Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest and dividend income:
Interest and fees on loans	$ 52,775	$ 45,280
Interest and dividends on investment securities	6,012	6,526
Dividends on non-marketable securities	423	244
Interest on interest-bearing bank deposits	210	741
Total interest and dividend income	59,420	52,791
Interest expense:
Interest on deposits	6,615	4,634
Interest on borrowings	1,639	510
Total interest expense	8,254	5,144
Net interest income before provision for loan losses	51,166	47,647
Provision for loan losses	1,534	41
Net interest income after provision for loan losses	49,632	47,606
Non-interest income:
Mortgage banking income	6,937	7,971
Bank-owned life insurance income	421	452
Other non-interest income	1,883	1,150
OREO related income	61	390
Total non-interest income	17,051	17,835
Non-interest expense:
Salaries and benefits	27,890	30,672
Occupancy and equipment	6,882	7,955
Telecommunications and data processing	2,290	4,366
Marketing and business development	986	1,224
FDIC deposit insurance	498	753
Bank card expenses	810	2,136
Professional fees	814	2,819
Other non-interest expense	3,173	3,845
Problem asset workout	1,123	781
(Gain) loss on OREO sales, net	(368)	78
Core deposit intangible asset amortization	296	653
Total non-interest expense	44,394	55,282
Income before income taxes	22,289	10,159
Income tax expense	3,367	1,695
Net income	$ 18,922	$ 8,464
Income per share—basic (in dollars per share)	$ 0.61	$ 0.28
Income per share—diluted (in dollars per share)	$ 0.60	$ 0.27
Weighted average number of common shares outstanding:
Basic (Shares)	30,961,187	30,493,689
Diluted (Shares)	31,497,538	31,143,528
Service Charges and other fees
Non-interest income:
Non-interest income	$ 4,321	$ 4,510
Bank card fees
Non-interest income:
Non-interest income	$ 3,428	$ 3,362