interest income		$ 459	$ 276

[1] Outside of scope of ASC 606