Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018		Sep. 30, 2019	Sep. 30, 2018
Interest Income
Interest and fees on LHFS & LHFI	$ 113,285	$ 102,980		$ 331,820	$ 291,362
Interest and fees on acquired loans	2,309	4,033		6,235	13,932
Interest on securities:
Taxable	13,184	16,186		41,765	50,586
Tax exempt	383	518		1,329	1,748
Interest on federal funds sold and securities purchased under reverse repurchase agreements	23	3		239	10
Other interest income	1,044	1,050		4,467	3,038
Total Interest Income	130,228	124,770		385,855	360,676
Interest Expense
Interest on deposits	20,385	14,972		61,455	36,602
Interest on federal funds purchased and securities sold under repurchase agreements	547	1,348		916	3,260
Other interest expense	830	1,467		2,486	6,574
Total Interest Expense	21,762	17,787		64,857	46,436
Net Interest Income	108,466	106,983		320,998	314,240
Provision for loan losses, LHFI	3,039	8,673		7,136	15,801
Provision for loan losses, acquired loans	(140)	(467)		44	(758)
Net Interest Income After Provision for Loan Losses	105,567	98,777		313,818	299,197
Noninterest Income
Service charges on deposit accounts	11,065	11,075	[1]	31,709	32,579	[1]
Bank card and other fees	8,349	7,459	[1]	23,544	21,155	[1]
Mortgage banking, net	8,171	8,647	[1]	21,908	28,958	[1]
Insurance commissions	11,072	10,765	[1]	33,032	30,919	[1]
Wealth management	7,691	7,789	[1]	22,916	22,834	[1]
Other, net	1,989	1,358	[1]	6,358	4,832	[1]
Total Noninterest Income	48,337	47,093	[1]	139,467	141,277	[1]
Noninterest Expense
Salaries and employee benefits	62,495	60,847		185,398	179,297
Services and fees	18,838	16,404		53,815	48,472
Net occupancy - premises	6,831	6,910		19,688	19,962
Equipment expense	5,971	6,200		17,853	18,501
Other real estate expense, net	531	1,168		2,415	1,941
FDIC assessment expense	1,400	1,999		4,994	7,532
Other expense	10,787	11,695		34,812	35,783
Total Noninterest Expense	106,853	105,223		318,975	311,488
Income Before Income Taxes	47,051	40,647		134,310	128,986
Income taxes	6,016	4,394		17,796	16,090
Net Income	$ 41,035	$ 36,253		$ 116,514	$ 112,896
Earnings Per Share
Basic	$ 0.64	$ 0.54		$ 1.80	$ 1.67
Diluted	$ 0.64	$ 0.54		$ 1.80	$ 1.67

[1] During the first quarter of 2019, Trustmark revised the composition of its operating segments by moving the Private Banking Group from the General Banking Segment to the Wealth Management Segment as a result of a change in supervision of this group for segment reporting purposes.  The prior period amounts presented include reclassifications to conform to the current period presentation.