Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest and dividend income:
Loans, including fees	$ 38,049	$ 34,914
Investments:
Taxable securities	7,322	6,703
Tax exempt securities	1,041	1,041
Dividends	336	391
Interest bearing cash at Federal Reserve and other banks	373	435
Total interest and dividend income	47,121	43,484
Interest expense:
Deposits	1,096	894
Other borrowings	342	2
Junior subordinated debt	697	595
Total interest expense	2,135	1,491
Net interest income	44,986	41,993
Benefit from reversal of provision for loan losses	(236)	(1,557)
Net interest income after benefit from reversal of provision for loan losses	45,222	43,550
Noninterest income:
Service charges and fees	9,356	8,907
Gain on sale of loans	626	910
Commissions on sale of non-deposit investment products	876	607
Increase in cash value of life insurance	608	685
Other	824	594
Total noninterest income	12,290	11,703
Noninterest expense:
Salaries and related benefits	21,652	20,893
Other	16,510	14,929
Total noninterest expense	38,162	35,822
Income before income taxes	19,350	19,431
Provision for income taxes	5,440	7,352
Net income	$ 13,910	$ 12,079
Earnings per share:
Basic	$ 0.61	$ 0.53
Diluted	$ 0.60	$ 0.52