Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

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 as of September 30, 2019 and December 31, 2018 as well as the effect of these derivative instruments on Trustmark’s results of operations for the periods presented ($ in thousands):

	September 30, 2019		December 31, 2018
Derivatives in hedging relationships
Interest rate contracts:
Interest rate swaps included in other assets	$	67	$	625
Derivatives not designated as hedging instruments
Interest rate contracts:
Futures contracts included in other assets	$	—	$	4,445
Exchange traded purchased options included in other assets		438		561
OTC written options (rate locks) included in other assets		2,216		1,187
Interest rate swaps included in other assets		21,625		5,487
Credit risk participation agreements included in other assets		87		42
Futures contracts included in other liabilities		2,426		—
Forward contracts included in other liabilities		392		1,773
Exchange traded written options included in other liabilities		537		66
Interest rate swaps included in other liabilities		1,436		2,369
Credit risk participation agreements included in other liabilities		73		5

Effects of Derivative Instruments on Statements of Operations

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Derivatives in hedging relationships
Amount of gain (loss) reclassified from accumulated other    comprehensive loss and recognized in other interest expense	$	101		$	104		$	413		$	209
Derivatives not designated as hedging instruments
Amount of gain (loss) recognized in mortgage banking, net	$	6,191		$	(1,302	)	$	18,988		$	(9,243	)
Amount of gain (loss) recognized in bank card and other fees		(600	)		(86	)		(1,343	)		(41	)

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):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019			2018
Derivatives in cash flow hedging relationship
Amount of gain (loss) recognized in other comprehensive    income (loss), net of tax	$	14	$	39	$	(109	)	$	458

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 as of September 30, 2019 and December 31, 2018 is presented in the following tables ($ in thousands):

Offsetting of Derivative Assets
As of September 30, 2019
							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	$	21,692	$	—	$	21,692	$	(67	)	$	—	$	21,625

Offsetting of Derivative Liabilities
As of September 30, 2019
							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	$	1,436	$	—	$	1,436	$	(67	)	$	(1,640	)	$	(271	)

Offsetting of Derivative Assets
As of December 31, 2018
							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	$	6,112	$	—	$	6,112	$	(339	)	$	(620	)	$	5,153

Offsetting of Derivative Liabilities
As of December 31, 2018
							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	$	2,369	$	—	$	2,369	$	(339	)	$	—	$	2,030