Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest and dividend income:
Loans, including fees	$ 53,102	$ 37,268	$ 130,455	$ 108,600
Investments:
Taxable securities	9,189	7,011	23,949	20,617
Tax exempt securities	1,189	1,041	3,272	3,124
Dividends	459	301	1,093	1,020
Interest bearing cash at Federal Reserve and other banks	615	292	1,384	1,080
Total interest and dividend income	64,554	45,913	160,153	134,441
Interest expense:
Deposits	2,072	1,028	4,402	2,896
Other borrowings	1,178	149	2,106	164
Junior subordinated debt	815	652	2,301	1,870
Total interest expense	4,065	1,829	8,809	4,930
Net interest income	60,489	44,084	151,344	129,511
Provision for (benefit from) loan losses	2,651	765	1,777	(1,588)
Net interest income after provision for (benefit from) loan losses	57,838	43,319	149,567	131,099
Noninterest income:
Service charges and fees	9,743	9,475	28,327	27,861
Commissions on sale of non-deposit investment products	728	672	2,414	1,984
Increase in cash value of life insurance	732	732	1,996	2,043
Gain on sale of loans	539	606	1,831	2,293
Gain on sale of investment securities	207	961	207	961
Other	237	484	1,875	2,401
Total noninterest income	12,186	12,930	36,650	37,543
Noninterest expense:
Salaries and related benefits	25,823	20,933	68,928	62,320
Other	21,555	16,289	54,482	46,628
Total noninterest expense	47,378	37,222	123,410	108,948
Income before income taxes	22,646	19,027	62,807	59,694
Provision for income taxes	6,476	7,130	17,698	22,129
Net income	$ 16,170	$ 11,897	$ 45,109	$ 37,565
Earnings per share:
Basic	$ 0.54	$ 0.52	$ 1.78	$ 1.64
Diluted	$ 0.53	$ 0.51	$ 1.76	$ 1.62