Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Assets
Cash and due from banks (noninterest-bearing)		$ 379,590	$ 327,706
Federal funds sold and securities purchased under reverse repurchase agreements		500	500
Securities available for sale (at fair value)		2,365,554	2,356,682
Securities held to maturity (fair value: $1,154,415-2017; $1,157,046-2016)		1,156,067	1,158,643
Loans held for sale (LHFS)		174,090	175,927
Loans held for investment (LHFI)	[1]	8,004,657	7,851,213
Less allowance for loan losses, LHFI		72,445	71,265
Net LHFI		7,932,212	7,779,948
Acquired loans		218,242	272,247
Less allowance for loan losses, acquired loans		10,006	11,397
Net acquired loans		208,236	260,850
Net LHFI and acquired loans		8,140,448	8,040,798
Premises and equipment, net		183,311	184,987
Mortgage servicing rights		82,758	80,239
Goodwill		366,156	366,156
Identifiable intangible assets		19,117	20,680
Other real estate		55,968	62,051
Other assets		566,802	577,964
Total Assets		13,490,361	13,352,333
Deposits:
Noninterest-bearing		3,209,727	2,973,238
Interest-bearing		6,894,745	7,082,774
Total deposits		10,104,472	10,056,012
Federal funds purchased and securities sold under repurchase agreements		524,335	539,817
Short-term borrowings		864,690	769,778
Long-term FHLB advances		250,994	251,049
Junior subordinated debt securities		61,856	61,856
Other liabilities		146,053	153,613
Total Liabilities		11,952,400	11,832,125
Shareholders' Equity
Common stock, no par value: Authorized: 250,000,000 shares Issued and outstanding: 67,729,434 shares - 2017; 67,628,618 shares - 2016		14,112	14,091
Capital surplus		365,951	366,563
Retained earnings		1,200,903	1,185,352
Accumulated other comprehensive loss, net of tax		(43,005)	(45,798)
Total Shareholders' Equity		1,537,961	1,520,208
Total Liabilities and Shareholders' Equity		$ 13,490,361	$ 13,352,333

[1] During the first quarter of 2017, Trustmark reclassified $36.7 million of acquired loans not accounted for under Financial Accounting Standards Board (FASB) Accounting Standard Codification (ASC) Topic 310-30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality” to LHFI due to the discount on these loans being fully amortized.