Consolidated Statements of Income - Unaudited - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Interest income:
Loans receivable	$ 60,362	$ 46,291	$ 173,847	$ 132,185
Loans held for sale	18,737	14,006	50,272	38,428
Investment securities	3,528	2,283	10,875	6,899
Other	1,585	1,156	3,937	4,625
Total interest income	84,212	63,736	238,931	182,137
Interest expense:
Deposits	13,009	9,022	34,365	24,693
Other borrowings	1,642	1,539	4,867	4,523
FHLB advances	3,291	1,556	9,274	5,044
Subordinated debt	1,685	1,685	5,055	5,055
Total interest expense	19,627	13,802	53,561	39,315
Net interest income	64,585	49,934	185,370	142,822
Provision for loan losses	88	2,094	2,854	14,393
Net interest income after provision for loan losses	64,497	47,840	182,516	128,429
Non-interest income:
Interchange and card revenue	11,547	128	13,806	390
Deposit fees	4,218	265	5,260	691
Mortgage warehouse transactional fees	3,080	2,792	8,702	7,864
Bank-owned life insurance	1,386	1,177	3,629	3,407
Gain on sale of loans	1,206	1,131	2,135	3,189
Mortgage loans and banking income	287	167	737	605
Gain (loss) on sale of investment securities	(1)	(16)	25	(85)
Other	5,763	527	6,943	2,236
Total non-interest income	27,486	6,171	41,237	18,297
Non-interest expense:
Salaries and employee benefits	22,681	14,981	58,051	43,381
Technology, communication and bank operations	12,525	2,422	19,021	7,791
Professional services	7,006	2,673	13,213	7,378
FDIC assessments, taxes, and regulatory fees	2,726	3,222	11,191	7,495
Occupancy	2,450	2,169	7,248	6,469
Other real estate owned expense	1,192	1,722	1,663	2,026
Loan workout	592	285	1,497	541
Advertising and promotion	591	330	1,178	1,106
Acquisition related expenses	144	0	1,195	0
Other	6,311	2,503	14,049	7,245
Total non-interest expense	56,218	30,307	128,306	83,432
Income before income tax expense	35,765	23,704	95,447	63,294
Income tax expense	14,576	8,415	37,129	22,497
Net income	21,189	15,289	58,318	40,797
Preferred stock dividends	2,552	980	5,900	1,487
Net income available to common shareholders	$ 18,637	$ 14,309	$ 52,418	$ 39,310
Basic earnings per common share (usd per share)	$ 0.68	$ 0.53	$ 1.93	$ 1.47
Diluted earnings per common share (usd per share)	$ 0.64	$ 0.50	$ 1.81	$ 1.37