2024 Q1 Form 10-K Financial Statement

#000094755924000011 Filed on February 29, 2024

View on sec.gov

Income Statement

Concept 2024 Q1 2023 Q4 2023
Revenue $91.66M $88.72M $340.9M
YoY Change 14.1% 53.15% 70.13%
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 $3.700M $8.129M $7.400M
YoY Change 10.91% 22.72% 29.82%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense $34.32M $31.06M $91.61M
YoY Change 122.7% 210.46% 305.76%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income $26.60M $14.33M $96.80M
YoY Change 27.44% -29.44% 23.02%
Income Tax $5.967M $3.281M $21.35M
% Of Pretax Income 22.44% 22.9% 22.05%
Net Earnings $20.63M $11.05M $75.46M
YoY Change 26.55% -32.21% 19.93%
Net Earnings / Revenue 22.5% 12.45% 22.13%
Basic Earnings Per Share $0.66 $0.35 $2.41
Diluted Earnings Per Share $0.65 $0.35 $2.39
COMMON SHARES
Basic Shares Outstanding 31.23M shares 31.09M shares 31.37M shares
Diluted Shares Outstanding 31.63M shares 31.57M shares

Balance Sheet

Concept 2024 Q1 2023 Q4 2023
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents $340.0M $355.1M
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 $181.2M $182.2M $182.2M
YoY Change -2.94% 19.01% 19.01%
Goodwill $272.5M $272.5M
YoY Change 0.26% 51.19%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $64.16M
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets $7.964B $7.999B $7.999B
YoY Change -0.66% 23.8% 23.8%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $13.71M $22.70M $22.70M
YoY Change 235.33% 582.97% 582.97%
Accrued Expenses $6.783M $6.550M $6.550M
YoY Change 2.4% -16.13% -16.13%
Deferred Revenue
YoY Change
Short-Term Debt $110.0M $390.0M
YoY Change -56.0% 199.77%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $20.49M $29.25M $29.25M
YoY Change 91.28% 162.73% 162.73%
LONG-TERM LIABILITIES
Long-Term Debt $123.5M $123.4M $123.4M
YoY Change -20.85% -14.92% -14.92%
Other Long-Term Liabilities $60.02M $74.05M $74.05M
YoY Change 65.7% 62.67% 62.67%
Total Long-Term Liabilities $183.5M $197.4M $197.4M
YoY Change -4.54% 3.62% 3.62%
TOTAL LIABILITIES
Total Short-Term Liabilities $20.49M $29.25M $29.25M
Total Long-Term Liabilities $183.5M $197.4M $197.4M
Total Liabilities $7.004B $7.050B $7.050B
YoY Change -1.64% 21.24% 21.24%
SHAREHOLDERS EQUITY
Retained Earnings $313.0M $300.2M
YoY Change 19.29% 18.81%
Common Stock $32.47M $32.34M
YoY Change 0.51% 27.95%
Preferred Stock
YoY Change
Treasury Stock (at cost) $41.11M $41.11M
YoY Change 0.0% 0.0%
Treasury Stock Shares
Shareholders Equity $959.9M $949.0M $949.0M
YoY Change
Total Liabilities & Shareholders Equity $7.964B $7.999B $7.999B
YoY Change -0.67% 23.8% 23.8%

Cashflow Statement

Concept 2024 Q1 2023 Q4 2023
OPERATING ACTIVITIES
Net Income $20.63M $11.05M $75.46M
YoY Change 26.55% -32.21% 19.93%
Depreciation, Depletion And Amortization $3.700M $8.129M $7.400M
YoY Change 10.91% 22.72% 29.82%
Cash From Operating Activities $10.23M $28.15M $108.5M
YoY Change 119.9% 30.11% 20.53%
INVESTING ACTIVITIES
Capital Expenditures $717.0K $938.0K $3.688M
YoY Change -32.74% -90.4% -76.24%
Acquisitions
YoY Change
Other Investing Activities $17.50M $73.59M $331.7M
YoY Change -93.99% -990.74% -147.97%
Cash From Investing Activities $16.78M $72.66M $328.0M
YoY Change -94.21% -503.01% -146.4%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -$42.20M 56.71M -$226.7M
YoY Change -60.33% -356.23% 43.89%
NET CHANGE
Cash From Operating Activities $10.23M 28.15M $108.5M
Cash From Investing Activities $16.78M 72.66M $328.0M
Cash From Financing Activities -$42.20M 56.71M -$226.7M
Net Change In Cash -$15.18M 157.5M $209.8M
YoY Change -108.07% -950.22% -127.1%
FREE CASH FLOW
Cash From Operating Activities $10.23M $28.15M $108.5M
Capital Expenditures $717.0K $938.0K $3.688M
Free Cash Flow $9.517M $27.21M $104.8M
YoY Change 165.25% 129.27% 40.69%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2022 us-gaap Interest Expense
InterestExpense
22577000 usd
CY2021 us-gaap Interest Expense
InterestExpense
19681000 usd
CY2023 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
0 usd
CY2021 us-gaap Payments For Origination And Purchases Of Loans Held For Sale
PaymentsForOriginationAndPurchasesOfLoansHeldForSale
230456000 usd
CY2023 us-gaap Proceeds From Sale Of Loans Held For Sale
ProceedsFromSaleOfLoansHeldForSale
93315000 usd
CY2022 us-gaap Proceeds From Sale Of Loans Held For Sale
ProceedsFromSaleOfLoansHeldForSale
156011000 usd
CY2023 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
1228000 usd
CY2023 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
7732000 usd
CY2023 us-gaap Noninterest Income
NoninterestIncome
46705000 usd
CY2022 us-gaap Noninterest Income
NoninterestIncome
36961000 usd
CY2023 us-gaap Salaries And Wages
SalariesAndWages
76609000 usd
CY2022 us-gaap Salaries And Wages
SalariesAndWages
57903000 usd
CY2021 us-gaap Salaries And Wages
SalariesAndWages
53371000 usd
CY2021 us-gaap Transfer Of Other Real Estate
TransferOfOtherRealEstate
2143000 usd
CY2023 dei Entity Shell Company
EntityShellCompany
false
CY2023Q2 dei Entity Public Float
EntityPublicFloat
776600000 usd
CY2024Q1 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
31227881 shares
CY2023 dei Auditor Firm
AuditorFirmId
686
CY2023 dei Auditor Name
AuditorName
FORVIS, LLP
CY2023 dei Entity Central Index Key
EntityCentralIndexKey
0000947559
CY2023 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2023
CY2023 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2023 dei Amendment Flag
AmendmentFlag
false
CY2023Q4 us-gaap Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss Current Statement Of Financial Position Extensible List
DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLossCurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#InterestReceivable
CY2023Q4 us-gaap Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss Statement Of Financial Position Extensible List
DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLossStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2023#InterestReceivable
CY2023 us-gaap Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List
FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfOtherComprehensiveIncomeExtensibleList
http://fasb.org/us-gaap/2023#OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
CY2022 us-gaap Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List
FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfOtherComprehensiveIncomeExtensibleList
http://fasb.org/us-gaap/2023#OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
CY2023Q4 us-gaap Derivative Asset Statement Of Financial Position Extensible Enumeration
DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration
http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4 us-gaap Derivative Liability Statement Of Financial Position Extensible Enumeration
DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration
http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023 dei Document Annual Report
DocumentAnnualReport
true
CY2023 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2023 dei Document Transition Report
DocumentTransitionReport
false
CY2023 dei Entity File Number
EntityFileNumber
000-22507
CY2023 dei Entity Registrant Name
EntityRegistrantName
THE FIRST BANCSHARES, INC.
CY2023 dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
MS
CY2023 dei Entity Tax Identification Number
EntityTaxIdentificationNumber
64-0862173
CY2023 dei Entity Address Address Line1
EntityAddressAddressLine1
6480 U.S. Hwy. 98 West, Suite A
CY2023 dei Entity Address City Or Town
EntityAddressCityOrTown
Hattiesburg
CY2023 dei Entity Address State Or Province
EntityAddressStateOrProvince
MS
CY2023 dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
39402
CY2023 dei City Area Code
CityAreaCode
601
CY2023 dei Local Phone Number
LocalPhoneNumber
268-8998
CY2023 dei Security12b Title
Security12bTitle
Common Stock
CY2023 dei Trading Symbol
TradingSymbol
FBMS
CY2023 dei Security Exchange Name
SecurityExchangeName
NASDAQ
CY2023 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
No
CY2023 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2023 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2023 dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
CY2023 dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
CY2023 dei Entity Small Business
EntitySmallBusiness
false
CY2023 dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
CY2023 dei Icfr Auditor Attestation Flag
IcfrAuditorAttestationFlag
true
CY2023 dei Document Fin Stmt Error Correction Flag
DocumentFinStmtErrorCorrectionFlag
false
CY2023 dei Auditor Location
AuditorLocation
Jackson, MS
CY2023Q4 us-gaap Cash And Due From Banks
CashAndDueFromBanks
224199000 usd
CY2022Q4 us-gaap Cash And Due From Banks
CashAndDueFromBanks
67176000 usd
CY2023Q4 us-gaap Interest Bearing Deposits In Banks
InterestBearingDepositsInBanks
130948000 usd
CY2022Q4 us-gaap Interest Bearing Deposits In Banks
InterestBearingDepositsInBanks
78139000 usd
CY2023Q4 us-gaap Cash Cash Equivalents And Federal Funds Sold
CashCashEquivalentsAndFederalFundsSold
355147000 usd
CY2022Q4 us-gaap Cash Cash Equivalents And Federal Funds Sold
CashCashEquivalentsAndFederalFundsSold
145315000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
1164227000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
1418337000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest
DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest
0 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest
DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest
0 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
1042365000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
1257101000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest
DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest
0 usd
CY2023Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
615944000 usd
CY2022Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
642097000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
654539000 usd
CY2022Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
691484000 usd
CY2023Q4 us-gaap Other Investments
OtherInvestments
37754000 usd
CY2022Q4 us-gaap Other Investments
OtherInvestments
33944000 usd
CY2023Q4 us-gaap Investments
Investments
1734658000 usd
CY2022Q4 us-gaap Investments
Investments
1982529000 usd
CY2023Q4 us-gaap Loans Receivable Held For Sale Amount
LoansReceivableHeldForSaleAmount
2914000 usd
CY2022Q4 us-gaap Loans Receivable Held For Sale Amount
LoansReceivableHeldForSaleAmount
4443000 usd
CY2023Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
54032000 usd
CY2022Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
38917000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
5116010000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
3735240000 usd
CY2023Q4 us-gaap Interest Receivable
InterestReceivable
33300000 usd
CY2022Q4 us-gaap Interest Receivable
InterestReceivable
27723000 usd
CY2023Q4 fbms Property Plant And Equipment And Right Of Use Assets
PropertyPlantAndEquipmentAndRightOfUseAssets
174309000 usd
CY2022Q4 fbms Property Plant And Equipment And Right Of Use Assets
PropertyPlantAndEquipmentAndRightOfUseAssets
143518000 usd
CY2023Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
6387000 usd
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
7620000 usd
CY2023Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
1466000 usd
CY2022Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
1930000 usd
CY2023Q4 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
134249000 usd
CY2022Q4 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
95571000 usd
CY2023Q4 us-gaap Goodwill
Goodwill
272520000 usd
CY2022Q4 us-gaap Goodwill
Goodwill
180254000 usd
CY2023Q4 us-gaap Other Real Estate
OtherRealEstate
8320000 usd
CY2022Q4 us-gaap Other Real Estate
OtherRealEstate
4832000 usd
CY2023Q4 us-gaap Other Assets
OtherAssets
160065000 usd
CY2022Q4 us-gaap Other Assets
OtherAssets
132742000 usd
CY2023Q4 us-gaap Assets
Assets
7999345000 usd
CY2022Q4 us-gaap Assets
Assets
6461717000 usd
CY2023Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
1849013000 usd
CY2022Q4 us-gaap Noninterest Bearing Deposit Liabilities
NoninterestBearingDepositLiabilities
1630203000 usd
CY2023Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
4613859000 usd
CY2022Q4 us-gaap Interest Bearing Deposit Liabilities
InterestBearingDepositLiabilities
3864201000 usd
CY2023Q4 us-gaap Deposits
Deposits
6462872000 usd
CY2022Q4 us-gaap Deposits
Deposits
5494404000 usd
CY2023Q4 us-gaap Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
22702000 usd
CY2022Q4 us-gaap Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
3324000 usd
CY2023Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
390000000 usd
CY2022Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
130100000 usd
CY2023Q4 us-gaap Subordinated Debt
SubordinatedDebt
123386000 usd
CY2022Q4 us-gaap Subordinated Debt
SubordinatedDebt
145027000 usd
CY2023Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
6550000 usd
CY2022Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
7810000 usd
CY2023Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
1739000 usd
CY2022Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
1918000 usd
CY2023Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
2075000 usd
CY2022Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
1325000 usd
CY2023Q4 us-gaap Other Liabilities
OtherLiabilities
40987000 usd
CY2022Q4 us-gaap Other Liabilities
OtherLiabilities
31146000 usd
CY2023Q4 us-gaap Liabilities
Liabilities
7050311000 usd
CY2022Q4 us-gaap Liabilities
Liabilities
5815054000 usd
CY2022Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1
CY2023Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1
CY2023Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
80000000 shares
CY2023Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
32338983 shares
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
40000000 shares
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
25275369 shares
CY2023Q4 us-gaap Common Stock Value
CommonStockValue
32339000 usd
CY2022Q4 us-gaap Common Stock Value
CommonStockValue
25275000 usd
CY2023Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
775232000 usd
CY2022Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
558833000 usd
CY2023Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
300150000 usd
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
252623000 usd
CY2023Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-117576000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-148957000 usd
CY2023Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
1249607 shares
CY2022Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
1249607 shares
CY2023Q4 us-gaap Treasury Stock Value
TreasuryStockValue
41111000 usd
CY2022Q4 us-gaap Treasury Stock Value
TreasuryStockValue
41111000 usd
CY2023Q4 us-gaap Stockholders Equity
StockholdersEquity
949034000 usd
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
646663000 usd
CY2023Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
7999345000 usd
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
6461717000 usd
CY2023 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
294541000 usd
CY2022 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
157768000 usd
CY2021 us-gaap Interest And Fee Income Loans And Leases
InterestAndFeeIncomeLoansAndLeases
151203000 usd
CY2023 fbms Interest And Dividend Income Securities Taxable
InterestAndDividendIncomeSecuritiesTaxable
32202000 usd
CY2022 fbms Interest And Dividend Income Securities Taxable
InterestAndDividendIncomeSecuritiesTaxable
29656000 usd
CY2021 fbms Interest And Dividend Income Securities Taxable
InterestAndDividendIncomeSecuritiesTaxable
16685000 usd
CY2023 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
11737000 usd
CY2022 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
11017000 usd
CY2021 us-gaap Interest Income Securities Tax Exempt
InterestIncomeSecuritiesTaxExempt
7721000 usd
CY2023 us-gaap Interest Income Deposits With Financial Institutions
InterestIncomeDepositsWithFinancialInstitutions
2453000 usd
CY2022 us-gaap Interest Income Deposits With Financial Institutions
InterestIncomeDepositsWithFinancialInstitutions
1952000 usd
CY2021 us-gaap Interest Income Deposits With Financial Institutions
InterestIncomeDepositsWithFinancialInstitutions
1136000 usd
CY2021 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
176745000 usd
CY2023 us-gaap Interest Expense
InterestExpense
91608000 usd
CY2023 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
249325000 usd
CY2022 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
177816000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
13750000 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
5350000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
-1456000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Off Balance Sheet Credit Exposures
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalOffBalanceSheetCreditExposures
750000 usd
CY2021 us-gaap Professional Fees
ProfessionalFees
4035000 usd
CY2023 us-gaap Marketing And Advertising Expense
MarketingAndAdvertisingExpense
833000 usd
CY2022 us-gaap Marketing And Advertising Expense
MarketingAndAdvertisingExpense
393000 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Off Balance Sheet Credit Exposures
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalOffBalanceSheetCreditExposures
255000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Off Balance Sheet Credit Exposures
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalOffBalanceSheetCreditExposures
352000 usd
CY2023 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
234825000 usd
CY2022 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
172211000 usd
CY2021 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
158168000 usd
CY2023 fbms Non Interest Income Service Charges On Deposit Accounts
NonInterestIncomeServiceChargesOnDepositAccounts
14175000 usd
CY2022 fbms Non Interest Income Service Charges On Deposit Accounts
NonInterestIncomeServiceChargesOnDepositAccounts
8668000 usd
CY2021 fbms Non Interest Income Service Charges On Deposit Accounts
NonInterestIncomeServiceChargesOnDepositAccounts
7264000 usd
CY2023 fbms Other Service Charges And Fees Income
OtherServiceChargesAndFeesIncome
3177000 usd
CY2022 fbms Other Service Charges And Fees Income
OtherServiceChargesAndFeesIncome
1833000 usd
CY2021 fbms Other Service Charges And Fees Income
OtherServiceChargesAndFeesIncome
1508000 usd
CY2023 us-gaap Noninterest Income Other
NoninterestIncomeOther
18914000 usd
CY2022 us-gaap Noninterest Income Other
NoninterestIncomeOther
12702000 usd
CY2021 us-gaap Noninterest Income Other
NoninterestIncomeOther
11562000 usd
CY2023 us-gaap Investment Income Net
InvestmentIncomeNet
2866000 usd
CY2022 us-gaap Investment Income Net
InvestmentIncomeNet
4303000 usd
CY2021 us-gaap Investment Income Net
InvestmentIncomeNet
8823000 usd
CY2023 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
3319000 usd
CY2022 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
2101000 usd
CY2021 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
1955000 usd
CY2023 fbms Income From Death Insurance Policies
IncomeFromDeathInsurancePolicies
0 usd
CY2022 fbms Income From Death Insurance Policies
IncomeFromDeathInsurancePolicies
1630000 usd
CY2021 fbms Income From Death Insurance Policies
IncomeFromDeathInsurancePolicies
0 usd
CY2023 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
35000 usd
CY2022 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-116000 usd
CY2021 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-264000 usd
CY2023 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-9716000 usd
CY2022 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-82000 usd
CY2021 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
143000 usd
CY2023 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
6000 usd
CY2022 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
214000 usd
CY2021 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
-300000 usd
CY2023 us-gaap Government Assistance Amount
GovernmentAssistanceAmount
6197000 usd
CY2022 us-gaap Government Assistance Amount
GovernmentAssistanceAmount
873000 usd
CY2021 us-gaap Government Assistance Amount
GovernmentAssistanceAmount
1826000 usd
CY2023 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
0 usd
CY2022 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
281000 usd
CY2021 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
1300000 usd
CY2022 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
4554000 usd
CY2021 us-gaap Noninterest Income Other Operating Income
NoninterestIncomeOtherOperatingIncome
3656000 usd
CY2021 us-gaap Noninterest Income
NoninterestIncome
37473000 usd
CY2023 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
16803000 usd
CY2022 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
15174000 usd
CY2021 us-gaap Pension And Other Postretirement Benefit Expense
PensionAndOtherPostretirementBenefitExpense
12485000 usd
CY2023 us-gaap Occupancy Net
OccupancyNet
17381000 usd
CY2022 us-gaap Occupancy Net
OccupancyNet
12854000 usd
CY2021 us-gaap Occupancy Net
OccupancyNet
12713000 usd
CY2023 us-gaap Equipment Expense
EquipmentExpense
3987000 usd
CY2022 us-gaap Equipment Expense
EquipmentExpense
2981000 usd
CY2021 us-gaap Equipment Expense
EquipmentExpense
2848000 usd
CY2023 fbms Printing And Supplies Expense
PrintingAndSuppliesExpense
1240000 usd
CY2022 fbms Printing And Supplies Expense
PrintingAndSuppliesExpense
967000 usd
CY2021 fbms Printing And Supplies Expense
PrintingAndSuppliesExpense
903000 usd
CY2023 us-gaap Professional Fees
ProfessionalFees
6446000 usd
CY2022 us-gaap Professional Fees
ProfessionalFees
3558000 usd
CY2021 us-gaap Marketing And Advertising Expense
MarketingAndAdvertisingExpense
615000 usd
CY2023 fbms Fdic Premium And Otsocc Assessments
FdicPremiumAndOtsoccAssessments
3849000 usd
CY2022 fbms Fdic Premium And Otsocc Assessments
FdicPremiumAndOtsoccAssessments
2122000 usd
CY2021 fbms Fdic Premium And Otsocc Assessments
FdicPremiumAndOtsoccAssessments
2074000 usd
CY2023 fbms Atm Expenses
AtmExpenses
5821000 usd
CY2022 fbms Atm Expenses
AtmExpenses
3873000 usd
CY2021 fbms Atm Expenses
AtmExpenses
3623000 usd
CY2023 us-gaap Communication
Communication
3579000 usd
CY2022 us-gaap Communication
Communication
1904000 usd
CY2021 us-gaap Communication
Communication
1754000 usd
CY2023 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
2771000 usd
CY2022 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
2211000 usd
CY2021 us-gaap Information Technology And Data Processing
InformationTechnologyAndDataProcessing
1578000 usd
CY2023 us-gaap Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
9075000 usd
CY2022 us-gaap Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
6410000 usd
CY2021 us-gaap Business Combination Integration Related Costs
BusinessCombinationIntegrationRelatedCosts
1607000 usd
CY2023 us-gaap Other Noninterest Expense
OtherNoninterestExpense
36332000 usd
CY2022 us-gaap Other Noninterest Expense
OtherNoninterestExpense
20133000 usd
CY2021 us-gaap Other Noninterest Expense
OtherNoninterestExpense
16953000 usd
CY2023 us-gaap Noninterest Expense
NoninterestExpense
184726000 usd
CY2022 us-gaap Noninterest Expense
NoninterestExpense
130483000 usd
CY2021 us-gaap Noninterest Expense
NoninterestExpense
114559000 usd
CY2023 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
96804000 usd
CY2022 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
78689000 usd
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
81082000 usd
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
21347000 usd
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
15770000 usd
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
16915000 usd
CY2023 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
75457000 usd
CY2023 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
75457000 usd
CY2022 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
62919000 usd
CY2022 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
62919000 usd
CY2021 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
64167000 usd
CY2021 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
64167000 usd
CY2023 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.41
CY2022 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.86
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.05
CY2023 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.39
CY2022 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.84
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.03
CY2023 us-gaap Net Income Loss
NetIncomeLoss
75457000 usd
CY2022 us-gaap Net Income Loss
NetIncomeLoss
62919000 usd
CY2021 us-gaap Net Income Loss
NetIncomeLoss
64167000 usd
CY2023 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
31921000 usd
CY2022 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
-173428000 usd
CY2021 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
-23738000 usd
CY2023 us-gaap Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax
OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax
0 usd
CY2022 us-gaap Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax
OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax
-36838000 usd
CY2021 us-gaap Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax
OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax
0 usd
CY2023 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax
-372000 usd
CY2022 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax
-97000 usd
CY2021 us-gaap Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Before Tax
OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossBeforeTax
0 usd
CY2023 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
-9716000 usd
CY2022 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
-82000 usd
CY2023 us-gaap Restricted Stock Expense
RestrictedStockExpense
2302000 usd
CY2022 us-gaap Restricted Stock Expense
RestrictedStockExpense
2425000 usd
CY2021 us-gaap Restricted Stock Expense
RestrictedStockExpense
3100000 usd
CY2021 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
143000 usd
CY2023 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
42009000 usd
CY2022 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
-210087000 usd
CY2021 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
-23881000 usd
CY2023 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
10628000 usd
CY2022 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
-53152000 usd
CY2021 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
-6043000 usd
CY2023 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
31381000 usd
CY2022 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-156935000 usd
CY2021 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-17838000 usd
CY2023 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
106838000 usd
CY2022 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
-94016000 usd
CY2021 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
46329000 usd
CY2020Q4 us-gaap Stockholders Equity
StockholdersEquity
644815000 usd
CY2021 us-gaap Net Income Loss
NetIncomeLoss
64167000 usd
CY2021 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
5171000 usd
CY2021 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.58
CY2021 us-gaap Dividends Common Stock
DividendsCommonStock
12180000 usd
CY2021 us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
0 usd
CY2021 us-gaap Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition
AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
3100000 usd
CY2021 fbms Repurchase Of Restricted Stock For Payment Of Taxes Value
RepurchaseOfRestrictedStockForPaymentOfTaxesValue
721000 usd
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
676172000 usd
CY2022 us-gaap Net Income Loss
NetIncomeLoss
62919000 usd
CY2022 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
22180000 usd
CY2022 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-156935000 usd
CY2022 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.74
CY2022 us-gaap Dividends Common Stock
DividendsCommonStock
16524000 usd
CY2022 us-gaap Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition
AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
2425000 usd
CY2022 fbms Repurchase Of Restricted Stock For Payment Of Taxes Value
RepurchaseOfRestrictedStockForPaymentOfTaxesValue
683000 usd
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
646663000 usd
CY2023 us-gaap Net Income Loss
NetIncomeLoss
75457000 usd
CY2023 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
31381000 usd
CY2023 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.90
CY2023 us-gaap Dividends Common Stock
DividendsCommonStock
27930000 usd
CY2023 us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
0 usd
CY2023 us-gaap Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition
AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
2302000 usd
CY2023Q4 us-gaap Stockholders Equity
StockholdersEquity
949034000 usd
CY2023 us-gaap Net Income Loss
NetIncomeLoss
75457000 usd
CY2022 us-gaap Net Income Loss
NetIncomeLoss
62919000 usd
CY2021 us-gaap Net Income Loss
NetIncomeLoss
64167000 usd
CY2023 us-gaap Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
12099000 usd
CY2022 us-gaap Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
12173000 usd
CY2021 us-gaap Depreciation Amortization And Accretion Net
DepreciationAmortizationAndAccretionNet
13792000 usd
CY2023 us-gaap Other Noncash Income
OtherNoncashIncome
355000 usd
CY2022 us-gaap Other Noncash Income
OtherNoncashIncome
28000 usd
CY2021 us-gaap Other Noncash Income
OtherNoncashIncome
27000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
14500000 usd
CY2022 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
5605000 usd
CY2021 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
-1104000 usd
CY2023 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
7006000 usd
CY2022 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
940000 usd
CY2021 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
1739000 usd
CY2023 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
3319000 usd
CY2022 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
2101000 usd
CY2021 us-gaap Bank Owned Life Insurance Income
BankOwnedLifeInsuranceIncome
1955000 usd
CY2023 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
4432000 usd
CY2022 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1706000 usd
CY2021 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
30000 usd
CY2023 us-gaap Gain Loss On Sale Of Properties
GainLossOnSaleOfProperties
35000 usd
CY2022 us-gaap Gain Loss On Sale Of Properties
GainLossOnSaleOfProperties
-116000 usd
CY2021 us-gaap Gain Loss On Sale Of Properties
GainLossOnSaleOfProperties
-264000 usd
CY2022 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
281000 usd
CY2021 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
1300000 usd
CY2023 fbms Equity Securities Gain Loss On Sale
EquitySecuritiesGainLossOnSale
-9716000 usd
CY2022 fbms Equity Securities Gain Loss On Sale
EquitySecuritiesGainLossOnSale
-82000 usd
CY2021 fbms Equity Securities Gain Loss On Sale
EquitySecuritiesGainLossOnSale
143000 usd
CY2023 fbms Other Real Estate Owned Expense Net Of Gain Loss On Sale Or Disposition
OtherRealEstateOwnedExpenseNetOfGainLossOnSaleOrDisposition
774000 usd
CY2022 fbms Other Real Estate Owned Expense Net Of Gain Loss On Sale Or Disposition
OtherRealEstateOwnedExpenseNetOfGainLossOnSaleOrDisposition
159000 usd
CY2021 fbms Other Real Estate Owned Expense Net Of Gain Loss On Sale Or Disposition
OtherRealEstateOwnedExpenseNetOfGainLossOnSaleOrDisposition
815000 usd
CY2023 us-gaap Payments For Origination And Purchases Of Loans Held For Sale
PaymentsForOriginationAndPurchasesOfLoansHeldForSale
91786000 usd
CY2022 us-gaap Payments For Origination And Purchases Of Loans Held For Sale
PaymentsForOriginationAndPurchasesOfLoansHeldForSale
152776000 usd
CY2021 us-gaap Proceeds From Sale Of Loans Held For Sale
ProceedsFromSaleOfLoansHeldForSale
244210000 usd
CY2022 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
2987000 usd
CY2021 us-gaap Increase Decrease In Accrued Interest Receivable Net
IncreaseDecreaseInAccruedInterestReceivableNet
-3218000 usd
CY2023 us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
-16086000 usd
CY2022 us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
45692000 usd
CY2021 us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
1056000 usd
CY2023 us-gaap Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
19378000 usd
CY2022 us-gaap Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
1613000 usd
CY2021 us-gaap Increase Decrease In Interest Payable Net
IncreaseDecreaseInInterestPayableNet
-463000 usd
CY2023 us-gaap Increase Decrease In Operating Lease Liability
IncreaseDecreaseInOperatingLeaseLiability
-1260000 usd
CY2022 us-gaap Increase Decrease In Operating Lease Liability
IncreaseDecreaseInOperatingLeaseLiability
-1306000 usd
CY2021 us-gaap Increase Decrease In Operating Lease Liability
IncreaseDecreaseInOperatingLeaseLiability
-1839000 usd
CY2023 us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
-39710000 usd
CY2022 us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
51449000 usd
CY2021 us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
2783000 usd
CY2023 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
108508000 usd
CY2022 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
90027000 usd
CY2021 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
95715000 usd
CY2023 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
285793000 usd
CY2022 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
21069000 usd
CY2021 us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
0 usd
CY2023 us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
132919000 usd
CY2022 us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
197417000 usd
CY2021 us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
229091000 usd
CY2023 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
8473000 usd
CY2022 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
6500000 usd
CY2021 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
988536000 usd
CY2023 us-gaap Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
40469000 usd
CY2022 us-gaap Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
474000 usd
CY2021 us-gaap Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
0 usd
CY2023 us-gaap Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
0 usd
CY2022 us-gaap Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
602718000 usd
CY2021 us-gaap Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
0 usd
CY2023 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
17094000 usd
CY2022 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
11444000 usd
CY2021 us-gaap Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
0 usd
CY2023 us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
14466000 usd
CY2022 us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
1237000 usd
CY2021 us-gaap Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
5276000 usd
CY2023 us-gaap Payments For Proceeds From Loans Receivable
PaymentsForProceedsFromLoansReceivable
227896000 usd
CY2022 us-gaap Payments For Proceeds From Loans Receivable
PaymentsForProceedsFromLoansReceivable
326113000 usd
CY2021 us-gaap Payments For Proceeds From Loans Receivable
PaymentsForProceedsFromLoansReceivable
-202194000 usd
CY2023 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
3688000 usd
CY2022 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
15522000 usd
CY2021 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
7125000 usd
CY2023 us-gaap Payments To Acquire Life Insurance Policies
PaymentsToAcquireLifeInsurancePolicies
0 usd
CY2022 us-gaap Payments To Acquire Life Insurance Policies
PaymentsToAcquireLifeInsurancePolicies
0 usd
CY2021 us-gaap Payments To Acquire Life Insurance Policies
PaymentsToAcquireLifeInsurancePolicies
11733000 usd
CY2023 us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
3069000 usd
CY2022 us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
8930000 usd
CY2021 us-gaap Proceeds From Sale Of Other Real Estate
ProceedsFromSaleOfOtherRealEstate
4562000 usd
CY2023 us-gaap Proceeds From Sale Of Land Held For Use
ProceedsFromSaleOfLandHeldForUse
1416000 usd
CY2022 us-gaap Proceeds From Sale Of Land Held For Use
ProceedsFromSaleOfLandHeldForUse
712000 usd
CY2021 us-gaap Proceeds From Sale Of Land Held For Use
ProceedsFromSaleOfLandHeldForUse
0 usd
CY2023 us-gaap Proceeds From Divestiture Of Businesses And Interests In Affiliates
ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates
106793000 usd
CY2022 us-gaap Proceeds From Divestiture Of Businesses And Interests In Affiliates
ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates
23939000 usd
CY2021 us-gaap Proceeds From Divestiture Of Businesses And Interests In Affiliates
ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates
358916000 usd
CY2023 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
327995000 usd
CY2022 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-706889000 usd
CY2021 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-207355000 usd
CY2023 us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
-427481000 usd
CY2022 us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
-223322000 usd
CY2021 us-gaap Increase Decrease In Deposits
IncreaseDecreaseInDeposits
601575000 usd
CY2023 us-gaap Proceeds From Other Debt
ProceedsFromOtherDebt
7600043000 usd
CY2022 us-gaap Proceeds From Other Debt
ProceedsFromOtherDebt
2055401000 usd
CY2021 us-gaap Proceeds From Other Debt
ProceedsFromOtherDebt
0 usd
CY2023 us-gaap Repayments Of Debt
RepaymentsOfDebt
7340143000 usd
CY2022 us-gaap Repayments Of Debt
RepaymentsOfDebt
1950301000 usd
CY2021 us-gaap Repayments Of Debt
RepaymentsOfDebt
114647000 usd
CY2023 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
27550000 usd
CY2022 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
16275000 usd
CY2021 us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
11991000 usd
CY2023 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
0 usd
CY2022 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
22180000 usd
CY2021 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
5171000 usd
CY2023 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
361000 usd
CY2022 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
683000 usd
CY2021 us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
721000 usd
CY2023 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
179000 usd
CY2023 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
0 usd
CY2022 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
0 usd
CY2021 us-gaap Payments Of Debt Issuance Costs
PaymentsOfDebtIssuanceCosts
59000 usd
CY2022 us-gaap Repayments Of Subordinated Debt
RepaymentsOfSubordinatedDebt
0 usd
CY2021 us-gaap Repayments Of Subordinated Debt
RepaymentsOfSubordinatedDebt
0 usd
CY2021 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
468799000 usd
CY2022 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-774398000 usd
CY2021 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
357159000 usd
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
562554000 usd
CY2023Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
355147000 usd
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
145315000 usd
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
919713000 usd
CY2023 us-gaap Interest Paid Net
InterestPaidNet
51101000 usd
CY2022 us-gaap Interest Paid Net
InterestPaidNet
16932000 usd
CY2021 us-gaap Interest Paid Net
InterestPaidNet
16368000 usd
CY2023 us-gaap Income Taxes Paid
IncomeTaxesPaid
16084000 usd
CY2022 us-gaap Income Taxes Paid
IncomeTaxesPaid
7194000 usd
CY2021 us-gaap Income Taxes Paid
IncomeTaxesPaid
15717000 usd
CY2023 us-gaap Transfer Of Other Real Estate
TransferOfOtherRealEstate
6602000 usd
CY2022 us-gaap Transfer Of Other Real Estate
TransferOfOtherRealEstate
2560000 usd
CY2023 fbms Transfer Of Securities Available For Sale To Held To Maturity
TransferOfSecuritiesAvailableForSaleToHeldToMaturity
0 usd
CY2022 fbms Transfer Of Securities Available For Sale To Held To Maturity
TransferOfSecuritiesAvailableForSaleToHeldToMaturity
139598000 usd
CY2021 fbms Transfer Of Securities Available For Sale To Held To Maturity
TransferOfSecuritiesAvailableForSaleToHeldToMaturity
0 usd
CY2023 us-gaap Stock Issued1
StockIssued1
168000 usd
CY2022 us-gaap Stock Issued1
StockIssued1
130000 usd
CY2021 us-gaap Stock Issued1
StockIssued1
94000 usd
CY2023 fbms Non Cash Dividends On Restricted Stock
NonCashDividendsOnRestrictedStock
380000 usd
CY2022 fbms Non Cash Dividends On Restricted Stock
NonCashDividendsOnRestrictedStock
249000 usd
CY2021 fbms Non Cash Dividends On Restricted Stock
NonCashDividendsOnRestrictedStock
189000 usd
CY2023 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
817000 usd
CY2022 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
2698000 usd
CY2021 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
168000 usd
CY2023 us-gaap Nature Of Operations
NatureOfOperations
NATURE OF BUSINESS<div style="margin-top:12pt;text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The First Bancshares, Inc. (the “Company”) is a bank holding company whose business is primarily conducted by its wholly-owned subsidiary, The First Bank (the “Bank”), formerly known as The First, A National Banking Association. The Bank provides a full range of banking services in its primary market area of Mississippi, Louisiana, Alabama, Florida, and Georgia. The Company is regulated by the Federal Reserve Bank. Its subsidiary bank is currently subject to the regulation of the Federal Reserve Bank and the Mississippi Department of Banking and Consumer Finance, and was previously subject to the regulation of the OCC.</span></div><div style="margin-top:12pt;text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">On January 15, 2022, the Bank, then named The First, A National Banking Association, converted from a national banking association to a Mississippi state-chartered bank and changed its name to The First Bank. The First Bank is a member of the Federal Reserve System through the Federal Reserve Bank of Atlanta. The charter conversion and name change are expected to have only a minimal impact on the Bank’s clients, and deposits will continue to be insured by the Federal Deposit Insurance Corporation up to the applicable limits.</span></div><div style="margin-top:12pt;text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The principal products produced, and services rendered by the Company and are as follows:</span></div><div style="margin-top:12pt;padding-left:36pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Commercial Banking - The Company provides a full range of commercial banking services to corporations and other business customers. Loans are provided for a variety of general corporate purposes, including financing for commercial and industrial projects, income producing commercial real estate, owner-occupied real estate and construction and land development. The Company also provides deposit services, including checking, savings and money market accounts and certificate of deposit as well as treasury management services.</span></div><div style="margin-top:12pt;padding-left:36pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Consumer Banking - The Company provides banking services to consumers, including checking, savings, and money market accounts as well as certificate of deposit and individual retirement accounts. In addition, the Company provides consumers with installment and real estate loans and lines of credit.</span></div><div style="margin-top:12pt;padding-left:36pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Mortgage Banking - The Company provides residential mortgage banking services, including construction financing, for conventional and government insured home loans to be sold in the secondary market.</span></div>
CY2023 us-gaap Use Of Estimates
UseOfEstimates
<div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:12pt;text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for credit losses, acquisition accounting, intangible assets, deferred tax assets, and fair value of financial instruments.</span></div>
CY2023 fbms Debt Securities Afs Accrued Interest Reversed Against Interest Income
DebtSecuritiesAFSAccruedInterestReversedAgainstInterestIncome
0 usd
CY2021 fbms Debt Securities Afs Accrued Interest Reversed Against Interest Income
DebtSecuritiesAFSAccruedInterestReversedAgainstInterestIncome
0 usd
CY2022 fbms Debt Securities Afs Accrued Interest Reversed Against Interest Income
DebtSecuritiesAFSAccruedInterestReversedAgainstInterestIncome
0 usd
CY2021 fbms Debt Securities Htm Accrued Interest Reversed Against Interest Income
DebtSecuritiesHTMAccruedInterestReversedAgainstInterestIncome
0 usd
CY2023 fbms Debt Securities Htm Accrued Interest Reversed Against Interest Income
DebtSecuritiesHTMAccruedInterestReversedAgainstInterestIncome
0 usd
CY2022 fbms Debt Securities Htm Accrued Interest Reversed Against Interest Income
DebtSecuritiesHTMAccruedInterestReversedAgainstInterestIncome
0 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest
DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest
0 usd
CY2022Q4 us-gaap Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest
DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest
0 usd
CY2023Q4 fbms Trading Account Securities On Hand
TradingAccountSecuritiesOnHand
0 usd
CY2022Q4 fbms Trading Account Securities On Hand
TradingAccountSecuritiesOnHand
0 usd
CY2022Q4 us-gaap Equity Securities Without Readily Determinable Fair Value Amount
EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
0 usd
CY2023Q4 us-gaap Equity Securities Without Readily Determinable Fair Value Amount
EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
0 usd
CY2021 us-gaap Equity Method Investment Other Than Temporary Impairment
EquityMethodInvestmentOtherThanTemporaryImpairment
0 usd
CY2022 us-gaap Equity Method Investment Other Than Temporary Impairment
EquityMethodInvestmentOtherThanTemporaryImpairment
0 usd
CY2023 us-gaap Equity Method Investment Other Than Temporary Impairment
EquityMethodInvestmentOtherThanTemporaryImpairment
0 usd
CY2023Q4 fbms Minimum Loan Balance For Performing Individual Evaluation For Impairment
MinimumLoanBalanceForPerformingIndividualEvaluationForImpairment
500000 usd
CY2023Q4 us-gaap Other Real Estate
OtherRealEstate
8300000 usd
CY2022Q4 us-gaap Other Real Estate
OtherRealEstate
4800000 usd
CY2022Q4 us-gaap Goodwill
Goodwill
180254000 usd
CY2021Q4 us-gaap Goodwill
Goodwill
156663000 usd
CY2020Q4 us-gaap Goodwill
Goodwill
156944000 usd
CY2023 us-gaap Goodwill Period Increase Decrease
GoodwillPeriodIncreaseDecrease
92266000 usd
CY2022 us-gaap Goodwill Period Increase Decrease
GoodwillPeriodIncreaseDecrease
23591000 usd
CY2021 us-gaap Goodwill Period Increase Decrease
GoodwillPeriodIncreaseDecrease
-281000 usd
CY2023Q4 us-gaap Goodwill
Goodwill
272520000 usd
CY2022Q4 us-gaap Goodwill
Goodwill
180254000 usd
CY2021Q4 us-gaap Goodwill
Goodwill
156663000 usd
CY2023Q4 us-gaap Finite Lived Intangible Asset Useful Life
FiniteLivedIntangibleAssetUsefulLife
P10Y
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
9533000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
9518000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
9518000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
9185000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
8193000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Amortization Expense After Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
22865000 usd
CY2023Q4 us-gaap Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
68812000 usd
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.03
CY2023Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
537000 usd
CY2023 us-gaap Advertising Expense
AdvertisingExpense
833000 usd
CY2022 us-gaap Advertising Expense
AdvertisingExpense
393000 usd
CY2021 us-gaap Advertising Expense
AdvertisingExpense
391000 usd
CY2023 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
75457000 usd
CY2023 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
31373718 shares
CY2023 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.41
CY2023 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
192073 shares
CY2023 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
75457000 usd
CY2023 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
31565791 shares
CY2023 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.39
CY2022 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
62919000 usd
CY2022 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
22023595 shares
CY2022 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.86
CY2022 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
141930 shares
CY2022 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
62919000 usd
CY2022 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
22165525 shares
CY2022 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.84
CY2021 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
64167000 usd
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
21017189000 shares
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.05
CY2021 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
149520000 shares
CY2021 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
64167000 usd
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
21166709000 shares
CY2023 us-gaap Prior Period Reclassification Adjustment Description
PriorPeriodReclassificationAdjustmentDescription
<div style="margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Reclassifications</span></div><div style="margin-top:12pt;text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain reclassifications have been made to the 2022 and 2021 financial statements to conform with the classifications used in 2023. These reclassifications did not impact the Company’s consolidated financial condition or results of operations.</span></div>
CY2023Q4 us-gaap Finite Lived Intangible Asset Useful Life
FiniteLivedIntangibleAssetUsefulLife
P10Y
CY2023 us-gaap Business Acquisitions Pro Forma Revenue
BusinessAcquisitionsProFormaRevenue
296030000 usd
CY2022 us-gaap Business Acquisitions Pro Forma Revenue
BusinessAcquisitionsProFormaRevenue
307284000 usd
CY2023 us-gaap Business Acquisitions Pro Forma Net Income Loss
BusinessAcquisitionsProFormaNetIncomeLoss
105879000 usd
CY2022 us-gaap Business Acquisitions Pro Forma Net Income Loss
BusinessAcquisitionsProFormaNetIncomeLoss
118465000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss
1164227000 usd
CY2023Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
122399000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
1042365000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
654539000 usd
CY2023Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
9566000 usd
CY2023Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
48161000 usd
CY2023Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
615944000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss
1418337000 usd
CY2022Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
672000 usd
CY2022Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
161908000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
1257101000 usd
CY2022Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
691484000 usd
CY2022Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Gain
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
4532000 usd
CY2022Q4 us-gaap Held To Maturity Securities Accumulated Unrecognized Holding Loss
HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
53919000 usd
CY2022Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
642097000 usd
CY2022Q4 fbms Debt Securities Held To Maturity Accumulated Unrecognized Loss Transferred From Available For Sale
DebtSecuritiesHeldToMaturityAccumulatedUnrecognizedLossTransferredFromAvailableForSale
36800000 usd
CY2022Q4 fbms Amount Of Reserve Recorded
AmountOfReserveRecorded
0 usd
CY2023Q4 fbms Amount Of Reserve Recorded
AmountOfReserveRecorded
0 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss Current
DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLossCurrent
5200000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss Current
DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLossCurrent
6200000 usd
CY2023Q4 fbms Debt Securities Held To Maturity Credit Loss Exposure
DebtSecuritiesHeldToMaturityCreditLossExposure
205000 usd
CY2022Q4 fbms Debt Securities Held To Maturity Credit Loss Exposure
DebtSecuritiesHeldToMaturityCreditLossExposure
242000 usd
CY2022Q4 fbms Amount Of Reserve Recorded
AmountOfReserveRecorded
0 usd
CY2023Q4 fbms Amount Of Reserve Recorded
AmountOfReserveRecorded
0 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss
3400000 usd
CY2022Q4 us-gaap Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss
3600000 usd
CY2022Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest Nonaccrual
DebtSecuritiesHeldToMaturityExcludingAccruedInterestNonaccrual
0 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest Nonaccrual
DebtSecuritiesHeldToMaturityExcludingAccruedInterestNonaccrual
0 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
654539000 usd
CY2022Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
691484000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis
45559000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value
AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
45246000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis
150165000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
143592000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis
306927000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
270342000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis
164897000 usd
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value
AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue
141524000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss
DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss
1164227000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
1042365000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Rolling Within One Year
DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateRollingWithinOneYear
39082000 usd
CY2023Q4 us-gaap Held To Maturity Securities Debt Maturities Within One Year Fair Value
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
38725000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year One Through Five
DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive
72333000 usd
CY2023Q4 us-gaap Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
69387000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10
DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10
54428000 usd
CY2023Q4 us-gaap Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
49697000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10
DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10
214412000 usd
CY2023Q4 us-gaap Held To Maturity Securities Debt Maturities After Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
210422000 usd
CY2023Q4 us-gaap Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss Current
DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossCurrent
654539000 usd
CY2023Q4 us-gaap Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
615944000 usd
CY2023 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
65000 usd
CY2022 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
82000 usd
CY2021 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
202000 usd
CY2023 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
9781000 usd
CY2022 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
164000 usd
CY2021 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
59000 usd
CY2023 us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
-9716000 usd
CY2022 us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
-82000 usd
CY2021 us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
143000 usd
CY2023Q4 us-gaap Security Owned And Pledged As Collateral Associated Liabilities Fair Value
SecurityOwnedAndPledgedAsCollateralAssociatedLiabilitiesFairValue
1095000000.000 usd
CY2022Q4 us-gaap Security Owned And Pledged As Collateral Associated Liabilities Fair Value
SecurityOwnedAndPledgedAsCollateralAssociatedLiabilitiesFairValue
1031000000.000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
27175000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
1545000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
980148000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
120854000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
1007323000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
122399000 usd
CY2023Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
12139000 usd
CY2023Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
3956000 usd
CY2023Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
463980000 usd
CY2023Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
44205000 usd
CY2023Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
476119000 usd
CY2023Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
48161000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
475479000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
43854000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
752306000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
118054000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
1227785000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
161908000 usd
CY2022Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
530503000 usd
CY2022Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
53803000 usd
CY2022Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
15303000 usd
CY2022Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
116000 usd
CY2022Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Fair Value
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
545806000 usd
CY2022Q4 us-gaap Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
53919000 usd
CY2023Q4 fbms Number Of Security Portfolio
NumberOfSecurityPortfolio
1125 security
CY2022Q4 fbms Number Of Security Portfolio
NumberOfSecurityPortfolio
1265 security
CY2023Q4 us-gaap Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest
DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest
0 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest
DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest
0 usd
CY2023Q4 us-gaap Loans Receivable Held For Sale Amount
LoansReceivableHeldForSaleAmount
2914000 usd
CY2022Q4 us-gaap Loans Receivable Held For Sale Amount
LoansReceivableHeldForSaleAmount
4443000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
5170042000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
3774157000 usd
CY2023Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
54032000 usd
CY2022Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
38917000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
5116010000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
3735240000 usd
CY2023Q4 fbms Paycheck Protection Program Loans
PaycheckProtectionProgramLoans
386000 usd
CY2022Q4 fbms Paycheck Protection Program Loans
PaycheckProtectionProgramLoans
710000 usd
CY2023Q4 us-gaap Financing Receivable Accrued Interest Before Allowance For Credit Loss
FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
24700000 usd
CY2022Q4 us-gaap Financing Receivable Accrued Interest Before Allowance For Credit Loss
FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
18000000 usd
CY2023Q4 fbms Financing Receivable Excluding Accrued Interest30 To89 Days Past Due
FinancingReceivableExcludingAccruedInterest30To89DaysPastDue
7913000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest90 Days Or More Past Due Still Accruing
FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing
1163000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Nonaccrual
FinancingReceivableExcludingAccruedInterestNonaccrual
5980000 usd
CY2023Q4 fbms Pcd Loan
PcdLoan
4710000 usd
CY2023Q4 fbms Total Past Due Nonaccrural And Pcd
TotalPastDueNonaccruralAndPCD
19766000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
5170042000 usd
CY2023Q4 fbms Nonaccrual And Pcd With No Acl
NonaccrualAndPCDWithNoACL
1555000 usd
CY2023Q4 fbms Paycheck Protection Program Loans
PaycheckProtectionProgramLoans
386000 usd
CY2022Q4 fbms Financing Receivable Excluding Accrued Interest30 To89 Days Past Due
FinancingReceivableExcludingAccruedInterest30To89DaysPastDue
5763000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest90 Days Or More Past Due Still Accruing
FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing
289000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Nonaccrual
FinancingReceivableExcludingAccruedInterestNonaccrual
10430000 usd
CY2022Q4 fbms Pcd Loan
PcdLoan
2161000 usd
CY2022Q4 fbms Total Past Due Nonaccrural And Pcd
TotalPastDueNonaccruralAndPCD
18643000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
3774157000 usd
CY2022Q4 fbms Nonaccrual And Pcd With No Acl
NonaccrualAndPCDWithNoACL
5351000 usd
CY2022Q4 fbms Paycheck Protection Program Loans
PaycheckProtectionProgramLoans
710000 usd
CY2023Q4 fbms Amortized Cost Pcd Loans
AmortizedCostPcdLoans
57800000 usd
CY2022Q4 fbms Amortized Cost Pcd Loans
AmortizedCostPcdLoans
24000000 usd
CY2023Q4 fbms Financing Receivable Excluding Accrued Interest Allowance Pcd Loans
FinancingReceivableExcludingAccruedInterestAllowancePCDLoans
3700000 usd
CY2022Q4 fbms Financing Receivable Excluding Accrued Interest Allowance Pcd Loans
FinancingReceivableExcludingAccruedInterestAllowancePCDLoans
1700000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Modified Period
FinancingReceivableExcludingAccruedInterestModifiedPeriod
581000 usd
CY2023 us-gaap Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent
FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent
0.0002
CY2022Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
21800000 usd
CY2021Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
24200000 usd
CY2023Q4 fbms Additional Amounts Committed On Troubled Debt Restructuring Loans
AdditionalAmountsCommittedOnTroubledDebtRestructuringLoans
0 usd
CY2022 fbms Financing Receivable Troubled Debt Restructuring Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLossExcludingAccruedInterest
841000 usd
CY2021 fbms Financing Receivable Troubled Debt Restructuring Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLossExcludingAccruedInterest
4300000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Modifications Number Of Contracts During Period
FinancingReceivableExcludingAccruedInterestModificationsNumberOfContractsDuringPeriod
1 loan
CY2023 fbms Financing Receivable Excluding Accrued Interest Modifications Pre Modification Recorded Investment During Period
FinancingReceivableExcludingAccruedInterestModificationsPreModificationRecordedInvestmentDuringPeriod
134000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Modifications Post Modification Recorded Investment During Period
FinancingReceivableExcludingAccruedInterestModificationsPostModificationRecordedInvestmentDuringPeriod
135000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Modifications Interest Income Recognized
FinancingReceivableExcludingAccruedInterestModificationsInterestIncomeRecognized
7000 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Modifications Number Of Contracts During Period
FinancingReceivableExcludingAccruedInterestModificationsNumberOfContractsDuringPeriod
11 loan
CY2022 fbms Financing Receivable Excluding Accrued Interest Modifications Pre Modification Recorded Investment During Period
FinancingReceivableExcludingAccruedInterestModificationsPreModificationRecordedInvestmentDuringPeriod
5424000 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Modifications Post Modification Recorded Investment During Period
FinancingReceivableExcludingAccruedInterestModificationsPostModificationRecordedInvestmentDuringPeriod
5115000 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Modifications Interest Income Recognized
FinancingReceivableExcludingAccruedInterestModificationsInterestIncomeRecognized
239000 usd
CY2022 fbms Financing Receivable Troubled Debt Restructuring Allowance For Credit Loss Excluding Accrued Interest Increase Decrease
FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLossExcludingAccruedInterestIncreaseDecrease
22000 usd
CY2021 fbms Financing Receivable Troubled Debt Restructuring Allowance For Credit Loss Excluding Accrued Interest Increase Decrease
FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLossExcludingAccruedInterestIncreaseDecrease
1600000 usd
CY2023Q4 fbms Financing Receivable Troubled Debt Restructuring Excluding Accrued Interest Allowance For Credit Loss For Troubled Debt Restructurings Writeoff
FinancingReceivableTroubledDebtRestructuringExcludingAccruedInterestAllowanceForCreditLossForTroubledDebtRestructuringsWriteoff
0 usd
CY2021Q4 fbms Financing Receivable Troubled Debt Restructuring Excluding Accrued Interest Allowance For Credit Loss For Troubled Debt Restructurings Writeoff
FinancingReceivableTroubledDebtRestructuringExcludingAccruedInterestAllowanceForCreditLossForTroubledDebtRestructuringsWriteoff
0 usd
CY2022Q4 fbms Financing Receivable Troubled Debt Restructuring Excluding Accrued Interest Allowance For Credit Loss For Troubled Debt Restructurings Writeoff
FinancingReceivableTroubledDebtRestructuringExcludingAccruedInterestAllowanceForCreditLossForTroubledDebtRestructuringsWriteoff
0 usd
CY2023 us-gaap Financing Receivable Modifications Subsequent Default Number Of Contracts1
FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
1 loan
CY2023 us-gaap Financing Receivable Modifications Subsequent Default Recorded Investment1
FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
134000 usd
CY2022 us-gaap Financing Receivable Modifications Subsequent Default Number Of Contracts1
FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
2 loan
CY2022 us-gaap Financing Receivable Modifications Subsequent Default Recorded Investment1
FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
55000 usd
CY2022 fbms Financing Receivable Troubled Debt Restructuring Subsequent Default Allowance For Credit Loss Excluding Accrued Interest Increase Decrease
FinancingReceivableTroubledDebtRestructuringSubsequentDefaultAllowanceForCreditLossExcludingAccruedInterestIncreaseDecrease
22000 usd
CY2021 fbms Financing Receivable Troubled Debt Restructuring Subsequent Default Allowance For Credit Loss Excluding Accrued Interest Increase Decrease
FinancingReceivableTroubledDebtRestructuringSubsequentDefaultAllowanceForCreditLossExcludingAccruedInterestIncreaseDecrease
21000 usd
CY2022Q4 us-gaap Financing Receivable Modifications Recorded Investment
FinancingReceivableModificationsRecordedInvestment
21751000 usd
CY2022Q4 fbms Financing Receivable Financing Receivable Troubled Debt Restructuring Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableFinancingReceivableTroubledDebtRestructuringAllowanceForCreditLossExcludingAccruedInterest
841000 usd
CY2023Q4 fbms Financing Receivable Excluding Accrued Interest Impaired Amortized Cost
FinancingReceivableExcludingAccruedInterestImpairedAmortizedCost
2902000 usd
CY2022Q4 fbms Financing Receivable Excluding Accrued Interest Impaired Amortized Cost
FinancingReceivableExcludingAccruedInterestImpairedAmortizedCost
5558000 usd
CY2023Q4 fbms Other Financing Institutions Total Loans
OtherFinancingInstitutionsTotalLoans
304000000 usd
CY2023Q4 fbms Other Financing Institutions Loans Sold
OtherFinancingInstitutionsLoansSold
165900000 usd
CY2023Q4 fbms Other Financing Institutions Loans Purchased
OtherFinancingInstitutionsLoansPurchased
138100000 usd
CY2022Q4 fbms Other Financing Institutions Total Loans
OtherFinancingInstitutionsTotalLoans
202600000 usd
CY2022Q4 fbms Other Financing Institutions Loans Sold
OtherFinancingInstitutionsLoansSold
100100000 usd
CY2022Q4 fbms Other Financing Institutions Loans Purchased
OtherFinancingInstitutionsLoansPurchased
102500000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
689932000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
1332165000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
905776000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
560460000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
368126000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
859287000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Revolving
FinancingReceivableExcludingAccruedInterestRevolving
454296000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
5170042000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff
FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff
245000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff
FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
637000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff
FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
641000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff
FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
318000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff
FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
362000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff
FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
768000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Revolving Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRevolvingWriteoff
121000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
3092000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
1111109000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
825738000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
509928000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
347053000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
253717000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year
FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
607487000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Revolving
FinancingReceivableExcludingAccruedInterestRevolving
119125000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
3774157000 usd
CY2023 fbms Lgd Interest Rate
LgdInterestRate
0.150
CY2023 fbms Threshold Default Percentage
ThresholdDefaultPercentage
0.010
CY2022Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
38917000 usd
CY2023Q4 fbms Financing Receivable Allowance For Credit Loss Excluding Accrued Interest Pcd Loans
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestPCDLoans
3176000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
13750000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
3092000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
1281000 usd
CY2023Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
54032000 usd
CY2021Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
30742000 usd
CY2022Q4 fbms Financing Receivable Allowance For Credit Loss Excluding Accrued Interest Pcd Loans
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestPCDLoans
1303000 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
5350000 usd
CY2022 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
1218000 usd
CY2022 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
2740000 usd
CY2022Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
38917000 usd
CY2020Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
35820000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Impact Of Asc326 Adoption On Non Pcd Loans
FinancingReceivableExcludingAccruedInterestImpactOfASC326AdoptionOnNonPCDLoans
-718000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Impact Of Asc326 Adoption On Pcd Loans
FinancingReceivableExcludingAccruedInterestImpactOfASC326AdoptionOnPCDLoans
1115000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
-1456000 usd
CY2021 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
6213000 usd
CY2021 us-gaap Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery
FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
2194000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
-1500000 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
13800000 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
5400000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
5116000000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
3735000000 usd
fbms Increase Decrease In Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
IncreaseDecreaseInFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
1381000000 usd
fbms Increase Decrease In Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Percent
IncreaseDecreaseInFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossPercent
0.370
CY2022 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
5400000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
-1500000 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal Loan Held From Investments
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversalLoanHeldFromInvestments
-1500000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
5170042000 usd
CY2023Q4 us-gaap Financing Receivable Allowance For Credit Loss Excluding Accrued Interest
FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
54032000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss
FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
3774157000 usd
CY2023Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
218069000 usd
CY2022Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
180609000 usd
CY2023Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
43760000 usd
CY2022Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
37091000 usd
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
174309000 usd
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
143518000 usd
CY2023 us-gaap Depreciation
Depreciation
7400000 usd
CY2022 us-gaap Depreciation
Depreciation
5700000 usd
CY2021 us-gaap Depreciation
Depreciation
5400000 usd
CY2023Q4 us-gaap Time Deposits At Or Above Fdic Insurance Limit
TimeDepositsAtOrAboveFDICInsuranceLimit
292900000 usd
CY2022Q4 us-gaap Time Deposits At Or Above Fdic Insurance Limit
TimeDepositsAtOrAboveFDICInsuranceLimit
146600000 usd
CY2023Q4 us-gaap Time Deposit Maturities Year One
TimeDepositMaturitiesYearOne
971259000 usd
CY2023Q4 us-gaap Time Deposit Maturities Year Two
TimeDepositMaturitiesYearTwo
59867000 usd
CY2023Q4 us-gaap Time Deposit Maturities Year Three
TimeDepositMaturitiesYearThree
13593000 usd
CY2023Q4 us-gaap Time Deposit Maturities Year Four
TimeDepositMaturitiesYearFour
7575000 usd
CY2023Q4 us-gaap Time Deposit Maturities Year Five
TimeDepositMaturitiesYearFive
14935000 usd
CY2023Q4 us-gaap Time Deposit Maturities After Year Five
TimeDepositMaturitiesAfterYearFive
8527000 usd
CY2023Q4 us-gaap Time Deposits
TimeDeposits
1075756000 usd
CY2023Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
390000000 usd
CY2022Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
130100000 usd
CY2023Q4 us-gaap Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds
FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds
2051000000.000 usd
CY2022Q4 us-gaap Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds
FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds
1679000000 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
390000000 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
0 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
0 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
0 usd
CY2023Q4 us-gaap Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
0 usd
CY2023Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
6387000 usd
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
7620000 usd
CY2023Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
1466000 usd
CY2022Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
1930000 usd
CY2023Q4 fbms Total Right Of Use Assets
TotalRightOfUseAssets
7853000 usd
CY2022Q4 fbms Total Lease Liabilities
TotalLeaseLiabilities
9728000 usd
CY2023Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P7Y2M12D
CY2022Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P7Y6M
CY2023Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P7Y10M24D
CY2022Q4 fbms Total Right Of Use Assets
TotalRightOfUseAssets
9550000 usd
CY2023Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
6550000 usd
CY2022Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
7810000 usd
CY2023Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
1739000 usd
CY2022Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
1918000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
7039000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due
FinanceLeaseLiabilityPaymentsDue
1901000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
489000 usd
CY2023Q4 us-gaap Finance Lease Liability Undiscounted Excess Amount
FinanceLeaseLiabilityUndiscountedExcessAmount
162000 usd
CY2023Q4 fbms Total Lease Liabilities
TotalLeaseLiabilities
8289000 usd
CY2023Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
6550000 usd
CY2023Q4 us-gaap Finance Lease Liability
FinanceLeaseLiability
1739000 usd
CY2023Q4 us-gaap Tier One Risk Based Capital To Risk Weighted Assets
TierOneRiskBasedCapitalToRiskWeightedAssets
0.065
CY2022Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P8Y10M24D
CY2023Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.020
CY2022Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.018
CY2023Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.022
CY2022Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.022
CY2023 us-gaap Operating Lease Cost
OperatingLeaseCost
1504000 usd
CY2022 us-gaap Operating Lease Cost
OperatingLeaseCost
1464000 usd
CY2021 us-gaap Operating Lease Cost
OperatingLeaseCost
1657000 usd
CY2023 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
40000 usd
CY2022 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
44000 usd
CY2021 us-gaap Finance Lease Interest Expense
FinanceLeaseInterestExpense
7000 usd
CY2023 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
464000 usd
CY2022 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
464000 usd
CY2021 us-gaap Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
263000 usd
CY2023 us-gaap Lease Cost
LeaseCost
2008000 usd
CY2022 us-gaap Lease Cost
LeaseCost
1972000 usd
CY2021 us-gaap Lease Cost
LeaseCost
1927000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
1144000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due Next Twelve Months
FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
220000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
1043000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Two
FinanceLeaseLiabilityPaymentsDueYearTwo
220000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
945000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Three
FinanceLeaseLiabilityPaymentsDueYearThree
222000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
777000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Four
FinanceLeaseLiabilityPaymentsDueYearFour
252000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
691000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Five
FinanceLeaseLiabilityPaymentsDueYearFive
252000 usd
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
2439000 usd
CY2023Q4 us-gaap Finance Lease Liability Payments Due After Year Five
FinanceLeaseLiabilityPaymentsDueAfterYearFive
735000 usd
CY2023Q4 us-gaap Dividends Payable Current And Noncurrent
DividendsPayableCurrentAndNoncurrent
147300000 usd
CY2023 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
11754000 usd
CY2022 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
12071000 usd
CY2021 us-gaap Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
12546000 usd
CY2023 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
2587000 usd
CY2022 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
2759000 usd
CY2021 us-gaap Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
2630000 usd
CY2023 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
7006000 usd
CY2022 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
940000 usd
CY2021 us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
1739000 usd
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
21347000 usd
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
15770000 usd
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
16915000 usd
CY2023 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
20289000 usd
CY2023 fbms Income Taxes At Statutory Rate In Percent
IncomeTaxesAtStatutoryRateInPercent
0.21
CY2022 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
16525000 usd
CY2022 fbms Income Taxes At Statutory Rate In Percent
IncomeTaxesAtStatutoryRateInPercent
0.21
CY2021 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
17027000 usd
CY2021 fbms Income Taxes At Statutory Rate In Percent
IncomeTaxesAtStatutoryRateInPercent
0.21
CY2023 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
1696000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0.02
CY2022 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
2369000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0.03
CY2021 us-gaap Income Tax Reconciliation Tax Exempt Income
IncomeTaxReconciliationTaxExemptIncome
1692000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
0.02
CY2023 us-gaap Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
144000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion
0
CY2022 us-gaap Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
391000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion
0
CY2021 us-gaap Income Tax Reconciliation Nondeductible Expense Depreciation
IncomeTaxReconciliationNondeductibleExpenseDepreciation
29000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Nondeductible Expense Depletion
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDepletion
0
CY2023 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
3064000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.04
CY2022 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
2251000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.03
CY2021 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
2299000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.03
CY2023 us-gaap Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
715000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.01
CY2022 us-gaap Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
715000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.01
CY2021 us-gaap Income Tax Reconciliation Tax Credits
IncomeTaxReconciliationTaxCredits
715000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Tax Credits Other
EffectiveIncomeTaxRateReconciliationTaxCreditsOther
0.01
CY2023 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
261000 usd
CY2023 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0
CY2022 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-313000 usd
CY2022 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0
CY2021 us-gaap Income Tax Reconciliation Other Reconciling Items
IncomeTaxReconciliationOtherReconcilingItems
-33000 usd
CY2021 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
21347000 usd
CY2023 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.22
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
15770000 usd
CY2022 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.20
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
16915000 usd
CY2021 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.21
CY2023Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
13276000 usd
CY2022Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
9581000 usd
CY2023Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
27256000 usd
CY2022Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
24531000 usd
CY2023Q4 fbms Deferred Tax Assets Nonaccrual Loan Interest
DeferredTaxAssetsNonaccrualLoanInterest
826000 usd
CY2022Q4 fbms Deferred Tax Assets Nonaccrual Loan Interest
DeferredTaxAssetsNonaccrualLoanInterest
600000 usd
CY2023Q4 fbms Deferredtaxassetsotherrealestate
Deferredtaxassetsotherrealestate
1092000 usd
CY2022Q4 fbms Deferredtaxassetsotherrealestate
Deferredtaxassetsotherrealestate
894000 usd
CY2023Q4 fbms Deferred Tax Assets Deferred Compensation
DeferredTaxAssetsDeferredCompensation
1161000 usd
CY2022Q4 fbms Deferred Tax Assets Deferred Compensation
DeferredTaxAssetsDeferredCompensation
1205000 usd
CY2023Q4 fbms Deferred Tax Assets Loan Purchase Accounting
DeferredTaxAssetsLoanPurchaseAccounting
6438000 usd
CY2022Q4 fbms Deferred Tax Assets Loan Purchase Accounting
DeferredTaxAssetsLoanPurchaseAccounting
2554000 usd
CY2023Q4 us-gaap Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross
DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross
38776000 usd
CY2022Q4 us-gaap Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross
DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross
48738000 usd
CY2023Q4 fbms Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Lease Liability
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLeaseLiability
2037000 usd
CY2022Q4 fbms Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Lease Liability
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLeaseLiability
2395000 usd
CY2023Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
5014000 usd
CY2022Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
3299000 usd
CY2023Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
95876000 usd
CY2022Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
93797000 usd
CY2023Q4 fbms Deferredtaxliabilitiessecurities
Deferredtaxliabilitiessecurities
560000 usd
CY2022Q4 fbms Deferredtaxliabilitiessecurities
Deferredtaxliabilitiessecurities
627000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
9017000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
6588000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
16094000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
7628000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill
2651000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill
2388000 usd
CY2023Q4 fbms Deferred Tax Liabilities Right Of Use Assets
DeferredTaxLiabilitiesRightOfUseAssets
1929000 usd
CY2022Q4 fbms Deferred Tax Liabilities Right Of Use Assets
DeferredTaxLiabilitiesRightOfUseAssets
2517000 usd
CY2023Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
1461000 usd
CY2022Q4 us-gaap Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
596000 usd
CY2023Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
31712000 usd
CY2022Q4 us-gaap Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
20344000 usd
CY2023Q4 fbms Deferred Tax Asset Net
DeferredTaxAssetNet
64164000 usd
CY2022Q4 fbms Deferred Tax Asset Net
DeferredTaxAssetNet
73453000 usd
CY2023Q4 us-gaap Operating Loss Carryforwards
OperatingLossCarryforwards
228900000 usd
CY2023 us-gaap Defined Contribution Plan Employer Matching Contribution Percent
DefinedContributionPlanEmployerMatchingContributionPercent
0.06
CY2023 us-gaap Defined Contribution Plan Employer Matching Contribution Percent Of Match
DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
0.50
CY2023 us-gaap Deferred Compensation Arrangement With Individual Contributions By Employer
DeferredCompensationArrangementWithIndividualContributionsByEmployer
1500000 usd
CY2022 us-gaap Deferred Compensation Arrangement With Individual Contributions By Employer
DeferredCompensationArrangementWithIndividualContributionsByEmployer
1200000 usd
CY2021 us-gaap Deferred Compensation Arrangement With Individual Contributions By Employer
DeferredCompensationArrangementWithIndividualContributionsByEmployer
1100000 usd
CY2023 fbms Employee Stock Ownership Plan Esop Requisite Service Time
EmployeeStockOwnershipPlanESOPRequisiteServiceTime
P1Y
CY2023 fbms Employee Stock Ownership Plan Esop Requisite Minimum Age
EmployeeStockOwnershipPlanESOPRequisiteMinimumAge
P21Y
CY2023 fbms Employee Stock Ownership Plan Esop Service Time Vesting Period
EmployeeStockOwnershipPlanESOPServiceTimeVestingPeriod
P5Y
CY2023Q4 fbms Employee Stock Ownership Plan Esop Shares Deferred Shares
EmployeeStockOwnershipPlanEsopSharesDeferredShares
5728 shares
CY2023Q4 us-gaap Employee Stock Ownership Plan Esop Deferred Shares Fair Value
EmployeeStockOwnershipPlanESOPDeferredSharesFairValue
168000 usd
CY2023 us-gaap Employee Stock Ownership Plan Esop Compensation Expense
EmployeeStockOwnershipPlanESOPCompensationExpense
24000 usd
CY2022 us-gaap Employee Stock Ownership Plan Esop Compensation Expense
EmployeeStockOwnershipPlanESOPCompensationExpense
33000 usd
CY2021 us-gaap Employee Stock Ownership Plan Esop Compensation Expense
EmployeeStockOwnershipPlanESOPCompensationExpense
3000 usd
CY2023Q4 us-gaap Defined Benefit Plan Amounts Recognized In Balance Sheet
DefinedBenefitPlanAmountsRecognizedInBalanceSheet
4600000 usd
CY2022Q4 us-gaap Defined Benefit Plan Amounts Recognized In Balance Sheet
DefinedBenefitPlanAmountsRecognizedInBalanceSheet
3700000 usd
CY2023Q4 us-gaap Accrued Employee Benefits Current And Noncurrent
AccruedEmployeeBenefitsCurrentAndNoncurrent
951000 usd
CY2022Q4 us-gaap Accrued Employee Benefits Current And Noncurrent
AccruedEmployeeBenefitsCurrentAndNoncurrent
945000 usd
CY2021Q4 us-gaap Accrued Employee Benefits Current And Noncurrent
AccruedEmployeeBenefitsCurrentAndNoncurrent
945000 usd
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
315000 shares
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
364056 shares
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
31.88
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
167173 shares
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
54094 shares
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
12194 shares
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
464941 shares
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
31.08
CY2023 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
P5Y
CY2023 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
2300000 usd
CY2022 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
2400000 usd
CY2021 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
3100000 usd
CY2023 fbms Restricted Stock Award Vested Percent
RestrictedStockAwardVestedPercent
1
CY2006Q2 us-gaap Proceeds From Issuance Of Trust Preferred Securities
ProceedsFromIssuanceOfTrustPreferredSecurities
4000000 usd
CY2007Q3 us-gaap Proceeds From Issuance Of Trust Preferred Securities
ProceedsFromIssuanceOfTrustPreferredSecurities
6000000 usd
CY2023Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
1249607 shares
CY2022Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
1249607 shares
CY2021Q4 us-gaap Treasury Stock Common Shares
TreasuryStockCommonShares
649607 shares
CY2023Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
23700000 usd
CY2022Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
28300000 usd
CY2022Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
28338000 usd
CY2023 us-gaap Loans And Leases Receivable Related Parties Additions
LoansAndLeasesReceivableRelatedPartiesAdditions
725000 usd
CY2023 us-gaap Loans And Leases Receivable Related Parties Proceeds
LoansAndLeasesReceivableRelatedPartiesProceeds
5383000 usd
CY2023Q4 us-gaap Loans And Leases Receivable Related Parties
LoansAndLeasesReceivableRelatedParties
23680000 usd
CY2023Q4 us-gaap Related Party Deposit Liabilities
RelatedPartyDepositLiabilities
15600000 usd
CY2022Q4 us-gaap Related Party Deposit Liabilities
RelatedPartyDepositLiabilities
16800000 usd
CY2022Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
1325000 usd
CY2021Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
1070000 usd
CY2020Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
0 usd
CY2023 fbms Financing Receivable Excluding Accrued Interest Adoption Of Asu326
FinancingReceivableExcludingAccruedInterestAdoptionOfASU326
0 usd
CY2022 fbms Financing Receivable Excluding Accrued Interest Adoption Of Asu326
FinancingReceivableExcludingAccruedInterestAdoptionOfASU326
0 usd
CY2021 fbms Financing Receivable Excluding Accrued Interest Adoption Of Asu326
FinancingReceivableExcludingAccruedInterestAdoptionOfASU326
718000 usd
CY2023Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
750000 usd
CY2022Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
255000 usd
CY2021Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
352000 usd
CY2023Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
2075000 usd
CY2022Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
1325000 usd
CY2021Q4 us-gaap Off Balance Sheet Credit Loss Liability
OffBalanceSheetCreditLossLiability
1070000 usd
CY2023Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
750000 usd
CY2022Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
255000 usd
CY2021Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
352000 usd
CY2023Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
1042365000 usd
CY2023Q4 us-gaap Loans Held For Sale Fair Value Disclosure
LoansHeldForSaleFairValueDisclosure
2914000 usd
CY2023Q4 us-gaap Derivative Assets
DerivativeAssets
12170000 usd
CY2023Q4 us-gaap Derivative Liabilities
DerivativeLiabilities
12175000 usd
CY2022Q4 us-gaap Debt Securities Available For Sale Excluding Accrued Interest
DebtSecuritiesAvailableForSaleExcludingAccruedInterest
1257101000 usd
CY2022Q4 us-gaap Loans Held For Sale Fair Value Disclosure
LoansHeldForSaleFairValueDisclosure
4443000 usd
CY2021 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-264000 usd
CY2021 us-gaap Interest Income Other
InterestIncomeOther
16419000 usd
CY2021 us-gaap Noninterest Income
NoninterestIncome
37473000 usd
CY2021 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
16915000 usd
CY2023 fbms Service Charges On Deposits Overdraft Fees
ServiceChargesOnDepositsOverdraftFees
8154000 usd
CY2023 fbms Service Charges On Deposits Other
ServiceChargesOnDepositsOther
6021000 usd
CY2023 us-gaap Noninterest Income Other
NoninterestIncomeOther
18914000 usd
CY2023 us-gaap Brokerage Commissions Revenue
BrokerageCommissionsRevenue
1623000 usd
CY2023 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
6000 usd
CY2023 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-9716000 usd
CY2023 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
35000 usd
CY2023 us-gaap Gain Loss On Sales Of Loans Net
GainLossOnSalesOfLoansNet
1512000 usd
CY2023 us-gaap Interest Income Other
InterestIncomeOther
20156000 usd
CY2023 us-gaap Noninterest Income
NoninterestIncome
46705000 usd
CY2022 fbms Service Charges On Deposits Overdraft Fees
ServiceChargesOnDepositsOverdraftFees
4116000 usd
CY2022 fbms Service Charges On Deposits Other
ServiceChargesOnDepositsOther
8679000 usd
CY2022 us-gaap Noninterest Income Other
NoninterestIncomeOther
12702000 usd
CY2022 us-gaap Brokerage Commissions Revenue
BrokerageCommissionsRevenue
1566000 usd
CY2022 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
214000 usd
CY2022 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
-82000 usd
CY2022 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
281000 usd
CY2022 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-116000 usd
CY2022 us-gaap Interest Income Other
InterestIncomeOther
9601000 usd
CY2022 us-gaap Noninterest Income
NoninterestIncome
36961000 usd
CY2021 fbms Service Charges On Deposits Overdraft Fees
ServiceChargesOnDepositsOverdraftFees
3122000 usd
CY2021 fbms Service Charges On Deposits Other
ServiceChargesOnDepositsOther
4142000 usd
CY2021 us-gaap Noninterest Income Other
NoninterestIncomeOther
11562000 usd
CY2021 us-gaap Brokerage Commissions Revenue
BrokerageCommissionsRevenue
1349000 usd
CY2021 us-gaap Gains Losses On Sales Of Other Real Estate
GainsLossesOnSalesOfOtherRealEstate
-300000 usd
CY2021 us-gaap Debt And Equity Securities Gain Loss
DebtAndEquitySecuritiesGainLoss
143000 usd
CY2021 us-gaap Business Combination Bargain Purchase Gain Recognized Amount
BusinessCombinationBargainPurchaseGainRecognizedAmount
1300000 usd
CY2021 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
-1104000 usd
CY2021 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
158168000 usd
CY2021 us-gaap Noninterest Income
NoninterestIncome
37473000 usd
CY2023 us-gaap Number Of Operating Segments
NumberOfOperatingSegments
3 operatingsegment
CY2023 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
340933000 usd
CY2023 us-gaap Interest Expense
InterestExpense
91608000 usd
CY2023 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
249325000 usd
CY2023 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
14500000 usd
CY2023 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
234825000 usd
CY2023 us-gaap Noninterest Income
NoninterestIncome
46705000 usd
CY2023 us-gaap Noninterest Expense
NoninterestExpense
184726000 usd
CY2023 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
96804000 usd
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
21347000 usd
CY2023 us-gaap Net Income Loss
NetIncomeLoss
75457000 usd
CY2023Q4 us-gaap Assets
Assets
7999345000 usd
CY2023Q4 fbms Financing Receivable Loans Held For Investment And Loans Held For Sale Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableLoansHeldForInvestmentAndLoansHeldForSaleExcludingAccruedInterestAfterAllowanceForCreditLoss
5118924000 usd
CY2022 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
200393000 usd
CY2022 us-gaap Interest Expense
InterestExpense
22577000 usd
CY2022 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
177816000 usd
CY2022 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
5605000 usd
CY2022 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
172211000 usd
CY2022 us-gaap Noninterest Income
NoninterestIncome
36961000 usd
CY2022 us-gaap Noninterest Expense
NoninterestExpense
130483000 usd
CY2022 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
78689000 usd
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
15770000 usd
CY2022 us-gaap Net Income Loss
NetIncomeLoss
62919000 usd
CY2022Q4 us-gaap Assets
Assets
6461717000 usd
CY2022Q4 fbms Financing Receivable Loans Held For Investment And Loans Held For Sale Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableLoansHeldForInvestmentAndLoansHeldForSaleExcludingAccruedInterestAfterAllowanceForCreditLoss
3739683000 usd
CY2021 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
176745000 usd
CY2021 us-gaap Interest Expense
InterestExpense
19681000 usd
CY2021 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
157064000 usd
CY2021 us-gaap Noninterest Expense
NoninterestExpense
114559000 usd
CY2021 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
81082000 usd
CY2021 us-gaap Net Income Loss
NetIncomeLoss
64167000 usd
CY2021Q4 us-gaap Assets
Assets
6077414000 usd
CY2021Q4 fbms Financing Receivable Loans Held For Investment And Loans Held For Sale Excluding Accrued Interest After Allowance For Credit Loss
FinancingReceivableLoansHeldForInvestmentAndLoansHeldForSaleExcludingAccruedInterestAfterAllowanceForCreditLoss
2936489000 usd
CY2023Q1 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
80338000 usd
CY2023Q2 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
86194000 usd
CY2023Q3 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
85681000 usd
CY2023Q4 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
88720000 usd
CY2023Q1 us-gaap Interest Expense
InterestExpense
15412000 usd
CY2023Q2 us-gaap Interest Expense
InterestExpense
20164000 usd
CY2023Q3 us-gaap Interest Expense
InterestExpense
24977000 usd
CY2023Q4 us-gaap Interest Expense
InterestExpense
31055000 usd
CY2023Q1 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
64926000 usd
CY2023Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
66030000 usd
CY2023Q3 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
60704000 usd
CY2023Q4 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
57665000 usd
CY2023Q1 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
11000000 usd
CY2023Q2 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
1250000 usd
CY2023Q3 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
1000000 usd
CY2023Q4 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
1250000 usd
CY2023Q1 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
53926000 usd
CY2023Q2 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
64780000 usd
CY2023Q3 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
59704000 usd
CY2023Q4 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
56415000 usd
CY2023Q1 us-gaap Noninterest Income
NoninterestIncome
12612000 usd
CY2023Q2 us-gaap Noninterest Income
NoninterestIncome
12423000 usd
CY2023Q3 us-gaap Noninterest Income
NoninterestIncome
19324000 usd
CY2023Q4 us-gaap Noninterest Income
NoninterestIncome
2346000 usd
CY2023Q1 us-gaap Noninterest Expense
NoninterestExpense
45670000 usd
CY2023Q2 us-gaap Noninterest Expense
NoninterestExpense
46899000 usd
CY2023Q3 us-gaap Noninterest Expense
NoninterestExpense
47724000 usd
CY2023Q4 us-gaap Noninterest Expense
NoninterestExpense
44433000 usd
CY2023Q1 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
4597000 usd
CY2023Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
6525000 usd
CY2023Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
6944000 usd
CY2023Q4 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3281000 usd
CY2023Q1 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
16271000 usd
CY2023Q1 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
16271000 usd
CY2023Q2 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
23779000 usd
CY2023Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
23779000 usd
CY2023Q3 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
24360000 usd
CY2023Q3 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
24360000 usd
CY2023Q4 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
11047000 usd
CY2023Q4 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
11047000 usd
CY2023Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.52
CY2023Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.76
CY2023Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.78
CY2023Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.35
CY2023Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.52
CY2023Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.75
CY2023Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.77
CY2023Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.35
CY2022Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.19
CY2022Q4 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.20
CY2021Q1 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
45187000 usd
CY2021Q2 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
43238000 usd
CY2021Q3 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
44435000 usd
CY2021Q4 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
43885000 usd
CY2023Q1 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.21
CY2023Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.22
CY2023Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.23
CY2023Q4 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.24
CY2022Q1 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
42741000 usd
CY2022Q2 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
45847000 usd
CY2022Q3 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
53874000 usd
CY2022Q4 us-gaap Interest And Dividend Income Operating
InterestAndDividendIncomeOperating
57931000 usd
CY2022Q1 us-gaap Interest Expense
InterestExpense
4102000 usd
CY2022Q2 us-gaap Interest Expense
InterestExpense
3746000 usd
CY2022Q3 us-gaap Interest Expense
InterestExpense
4726000 usd
CY2022Q4 us-gaap Interest Expense
InterestExpense
10003000 usd
CY2022Q1 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
38639000 usd
CY2022Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
42101000 usd
CY2022Q3 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
49148000 usd
CY2022Q4 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
47928000 usd
CY2022Q1 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
0 usd
CY2022Q2 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
600000 usd
CY2022Q3 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
4300000 usd
CY2022Q4 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
705000 usd
CY2022Q1 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
38639000 usd
CY2022Q2 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
41501000 usd
CY2022Q3 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
44848000 usd
CY2022Q4 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
47223000 usd
CY2022Q1 us-gaap Noninterest Income
NoninterestIncome
11157000 usd
CY2022Q2 us-gaap Noninterest Income
NoninterestIncome
8664000 usd
CY2022Q3 us-gaap Noninterest Income
NoninterestIncome
9022000 usd
CY2022Q4 us-gaap Noninterest Income
NoninterestIncome
8118000 usd
CY2022Q1 us-gaap Noninterest Expense
NoninterestExpense
28590000 usd
CY2022Q2 us-gaap Noninterest Expense
NoninterestExpense
30955000 usd
CY2022Q3 us-gaap Noninterest Expense
NoninterestExpense
35903000 usd
CY2022Q4 us-gaap Noninterest Expense
NoninterestExpense
35035000 usd
CY2022Q1 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
4377000 usd
CY2022Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3457000 usd
CY2022Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3924000 usd
CY2022Q4 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
4012000 usd
CY2022Q1 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
16829000 usd
CY2022Q1 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
16829000 usd
CY2022Q2 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
15753000 usd
CY2022Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
15753000 usd
CY2022Q3 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
14043000 usd
CY2022Q3 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
14043000 usd
CY2022Q4 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
16294000 usd
CY2022Q4 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
16294000 usd
CY2022Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.81
CY2022Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.77
CY2022Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.61
CY2022Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.68
CY2022Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.81
CY2022Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.76
CY2022Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.61
CY2022Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.67
CY2022Q1 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.17
CY2022Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.18
CY2021Q1 us-gaap Interest Expense
InterestExpense
5958000 usd
CY2021Q2 us-gaap Interest Expense
InterestExpense
5188000 usd
CY2021Q3 us-gaap Interest Expense
InterestExpense
4407000 usd
CY2021Q4 us-gaap Interest Expense
InterestExpense
4128000 usd
CY2021Q1 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
39229000 usd
CY2021Q2 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
38050000 usd
CY2021Q3 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
40028000 usd
CY2021Q4 us-gaap Interest Income Expense Net
InterestIncomeExpenseNet
39757000 usd
CY2021Q1 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
0 usd
CY2021Q2 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
0 usd
CY2021Q3 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
0 usd
CY2021Q4 us-gaap Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal
FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
-1104000 usd
CY2021Q1 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
39229000 usd
CY2021Q2 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
38050000 usd
CY2021Q3 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
40028000 usd
CY2021Q4 us-gaap Interest Income Expense After Provision For Loan Loss
InterestIncomeExpenseAfterProvisionForLoanLoss
40861000 usd
CY2021Q1 us-gaap Noninterest Income
NoninterestIncome
9472000 usd
CY2021Q2 us-gaap Noninterest Income
NoninterestIncome
8822000 usd
CY2021Q3 us-gaap Noninterest Income
NoninterestIncome
9586000 usd
CY2021Q4 us-gaap Noninterest Income
NoninterestIncome
9593000 usd
CY2021Q1 us-gaap Noninterest Expense
NoninterestExpense
27264000 usd
CY2021Q2 us-gaap Noninterest Expense
NoninterestExpense
27452000 usd
CY2021Q3 us-gaap Noninterest Expense
NoninterestExpense
29053000 usd
CY2021Q4 us-gaap Noninterest Expense
NoninterestExpense
30790000 usd
CY2021Q1 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
4793000 usd
CY2021Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3820000 usd
CY2021Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
4429000 usd
CY2021Q4 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3873000 usd
CY2021Q1 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
16644000 usd
CY2021Q1 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
16644000 usd
CY2021Q2 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
15600000 usd
CY2021Q2 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
15600000 usd
CY2021Q3 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
16132000 usd
CY2021Q3 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
16132000 usd
CY2021Q4 us-gaap Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
15791000 usd
CY2021Q4 us-gaap Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
15791000 usd
CY2021Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.79
CY2021Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.74
CY2021Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.77
CY2021Q4 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.75
CY2021Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.79
CY2021Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.74
CY2021Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.76
CY2021Q4 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.75
CY2021Q1 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.13
CY2021Q2 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.14
CY2021Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.15
CY2021Q4 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.16
CY2023Q4 ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false
CY2023Q4 ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
CY2023Q4 ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false
CY2023Q4 ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false

Files In Submission

Name View Source Status
0000947559-24-000011-index-headers.html Edgar Link pending
0000947559-24-000011-index.html Edgar Link pending
0000947559-24-000011.txt Edgar Link pending
0000947559-24-000011-xbrl.zip Edgar Link pending
cole1stamendmentto2020serp.htm Edgar Link pending
cole2ndamendmentto2014serp.htm Edgar Link pending
fbms-20031231xexx211.htm Edgar Link pending
fbms-20231231.htm Edgar Link pending
fbms-20231231.xsd Edgar Link pending
fbms-20231231exx312.htm Edgar Link pending
fbms-20231231xex321.htm Edgar Link pending
fbms-20231231xexx231.htm Edgar Link pending
fbms-20231231xexx311.htm Edgar Link pending
fbms-20231231_g1.jpg Edgar Link pending
fbms-20231231_g2.jpg Edgar Link pending
fbms-20231231_g3.jpg Edgar Link pending
fbms-20231231_g4.jpg Edgar Link pending
fbmsclawbackpolicy.htm Edgar Link pending
Financial_Report.xlsx Edgar Link pending
lowery1stamendmentto2021se.htm Edgar Link pending
lowery2ndamendmentto2014se.htm Edgar Link pending
MetaLinks.json Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R100.htm Edgar Link pending
R101.htm Edgar Link pending
R102.htm Edgar Link pending
R103.htm Edgar Link pending
R104.htm Edgar Link pending
R105.htm Edgar Link pending
R106.htm Edgar Link pending
R107.htm Edgar Link pending
R108.htm Edgar Link pending
R109.htm Edgar Link pending
R11.htm Edgar Link pending
R110.htm Edgar Link pending
R111.htm Edgar Link pending
R112.htm Edgar Link pending
R113.htm Edgar Link pending
R114.htm Edgar Link pending
R115.htm Edgar Link pending
R116.htm Edgar Link pending
R117.htm Edgar Link pending
R118.htm Edgar Link pending
fbms-20231231_def.xml Edgar Link unprocessable
fbms-20231231_lab.xml Edgar Link unprocessable
fbms-20231231_pre.xml Edgar Link unprocessable
FilingSummary.xml Edgar Link unprocessable
fbms-20231231_htm.xml Edgar Link completed
R119.htm Edgar Link pending
R12.htm Edgar Link pending
R120.htm Edgar Link pending
R121.htm Edgar Link pending
R122.htm Edgar Link pending
R123.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R72.htm Edgar Link pending
R73.htm Edgar Link pending
R74.htm Edgar Link pending
R75.htm Edgar Link pending
R76.htm Edgar Link pending
R77.htm Edgar Link pending
R78.htm Edgar Link pending
R79.htm Edgar Link pending
R8.htm Edgar Link pending
R80.htm Edgar Link pending
R81.htm Edgar Link pending
R82.htm Edgar Link pending
R83.htm Edgar Link pending
R84.htm Edgar Link pending
R85.htm Edgar Link pending
R86.htm Edgar Link pending
R87.htm Edgar Link pending
R88.htm Edgar Link pending
R89.htm Edgar Link pending
R9.htm Edgar Link pending
R90.htm Edgar Link pending
R91.htm Edgar Link pending
R92.htm Edgar Link pending
R93.htm Edgar Link pending
R94.htm Edgar Link pending
R95.htm Edgar Link pending
R96.htm Edgar Link pending
R97.htm Edgar Link pending
R98.htm Edgar Link pending
R99.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
fbms-20231231_cal.xml Edgar Link unprocessable