$THFF
First Financial Corp Stock $thff

$thff Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000071456221000062 Filed on August 04, 2021

Income Statement

Concept	2021 Q3	2021 Q2	2020 Q2
Revenue	$38.15M	$37.87M	$39.26M
YoY Change	-3.53%	-3.53%	18.03%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.530M	$1.570M	$1.550M
YoY Change	-3.16%	1.29%	50.49%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$2.117M	$2.243M	$3.361M
YoY Change	-29.62%	-33.26%	-4.16%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$20.16M	$20.76M	$14.82M
YoY Change	20.62%	40.05%	-6.02%
Income Tax	$4.063M	$4.145M	$2.899M
% Of Pretax Income	20.15%	19.97%	19.56%
Net Earnings	$16.10M	$16.61M	$11.92M
YoY Change	14.99%	39.33%	-5.13%
Net Earnings / Revenue	42.2%	43.87%	30.37%
Basic Earnings Per Share	$1.24	$1.24
Diluted Earnings Per Share	$1.237M	$1.24	$868.8K
COMMON SHARES
Basic Shares Outstanding	13.05M shares	13.41M shares	13.71M shares
Diluted Shares Outstanding	13.02K	13.41M shares

Balance Sheet

Concept	2021 Q3	2021 Q2	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$758.1M	$677.9M	$386.5M
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	$63.19M	$63.90M	$63.27M
YoY Change	0.35%	0.99%	38.56%
Goodwill	$78.59M	$78.59M	$78.59M
YoY Change	0.0%	0.0%	128.76%
Intangibles	$7.725M	$8.112M	$9.829M
YoY Change	-17.86%	-17.47%	914.34%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$4.801B	$4.753B	$4.368B
YoY Change	9.36%	8.82%	42.55%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$101.1M	$98.50M	$100.1M
YoY Change	6.2%	-1.6%	65.45%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$101.1M	$98.50M	$100.1M
YoY Change	6.2%	-1.6%	65.45%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$70.60M	$72.00M	$79.70M
YoY Change	-2.62%	-9.66%	26.71%
Total Long-Term Liabilities	$70.60M	$72.00M	$79.70M
YoY Change	-2.62%	-9.66%	26.71%
TOTAL LIABILITIES
Total Short-Term Liabilities	$101.1M	$98.50M	$100.1M
Total Long-Term Liabilities	$70.60M	$72.00M	$79.70M
Total Liabilities	$4.206B	$4.165B	$3.778B
YoY Change	11.19%	10.25%	46.07%
SHAREHOLDERS EQUITY
Retained Earnings	$559.7M	$543.6M	$509.0M
YoY Change	7.01%	6.79%	7.71%
Common Stock	$143.5M	$143.2M	$142.1M
YoY Change	0.81%	0.8%	79.89%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$107.1M	$100.1M	$70.37M
YoY Change	52.23%	42.24%	1.29%
Treasury Stock Shares	3.048M shares	3.048M shares	2.361M shares
Shareholders Equity	$594.9M	$588.2M	$590.3M
YoY Change
Total Liabilities & Shareholders Equity	$4.801B	$4.753B	$4.368B
YoY Change	9.36%	8.82%	42.55%

Cashflow Statement

Concept	2021 Q3	2021 Q2	2020 Q2
OPERATING ACTIVITIES
Net Income	$16.10M	$16.61M	$11.92M
YoY Change	14.99%	39.33%	-5.13%
Depreciation, Depletion And Amortization	$1.530M	$1.570M	$1.550M
YoY Change	-3.16%	1.29%	50.49%
Cash From Operating Activities	$15.39M	$12.33M	$14.03M
YoY Change	17.66%	-12.12%	5.01%
INVESTING ACTIVITIES
Capital Expenditures	-$440.0K	-$2.450M	-$1.270M
YoY Change	-48.24%	92.91%	111.67%
Acquisitions
YoY Change
Other Investing Activities	$29.86M	-$53.05M	-$126.0M
YoY Change	-231.2%	-57.9%	461.75%
Cash From Investing Activities	$29.42M	-$55.50M	-$127.3M
YoY Change	-224.61%	-56.39%	452.87%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	35.44M	54.20M	288.7M
YoY Change	184.43%	-81.23%	1714.64%
NET CHANGE
Cash From Operating Activities	15.39M	12.33M	14.03M
Cash From Investing Activities	29.42M	-55.50M	-127.3M
Cash From Financing Activities	35.44M	54.20M	288.7M
Net Change In Cash	80.25M	11.03M	175.5M
YoY Change	4058.03%	-93.71%	2707.52%
FREE CASH FLOW
Cash From Operating Activities	$15.39M	$12.33M	$14.03M
Capital Expenditures	-$440.0K	-$2.450M	-$1.270M
Free Cash Flow	$15.83M	$14.78M	$15.30M
YoY Change	13.64%	-3.4%	9.6%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000714562
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Address Address Line1 EntityAddressAddressLine1	One First Financial Plaza
	dei	Entity Address City Or Town EntityAddressCityOrTown	Terre Haute
	dei	Entity Address State Or Province EntityAddressStateOrProvince	IN
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.125
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.125
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	16096313	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	16075154	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13048229	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13558511	shares
CY2021Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	3048084	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2516643	shares
CY2021Q2	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	497000	shares
CY2020Q2	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	531441	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	46989	shares
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-16759
	dei	Entity Registrant Name EntityRegistrantName	FIRST FINANCIAL CORPORATION
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	IN
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	35-1546989
	dei	Entity Address Address Line1 EntityAddressAddressLine1	One First Financial Plaza
	dei	Entity Address City Or Town EntityAddressCityOrTown	Terre Haute
	dei	Entity Address State Or Province EntityAddressStateOrProvince	IN
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	47807
	dei	City Area Code CityAreaCode	(812)
	dei	Local Phone Number LocalPhoneNumber	238-6000
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.125 per share
	dei	Trading Symbol TradingSymbol	THFF
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	13048229	shares
CY2021Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	677862000	USD
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	657470000	USD
CY2021Q2	us-gaap	Federal Funds Sold FederalFundsSold	516000	USD
CY2020Q4	us-gaap	Federal Funds Sold FederalFundsSold	301000	USD
CY2021Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1219625000	USD
CY2020Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1020744000	USD
CY2021Q2	us-gaap	Notes And Loans Receivable Gross Current NotesAndLoansReceivableGrossCurrent	1521707000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Gross Current NotesAndLoansReceivableGrossCurrent	1521711000	USD
CY2021Q2	thff	Loans And Leases Receivable Residential LoansAndLeasesReceivableResidential	564859000	USD
CY2020Q4	thff	Loans And Leases Receivable Residential LoansAndLeasesReceivableResidential	604652000	USD
CY2021Q2	thff	Loans And Leases Receivable Gross Consumer Excluding Mortgage And Home Equity LoansAndLeasesReceivableGrossConsumerExcludingMortgageAndHomeEquity	482147000	USD
CY2020Q4	thff	Loans And Leases Receivable Gross Consumer Excluding Mortgage And Home Equity LoansAndLeasesReceivableGrossConsumerExcludingMortgageAndHomeEquity	479750000	USD
CY2021Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2568713000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2606113000	USD
CY2021Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	-2241000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	-4181000	USD
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	44732000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	47052000	USD
CY2021Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2526222000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2563242000	USD
CY2021Q2	us-gaap	Restricted Investments RestrictedInvestments	14825000	USD
CY2020Q4	us-gaap	Restricted Investments RestrictedInvestments	14812000	USD
CY2021Q2	us-gaap	Interest Receivable InterestReceivable	15103000	USD
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	16957000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	63895000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	62063000	USD
CY2021Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	106560000	USD
CY2020Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	95849000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	78592000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	78592000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8112000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8972000	USD
CY2021Q2	us-gaap	Other Real Estate OtherRealEstate	989000	USD
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	1012000	USD
CY2021Q2	us-gaap	Other Assets OtherAssets	41007000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	37530000	USD
CY2021Q2	us-gaap	Assets Assets	4753308000	USD
CY2020Q4	us-gaap	Assets Assets	4557544000	USD
CY2021Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	780528000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	732694000	USD
CY2021Q2	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	77647000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	107764000	USD
CY2021Q2	us-gaap	Interestbearing Domestic Deposit Other InterestbearingDomesticDepositOther	3130576000	USD
CY2020Q4	us-gaap	Interestbearing Domestic Deposit Other InterestbearingDomesticDepositOther	2915487000	USD
CY2021Q2	us-gaap	Deposits Deposits	3988751000	USD
CY2020Q4	us-gaap	Deposits Deposits	3755945000	USD
CY2021Q2	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	98525000	USD
CY2020Q4	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	116061000	USD
CY2021Q2	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	5888000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	5859000	USD
CY2021Q2	us-gaap	Other Liabilities OtherLiabilities	71981000	USD
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	82687000	USD
CY2021Q2	us-gaap	Liabilities Liabilities	4165145000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	3960552000	USD
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.125
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	2008000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	2007000	USD
CY2021Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	141240000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	140820000	USD
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	543595000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	521103000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1412000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	9764000	USD
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	100092000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	76702000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	588163000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	596992000	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4753308000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4557544000	USD
CY2021Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	31966000	USD
CY2020Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	33224000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	63823000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	68258000	USD
CY2021Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3355000	USD
CY2020Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3624000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6434000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7653000	USD
CY2021Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2163000	USD
CY2020Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2008000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4237000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3946000	USD
CY2021Q2	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	387000	USD
CY2020Q2	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	400000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	733000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	802000	USD
CY2021Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	37871000	USD
CY2020Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	39256000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	75227000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	80659000	USD
CY2021Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2090000	USD
CY2020Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3019000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	4376000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	7549000	USD
CY2021Q2	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	94000	USD
CY2020Q2	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	101000	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	192000	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	368000	USD
CY2021Q2	us-gaap	Interest Expense Other InterestExpenseOther	59000	USD
CY2020Q2	us-gaap	Interest Expense Other InterestExpenseOther	241000	USD
	us-gaap	Interest Expense Other InterestExpenseOther	118000	USD
	us-gaap	Interest Expense Other InterestExpenseOther	497000	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	2243000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	3361000	USD
	us-gaap	Interest Expense InterestExpense	4686000	USD
	us-gaap	Interest Expense InterestExpense	8414000	USD
CY2021Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35628000	USD
CY2020Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35895000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	70541000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	72245000	USD
CY2021Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-2196000	USD
CY2020Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2965000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1744000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5655000	USD
CY2021Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	37824000	USD
CY2020Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	32930000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	72285000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	66590000	USD
CY2021Q2	thff	Trust And Financial Services Revenue TrustAndFinancialServicesRevenue	1313000	USD
CY2020Q2	thff	Trust And Financial Services Revenue TrustAndFinancialServicesRevenue	1288000	USD
	thff	Trust And Financial Services Revenue TrustAndFinancialServicesRevenue	2618000	USD
	thff	Trust And Financial Services Revenue TrustAndFinancialServicesRevenue	2822000	USD
CY2021Q2	thff	Service Charges And Fees On Deposit Accounts ServiceChargesAndFeesOnDepositAccounts	2327000	USD
CY2020Q2	thff	Service Charges And Fees On Deposit Accounts ServiceChargesAndFeesOnDepositAccounts	2102000	USD
	thff	Service Charges And Fees On Deposit Accounts ServiceChargesAndFeesOnDepositAccounts	4570000	USD
	thff	Service Charges And Fees On Deposit Accounts ServiceChargesAndFeesOnDepositAccounts	5100000	USD
CY2021Q2	thff	Service Charges And Fees Other ServiceChargesAndFeesOther	5039000	USD
CY2020Q2	thff	Service Charges And Fees Other ServiceChargesAndFeesOther	3869000	USD
	thff	Service Charges And Fees Other ServiceChargesAndFeesOther	9281000	USD
	thff	Service Charges And Fees Other ServiceChargesAndFeesOther	7199000	USD
CY2021Q2	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	258000	USD
CY2020Q2	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	31000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	106000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	225000	USD
CY2021Q2	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1450000	USD
CY2020Q2	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1205000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	2843000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1903000	USD
CY2021Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	544000	USD
CY2020Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	281000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	807000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	622000	USD
CY2021Q2	us-gaap	Noninterest Income NoninterestIncome	10931000	USD
CY2020Q2	us-gaap	Noninterest Income NoninterestIncome	8776000	USD
	us-gaap	Noninterest Income NoninterestIncome	20225000	USD
	us-gaap	Noninterest Income NoninterestIncome	17871000	USD
CY2021Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	16031000	USD
CY2020Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	14323000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	31708000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	30295000	USD
CY2021Q2	us-gaap	Occupancy Net OccupancyNet	2002000	USD
CY2020Q2	us-gaap	Occupancy Net OccupancyNet	2162000	USD
	us-gaap	Occupancy Net OccupancyNet	4151000	USD
	us-gaap	Occupancy Net OccupancyNet	4091000	USD
CY2021Q2	us-gaap	Equipment Expense EquipmentExpense	2440000	USD
CY2020Q2	us-gaap	Equipment Expense EquipmentExpense	2673000	USD
	us-gaap	Equipment Expense EquipmentExpense	5018000	USD
	us-gaap	Equipment Expense EquipmentExpense	5134000	USD
CY2021Q2	thff	Federal Deposit Insurance Corporation Premium Expense Benefit FederalDepositInsuranceCorporationPremiumExpenseBenefit	287000	USD
CY2020Q2	thff	Federal Deposit Insurance Corporation Premium Expense Benefit FederalDepositInsuranceCorporationPremiumExpenseBenefit	49000	USD
	thff	Federal Deposit Insurance Corporation Premium Expense Benefit FederalDepositInsuranceCorporationPremiumExpenseBenefit	585000	USD
	thff	Federal Deposit Insurance Corporation Premium Expense Benefit FederalDepositInsuranceCorporationPremiumExpenseBenefit	-181000	USD
CY2021Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7236000	USD
CY2020Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7676000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	14173000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	15098000	USD
CY2021Q2	us-gaap	Noninterest Expense NoninterestExpense	27996000	USD
CY2020Q2	us-gaap	Noninterest Expense NoninterestExpense	26883000	USD
	us-gaap	Noninterest Expense NoninterestExpense	55635000	USD
	us-gaap	Noninterest Expense NoninterestExpense	54437000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20759000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14823000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	36875000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	30024000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4145000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2899000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7384000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5919000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	16614000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	11924000	USD
	us-gaap	Net Income Loss NetIncomeLoss	29491000	USD
	us-gaap	Net Income Loss NetIncomeLoss	24105000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	1772000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	3130000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	-9296000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	16228000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-472000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-384000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-944000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-788000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	18858000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15438000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	21139000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41121000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	1.24
CY2020Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.87
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	2.19
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	1.76
CY2021Q2	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	13414000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	13715000	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	13473000	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	13740000	shares
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	581771000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	11924000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3514000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	206000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	590284000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	598112000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	16614000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2244000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	216000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	588163000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	557608000	USD
	us-gaap	Net Income Loss NetIncomeLoss	24105000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17016000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	410000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1724000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1724000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	7131000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	590284000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	596992000	USD
	us-gaap	Net Income Loss NetIncomeLoss	29491000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8352000	USD
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	421000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	23390000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	23390000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	6999000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	588163000	USD
	us-gaap	Net Income Loss NetIncomeLoss	29491000	USD
	us-gaap	Net Income Loss NetIncomeLoss	24105000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	4080000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	3186000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1744000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5655000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	106000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	225000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	2843000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1903000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-16000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-36000	USD
	us-gaap	Restricted Stock Expense RestrictedStockExpense	421000	USD
	us-gaap	Restricted Stock Expense RestrictedStockExpense	410000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	3142000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2946000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-4937000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	5503000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	27520000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	39713000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	9369000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	28161000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	141410000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	110327000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	364598000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	101291000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-43118000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	119340000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	0	USD
	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	200000	USD
	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	13000	USD
	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	6000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	69000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	357000	USD
	us-gaap	Increase Decrease In Federal Funds Sold IncreaseDecreaseInFederalFundsSold	-215000	USD
	us-gaap	Increase Decrease In Federal Funds Sold IncreaseDecreaseInFederalFundsSold	7500000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4114000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2826000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-184974000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-76918000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	232953000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	295206000	USD
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-17536000	USD
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	19977000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	16100000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	13200000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	23390000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1724000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	14181000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	14273000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	177846000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	296286000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	20392000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	259081000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	657470000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	127426000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	677862000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	386507000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
	thff	Share Based Compensation Arrangement By Share Based Payment Award Vesting Rights Percentage For First Year ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingRightsPercentageForFirstYear	0.33
	thff	Share Based Compensation Arrangement By Share Based Payment Award Incremental Vesting Rights Percentage For Second Year ShareBasedCompensationArrangementByShareBasedPaymentAwardIncrementalVestingRightsPercentageForSecondYear	0.33
	thff	Share Based Compensation Arrangement By Share Based Payment Award Incremental Vesting Rights Percentage For Third Year ShareBasedCompensationArrangementByShareBasedPaymentAwardIncrementalVestingRightsPercentageForThirdYear	0.34
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	21159	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	19688	shares
CY2021Q2	thff	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue	885000	USD
CY2020Q2	thff	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodTotalFairValue	837000	USD
CY2021Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	46776000	USD
CY2021Q2	thff	Provision For Loan And Lease Losses Excluding Fdic Indemnification Asset Changes ProvisionForLoanAndLeaseLossesExcludingFDICIndemnificationAssetChanges	-2196000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1151000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1303000	USD
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	44732000	USD
CY2020Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	21063000	USD
CY2020Q2	thff	Provision For Loan And Lease Losses Excluding Fdic Indemnification Asset Changes ProvisionForLoanAndLeaseLossesExcludingFDICIndemnificationAssetChanges	2965000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1540000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	797000	USD
CY2020Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23285000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	47052000	USD
	thff	Provision For Loan And Lease Losses Excluding Fdic Indemnification Asset Changes ProvisionForLoanAndLeaseLossesExcludingFDICIndemnificationAssetChanges	-1744000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3489000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2913000	USD
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	44732000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	19943000	USD
	thff	Provision For Loan And Lease Losses Excluding Fdic Indemnification Asset Changes ProvisionForLoanAndLeaseLossesExcludingFDICIndemnificationAssetChanges	5655000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	4444000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2131000	USD
CY2020Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23285000	USD
CY2020Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	10919000	USD
CY2020Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	0	USD
CY2020Q2	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	9648000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	0	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0	USD
CY2021Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	15844000	USD
CY2021Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	2563142000	USD
CY2021Q2	thff	Financing Receivable Recorded Investment FinancingReceivableRecordedInvestment	2578986000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	25726000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	2592827000	USD
CY2020Q4	thff	Financing Receivable Recorded Investment FinancingReceivableRecordedInvestment	2618553000	USD
CY2021Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	4464000	USD
CY2021Q2	thff	Financing Receivable Impaired Troubled Debt Restructuring Additions During Period FinancingReceivableImpairedTroubledDebtRestructuringAdditionsDuringPeriod	187000	USD
CY2021Q2	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	59000	USD
CY2021Q2	thff	Financing Receivable Impaired Troubled Debt Restructuring Payments During Period FinancingReceivableImpairedTroubledDebtRestructuringPaymentsDuringPeriod	132000	USD
CY2021Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	4460000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	4206000	USD
	thff	Financing Receivable Impaired Troubled Debt Restructuring Additions During Period FinancingReceivableImpairedTroubledDebtRestructuringAdditionsDuringPeriod	613000	USD
	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	102000	USD
	thff	Financing Receivable Impaired Troubled Debt Restructuring Payments During Period FinancingReceivableImpairedTroubledDebtRestructuringPaymentsDuringPeriod	257000	USD
CY2021Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	4460000	USD
CY2020Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	4156000	USD
CY2020Q2	thff	Financing Receivable Impaired Troubled Debt Restructuring Additions During Period FinancingReceivableImpairedTroubledDebtRestructuringAdditionsDuringPeriod	104000	USD
CY2020Q2	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	15000	USD
CY2020Q2	thff	Financing Receivable Impaired Troubled Debt Restructuring Payments During Period FinancingReceivableImpairedTroubledDebtRestructuringPaymentsDuringPeriod	346000	USD
CY2020Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	3899000	USD
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	4194000	USD
	thff	Financing Receivable Impaired Troubled Debt Restructuring Additions During Period FinancingReceivableImpairedTroubledDebtRestructuringAdditionsDuringPeriod	258000	USD
	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	56000	USD
	thff	Financing Receivable Impaired Troubled Debt Restructuring Payments During Period FinancingReceivableImpairedTroubledDebtRestructuringPaymentsDuringPeriod	497000	USD
CY2020Q2	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	3899000	USD
CY2021Q2	thff	Loans And Leases Receivable Minimum Outstanding Balance To Be Individually Evaluated LoansAndLeasesReceivableMinimumOutstandingBalanceToBeIndividuallyEvaluated	100000	USD
CY2021Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1187676000	USD
CY2021Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	37351000	USD
CY2021Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5402000	USD
CY2021Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1219625000	USD
CY2020Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	977830000	USD
CY2020Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	43354000	USD
CY2020Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	440000	USD
CY2020Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1020744000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	12976000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	13054000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	46327000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	47795000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	64143000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	67453000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	345803000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	368278000	USD
CY2021Q2	thff	Available For Sale Securities Debt Maturities With Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithMaturityDateAmortizedCost	469249000	USD
CY2021Q2	thff	Available For Sale Securities Debt Maturities With Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithMaturityDateFairValue	496580000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	718427000	USD
CY2021Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	723045000	USD
CY2021Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1187676000	USD
CY2021Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1219625000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	258000	USD
CY2020Q2	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	34000	USD
CY2021Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	401837000	USD
CY2021Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5398000	USD
CY2021Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	4000000	USD
CY2021Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4000	USD
CY2021Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	405837000	USD
CY2021Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	5402000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	90241000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	390000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	4711000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	50000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	94952000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	440000	USD
CY2020Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2019Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2020Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2019Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2021Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	0	USD
CY2020Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	0	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	0	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	0	USD
CY2021Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2020Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2021Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2020Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	2974000	USD
CY2021Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1219625000	USD
CY2020Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1020744000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5223000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-63000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5160000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5031000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	129000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5160000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	6184000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-483000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	670000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5031000	USD
CY2021Q2	thff	Impaired Financing Receivable Unpaid Principal Balance Fair Value Disclosure ImpairedFinancingReceivableUnpaidPrincipalBalanceFairValueDisclosure	8400000	USD
CY2021Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	4864000	USD
CY2021Q2	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	3536000	USD
CY2020Q4	thff	Impaired Financing Receivable Unpaid Principal Balance Fair Value Disclosure ImpairedFinancingReceivableUnpaidPrincipalBalanceFairValueDisclosure	11367000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	4786000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	6581000	USD
CY2021Q2	us-gaap	Federal Funds Purchased FederalFundsPurchased	5775000	USD
CY2020Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	6500000	USD
CY2021Q2	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	92750000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	109561000	USD
CY2021Q2	thff	Federal Funds Purchased Repurchase Agreements Notes Payable FederalFundsPurchasedRepurchaseAgreementsNotesPayable	98525000	USD
CY2020Q4	thff	Federal Funds Purchased Repurchase Agreements Notes Payable FederalFundsPurchasedRepurchaseAgreementsNotesPayable	116061000	USD
CY2021Q2	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	92750000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	109561000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	2300000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Remainder Of Fiscal Year DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear	715000	USD
	thff	Defined Contribution Plan Employer Accrued Discretionary Contribution Amount DefinedContributionPlanEmployerAccruedDiscretionaryContributionAmount	1400000	USD
	thff	Defined Contribution Plan Employer Accrued Discretionary Contribution Amount DefinedContributionPlanEmployerAccruedDiscretionaryContributionAmount	870000	USD
CY2021Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-832000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1965000	USD
CY2021Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-279000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2244000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1412000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	9764000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-9217000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-865000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1412000	USD
CY2020Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	6001000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	3153000	USD
CY2020Q2	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-361000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3514000	USD
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	9515000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7501000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	16397000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-619000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	17016000	USD
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	9515000	USD
CY2021Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-832000	USD
CY2021Q2	thff	Other Comprehensive Income Loss Netof Tax Footnote OtherComprehensiveIncomeLossNetofTaxFootnote	2244000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1412000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	9764000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8352000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1412000	USD
CY2020Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	6001000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3514000	USD
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	9515000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7501000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17016000	USD
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	9515000	USD

Files In Submission

Name	View Source	Status
0000714562-21-000062-index-headers.html	Edgar Link	pending
0000714562-21-000062-index.html	Edgar Link	pending
0000714562-21-000062.txt	Edgar Link	pending
0000714562-21-000062-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.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
R5.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
thff-20210630.htm	Edgar Link	pending
thff-20210630.xsd	Edgar Link	pending
thff-20210630x10qexx311.htm	Edgar Link	pending
thff-20210630x10qexx312.htm	Edgar Link	pending
thff-20210630x10qexx321.htm	Edgar Link	pending
thff-20210630_cal.xml	Edgar Link	unprocessable
thff-20210630_def.xml	Edgar Link	unprocessable
thff-20210630_htm.xml	Edgar Link	completed
thff-20210630_lab.xml	Edgar Link	unprocessable
thff-20210630_pre.xml	Edgar Link	unprocessable

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$THFF
First Financial Corp Stock $thff

2021 Q3 Form 10-Q Financial Statement

#000071456221000062 Filed on August 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$THFF First Financial Corp Stock $thff

2021 Q3 Form 10-Q Financial Statement

#000071456221000062 Filed on August 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$THFF
First Financial Corp Stock $thff