Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2020		Dec. 31, 2019
Assets
Cash and due from banks		$ 404,341		$ 358,916
Federal funds sold and securities purchased under reverse repurchase agreements		2,000
Securities available for sale, at fair value (amortized cost: $1,791,852; allowance for credit losses: $0)		1,833,779		1,602,404
Securities held to maturity, net of allowance for credit losses of $0 (fair value: $731,441-2020; $746,202-2019)		704,276		738,099
Loans held for sale (LHFS)		325,389		226,347
Loans held for investment (LHFI)	[1]	9,567,920		9,335,628
Less allowance for credit losses (ACL), LHFI	[1]	100,564		84,277
Net LHFI		9,467,356		9,251,351
Acquired loans	[1]			72,601
Less allowance for loan losses, acquired loans	[1]			815
Net acquired loans				71,786
Net LHFI and acquired loans		9,467,356		9,323,137
Premises and equipment, net		190,179		189,791
Mortgage servicing rights		56,437		79,394
Goodwill		381,717		379,627
Identifiable intangible assets, net		7,537		7,343
Other real estate		24,847		29,248
Operating lease right-of-use assets		30,839		31,182
Other assets		591,132		532,389
Total Assets		14,019,829		13,497,877
Deposits:
Noninterest-bearing		2,977,058		2,891,215
Interest-bearing		8,598,706		8,354,342
Total deposits		11,575,764		11,245,557
Federal funds purchased and securities sold under repurchase agreements		421,821		256,020
Other borrowings		84,230		85,396
ACL on off-balance sheet credit exposures		36,421	[1]	0
Junior subordinated debt securities		61,856		61,856
Operating lease liabilities		32,055		32,354
Other liabilities		155,283		155,992
Total Liabilities		12,367,430		11,837,175
Shareholders' Equity
Common stock, no par value: Authorized: 250,000,000 shares Issued and outstanding: 63,396,912 shares - 2020; 64,200,111 shares - 2019		13,209		13,376
Capital surplus		229,403		256,400
Retained earnings		1,402,089		1,414,526
Accumulated other comprehensive income (loss), net of tax		7,698		(23,600)
Total Shareholders' Equity		1,652,399		1,660,702
Total Liabilities and Shareholders' Equity		$ 14,019,829		$ 13,497,877

[1] Effective January 1, 2020, Trustmark adopted FASB ASU 2016-13 using the modified retrospective approach.  Therefore, prior period balances are presented under legacy GAAP and may not be comparable to current period presentation.