Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Interest income:
Loans	$ 41,742	$ 21,035
Mortgage-backed securities	2,660	1,415
Investment securities and other	1,612	623
Total interest income	46,014	23,073
Interest expense:
Deposits	2,781	1,271
Borrowed funds	1,750	1,243
Total interest expense	4,531	2,514
Net interest income	41,483	20,559
Provision for loan losses	700	563
Net interest income after provision for loan losses	40,783	19,996
Other income:
Bankcard services revenue	1,579	851
Wealth management revenue	516	550
Fees and service charges	3,743	1,817
Loan servicing income	64	56
Net gain on sales of loans available-for-sale	42	179
Net loss from other real estate operations	(733)	(406)
Investment securities and other	772	319
Other	12	10
Total other income	5,995	3,376
Operating expenses:
Compensation and employee benefits	16,138	8,466
Occupancy	2,767	1,626
Equipment	1,698	969
Marketing	740	251
Federal deposit insurance	661	529
Data processing	2,396	1,265
Check card processing	953	420
Professional fees	960	498
Other operating expense	2,677	1,277
Amortization of core deposit intangible	524	13
Merger related expenses	1,447	1,402
Total operating expenses	30,961	16,716
Income before provision for income taxes	15,817	6,656
Provision for income taxes	3,799	2,451
Net income	$ 12,018	$ 4,205
Basic earnings per share (in dollars per share)	$ 0.38	$ 0.25
Diluted earnings per share (in dollars per share)	$ 0.36	$ 0.25
Average basic shares outstanding (in usd per share)	31,901	16,906
Average diluted shares outstanding (in usd per share)	33,090	17,118