Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest Income
Loans	$ 32,056	$ 22,016	$ 85,458	$ 56,821
Investment securities:
Trading	1,299	1,300	3,777	4,124
Available for sale	1,541	1,259	4,708	3,175
Federal Home Loan Bank stock	87	80	297	240
Other	2,594	1,351	6,498	3,117
Total interest income	37,577	26,006	100,738	67,477
Interest Expense
Deposits	11,670	5,659	28,427	14,170
Borrowed funds	2,425	1,957	6,515	5,662
Total interest expense	14,095	7,616	34,942	19,832
Net interest income	23,482	18,390	65,796	47,645
Provision for loan losses	617	592	3,021	1,072
Net Interest Income After Provision for Loan Losses	22,865	17,798	62,775	46,573
Noninterest Income
Gain on sale of loans	8,825	7,204	27,548	27,813
Loan servicing fees, net	1,851	(83)	4,084	2,301
Mortgage warehouse fees	778	749	1,948	2,007
Other income	453	186	1,270	652
Total noninterest income	11,907	8,056	34,850	32,773
Noninterest Expense
Salaries and employee benefits	7,842	5,350	21,597	14,417
Loan expenses	1,254	1,119	3,512	3,072
Occupancy and equipment	736	326	2,062	1,080
Professional fees	590	561	1,755	1,091
Deposit insurance expense	269	230	751	704
Technology expense	412	325	996	831
Other expense	1,346	1,031	4,046	2,649
Total noninterest expense	12,449	8,942	34,719	23,844
Income Before Income Taxes	22,323	16,912	62,906	55,502
Provision for income taxes	5,584	6,445	15,454	21,147
Net Income	16,739	10,467	47,452	34,355
Dividends on preferred stock	(833)	(833)	(2,498)	(2,497)
Net Income Allocated to Common Shareholders	$ 15,906	$ 9,634	$ 44,954	$ 31,858
Basic Earnings Per Share (in dollar per share)	$ 0.55	$ 0.45	$ 1.57	$ 1.50
Diluted Earnings Per Share (in dollar per share)	$ 0.55	$ 0.45	$ 1.57	$ 1.50
Weighted-Average Shares Outstanding Basic (in Shares)	28,694,036	21,310,199	28,692,591	21,180,384
Weighted-Average Shares Outstanding Diluted (in Shares)	28,727,822	21,328,237	28,719,740	21,193,857
Dividends Per Share	$ 0.06	$ 0.05	$ 0.18	$ 0.15