$TRMK
Trustmark Corp Stock $trmk

$trmk Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-K Financial Statement

#000156459016013066 Filed on February 23, 2016

Income Statement

Concept	2014 Q4	2014	2013 Q4
Revenue		$426.9M
YoY Change		3.03%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$9.000M	$36.10M	$9.400M
YoY Change	-4.26%	-2.96%	23.68%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net		$614.0K
YoY Change		-107.7%
Pretax Income	$36.70M	$162.1M	$33.50M
YoY Change	9.55%	5.26%	-7.97%
Income Tax	$8.700M	$38.53M	$5.400M
% Of Pretax Income	23.71%	23.77%	16.12%
Net Earnings	$28.10M	$123.6M	$28.00M
YoY Change	0.36%	5.55%	1.08%
Net Earnings / Revenue		28.95%
Basic Earnings Per Share		$1.83
Diluted Earnings Per Share	$416.9K	$1.83	$415.4K
COMMON SHARES
Basic Shares Outstanding		67.43M
Diluted Shares Outstanding		67.59M

Balance Sheet

Concept	2014 Q4	2014	2013 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$316.0M		$345.8M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$200.8M	$201.0M	$207.0M
YoY Change	-3.0%	-2.9%	33.55%
Goodwill	$365.5M		$372.9M
YoY Change	-1.97%
Intangibles	$33.23M
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$12.25B	$12.25B	$11.79B
YoY Change	3.91%	3.91%	19.95%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$425.1M	$512.0M	$318.0M
YoY Change	33.67%	62.03%	-15.43%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$869.0M	$512.0M	$318.0M
YoY Change	173.27%	62.03%	-15.43%
LONG-TERM LIABILITIES
Long-Term Debt	$112.0M	$112.0M	$112.0M
YoY Change	0.0%	0.0%	0.0%
Other Long-Term Liabilities	$151.0M	$151.0M	$137.0M
YoY Change	10.22%	10.22%	-12.74%
Total Long-Term Liabilities	$263.0M	$263.0M	$249.0M
YoY Change	5.62%	5.62%	-7.43%
TOTAL LIABILITIES
Total Short-Term Liabilities	$869.0M	$512.0M	$318.0M
Total Long-Term Liabilities	$263.0M	$263.0M	$249.0M
Total Liabilities	$10.83B	$10.83B	$10.44B
YoY Change	3.79%	3.79%	22.18%
SHAREHOLDERS EQUITY
Retained Earnings	$1.092B
YoY Change
Common Stock	$370.3M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.420B	$1.420B	$1.355B
YoY Change
Total Liabilities & Shareholders Equity	$12.25B	$12.25B	$11.79B
YoY Change	3.91%	3.91%	19.95%

Cashflow Statement

Concept	2014 Q4	2014	2013 Q4
OPERATING ACTIVITIES
Net Income	$28.10M	$123.6M	$28.00M
YoY Change	0.36%	5.55%	1.08%
Depreciation, Depletion And Amortization	$9.000M	$36.10M	$9.400M
YoY Change	-4.26%	-2.96%	23.68%
Cash From Operating Activities	$51.70M	$211.3M	$149.9M
YoY Change	-65.51%	-29.85%	65.09%
INVESTING ACTIVITIES
Capital Expenditures	-$3.800M	$12.39M	-$3.100M
YoY Change	22.58%	-22.52%	-34.04%
Acquisitions
YoY Change
Other Investing Activities	-$74.50M	-$543.9M	-$106.9M
YoY Change	-30.31%	123.83%	409.05%
Cash From Investing Activities	-$78.40M	-$556.3M	-$110.0M
YoY Change	-28.73%	114.79%	328.02%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	105.1M	315.2M	-29.80M
YoY Change	-452.68%	337.17%	-30.37%
NET CHANGE
Cash From Operating Activities	51.70M	211.3M	149.9M
Cash From Investing Activities	-78.40M	-556.3M	-110.0M
Cash From Financing Activities	105.1M	315.2M	-29.80M
Net Change In Cash	78.40M	-29.80M	10.10M
YoY Change	676.24%	-126.07%	-54.71%
FREE CASH FLOW
Cash From Operating Activities	$51.70M	$211.3M	$149.9M
Capital Expenditures	-$3.800M	$12.39M	-$3.100M
Free Cash Flow	$55.50M	$198.9M	$153.0M
YoY Change	-63.73%	-30.26%	60.21%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2015	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-12-31
CY2015Q2	dei	Entity Public Float EntityPublicFloat	1124000000
CY2016Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	67610426
CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Document Type DocumentType	10-K
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CY2015Q4	trmk	Loans And Leases Receivable Carrying Amount Not Covered LoansAndLeasesReceivableCarryingAmountNotCovered	372711000
CY2015	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4323000
CY2013	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1466000
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	154000
CY2015	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	1371000
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	155000
CY2014	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	559000
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-2252000
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	13374000
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1524000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67434000
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	142000
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	160000
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67692000
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67594000
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1000
CY2014	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	32000
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	14520000
CY2015	trmk	Average Reserve Balances With Federal Reserve Bank AverageReserveBalancesWithFederalReserveBank	82100000
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	391765000
CY2014	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	405336000
CY2014	trmk	Provision Reversal For Loan Losses Loans Held For Investment ProvisionReversalForLoanLossesLoansHeldForInvestment	1211000
CY2013	trmk	Provision Reversal For Loan Losses Loans Held For Investment ProvisionReversalForLoanLossesLoansHeldForInvestment	-13421000
CY2015	us-gaap	Interest Expense InterestExpense	20460000
CY2013	trmk	Provision For Loan Losses Acquired Loans ProvisionForLoanLossesAcquiredLoans	6039000
CY2013	us-gaap	Interest Expense Deposits InterestExpenseDeposits	19718000
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CY2015	trmk	Provision Reversal For Loan Losses Loans Held For Investment ProvisionReversalForLoanLossesLoansHeldForInvestment	8375000
CY2014	trmk	Provision For Loan Losses Acquired Loans ProvisionForLoanLossesAcquiredLoans	6171000
CY2015	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	274433000
CY2014	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	263582000
CY2014	trmk	Interest And Fees On Acquired Loans InterestAndFeesOnAcquiredLoans	76736000
CY2015	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	80730000
CY2014	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	80148000
CY2014	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4869000
CY2013	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	31000
CY2015	trmk	Interest And Fees On Acquired Loans InterestAndFeesOnAcquiredLoans	51152000
CY2013	trmk	Interest And Fees On Acquired Loans InterestAndFeesOnAcquiredLoans	76336000
CY2013	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	72818000
CY2013	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	5145000
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CY2013	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.92
CY2015	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	94000
CY2014	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	156000
CY2013	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	531000
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CY2014Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1885000
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CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	69616000
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CY2015Q4	trmk	Loans And Leases Receivable Net Reported Amount Acquired LoansAndLeasesReceivableNetReportedAmountAcquired	378419000
CY2015Q4	trmk	Loans And Leases Receivable Net Lhfi And Net Acquired Loans LoansAndLeasesReceivableNetLHFIAndNetAcquiredLoans	7402185000
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	195656000
CY2015Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	74007000
CY2015Q4	us-gaap	Goodwill Goodwill	366156000
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CY2014	us-gaap	Other Noninterest Expense OtherNoninterestExpense	53867000
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CY2013	trmk	General Banking Other GeneralBankingOther	35961000
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CY2013	trmk	Mortgage Banking Income MortgageBankingIncome	33504000
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CY2013	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	30826000
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CY2014	trmk	Mortgage Servicing Rights Net MortgageServicingRightsNet	12293000
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CY2014	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-16337000
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	171887000
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	211267000
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CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	405186000
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	56814000
CY2015	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	107679000
CY2014	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	90114000
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	504920000
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	631713000
CY2015	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	-648000
CY2014	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	0
CY2015	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	1635000
CY2015	trmk	Decrease Increase In Member Bank Stock DecreaseIncreaseInMemberBankStock	18480000
CY2014	trmk	Decrease Increase In Member Bank Stock DecreaseIncreaseInMemberBankStock	0
CY2015	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	528050000
CY2014	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	437240000
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12757000
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12389000
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3061000
CY2014	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4641000
CY2015	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	48898000
CY2014	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	48119000
CY2015	us-gaap	Payments For Software PaymentsForSoftware	8741000
CY2014	us-gaap	Payments For Software PaymentsForSoftware	0
CY2015	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	4578000
CY2014	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	5435000
CY2015	trmk	Distributions Received For Other Investments DistributionsReceivedForOtherInvestments	0
CY2014	trmk	Distributions Received For Other Investments DistributionsReceivedForOtherInvestments	7037000
CY2015	trmk	Excess Tax Expense Benefit From Share Based Compensation Financing Activities ExcessTaxExpenseBenefitFromShareBasedCompensationFinancingActivities	-211000
CY2014	trmk	Excess Tax Expense Benefit From Share Based Compensation Financing Activities ExcessTaxExpenseBenefitFromShareBasedCompensationFinancingActivities	-195000
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	317168000
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	315200000
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-38222000
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-29788000
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	315973000
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	345761000
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	231489000
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	16321000
CY2015Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	42460000
CY2013	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-207000
CY2013	trmk	Decrease Increase In Member Bank Stock DecreaseIncreaseInMemberBankStock	0
CY2013	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-18266000
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15989000
CY2013	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	46267000
CY2013	us-gaap	Payments For Software PaymentsForSoftware	0
CY2013	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	45766000
CY2015	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-110128000
CY2014	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-161544000
CY2015	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-2501000
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	62605000
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	62474000
CY2015	us-gaap	Derivatives Reporting Of Derivative Activity DerivativesReportingOfDerivativeActivity	<div> <p style="text-align:justify;margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Derivative Financial Instruments</p> <p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Trustmark maintains an overall interest rate risk management strategy that incorporates the use of derivative instruments to minimize significant unplanned fluctuations in earnings and cash flows caused by interest rate volatility.  Trustmark’s interest rate risk management strategy involves modifying the repricing characteristics of certain assets and liabilities so that changes in interest rates do not adversely affect the net interest margin and cash flows.  Under the guidelines of FASB ASC Topic 815, “Derivatives and Hedging,” all derivative instruments are required to be recognized as either assets or liabilities and carried at fair value on the balance sheet.  The fair value of derivative positions outstanding is included in other assets and/or other liabilities in the accompanying consolidated balance sheets and in the net change in these financial statement line items in the accompanying consolidated statements of cash flows as well as included in noninterest income in the accompanying consolidated statements of income and other comprehensive income (loss), net of tax in the accompanying consolidated statements of comprehensive income.  Trustmark’s interest rate swap derivative instruments are subject to master netting agreements, and therefore, eligible for offsetting in the consolidated balance sheets.  Trustmark has elected to not offset any derivative instruments in its consolidated balance sheets.</p> <p style="text-align:justify;margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-style:italic;font-family:Times New Roman;font-size:10pt;font-weight:normal;text-transform:none;font-variant: normal;">Derivatives Designated as Hedging Instruments</p> <p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">During 2013, Trustmark entered into a forward interest rate swap contract on its junior subordinated debentures, with the objective of protecting the quarterly interest payments from the risk of variability of those payments resulting from changes in the three-month LIBOR interest rate for the five-year period beginning December 31, 2014 and ending December 31, 2019.  This derivative instrument was designated as a cash flow hedge under FASB ASC Topic 815.  Any accumulated net after-tax gains related to effective cash flow hedge are included in accumulated other comprehensive loss.  Any ineffective portion of the interest rate swap is reclassified from accumulated other comprehensive loss to noninterest expense in the consolidated statements of income for the relevant periods.  Beginning December 31, 2014, the effective date of the interest rate swap, amounts reported in accumulated other comprehensive loss related to this derivative will be reclassified to other interest expense as interest payments are made on Trustmark’s variable rate junior subordinated debentures.</p> <p style="text-align:justify;margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-style:italic;font-family:Times New Roman;font-size:10pt;font-weight:normal;text-transform:none;font-variant: normal;">Derivatives not Designated as Hedging Instruments</p> <p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Trustmark utilizes a portfolio of exchange-traded derivative instruments, such as Treasury note futures contracts and option contracts, to achieve a fair value return that economically hedges changes in fair value of MSR attributable to interest rates. These transactions are considered freestanding derivatives that do not otherwise qualify for hedge accounting.  These exchange-traded derivative instruments are accounted for at fair value with changes in the fair value recorded in noninterest income in mortgage banking, net and are offset by changes in the fair value of the MSR.  The MSR fair value represents the present value of future cash flows, which among other things includes decay and the effect of changes in interest rates.  Ineffectiveness of hedging the MSR fair value is measured by comparing the change in value of hedge instruments to the change in the fair value of the MSR asset attributable to changes in interest rates and other market driven changes in valuation inputs and assumptions.</p> <p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">As part of Trustmark’s risk management strategy in the mortgage banking area, derivative instruments such as forward sales contracts are utilized.  Trustmark’s obligations under forward contracts consist of commitments to deliver mortgage loans, originated and/or purchased, in the secondary market at a future date.  On October 1, 2014, Trustmark elected to account for its mortgage LHFS under the fair value option in order to reduce the accounting volatility of related hedges.  As a result of this election, the forward sales contracts no longer qualify as derivative instruments designated as fair value hedges under FASB ASC Topic 815.  Changes in the fair value of these derivative instruments are recorded in noninterest income in mortgage banking, net and are offset by changes in the fair value of LHFS.  See Note 1 – Significant Accounting Policies, “Loans Held for Sale (LHFS)” for information regarding the fair value option election.</p> <p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Trustmark also utilizes derivative instruments such as interest rate lock commitments in its mortgage banking area.  Rate lock commitments are residential mortgage loan commitments with customers, which guarantee a specified interest rate for a specified time period.  Changes in the fair value of these derivative instruments are recorded in noninterest income in mortgage banking, net and are offset by the changes in the fair value of forward sales contracts.</p> <p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Trustmark offers certain derivatives products directly to qualified commercial lending clients seeking to manage their interest rate risk.  Trustmark economically hedges interest rate swap transactions executed with commercial lending clients by entering into offsetting interest rate swap transactions with institutional derivatives market participants.  Derivative transactions executed as part of this program are not designated as qualifying hedging relationships and are, therefore, carried at fair value with the change in fair value recorded in noninterest income in bank card and other fees.  Because these derivatives have mirror-image contractual terms, in addition to collateral provisions which mitigate the impact of non-performance risk, the changes in fair value are expected to substantially offset.</p></div>
CY2014Q4	trmk	Financing Receivable Post Modification Recorded Investment Related Allowance FinancingReceivablePostModificationRecordedInvestmentRelatedAllowance	1700000
CY2013Q4	trmk	Financing Receivable Post Modification Recorded Investment Related Allowance FinancingReceivablePostModificationRecordedInvestmentRelatedAllowance	1600000
CY2015	trmk	Financing Receivable Post Modification Recorded Investment Related Write Offs FinancingReceivablePostModificationRecordedInvestmentRelatedWriteOffs	806000
CY2014	trmk	Financing Receivable Post Modification Recorded Investment Related Write Offs FinancingReceivablePostModificationRecordedInvestmentRelatedWriteOffs	75000
CY2013	trmk	Financing Receivable Post Modification Recorded Investment Related Write Offs FinancingReceivablePostModificationRecordedInvestmentRelatedWriteOffs	816000
CY2014Q4	trmk	Loans And Leases Receivable Carrying Amount Not Covered LoansAndLeasesReceivableCarryingAmountNotCovered	525783000
CY2015Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount Covered LoansAndLeasesReceivableGrossCarryingAmountCovered	17700000
CY2014Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount Covered LoansAndLeasesReceivableGrossCarryingAmountCovered	23626000
CY2015Q4	trmk	Loans And Leases Receivable Allowance For Acquired Loans LoansAndLeasesReceivableAllowanceForAcquiredLoans	11992000
CY2014Q4	trmk	Loans And Leases Receivable Allowance For Acquired Loans LoansAndLeasesReceivableAllowanceForAcquiredLoans	12059000
CY2014Q4	trmk	Loans And Leases Receivable Net Reported Amount Acquired LoansAndLeasesReceivableNetReportedAmountAcquired	537350000
CY2014Q4	trmk	Loans And Leases Receivable Net Lhfi And Net Acquired Loans LoansAndLeasesReceivableNetLHFIAndNetAcquiredLoans	6917203000
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	200781000
CY2014Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	64358000
CY2014Q4	us-gaap	Goodwill Goodwill	365500000
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	27546000
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	33234000
CY2015Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	77177000
CY2014Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	92509000
CY2015Q4	trmk	Other Real Estate And Foreclosed Assets Covered OtherRealEstateAndForeclosedAssetsCovered	1651000
CY2014Q4	trmk	Other Real Estate And Foreclosed Assets Covered OtherRealEstateAndForeclosedAssetsCovered	6060000
CY2015Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	738000
CY2014Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	6997000
CY2015Q4	us-gaap	Other Assets OtherAssets	562350000
CY2014Q4	us-gaap	Other Assets OtherAssets	568685000
CY2015Q4	us-gaap	Assets Assets	12678896000
CY2015Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2998694000
CY2015Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	6589536000
CY2015Q4	us-gaap	Deposits Deposits	9588230000
CY2015Q4	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	441042000
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	412617000
CY2015Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	501155000
CY2015Q4	us-gaap	Subordinated Debt SubordinatedDebt	49969000
CY2015Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	61856000
CY2015Q4	us-gaap	Other Liabilities OtherLiabilities	150970000
CY2015Q4	us-gaap	Liabilities Liabilities	11205839000
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	14076000
CY2015Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	361467000
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1142908000
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-45394000
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1473057000
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12678896000
CY2015Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1195367000
CY2015Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	67559128
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	67559128
CY2015	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	8000
CY2015	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1579000
CY2014	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	426882000
CY2013	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	414346000
CY2015	trmk	Provision For Loan Losses Acquired Loans ProvisionForLoanLossesAcquiredLoans	3425000
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	379965000
CY2014	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	397954000
CY2015	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	47366000
CY2015	trmk	General Banking Other GeneralBankingOther	28298000
CY2015	trmk	Mortgage Banking Income MortgageBankingIncome	30176000
CY2015	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	36424000
CY2015	trmk	Wealth Management Income WealthManagementIncome	31369000
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-484000
CY2014	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	300000
CY2015	us-gaap	Noninterest Income NoninterestIncome	173149000
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	230198000
CY2015	trmk	Services And Fees ServicesAndFees	57534000
CY2014	trmk	Services And Fees ServicesAndFees	56598000
CY2015	us-gaap	Occupancy Net OccupancyNet	25318000
CY2015	us-gaap	Equipment Expense EquipmentExpense	23859000
CY2015	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	4903000
CY2014	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	11321000
CY2013	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	15039000
CY2015	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	10728000
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	49122000
CY2015	us-gaap	Noninterest Expense NoninterestExpense	401662000
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	151452000
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35414000
CY2015	us-gaap	Net Income Loss NetIncomeLoss	116038000
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.72
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.83
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.71
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.83
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.75
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-10309000
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	10933000
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-41456000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	185000
CY2015	trmk	Other Comprehensive Income Loss Transfers From Available For Sale To Held To Maturity Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromAvailableForSaleToHeldToMaturitySecuritiesNetOfTax	3918000
CY2014	trmk	Other Comprehensive Income Loss Transfers From Available For Sale To Held To Maturity Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromAvailableForSaleToHeldToMaturitySecuritiesNetOfTax	3711000
CY2013	trmk	Other Comprehensive Income Loss Transfers From Available For Sale To Held To Maturity Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromAvailableForSaleToHeldToMaturitySecuritiesNetOfTax	-28642000
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	154000
CY2014	trmk	Other Comprehensive Income Loss Finalization Of Pension And Other Postretirement Benefit Plan Settlement Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndOtherPostretirementBenefitPlanSettlementNetOfTax	837000
CY2013	trmk	Other Comprehensive Income Loss Finalization Of Pension And Other Postretirement Benefit Plan Settlement Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndOtherPostretirementBenefitPlanSettlementNetOfTax	0
CY2013	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	1374000
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-20218000
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-812000
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-1387000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-516000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	1000
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2910000
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1247000
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	113128000
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	124809000
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	69934000
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	1287369000
CY2013	us-gaap	Dividends Common Stock DividendsCommonStock	62276000
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2832000
CY2013	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	53495000
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Other Longterm Incentive Plans Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition	3599000
CY2014	us-gaap	Dividends Common Stock DividendsCommonStock	62474000
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1500000
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Other Longterm Incentive Plans Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition	4152000
CY2015	us-gaap	Dividends Common Stock DividendsCommonStock	62605000
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1074000
CY2015	trmk	Provision Reversal For Loan Lease And Other Losses ProvisionReversalForLoanLeaseAndOtherLosses	11800000
CY2015	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	37056000
CY2015	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-7793000
CY2015	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0
CY2014	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	300000
CY2013	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	485000
CY2013	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	26422000
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	21163000
CY2013	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1383967000
CY2013	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1270460000
CY2013	trmk	Mortgage Servicing Rights Net MortgageServicingRightsNet	18481000
CY2013	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1446000
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-28794000
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-4886000
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-54885000
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	6608000
CY2013	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2319000
CY2013	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-7523000
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	301183000
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	13374000
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	766858000
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	227930000
CY2013	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	35045000
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1227860000
CY2013	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	100000000
CY2014	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	5368000
CY2013	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4168000
CY2013	trmk	Distributions Received For Other Investments DistributionsReceivedForOtherInvestments	0
CY2015	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0
CY2014	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0
CY2013	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	89037000
CY2015	trmk	Purchase Of Insurance Book Of Business PurchaseOfInsuranceBookOfBusiness	2787000
CY2014	trmk	Purchase Of Insurance Book Of Business PurchaseOfInsuranceBookOfBusiness	0
CY2013	trmk	Purchase Of Insurance Book Of Business PurchaseOfInsuranceBookOfBusiness	0
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-527277000
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-556255000
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-258967000
CY2013	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	223131000
CY2014	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	191956000
CY2013	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-37242000
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-7293000
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	348920000
CY2013	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-20858000
CY2015	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	500000000
CY2014	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	0
CY2013	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	0
CY2015	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0
CY2014	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0
CY2013	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	33000000
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	62276000
CY2015	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	0
CY2014	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	-1307000
CY2013	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	3640000
CY2013	trmk	Excess Tax Expense Benefit From Share Based Compensation Financing Activities ExcessTaxExpenseBenefitFromShareBasedCompensationFinancingActivities	-808000
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	72056000
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	114272000
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	277751000
CY2015	us-gaap	Nature Of Operations NatureOfOperations	<div> <p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Business</p> <p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Trustmark Corporation (Trustmark) is a bank holding company headquartered in Jackson, Mississippi.  Through its subsidiaries, Trustmark operates as a financial services organization providing banking and financial solutions to corporate institutions and individual customers through 200 offices in Alabama, Florida, Mississippi, Tennessee and Texas.</p></div>
CY2014Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2352013000
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	20164000
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	34131000
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14304000
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	11577000
CY2015Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	13504000
CY2014Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	15156000
CY2015Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	5955000
CY2014Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	2995000
CY2013Q4	trmk	Reclassification Of Available For Sale To Held To Maturity Securities ReclassificationOfAvailableForSaleToHeldToMaturitySecurities	1099000000
CY2015	us-gaap	Revenue Recognition Services Commissions RevenueRecognitionServicesCommissions	<div> <p style="margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Insurance Commissions</p> <p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Commission revenue is recognized as of the effective date of the insurance policy or the date the customer is billed, whichever is later.  Trustmark also receives contingent commissions from insurance companies as additional incentive for achieving specified premium volume goals and/or the loss experience of the insurance placed by Trustmark.  Contingent commissions from insurance companies are recognized throughout the calendar year using reasonable estimates that are continuously reviewed and revised to reflect current experience.  Trustmark maintains reserves for commission adjustments and doubtful accounts receivable which were not considered significant at December 31, 2015 or 2014.</p></div>
CY2013Q4	trmk	Other Comprehensive Income Loss Unrealized Holding Gain Loss On Securities Arising During Period Before Tax At Date Of Transfer OtherComprehensiveIncomeLossUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTaxAtDateOfTransfer	-46600000
CY2013Q4	trmk	Other Comprehensive Income Loss Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax At Date Of Transfer OtherComprehensiveIncomeLossUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxAtDateOfTransfer	-28800000
CY2015Q4	trmk	Accumulated Other Comprehensive Income Loss Transferred Securities Adjustment AccumulatedOtherComprehensiveIncomeLossTransferredSecuritiesAdjustment	-34000000
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-21000000
CY2015Q4	trmk	Estimated Fair Value Less Than12 Months EstimatedFairValueLessThan12Months	1506669000
CY2014Q4	trmk	Estimated Fair Value Less Than12 Months EstimatedFairValueLessThan12Months	590965000
CY2014Q1	us-gaap	Goodwill Subsequent Recognition Of Deferred Tax Asset GoodwillSubsequentRecognitionOfDeferredTaxAsset	7400000
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	176000
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67073000
CY2015Q4	trmk	Estimated Fair Value12 Months Or More EstimatedFairValue12MonthsOrMore	284538000
CY2014Q4	trmk	Estimated Fair Value12 Months Or More EstimatedFairValue12MonthsOrMore	522230000
CY2015Q4	trmk	Total Estimated Fair Value TotalEstimatedFairValue	1791207000
CY2014	us-gaap	Interest Paid InterestPaid	22268000
CY2013	us-gaap	Interest Paid InterestPaid	25715000
CY2014Q4	trmk	Total Estimated Fair Value TotalEstimatedFairValue	1113195000
CY2015	trmk	Gross Unrealized Losses Less Than12 Months GrossUnrealizedLossesLessThan12Months	12487000
CY2014	trmk	Gross Unrealized Losses Less Than12 Months GrossUnrealizedLossesLessThan12Months	2663000
CY2015	trmk	Gross Unrealized Losses12 Months Or More GrossUnrealizedLosses12MonthsOrMore	7772000
CY2014	trmk	Gross Unrealized Losses12 Months Or More GrossUnrealizedLosses12MonthsOrMore	11909000
CY2015	trmk	Total Gross Unrealized Losses TotalGrossUnrealizedLosses	20259000
CY2015	trmk	Noncash Transfers From Loans To Foreclosed Properties NoncashTransfersFromLoansToForeclosedProperties	32782000
CY2014	trmk	Noncash Transfers From Loans To Foreclosed Properties NoncashTransfersFromLoansToForeclosedProperties	39778000
CY2013	trmk	Noncash Transfers From Loans To Foreclosed Properties NoncashTransfersFromLoansToForeclosedProperties	41042000
CY2014	trmk	Transfer Of Long Term Fhlb Advance To Short Term TransferOfLongTermFHLBAdvanceToShortTerm	6644000
CY2013	trmk	Transfer Of Long Term Fhlb Advance To Short Term TransferOfLongTermFHLBAdvanceToShortTerm	0
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	0
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	1845543000
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	0
CY2014	trmk	Total Gross Unrealized Losses TotalGrossUnrealizedLosses	14572000
CY2015	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0
CY2014	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0
CY2013	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0
CY2015Q4	trmk	Pledged Collateralize Deposits And Securities Sold Under Repurchase Agreements PledgedCollateralizeDepositsAndSecuritiesSoldUnderRepurchaseAgreements	2157000000
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	1821066000
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67550000
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66897000
CY2014Q4	trmk	Pledged Collateralize Deposits And Securities Sold Under Repurchase Agreements PledgedCollateralizeDepositsAndSecuritiesSoldUnderRepurchaseAgreements	2457000000
CY2015Q4	trmk	Pledged Securities Providing Additional Contingency Funding PledgedSecuritiesProvidingAdditionalContingencyFunding	0
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	20805000
CY2015Q4	trmk	Number Of Offices NumberOfOffices	200
CY2015Q4	trmk	Percentage Of Remaining Principal Balance Of Loan Servicer Repurchase PercentageOfRemainingPrincipalBalanceOfLoanServicerRepurchase	1.00
CY2015	trmk	Term Of Loan Is Contractually Past Due To Classify As Past Due Loan TermOfLoanIsContractuallyPastDueToClassifyAsPastDueLoan	P30D
CY2015	trmk	Balance Of Commercial Loans Identified For Impairment Analysis BalanceOfCommercialLoansIdentifiedForImpairmentAnalysis	500000
CY2015	trmk	Number Of Elements Allowance For Loan Losses Consists NumberOfElementsAllowanceForLoanLossesConsists	3
CY2015Q4	trmk	Key Market Regions In Qualitative Reserve Allocation KeyMarketRegionsInQualitativeReserveAllocation	5
CY2015	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0
CY2015	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P20Y
CY2015Q4	trmk	Securities With Limited Marketability SecuritiesWithLimitedMarketability	62600000
CY2014Q4	trmk	Securities With Limited Marketability SecuritiesWithLimitedMarketability	44100000
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	13710000
CY2015	us-gaap	Interest Paid InterestPaid	20733000
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	333000
CY2014	trmk	Average Reserve Balances With Federal Reserve Bank AverageReserveBalancesWithFederalReserveBank	75600000
CY2015Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2339562000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	113325000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	16997000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	77167000
CY2015Q4	trmk	Available For Sale Debt Securities Amortized Cost Before Mortgage Backed Securities AvailableForSaleDebtSecuritiesAmortizedCostBeforeMortgageBackedSecurities	228294000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	2111268000
CY2015Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	2339562000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	20982000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	117050000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	17562000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	76388000
CY2015Q4	trmk	Fair Value Of Available For Sale Securities Before Mortgage Back Securities FairValueOfAvailableForSaleSecuritiesBeforeMortgageBackSecurities	231982000
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	2113440000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	6300000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	60315000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	91059000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0
CY2015Q4	trmk	Amortized Cost Held To Maturity Before Mortgage Backed Securities AmortizedCostHeldToMaturityBeforeMortgageBackedSecurities	157674000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	1030144000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	6505000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	61936000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	95433000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0
CY2015Q4	trmk	Fair Value Of Held To Maturity Securities Before Mortgage Back Securities FairValueOfHeldToMaturitySecuritiesBeforeMortgageBackSecurities	163874000
CY2015Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1031493000
CY2015	trmk	Concentration Risk Credit Risk Financial Instrument Maximum Exposure Percentage ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposurePercentage	0.10
CY2015Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	82200000
CY2014Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	95200000
CY2015	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	422800000
CY2015	us-gaap	Loans And Leases Receivable Related Parties Collections LoansAndLeasesReceivableRelatedPartiesCollections	435800000
CY2015	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	3000
CY2015Q4	trmk	Nonaccrual Loans Held For Investment Considered For Impairment Analysis Carrying Value NonaccrualLoansHeldForInvestmentConsideredForImpairmentAnalysisCarryingValue	55300000
CY2014Q4	trmk	Nonaccrual Loans Held For Investment Considered For Impairment Analysis Carrying Value NonaccrualLoansHeldForInvestmentConsideredForImpairmentAnalysisCarryingValue	79300000
CY2015Q4	trmk	Minimum Loan Amount For Loan To Be Individually Assessed For Impairment MinimumLoanAmountForLoanToBeIndividuallyAssessedForImpairment	500000
CY2015Q4	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairment	26500000
CY2014Q4	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairment	47100000
CY2015Q4	trmk	Nonaccrual Financing Receivable Allowance For Credit Losses Specifically Evaluated For Impairment NonaccrualFinancingReceivableAllowanceForCreditLossesSpecificallyEvaluatedForImpairment	7000000
CY2014Q4	trmk	Nonaccrual Financing Receivable Allowance For Credit Losses Specifically Evaluated For Impairment NonaccrualFinancingReceivableAllowanceForCreditLossesSpecificallyEvaluatedForImpairment	11300000
CY2015	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment Allowance For Credit Losses Write Offs NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairmentAllowanceForCreditLossesWriteOffs	10100000
CY2014	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment Allowance For Credit Losses Write Offs NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairmentAllowanceForCreditLossesWriteOffs	137000
CY2013	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment Allowance For Credit Losses Write Offs NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairmentAllowanceForCreditLossesWriteOffs	2500000
CY2015	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment Allowance For Credit Losses Provisions NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairmentAllowanceForCreditLossesProvisions	4800000
CY2014	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment Allowance For Credit Losses Provisions NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairmentAllowanceForCreditLossesProvisions	3500000
CY2013	trmk	Nonaccrual Financing Receivable Specifically Evaluated For Impairment Allowance For Credit Losses Provisions NonaccrualFinancingReceivableSpecificallyEvaluatedForImpairmentAllowanceForCreditLossesProvisions	2900000
CY2015Q4	trmk	Nonaccrual Financing Receivable Not Specifically Evaluated For Impairment NonaccrualFinancingReceivableNotSpecificallyEvaluatedForImpairment	28800000
CY2014Q4	trmk	Nonaccrual Financing Receivable Not Specifically Evaluated For Impairment NonaccrualFinancingReceivableNotSpecificallyEvaluatedForImpairment	32200000
CY2015Q4	trmk	Nonaccrual Financing Receivable Allowance For Credit Losses Not Specifically Evaluated For Impairment NonaccrualFinancingReceivableAllowanceForCreditLossesNotSpecificallyEvaluatedForImpairment	2000000
CY2014Q4	trmk	Nonaccrual Financing Receivable Allowance For Credit Losses Not Specifically Evaluated For Impairment NonaccrualFinancingReceivableAllowanceForCreditLossesNotSpecificallyEvaluatedForImpairment	1500000
CY2015Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	55312000
CY2015Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	7036073000
CY2014Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	79343000
CY2014Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	6370126000
CY2015Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	69894000
CY2015Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	12852000
CY2015Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	55312000
CY2015Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	8988000
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	67327000
CY2014Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	96365000
CY2014Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	23135000
CY2014Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	56208000
CY2014Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	79343000
CY2014Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	12764000
CY2014	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	72291000
CY2015Q4	trmk	Amount Held By Company Of Foreclosure Or In Substance Repossession Of Consumer Mortgage Lhfi Classified As Td Rs AmountHeldByCompanyOfForeclosureOrInSubstanceRepossessionOfConsumerMortgageLHFIClassifiedAsTDRs	1000000
CY2015Q4	trmk	Classified As Consumer Mortgage Lhfi ClassifiedAsConsumerMortgageLHFI	83000
CY2015Q4	trmk	Classified As Troubled Debt Restructuring Lhfi ClassifiedAsTroubledDebtRestructuringLHFI	9700000
CY2014Q4	trmk	Classified As Troubled Debt Restructuring Lhfi ClassifiedAsTroubledDebtRestructuringLHFI	11300000
CY2013Q4	trmk	Classified As Troubled Debt Restructuring Lhfi ClassifiedAsTroubledDebtRestructuringLHFI	14800000
CY2015Q4	trmk	Troubled Debt Restructurings Comprised Of Credits With Interest Only Payments TroubledDebtRestructuringsComprisedOfCreditsWithInterestOnlyPayments	5900000
CY2014Q4	trmk	Troubled Debt Restructurings Comprised Of Credits With Interest Only Payments TroubledDebtRestructuringsComprisedOfCreditsWithInterestOnlyPayments	7400000
CY2013Q4	trmk	Troubled Debt Restructurings Comprised Of Credits With Interest Only Payments TroubledDebtRestructuringsComprisedOfCreditsWithInterestOnlyPayments	11100000
CY2015Q4	trmk	Financing Receivable Post Modification Recorded Investment Related Allowance FinancingReceivablePostModificationRecordedInvestmentRelatedAllowance	1800000
CY2015	trmk	Term Of Past Due Used In Evaluating Collateral Exceptions TermOfPastDueUsedInEvaluatingCollateralExceptions	P90D
CY2015	trmk	Number Of Key Quality Ratios NumberOfKeyQualityRatios	6
CY2015	trmk	Number Of Primary Commercial Loan Groups NumberOfPrimaryCommercialLoanGroups	9
CY2015	trmk	Number Of Individual Credit Risk Grades NumberOfIndividualCreditRiskGrades	10
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	14323000
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	55312000
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	7021750000
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	21055000
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	79343000
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	6349071000
CY2015Q4	trmk	Covered Serviced Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due CoveredServicedFinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	21800000
CY2014Q4	trmk	Covered Serviced Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due CoveredServicedFinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	25900000
CY2015	trmk	Optional Repurchase Program Principal Percentage To Be Repurchased OptionalRepurchaseProgramPrincipalPercentageToBeRepurchased	1.00
CY2015	trmk	Financing Receivable Delinquent Recorded Investment Repurchased FinancingReceivableDelinquentRecordedInvestmentRepurchased	28500000
CY2015	trmk	Gain Loss On Repurchase Of Debt Instrument Included In Gain On Sales Of Loans GainLossOnRepurchaseOfDebtInstrumentIncludedInGainOnSalesOfLoans	304000
CY2015Q4	trmk	Number Of Loan Types For Commercial Portfolio NumberOfLoanTypesForCommercialPortfolio	9
CY2015Q4	trmk	Number Of Unique Qualitative Factors Used To Analyze Consumer Loans NumberOfUniqueQualitativeFactorsUsedToAnalyzeConsumerLoans	5
CY2015Q4	trmk	Number Of Risk Rate Types For Commercial Portfolio NumberOfRiskRateTypesForCommercialPortfolio	450
CY2015	trmk	Duration For Quantitative Portion Of The Allowance For Loan Loss Methodology Of Commercial Lhfi DurationForQuantitativePortionOfTheAllowanceForLoanLossMethodologyOfCommercialLHFI	P1Y6M
CY2015Q4	trmk	Additional Provision Amount Quantitative Portion Of The Allowance For Loan Loss Methodology For Commercial Lhfi AdditionalProvisionAmountQuantitativePortionOfTheAllowanceForLoanLossMethodologyForCommercialLHFI	2300000
CY2015Q4	trmk	Additional Provision Amount Quantitative Portion Of Allowance For Loan Loss Methodology For Commercial Lhfi Due To Incorporate Third Party Default Data AdditionalProvisionAmountQuantitativePortionOfAllowanceForLoanLossMethodologyForCommercialLHFIDueToIncorporateThirdPartyDefaultData	1300000
CY2015	trmk	Qualitative Risk Factor Score Range Minimum QualitativeRiskFactorScoreRangeMinimum	0
CY2015	trmk	Qualitative Risk Factor Score Range Maximum QualitativeRiskFactorScoreRangeMaximum	100
CY2015Q4	trmk	Amount Of Elimination Of The Caps And Floors For Criticized Risk Ratings For Quantitative Portion Of The Allowance For Loan Loss Methodology For Commercial Lhfi AmountOfEliminationOfTheCapsAndFloorsForCriticizedRiskRatingsForQuantitativePortionOfTheAllowanceForLoanLossMethodologyForCommercialLHFI	1800000
CY2015	trmk	Qualitative Amount Related To Provision Expense Of Allowance For Loan Loss Methodology For Commercial Lhfi QualitativeAmountRelatedToProvisionExpenseOfAllowanceForLoanLossMethodologyForCommercialLHFI	2100000
CY2015	trmk	Quantitative Mount Related To Provision Expense Of Allowance For Loan Loss Methodology For Commercial Lhfi QuantitativeMountRelatedToProvisionExpenseOfAllowanceForLoanLossMethodologyForCommercialLHFI	785000
CY2015	trmk	Duration For Qualitative Portion Of The Allowance For Loan Loss Methodology Of Commercial Lhfi To Observe The Maximum Observed Gross Historical Losses DurationForQualitativePortionOfTheAllowanceForLoanLossMethodologyOfCommercialLHFIToObserveTheMaximumObservedGrossHistoricalLosses	P3Y
CY2015	trmk	Financing Receivable Allowance For Credit Losses Effect Of Change In Method To Incorporate Use Of Maximum Observed Gross Historical Losses FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethodToIncorporateUseOfMaximumObservedGrossHistoricalLosses	4400000
CY2015	trmk	Qualitative Amount Related To Provision Expense Of Allowance For Loan Loss Methodology For Commercial Lhfi Regarding Loan Facility Risk Component QualitativeAmountRelatedToProvisionExpenseOfAllowanceForLoanLossMethodologyForCommercialLHFIRegardingLoanFacilityRiskComponent	2100000
CY2014	trmk	Maximum Value Of Commercial Lhfi Which Were Subject To Further Refinement Of Allowance For Loan Loss Methodology MaximumValueOfCommercialLHFIWhichWereSubjectToFurtherRefinementOfAllowanceForLoanLossMethodology	500000
CY2013	us-gaap	Financing Receivable Allowance For Credit Losses Effect Of Change In Method FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod	1600000
CY2015	trmk	Quantitative Amount Related To Provision Expense Of Allowance For Loan Loss Methodology For Consumer Lhfi Regarding Consumer Mortgage Portfolio QuantitativeAmountRelatedToProvisionExpenseOfAllowanceForLoanLossMethodologyForConsumerLHFIRegardingConsumerMortgagePortfolio	455000
CY2015Q4	trmk	Additional Provision Amount Qualitative Portion Of The Allowance For Loan Loss Methodology For Consumer Lhfi AdditionalProvisionAmountQualitativePortionOfTheAllowanceForLoanLossMethodologyForConsumerLHFI	750000
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	77149000
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	30501000
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	10013000
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	-16037000
CY2014	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1029
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	52672000
CY2013Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	109006000
CY2014	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	48627000
CY2014	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	16383000
CY2014	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	-33153000
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	12059000
CY2015	trmk	Allowance For Loan And Lease Losses Loans Acquired And Sold AllowanceForLoanAndLeaseLossesLoansAcquiredAndSold	3425000
CY2015	trmk	Allowance For Loan And Lease Loss Write Off And Recovery AllowanceForLoanAndLeaseLossWriteOffAndRecovery	7200000
CY2015	trmk	Allowance For Loan And Lease Loss Recovery And Write Off AllowanceForLoanAndLeaseLossRecoveryAndWriteOff	3708000
CY2015	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	3492000
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	11992000
CY2013Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	9636000
CY2014	trmk	Allowance For Loan And Lease Losses Loans Acquired And Sold AllowanceForLoanAndLeaseLossesLoansAcquiredAndSold	6171000
CY2014	trmk	Allowance For Loan And Lease Loss Write Off And Recovery AllowanceForLoanAndLeaseLossWriteOffAndRecovery	6147000
CY2014	trmk	Allowance For Loan And Lease Loss Recovery And Write Off AllowanceForLoanAndLeaseLossRecoveryAndWriteOff	2399000
CY2014	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	3748000
CY2012Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	6075000
CY2013	trmk	Allowance For Loan And Lease Losses Loans Acquired And Sold AllowanceForLoanAndLeaseLossesLoansAcquiredAndSold	6039000
CY2013	trmk	Allowance For Loan And Lease Loss Write Off And Recovery AllowanceForLoanAndLeaseLossWriteOffAndRecovery	4094000
CY2013	trmk	Allowance For Loan And Lease Loss Recovery And Write Off AllowanceForLoanAndLeaseLossRecoveryAndWriteOff	1616000
CY2013	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	2478000
CY2015Q4	trmk	Percentage Of Risk Of Losses Incurred On Acquired Loans PercentageOfRiskOfLossesIncurredOnAcquiredLoans	0.20
CY2015Q4	trmk	Nonaccrual Loans Not Accounted For Under Financial Accounting Standards Board Asc Topic31030 NonaccrualLoansNotAccountedForUnderFinancialAccountingStandardsBoardAscTopic31030	1000000
CY2014Q4	trmk	Nonaccrual Loans Not Accounted For Under Financial Accounting Standards Board Asc Topic31030 NonaccrualLoansNotAccountedForUnderFinancialAccountingStandardsBoardAscTopic31030	1100000
CY2015Q4	trmk	Acquired Loans Carrying Value Past Due AcquiredLoansCarryingValuePastDue	26430000
CY2015Q4	trmk	Acquired Loans Nonaccrual Status AcquiredLoansNonaccrualStatus	1011000
CY2015Q4	trmk	Acquired Loans Recorded Investment Current AcquiredLoansRecordedInvestmentCurrent	362970000
CY2015Q4	trmk	Acquired Loans Carrying Value Loans AcquiredLoansCarryingValueLoans	390411000
CY2014Q4	trmk	Acquired Loans Carrying Value Past Due AcquiredLoansCarryingValuePastDue	50029000
CY2014Q4	trmk	Acquired Loans Nonaccrual Status AcquiredLoansNonaccrualStatus	1144000
CY2014Q4	trmk	Acquired Loans Recorded Investment Current AcquiredLoansRecordedInvestmentCurrent	498236000
CY2014Q4	trmk	Acquired Loans Carrying Value Loans AcquiredLoansCarryingValueLoans	549409000
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	426166000
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	418854000
CY2015Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	230510000
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	218073000
CY2015	trmk	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	14000000
CY2014	trmk	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	14100000
CY2013	trmk	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	14300000
CY2013Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	67834000
CY2015	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	17598000
CY2014	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	12293000
CY2015	us-gaap	Asset At Fair Value Changes In Fair Value Resulting From Changes In Assumptions AssetAtFairValueChangesInFairValueResultingFromChangesInAssumptions	1578000
CY2014	us-gaap	Asset At Fair Value Changes In Fair Value Resulting From Changes In Assumptions AssetAtFairValueChangesInFairValueResultingFromChangesInAssumptions	-7202000
CY2015	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputs	-9527000
CY2014	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputs	-8567000
CY2015	trmk	Assumed Average Prepayment Speed AssumedAveragePrepaymentSpeed	9.32
CY2014	trmk	Assumed Average Prepayment Speed AssumedAveragePrepaymentSpeed	11.51
CY2015	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1035
CY2015	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	1246000000
CY2014	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	913500000
CY2013	us-gaap	Mortgage Loans On Real Estate Cost Of Mortgages Sold MortgageLoansOnRealEstateCostOfMortgagesSold	1358000000
CY2015	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	18000000
CY2014	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	10800000
CY2013	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	26400000
CY2015Q4	trmk	Mortgage Loan Sold And Serviced For Others MortgageLoanSoldAndServicedForOthers	5971312000
CY2014Q4	trmk	Mortgage Loan Sold And Serviced For Others MortgageLoanSoldAndServicedForOthers	5636249000
CY2015	trmk	Servicing Fee Income Percentage Of Outstanding Balance Of Underlying Loans ServicingFeeIncomePercentageOfOutstandingBalanceOfUnderlyingLoans	0.0033
CY2015	trmk	Period Of Putback Response PeriodOfPutbackResponse	P60D
CY2015	trmk	Mortgage Loan Servicing Putback Expenses MortgageLoanServicingPutbackExpenses	315000
CY2014	trmk	Mortgage Loan Servicing Putback Expenses MortgageLoanServicingPutbackExpenses	600000
CY2013	trmk	Mortgage Loan Servicing Putback Expenses MortgageLoanServicingPutbackExpenses	1600000
CY2014Q4	us-gaap	Mortgage Loans On Real Estate Writedown Or Reserve Amount1 MortgageLoansOnRealEstateWritedownOrReserveAmount1	1170000
CY2013Q4	us-gaap	Mortgage Loans On Real Estate Writedown Or Reserve Amount1 MortgageLoansOnRealEstateWritedownOrReserveAmount1	1050000
CY2012Q4	us-gaap	Mortgage Loans On Real Estate Writedown Or Reserve Amount1 MortgageLoansOnRealEstateWritedownOrReserveAmount1	7800000
CY2015	trmk	Putback Expenses From Violations Of Warranties And Representations PutbackExpensesFromViolationsOfWarrantiesAndRepresentations	315000
CY2014	trmk	Putback Expenses From Violations Of Warranties And Representations PutbackExpensesFromViolationsOfWarrantiesAndRepresentations	600000
CY2013	trmk	Putback Expenses From Violations Of Warranties And Representations PutbackExpensesFromViolationsOfWarrantiesAndRepresentations	1561000
CY2015	trmk	Gains Losses In Reserve For Mortgage Loan Servicing Putback Expense GainsLossesInReserveForMortgageLoanServicingPutbackExpense	200000
CY2014	trmk	Gains Losses In Reserve For Mortgage Loan Servicing Putback Expense GainsLossesInReserveForMortgageLoanServicingPutbackExpense	-480000
CY2013	trmk	Gains Losses In Reserve For Mortgage Loan Servicing Putback Expense GainsLossesInReserveForMortgageLoanServicingPutbackExpense	-4756000
CY2015	trmk	Payments To Fnma For Repurchase Obligations PaymentsToFNMAForRepurchaseObligations	0
CY2014	trmk	Payments To Fnma For Repurchase Obligations PaymentsToFNMAForRepurchaseObligations	0
CY2013	trmk	Payments To Fnma For Repurchase Obligations PaymentsToFNMAForRepurchaseObligations	3555000
CY2015Q4	us-gaap	Mortgage Loans On Real Estate Writedown Or Reserve Amount1 MortgageLoansOnRealEstateWritedownOrReserveAmount1	1685000
CY2013Q4	us-gaap	Goodwill Goodwill	372851000
CY2014	us-gaap	Goodwill Impaired Adjustment To Initial Estimate Amount GoodwillImpairedAdjustmentToInitialEstimateAmount	7351000
CY2015	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	656000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	101663000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	74117000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	99532000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	66298000
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7800000
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8800000
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8800000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	6900000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5900000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4900000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3800000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2500000
CY2015	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0
CY2014	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0
CY2013	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0
CY2015	us-gaap	Finite Lived Intangible Assets Remaining Amortization Period1 FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1	P7Y4M24D
CY2013Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	106539000
CY2012Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	78189000
CY2015	us-gaap	Real Estate Other Additions RealEstateOtherAdditions	33396000
CY2014	us-gaap	Real Estate Other Additions RealEstateOtherAdditions	37428000
CY2013	us-gaap	Real Estate Other Additions RealEstateOtherAdditions	80256000
CY2015	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	45826000
CY2014	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	43802000
CY2013	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	45545000
CY2015	trmk	Write Downs On Real Estate Excluding Covered Real Estate WriteDownsOnRealEstateExcludingCoveredRealEstate	2902000
CY2014	trmk	Write Downs On Real Estate Excluding Covered Real Estate WriteDownsOnRealEstateExcludingCoveredRealEstate	7656000
CY2013	trmk	Write Downs On Real Estate Excluding Covered Real Estate WriteDownsOnRealEstateExcludingCoveredRealEstate	6361000
CY2015	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	3995000
CY2013	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-881000
CY2014Q4	us-gaap	Other Real Estate Covered OtherRealEstateCovered	6060000
CY2013Q4	us-gaap	Other Real Estate Covered OtherRealEstateCovered	5108000
CY2012Q4	us-gaap	Other Real Estate Covered OtherRealEstateCovered	5741000
CY2015	trmk	Transfers From Covered Loans TransfersFromCoveredLoans	266000
CY2014	trmk	Transfers From Covered Loans TransfersFromCoveredLoans	2851000
CY2013	trmk	Transfers From Covered Loans TransfersFromCoveredLoans	1934000
CY2015	trmk	Increase Decrease Covered Real Estate Adjustments IncreaseDecreaseCoveredRealEstateAdjustments	880000
CY2014	trmk	Increase Decrease Covered Real Estate Adjustments IncreaseDecreaseCoveredRealEstateAdjustments	-136000
CY2013	trmk	Increase Decrease Covered Real Estate Adjustments IncreaseDecreaseCoveredRealEstateAdjustments	345000
CY2015	trmk	Net Transfers From Covered Loans NetTransfersFromCoveredLoans	-614000
CY2014	trmk	Net Transfers From Covered Loans NetTransfersFromCoveredLoans	2987000
CY2013	trmk	Net Transfers From Covered Loans NetTransfersFromCoveredLoans	1589000
CY2015	trmk	Disposals From Covered Real Estate DisposalsFromCoveredRealEstate	2526000
CY2014	trmk	Disposals From Covered Real Estate DisposalsFromCoveredRealEstate	1232000
CY2013	trmk	Disposals From Covered Real Estate DisposalsFromCoveredRealEstate	1442000
CY2015	trmk	Write Downs On Covered Real Estate WriteDownsOnCoveredRealEstate	1269000
CY2014	trmk	Write Downs On Covered Real Estate WriteDownsOnCoveredRealEstate	803000
CY2013	trmk	Write Downs On Covered Real Estate WriteDownsOnCoveredRealEstate	780000
CY2015Q4	us-gaap	Other Real Estate Covered OtherRealEstateCovered	1651000
CY2015	trmk	Gain Loss Net On Sale Of Covered Other Real Estate Included In Ore Foreclosure Expenses GainLossNetOnSaleOfCoveredOtherRealEstateIncludedInOREForeclosureExpenses	46000
CY2014	trmk	Gain Loss Net On Sale Of Covered Other Real Estate Included In Ore Foreclosure Expenses GainLossNetOnSaleOfCoveredOtherRealEstateIncludedInOREForeclosureExpenses	24000
CY2013	trmk	Gain Loss Net On Sale Of Covered Other Real Estate Included In Ore Foreclosure Expenses GainLossNetOnSaleOfCoveredOtherRealEstateIncludedInOREForeclosureExpenses	119000
CY2011Q2	trmk	Fdic Loss Share Agreement Covered Loans And Other Real Estate Losses FDICLossShareAgreementCoveredLoansAndOtherRealEstateLosses	0.80
CY2015Q4	trmk	Provision For Fdic True Up ProvisionForFDICTrueUp	2500000
CY2014Q4	trmk	Provision For Fdic True Up ProvisionForFDICTrueUp	2100000
CY2015	trmk	Increase Decrease In Receivables Accretion Amortization Indemnification Asset IncreaseDecreaseInReceivablesAccretionAmortizationIndemnificationAsset	-2583000
CY2014	trmk	Increase Decrease In Receivables Accretion Amortization Indemnification Asset IncreaseDecreaseInReceivablesAccretionAmortizationIndemnificationAsset	-2074000
CY2013	trmk	Increase Decrease In Receivables Accretion Amortization Indemnification Asset IncreaseDecreaseInReceivablesAccretionAmortizationIndemnificationAsset	-2469000
CY2015	us-gaap	Fdic Indemnification Asset Net Write Offs FDICIndemnificationAssetNetWriteOffs	929000
CY2014	us-gaap	Fdic Indemnification Asset Net Write Offs FDICIndemnificationAssetNetWriteOffs	800000
CY2013	us-gaap	Fdic Indemnification Asset Net Write Offs FDICIndemnificationAssetNetWriteOffs	3400000
CY2013Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	14347000
CY2012Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	21774000
CY2015	trmk	Transfers To Fdic Claims Receivable TransfersToFDICClaimsReceivable	-2715000
CY2014	trmk	Transfers To Fdic Claims Receivable TransfersToFDICClaimsReceivable	-4443000
CY2013	trmk	Transfers To Fdic Claims Receivable TransfersToFDICClaimsReceivable	-851000
CY2015	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-536000
CY2014	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-517000
CY2013	us-gaap	Fdic Indemnification Asset Period Increase Decrease FDICIndemnificationAssetPeriodIncreaseDecrease	-3472000
CY2015	trmk	Change In Fdic True Up Provision ChangeInFDICTrueUpProvision	-425000
CY2014	trmk	Change In Fdic True Up Provision ChangeInFDICTrueUpProvision	-316000
CY2013	trmk	Change In Fdic True Up Provision ChangeInFDICTrueUpProvision	-635000
CY2015Q4	trmk	Interest Bearing Demand Deposit InterestBearingDemandDeposit	1938497000
CY2014Q4	trmk	Interest Bearing Demand Deposit InterestBearingDemandDeposit	1722581000
CY2015Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2970997000
CY2014Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	3280060000
CY2015Q4	us-gaap	Time Deposits TimeDeposits	1680042000
CY2014Q4	us-gaap	Time Deposits TimeDeposits	1947082000
CY2015	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	3235000
CY2014	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	3151000
CY2013	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	3948000
CY2015	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	2547000
CY2014	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	2949000
CY2013	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	3889000
CY2015	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	6816000
CY2014	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	9223000
CY2013	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	11881000
CY2015Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Or Less ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess	151339000
CY2014Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Or Less ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess	199087000
CY2015Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Through Six Months ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths	132440000
CY2014Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Through Six Months ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths	168886000
CY2015Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Six Months Through12 Months ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months	197630000
CY2014Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Six Months Through12 Months ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months	227130000
CY2015Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More After12 Months ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months	193914000
CY2014Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More After12 Months ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months	222119000
CY2015Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	675323000
CY2014Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	817222000
CY2015Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	1240268000
CY2015Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	295723000
CY2015Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	73586000
CY2015Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	38962000
CY2015Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	31503000
CY2015Q4	trmk	Interest Bearing Deposits With No Stated Maturity InterestBearingDepositsWithNoStatedMaturity	4909494000
CY2015Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	125120000
CY2015Q4	us-gaap	Debt Instrument Unused Borrowing Capacity Amount DebtInstrumentUnusedBorrowingCapacityAmount	0
CY2015Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	50000000
CY2015	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2016-12-15
CY2015Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.05673
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	18448000
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	17761000
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14537000
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2166000
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2068000
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1237000
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	12865000
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	16256000
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	18394000
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1935000
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2444000
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2769000
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	53008000
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	56732000
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	53899000
CY2015	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	5908000
CY2014	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	5612000
CY2013	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	5222000
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	119000
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	107000
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	121000
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1408000
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2933000
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2604000
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	15283000
CY2014	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	15212000
CY2013	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	15755000
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2070000
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-419000
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1290000
CY2015Q4	trmk	Deferred Tax Assets Tax Deferred Expense Loan Purchase Accounting DeferredTaxAssetsTaxDeferredExpenseLoanPurchaseAccounting	26049000
CY2014Q4	trmk	Deferred Tax Assets Tax Deferred Expense Loan Purchase Accounting DeferredTaxAssetsTaxDeferredExpenseLoanPurchaseAccounting	38471000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	32664000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	36086000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	30451000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	31241000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	21102000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	20825000
CY2015Q4	trmk	Deferred Tax Assets Realized Built In Losses DeferredTaxAssetsRealizedBuiltInLosses	16215000
CY2014Q4	trmk	Deferred Tax Assets Realized Built In Losses DeferredTaxAssetsRealizedBuiltInLosses	15907000
CY2015Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	13016000
CY2014Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	15443000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	14433000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	14904000
CY2015Q4	trmk	Deferred Tax Assets Non Accrual Loans DeferredTaxAssetsNonAccrualLoans	3137000
CY2014Q4	trmk	Deferred Tax Assets Non Accrual Loans DeferredTaxAssetsNonAccrualLoans	3372000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3137000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3077000
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	15820000
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	17833000
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	176024000
CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	197159000
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8650000
CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8650000
CY2015Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	167374000
CY2014Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	188509000
CY2015Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	26651000
CY2014Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	28010000
CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21257000
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	20813000
CY2015Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	2241000
CY2014Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	8627000
CY2015Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	9924000
CY2014Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	7747000
CY2015Q4	us-gaap	Deferred Tax Liabilities Interests In Financial Assets Continued To Be Held DeferredTaxLiabilitiesInterestsInFinancialAssetsContinuedToBeHeld	1474000
CY2014Q4	us-gaap	Deferred Tax Liabilities Interests In Financial Assets Continued To Be Held DeferredTaxLiabilitiesInterestsInFinancialAssetsContinuedToBeHeld	1353000
CY2015Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	106000
CY2014Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	625000
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4764000
CY2014Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3900000
CY2015Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	66417000
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	71075000
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	100957000
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	117434000
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2160000
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	760000
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	495000
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	613000
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	92000
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1720000
CY2015	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	380000
CY2015Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1321000
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3668000
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4152000
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3599000
CY2015Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	4052000
CY2015Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	2873000000
CY2014Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	2489000000
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	9300000
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	8500000
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	8400000
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	8354000
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	32742000
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	35218000
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-21657000
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-19148000
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	251000
CY2013	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	2225000
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	-96000
CY2015	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	850000
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	1395000
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	7773000
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	6750000
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	5445000
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	4905000
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	11348000
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	44575000
CY2015	trmk	Proceeding Two Net Income Basis For Regulator Required Dividend Payment Basis ProceedingTwoNetIncomeBasisForRegulatorRequiredDividendPaymentBasis	114300000
CY2015	trmk	Period For Which Retained Net Income Considered For Approval PeriodForWhichRetainedNetIncomeConsideredForApproval	P2Y
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-16695000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0
CY2015	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax	6345000
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-10350000
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	17705000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	300000
CY2014	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax	6010000
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	23415000
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-67135000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	485000
CY2013	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax	-46383000
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-114003000
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-6386000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0
CY2015	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesTax	2427000
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	3959000
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	6772000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-115000
CY2014	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesTax	2299000
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-8956000
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-25679000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-186000
CY2013	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesTax	-17741000
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	43606000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0
CY2015	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	3918000
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6391000
CY2014	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	3711000
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	14459000
CY2013	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	-28642000
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-70397000
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	250000
CY2015	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	2221000
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	3647000
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	6118000
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	249000
CY2014	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	905000
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2341000
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	-95000
CY2014	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	346000
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-8283000
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	7324000
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	-96000
CY2013	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	851000
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	12524000
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-13471000
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3777000
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-11824000
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	21747000
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-1315000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-836000
CY2015	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-479000
CY2015	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-4711000
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-2246000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	2000
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-2248000
CY2014	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	2019000
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2468000
CY2013	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-76317000
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-503000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	320000
CY2015	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-183000
CY2015	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1801000
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-859000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-1000
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-860000
CY2014	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-772000
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	944000
CY2013	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	29191000
CY2015	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-296000
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2910000
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-1388000
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1247000
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47126000
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3395000
CY2013	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-46827000
CY2013	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	299000
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-43731000
CY2014	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1433000
CY2014	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	186000
CY2015	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-3426000
CY2015	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-516000
CY2015	trmk	Foreclosed Assets Initial Fair Value Disclosure ForeclosedAssetsInitialFairValueDisclosure	33400000
CY2014	trmk	Foreclosed Assets Initial Fair Value Disclosure ForeclosedAssetsInitialFairValueDisclosure	37400000
CY2015	trmk	Charge Offs Recognized Allowance For Possible Loan Losses ChargeOffsRecognizedAllowanceForPossibleLoanLosses	7900000
CY2014	trmk	Charge Offs Recognized Allowance For Possible Loan Losses ChargeOffsRecognizedAllowanceForPossibleLoanLosses	13900000
CY2015	trmk	Foreclosed Assets Remeasured After Initial Recognition Fair Value ForeclosedAssetsRemeasuredAfterInitialRecognitionFairValue	44500000
CY2014	trmk	Foreclosed Assets Remeasured After Initial Recognition Fair Value ForeclosedAssetsRemeasuredAfterInitialRecognitionFairValue	48700000
CY2015	trmk	Write Down Of Allowance After Initial Recognition Of Foreclosure WriteDownOfAllowanceAfterInitialRecognitionOfForeclosure	2900000
CY2014	trmk	Write Down Of Allowance After Initial Recognition Of Foreclosure WriteDownOfAllowanceAfterInitialRecognitionOfForeclosure	7700000
CY2015	us-gaap	Derivative Higher Remaining Maturity Range1 DerivativeHigherRemainingMaturityRange1	P90D
CY2015	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-857000
CY2014	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	2000000
CY2015	trmk	Interest And Fees On Lhfs And Lhfi InterestAndFeesOnLHFSAndLHFI	4700000
CY2014	trmk	Interest And Fees On Lhfs And Lhfi InterestAndFeesOnLHFSAndLHFI	1100000
CY2015Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	124165000
CY2014Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	91182000
CY2015Q4	us-gaap	Principal Amount Outstanding On Loans Held For Sale Or Securitization PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization	121608000
CY2014Q4	us-gaap	Principal Amount Outstanding On Loans Held For Sale Or Securitization PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization	88106000
CY2015Q4	trmk	Fair Value Less Unpaid Principal FairValueLessUnpaidPrincipal	2557000
CY2014Q4	trmk	Fair Value Less Unpaid Principal FairValueLessUnpaidPrincipal	3076000
CY2015	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
CY2015	trmk	Average Assets For Period AverageAssetsForPeriod	12270195000
CY2014	trmk	Average Assets For Period AverageAssetsForPeriod	12028030000
CY2013	trmk	Average Assets For Period AverageAssetsForPeriod	11530969000

Files In Submission

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trmk-ex32b_17.htm	Edgar Link	pending

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$TRMK
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2014 Q4 Form 10-K Financial Statement

#000156459016013066 Filed on February 23, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TRMK Trustmark Corp Stock $trmk

2014 Q4 Form 10-K Financial Statement

#000156459016013066 Filed on February 23, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TRMK
Trustmark Corp Stock $trmk