Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
INTEREST INCOME
Loans, including fees	$ 66,610	$ 60,558	$ 129,665	$ 117,458
Investment Securities:
Taxable	3,519	2,947	6,948	5,796
Tax-exempt	872	928	1,746	1,848
Dividends	580	481	1,251	963
Total Interest Income	71,581	64,914	139,610	126,065
INTEREST EXPENSE
Deposits	9,166	5,976	17,012	11,355
Borrowings and junior subordinated debt securities	4,012	2,368	7,264	4,261
Total Interest Expense	13,178	8,344	24,276	15,616
NET INTEREST INCOME	58,403	56,570	115,334	110,449
Provision for loan losses	9,345	4,869	11,817	10,052
Net Interest Income After Provision for Loan Losses	49,058	51,701	103,517	100,397
NONINTEREST INCOME
Net gain (loss) on sale of securities	0	3,617	0	3,987
Mortgage banking	831	675	1,432	1,408
Insurance	134	1,458	303	2,913
Gain on sale of a majority interest of insurance business	0	0	1,873	0
Other	2,134	2,048	4,323	4,225
Total Noninterest Income	12,251	16,265	26,044	29,261
NONINTEREST EXPENSE
Salaries and employee benefits	18,611	19,903	37,426	40,444
Net occupancy	2,804	2,751	5,677	5,566
Data processing and information technology	2,379	2,163	4,704	4,386
Furniture, equipment and software	2,134	1,810	4,090	3,857
Other taxes	1,739	1,083	3,587	2,060
Marketing	1,190	948	1,892	1,702
Professional services and legal	888	931	1,939	1,999
FDIC insurance	739	1,185	1,847	2,308
Other	5,379	5,823	10,783	11,084
Total Noninterest Expense	35,863	36,597	71,945	73,406
Income Before Taxes	25,446	31,369	57,616	56,252
Provision for income taxes	4,010	8,604	10,017	15,299
Net Income	$ 21,436	$ 22,765	$ 47,599	$ 40,953
Earnings per share—basic (in dollars per share)	$ 0.62	$ 0.66	$ 1.37	$ 1.18
Earnings per share—diluted (in dollars per share)	0.61	0.65	1.36	1.17
Dividends declared per share (in dollars per share)	$ 0.25	$ 0.20	$ 0.47	$ 0.40
Comprehensive Income	$ 20,444	$ 22,503	$ 35,081	$ 41,879
Debit and credit card
NONINTEREST INCOME
Revenues from contract with customers	3,309	3,042	6,347	5,885
Service charges on deposit accounts
NONINTEREST INCOME
Revenues from contract with customers	3,227	2,997	6,468	6,012
Wealth management
NONINTEREST INCOME
Revenues from contract with customers	$ 2,616	$ 2,428	$ 5,298	$ 4,831