CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest income:
Interest and fees on loans	$ 41,236	$ 36,187	$ 81,833	$ 61,331
Interest and dividends on investment securities:
Taxable interest income	4,047	3,576	7,650	7,187
Non-taxable interest income	726	775	1,453	1,544
Total interest income	46,009	40,538	90,936	70,062
Interest expense:
Deposits	2,163	1,792	4,207	2,899
Federal funds purchased and securities sold under agreements to repurchase	204	90	327	172
Short-term borrowings	27	185	74	198
Long-term debt	167	57	280	100
Senior notes	162		162
Subordinated notes	299		299
Junior subordinated debt owed to unconsolidated trusts	621	462	1,208	799
Total interest expense	3,643	2,586	6,557	4,168
Net interest income	42,366	37,952	84,379	65,894
Provision for loan losses	500	1,100	1,000	2,100
Net interest income after provision for loan losses	41,866	36,852	83,379	63,794
Non-interest income:
Trust fees	5,827	5,045	12,017	10,592
Commissions and brokers' fees, net	751	687	1,473	1,355
Remittance processing	2,859	2,830	5,704	5,755
Fees for customer services	6,095	5,873	12,081	10,579
Mortgage revenue	2,770	3,369	4,904	4,249
Security (losses) gains ,net	(4)	152	853	1,219
Other	1,764	621	3,044	1,674
Total non-interest income	20,062	18,577	40,076	35,423
Non-interest expense:
Salaries, wages and employee benefits	20,061	18,493	41,951	33,859
Net occupancy expense of premises	3,126	2,732	6,311	4,899
Furniture and equipment expenses	1,719	1,644	3,338	2,728
Data processing	3,939	5,015	7,537	8,247
Amortization of intangible assets	1,182	1,109	2,389	1,875
Regulatory expense	433	884	1,025	1,472
Other	6,308	6,471	11,836	10,956
Total non-interest expense	36,768	36,348	74,387	64,036
Income before income taxes	25,160	19,081	49,068	35,181
Income taxes	8,681	6,698	17,419	12,364
Net income	$ 16,479	$ 12,383	$ 31,649	$ 22,817
Basic earnings per common share (in dollars per share)	$ 0.43	$ 0.35	$ 0.83	$ 0.72
Diluted earnings per common share (in dollars per share)	0.43	0.35	0.82	0.71
Dividends declared per share of common stock (in dollars per share)	$ 0.18	$ 0.17	$ 0.36	$ 0.34