Consolidated Statements of Income - Unaudited - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Interest income:
Loans receivable	$ 59,013	$ 42,801	$ 113,485	$ 85,894
Loans held for sale	17,429	13,522	31,535	24,422
Investment securities	3,638	2,253	7,347	4,616
Other	1,241	1,107	2,352	3,469
Total interest income	81,321	59,683	154,719	118,401
Interest expense:
Deposits	11,142	8,145	21,356	15,671
Other borrowings	1,620	1,496	3,225	2,984
FHLB advances	3,716	1,799	5,984	3,488
Subordinated debt	1,685	1,685	3,370	3,370
Total interest expense	18,163	13,125	33,935	25,513
Net interest income	63,158	46,558	120,784	92,888
Provision for loan losses	786	9,335	2,766	12,299
Net interest income after provision for loan losses	62,372	37,223	118,018	80,589
Non-interest income:
Mortgage warehouse transactional fees	3,074	2,799	5,622	5,072
Interchange and card revenue	1,890	132	2,259	262
Bank-owned life insurance	1,120	1,169	2,243	2,230
Deposit fees	787	247	1,042	426
Gain on sale of loans	285	827	929	2,058
Mortgage loans and banking income	285	287	450	438
Gain (loss) on sale of investment securities	0	(69)	26	(69)
Other	816	1,001	1,180	1,709
Total non-interest income	8,257	6,393	13,751	12,126
Non-interest expense:
Salaries and employee benefits	18,107	14,448	35,370	28,400
FDIC assessments, taxes, and regulatory fees	4,435	995	8,465	4,273
Technology, communication and bank operations	3,854	2,838	6,496	5,369
Professional services	3,636	2,792	6,207	4,705
Occupancy	2,473	2,199	4,798	4,300
Acquisition related expenses	874	0	1,050	0
Loan workout expense (income)	487	(13)	905	256
Advertising and promotion	334	429	587	776
Other real estate owned expense (income)	183	(580)	470	304
Other	3,800	2,552	7,739	4,742
Total non-interest expense	38,183	25,660	72,087	53,125
Income before income tax expense	32,446	17,956	59,682	39,590
Income tax expense	13,016	6,400	22,553	14,082
Net income	19,430	11,556	37,129	25,508
Preferred stock dividends	2,062	507	3,348	507
Net income available to common shareholders	$ 17,368	$ 11,049	$ 33,781	$ 25,001
Basic earnings per common share (usd per share)	$ 0.64	$ 0.41	$ 1.25	$ 0.93
Diluted earnings per common share (usd per share)	$ 0.60	$ 0.39	$ 1.17	$ 0.88