Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value of Derivative Instruments

The following tables disclose the fair value of derivative instruments in Trustmark’s consolidated balance sheets at December 31, 2021 and 2020 as well as the effect of these derivative instruments on Trustmark’s results of operations for the periods presented ($ in thousands):

	December 31,
	2021		2020
Derivatives not designated as hedging instruments
Interest rate contracts:
Futures contracts included in other assets	$	2,356	$	—
Exchange traded purchased options included in other assets		438		145
OTC written options (rate locks) included in other assets		1,859		9,560
Interest rate swaps included in other assets (1)		20,115		37,974
Credit risk participation agreements included in other assets		41		89
Futures contracts included in other liabilities		—		34
Forward contracts included in other liabilities		81		3,145
Exchange traded written options included in other liabilities		414		632
Interest rate swaps included in other liabilities (1)		4,144		1,313
Credit risk participation agreements included in other liabilities		38		200

(1)In accordance with GAAP, the variation margin collateral payments made or received for interest rate swaps that are centrally cleared are legally characterized as settled. As a result, the centrally cleared interest rate swaps included in other assets and other liabilities are presented on a net basis in the accompanying consolidated balance sheets.

Effects of Derivative Instruments on Statements of Operations

	Years Ended December 31,
	2021			2020			2019
Derivatives in hedging relationships
Amount of gain (loss) reclassified from accumulated other    comprehensive income (loss) and recognized in other    interest expense	$	—		$	—		$	479
Derivatives not designated as hedging instruments
Amount of gain (loss) recognized in mortgage banking, net	$	(15,436	)	$	39,436		$	11,096
Amount of gain (loss) recognized in bank card and other fees		1,649			(1,022	)		(776	)

Schedule of Amount Included in Other Comprehensive Income for Derivative Instruments Designated as Hedges of Cash Flows

The following table discloses the amount included in other comprehensive income (loss), net of tax, for derivative instruments designated as cash flow hedges for the periods presented ($ in thousands):

	Years Ended December 31,
	2021		2020		2019
Derivatives in cash flow hedging relationship
Amount of gain (loss) recognized in other comprehensive    income (loss), net of tax	$	—	$	—	$	(109	)

Information about Financial Instruments that are Eligible for Offset in the Consolidated Balance Sheets

Information about financial instruments that are eligible for offset in the consolidated balance sheets at December 31, 2021 and 2020 is presented in the following tables ($ in thousands):

Offsetting of Derivative Assets
As of December 31, 2021
							Gross Amounts Not Offset in the Statement of Financial Position
	Gross Amounts of Recognized Assets		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets presented in the Statement of Financial Position		Financial Instruments		Cash Collateral Received		Net Amount
Derivatives	$	20,115	$	—	$	20,115	$	55	$	—	$	20,170

Offsetting of Derivative Liabilities
As of December 31, 2021
							Gross Amounts Not Offset in the Statement of Financial Position
	Gross Amounts of Recognized Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Liabilities presented in the Statement of Financial Position		Financial Instruments		Cash Collateral Posted			Net Amount
Derivatives	$	4,144	$	—	$	4,144	$	55	$	(850	)	$	3,349

Offsetting of Derivative Assets
As of December 31, 2020
							Gross Amounts Not Offset in the Statement of Financial Position
	Gross Amounts of Recognized Assets		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets presented in the Statement of Financial Position		Financial Instruments		Cash Collateral Received		Net Amount
Derivatives	$	37,974	$	—	$	37,974	$	—	$	—	$	37,974

Offsetting of Derivative Liabilities
As of December 31, 2020
							Gross Amounts Not Offset in the Statement of Financial Position
	Gross Amounts of Recognized Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Liabilities presented in the Statement of Financial Position		Financial Instruments		Cash Collateral Posted			Net Amount
Derivatives	$	1,313	$	—	$	1,313	$	—	$	(1,313	)	$	—