$BUSE
FIRST BUSEY CORP /NV/ Stock $buse

$buse Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000031448922000018 Filed on November 03, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue		$95.42M
YoY Change		22.54%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$5.447M
YoY Change		-30.01%
% of Gross Profit
Depreciation & Amortization	$6.025M	$6.324M
YoY Change	-15.14%	-14.54%
% of Gross Profit
Operating Expenses		$5.447M
YoY Change		-30.01%
Operating Profit
YoY Change
Interest Expense		$9.110M
YoY Change		28.15%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$45.69M	$44.14M
YoY Change	16.56%	36.25%
Income Tax	$11.31M	$8.477M
% Of Pretax Income	24.74%	19.21%
Net Earnings	$34.39M	$35.66M
YoY Change	15.01%	37.47%
Net Earnings / Revenue		37.37%
Basic Earnings Per Share		$0.64
Diluted Earnings Per Share	$612.1K	$636.0K
COMMON SHARES
Basic Shares Outstanding	55.23M shares	55.22M
Diluted Shares Outstanding		56.07M shares

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$227.2M	$347.1M
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	$139.4M	$138.4M
YoY Change	2.35%	-2.57%
Goodwill	$317.9M	$317.9M
YoY Change	0.0%	0.03%
Intangibles	$46.42M	$49.22M
YoY Change	-20.03%	-19.48%
Long-Term Investments	$126.3M
YoY Change	40.1%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$12.34B	$12.50B
YoY Change	-4.07%	-3.12%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$13.00M	$10.31M
YoY Change	18.14%	-6.26%
Deferred Revenue
YoY Change
Short-Term Debt	$351.1M	$16.23M
YoY Change	1885.82%	-8.19%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$13.00M	$10.31M
YoY Change	18.14%	-6.26%
LONG-TERM LIABILITIES
Long-Term Debt	$323.8M	$326.6M
YoY Change	-3.62%	-3.66%
Other Long-Term Liabilities	$201.7M	$201.7M
YoY Change	51.67%	49.39%
Total Long-Term Liabilities	$525.6M	$528.3M
YoY Change	12.06%	11.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$13.00M	$10.31M
Total Long-Term Liabilities	$525.6M	$528.3M
Total Liabilities	$11.19B	$11.39B
YoY Change	-3.03%	-1.52%
SHAREHOLDERS EQUITY
Retained Earnings	$168.8M	$147.4M
YoY Change	82.53%	94.81%
Common Stock	$58.00K	$58.00K
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$70.55M	$71.75M
YoY Change	5.88%	27.46%
Treasury Stock Shares	2.838M shares	2.885M shares
Shareholders Equity	$1.146B	$1.107B
YoY Change
Total Liabilities & Shareholders Equity	$12.34B	$12.50B
YoY Change	-4.07%	-3.12%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	$34.39M	$35.66M
YoY Change	15.01%	37.47%
Depreciation, Depletion And Amortization	$6.025M	$6.324M
YoY Change	-15.14%	-14.54%
Cash From Operating Activities	$47.77M	$44.34M
YoY Change	-19.72%	119.49%
INVESTING ACTIVITIES
Capital Expenditures	$983.0K	-$1.334M
YoY Change	-198.3%	48.22%
Acquisitions
YoY Change
Other Investing Activities	$49.05M	-$58.18M
YoY Change	-183.71%	-88.97%
Cash From Investing Activities	$48.07M	-$59.52M
YoY Change	-180.66%	-88.74%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-215.8M	131.5M
YoY Change	352.46%	-72.1%
NET CHANGE
Cash From Operating Activities	47.77M	44.34M
Cash From Investing Activities	48.07M	-59.52M
Cash From Financing Activities	-215.8M	131.5M
Net Change In Cash	-120.0M	116.3M
YoY Change	151.01%	-414.32%
FREE CASH FLOW
Cash From Operating Activities	$47.77M	$44.34M
Capital Expenditures	$983.0K	-$1.334M
Free Cash Flow	$46.79M	$45.67M
YoY Change	-22.67%	116.45%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Registrant Name EntityRegistrantName	FIRST BUSEY CORPORATION
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Entity File Number EntityFileNumber	0-15950
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Central Index Key EntityCentralIndexKey	0000314489
	dei	Amendment Flag AmendmentFlag	false
CY2022Q3	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherAssets
CY2021Q4	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherAssets
CY2022Q3	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2021Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2022#OtherLiabilities
CY2022Q3	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#GainLossOnSaleOfMortgageLoans
CY2021Q3	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#GainLossOnSaleOfMortgageLoans
	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#GainLossOnSaleOfMortgageLoans
	us-gaap	Derivative Gain Loss Statement Of Income Or Comprehensive Income Extensible Enumeration DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2022#GainLossOnSaleOfMortgageLoans
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NV
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	37-1078406
	dei	Entity Address Address Line1 EntityAddressAddressLine1	100 W. University Ave.
	dei	Entity Address City Or Town EntityAddressCityOrTown	Champaign
	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	61820
	dei	City Area Code CityAreaCode	217
	dei	Local Phone Number LocalPhoneNumber	365-4544
	dei	Security12b Title Security12bTitle	Common Stock, $.001 par value
	dei	Trading Symbol TradingSymbol	BUSE
	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	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	55232434	shares
CY2022Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	121419000	usd
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	102983000	usd
CY2022Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	225730000	usd
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	733112000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	347149000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	836095000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2547041000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	3981251000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	936328000	usd
CY2021Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	0	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	11341000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	13571000	usd
CY2022Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	4546000	usd
CY2021Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	23875000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	90722000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	87887000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7579392000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7101111000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	128175000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	136147000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10202000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10533000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	317873000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	317873000	usd
CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	49218000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	58051000	usd
CY2022Q3	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	179533000	usd
CY2021Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	176940000	usd
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CY2021Q4	us-gaap	Other Assets OtherAssets	204242000	usd
CY2022Q3	us-gaap	Assets Assets	12497388000	usd
CY2021Q4	us-gaap	Assets Assets	12859689000	usd
CY2022Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3628169000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3670267000	usd
CY2022Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	6973228000	usd
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	7098310000	usd
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CY2021Q4	us-gaap	Deposits Deposits	10768577000	usd
CY2022Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	234597000	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	270139000	usd
CY2022Q3	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	16225000	usd
CY2021Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	17678000	usd
CY2022Q3	buse	Long Term Debt Excluding Senior Notes Subordinated Notes And Junior Subordinated LongTermDebtExcludingSeniorNotesSubordinatedNotesAndJuniorSubordinated	33000000	usd
CY2021Q4	buse	Long Term Debt Excluding Senior Notes Subordinated Notes And Junior Subordinated LongTermDebtExcludingSeniorNotesSubordinatedNotesAndJuniorSubordinated	46056000	usd
CY2022Q3	us-gaap	Senior Notes SeniorNotes	0	usd
CY2021Q4	us-gaap	Senior Notes SeniorNotes	39944000	usd
CY2022Q3	us-gaap	Subordinated Debt SubordinatedDebt	221835000	usd
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	182773000	usd
CY2022Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	71765000	usd
CY2021Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	71635000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	10311000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	10591000	usd
CY2022Q3	us-gaap	Other Liabilities OtherLiabilities	201670000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	133184000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	11390800000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	11540577000	usd
CY2022Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
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CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	66635000	usd
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CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12859689000	usd
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	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	195000	usd
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	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	859000	usd
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CY2022Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	3738000	usd
CY2021Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	2480000	usd
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	9243000	usd
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	7436000	usd
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	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	2148000	usd
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	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	232289000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	200190000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2364000	usd
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	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3764000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-10365000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	83941000	usd
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	72624000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	228525000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	210555000	usd
CY2022Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	438000	usd
CY2021Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1740000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1697000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	6153000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	958000	usd
CY2021Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	999000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2716000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3439000	usd
CY2022Q3	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	-74000	usd
CY2021Q3	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	-5000	usd
	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	52000	usd
	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	114000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	78000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	62000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-2376000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2482000	usd
CY2022Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	4318000	usd
CY2021Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2806000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	12046000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	6485000	usd
CY2022Q3	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	30933000	usd
CY2021Q3	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	33259000	usd
	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	97724000	usd
	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	97715000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	39762000	usd
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	41949000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	117226000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	107222000	usd
CY2022Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	5447000	usd
CY2021Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	7782000	usd
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	15800000	usd
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	16881000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	4705000	usd
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	4797000	usd
	us-gaap	Occupancy Net OccupancyNet	14492000	usd
	us-gaap	Occupancy Net OccupancyNet	13606000	usd
CY2022Q3	us-gaap	Equipment Expense EquipmentExpense	1799000	usd
CY2021Q3	us-gaap	Equipment Expense EquipmentExpense	2208000	usd
	us-gaap	Equipment Expense EquipmentExpense	5874000	usd
	us-gaap	Equipment Expense EquipmentExpense	6300000	usd
CY2022Q3	us-gaap	Professional Fees ProfessionalFees	1579000	usd
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	1361000	usd
	us-gaap	Professional Fees ProfessionalFees	4693000	usd
	us-gaap	Professional Fees ProfessionalFees	5617000	usd
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2871000	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3149000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8833000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8200000	usd
CY2022Q3	buse	Interchange Expense InterchangeExpense	1574000	usd
CY2021Q3	buse	Interchange Expense InterchangeExpense	1434000	usd
	buse	Interchange Expense InterchangeExpense	4606000	usd
	buse	Interchange Expense InterchangeExpense	4360000	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	12999000	usd
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	10807000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	38680000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	28425000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	70736000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	73487000	usd
	us-gaap	Noninterest Expense NoninterestExpense	210204000	usd
	us-gaap	Noninterest Expense NoninterestExpense	190611000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	44138000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	32396000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	116045000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	117659000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8477000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6455000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22121000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24136000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	35661000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	25941000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93523000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.69
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.23
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.23
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.69
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.69
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	35661000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	25941000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93523000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-69306000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-12296000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-211988000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-35606000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	usd
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	-34644000	usd
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-53000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-4000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	20000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	16000	usd
CY2022Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	-1291000	usd
CY2021Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	0	usd
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	-3500000	usd
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss After Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-67962000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-12292000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-243152000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-35622000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-10192000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-5000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-21587000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	336000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-266000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-206000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	498000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-611000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-9926000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	201000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-22085000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	947000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-77888000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12091000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-265237000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-34675000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-42227000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13850000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-171313000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	58848000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	1161957000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	35661000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-77888000	usd
CY2022Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3088000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	206000	usd
CY2022Q3	buse	Stock Issued During Period Value Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodValueEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	-29000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.23
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	12707000	usd
CY2022Q3	buse	Common Stock Dividends Per Restricted Stock Share Declared CommonStockDividendsPerRestrictedStockShareDeclared	0.23
CY2022Q3	buse	Common Stock Dividends Restricted Stock Declared CommonStockDividendsRestrictedStockDeclared	0	usd
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	-2476000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	1106588000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1319112000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93924000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-265237000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	9912000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1017000	usd
	buse	Stock Issued During Period Value Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodValueEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	-878000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.69
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	38159000	usd
	buse	Common Stock Dividends Per Restricted Stock Share Declared CommonStockDividendsPerRestrictedStockShareDeclared	0.69
	buse	Common Stock Dividends Restricted Stock Declared CommonStockDividendsRestrictedStockDeclared	0	usd
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	-6721000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	1106588000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	1345691000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	25941000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12091000	usd
CY2021Q3	buse	Stock Issued During Period Value Acquisitions Net Of Stock Issuance Costs StockIssuedDuringPeriodValueAcquisitionsNetOfStockIssuanceCosts	-29000	usd
CY2021Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	14790000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	307000	usd
CY2021Q3	buse	Stock Issued During Period Value Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodValueEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	-888000	usd
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.23
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	12956000	usd
CY2021Q3	buse	Common Stock Dividends Per Restricted Stock Share Declared CommonStockDividendsPerRestrictedStockShareDeclared	0.23
CY2021Q3	buse	Common Stock Dividends Restricted Stock Declared CommonStockDividendsRestrictedStockDeclared	0	usd
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	-1891000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	1333076000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1270069000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93523000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-34675000	usd
	buse	Stock Issued During Period Value Acquisitions Net Of Stock Issuance Costs StockIssuedDuringPeriodValueAcquisitionsNetOfStockIssuanceCosts	58955000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	22038000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93523000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	307000	usd
	buse	Stock Issued During Period Value Equity Instruments Other Than Options Vested And Related Tax Benefit StockIssuedDuringPeriodValueEquityInstrumentsOtherThanOptionsVestedAndRelatedTaxBenefit	-888000	usd
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.69
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	37953000	usd
	buse	Common Stock Dividends Per Restricted Stock Share Declared CommonStockDividendsPerRestrictedStockShareDeclared	0.69
	buse	Common Stock Dividends Restricted Stock Declared CommonStockDividendsRestrictedStockDeclared	0	usd
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	-5776000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	1333076000	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3764000	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-10365000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8833000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8200000	usd
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	2757000	usd
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	4202000	usd
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-542000	usd
	us-gaap	Investment Tax Credit InvestmentTaxCredit	4668000	usd
	us-gaap	Investment Tax Credit InvestmentTaxCredit	4308000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8035000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8723000	usd
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-2524000	usd
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	4860000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-15820000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-17263000	usd
	buse	Accretion Of Premiums And Discounts On Time Deposits AccretionOfPremiumsAndDiscountsOnTimeDeposits	318000	usd
	buse	Accretion Of Premiums And Discounts On Time Deposits AccretionOfPremiumsAndDiscountsOnTimeDeposits	929000	usd
	buse	Amortization Of Discount On Federal Home Loan Bank Advances AmortizationOfDiscountOnFederalHomeLoanBankAdvances	1152000	usd
	buse	Amortization Of Discount On Federal Home Loan Bank Advances AmortizationOfDiscountOnFederalHomeLoanBankAdvances	620000	usd
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	611000	usd
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	427000	usd
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	usd
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-9000	usd
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	84000	usd
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	usd
	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	-2376000	usd
	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	2482000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5776000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	63986000	usd
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	24000	usd
	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	28000	usd
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	114000	usd
	buse	Gain Loss On Sale Of Loans Net GainLossOnSaleOfLoansNet	1777000	usd
	buse	Gain Loss On Sale Of Loans Net GainLossOnSaleOfLoansNet	8202000	usd
	buse	Gains Losses On Sales Of Other Real Estate Excluding Allowance GainsLossesOnSalesOfOtherRealEstateExcludingAllowance	-56000	usd
	buse	Gains Losses On Sales Of Other Real Estate Excluding Allowance GainsLossesOnSalesOfOtherRealEstateExcludingAllowance	-163000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	666000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1007000	usd
	buse	Gain Loss On Life Insurance Proceeds GainLossOnLifeInsuranceProceeds	0	usd
	buse	Gain Loss On Life Insurance Proceeds GainLossOnLifeInsuranceProceeds	493000	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2716000	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2946000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	3000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-2326000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	6721000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	102496000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	214096000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	84732000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	244356000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	45575000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	17099000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3364000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-23829000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	118018000	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	14820000	usd
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	11017000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	279831000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	2048554000	usd
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	15418000	usd
	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	7254000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	290955000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	51552000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	370274000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	641754000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	225000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-228279000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	484701000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	-114729000	usd
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	101000	usd
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	118000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	219000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	3232000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4006000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4041000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	816551000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4182000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6519000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	2662000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	1452000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-338927000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-769556000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-166862000	usd
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-35542000	usd
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	48977000	usd
	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	0	usd
	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	5000000	usd
	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	5507000	usd
	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	4492000	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	98094000	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	72500000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	109000000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	15500000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	38159000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	37953000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9912000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	22038000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	878000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	888000	usd
	buse	Proceeds From Issuance Of Treasury Stock For Employee Stock Purchase Program ProceedsFromIssuanceOfTreasuryStockForEmployeeStockPurchaseProgram	-271000	usd
	buse	Proceeds From Issuance Of Treasury Stock For Employee Stock Purchase Program ProceedsFromIssuanceOfTreasuryStockForEmployeeStockPurchaseProgram	361000	usd
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	150000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-268037000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	862368000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-488946000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	195308000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	836095000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	688537000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	347149000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	883845000	usd
	us-gaap	Interest Paid Net InterestPaidNet	19465000	usd
	us-gaap	Interest Paid Net InterestPaidNet	16257000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	30506000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	19586000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	132000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	228000	usd
	buse	Transfer Of Investment Securities Available For Sale To Held To Maturity TransferOfInvestmentSecuritiesAvailableForSaleToHeldToMaturity	985199000	usd
	buse	Transfer Of Investment Securities Available For Sale To Held To Maturity TransferOfInvestmentSecuritiesAvailableForSaleToHeldToMaturity	0	usd
CY2022Q3	us-gaap	Assets Assets	12500000000	usd
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
	buse	Number Of Banking Centers Consolidated NumberOfBankingCentersConsolidated	58	center
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:10pt;margin-top:10pt;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-bottom:10pt;margin-top:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In preparing the accompanying unaudited consolidated financial statements in conformity with GAAP, the Company’s management is required to make estimates and assumptions that affect the amounts reported in the financial statements and the disclosures provided. Actual results could differ from those estimates. Material estimates which are particularly susceptible to significant change in the near term relate to the fair value of debt securities available for sale, fair value of assets acquired and liabilities assumed in business combinations, goodwill, income taxes, and the determination of the ACL.</span></div>
CY2022Q3	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	65516000	usd
CY2022Q3	buse	Covid19 Payroll Assistance For Small Businesscovid19 Payroll Assistance For Small Business Covid19PayrollAssistanceForSmallBusinesscovid19PayrollAssistanceForSmallBusiness	1100000000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	127443000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	808885000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	58346000	usd
CY2022Q3	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	823851000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2875848000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	60000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	328867000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2547041000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	936328000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	4013523000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	22382000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	54654000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	3981251000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	176516000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	174227000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	410372000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	379095000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	353968000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	319381000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	1934992000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	1674338000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2875848000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2547041000	usd
CY2022Q3	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	46961000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	43738000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	706801000	usd
CY2022Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	936328000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	808885000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	114000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	524000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	74000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	5000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	86000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	410000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-74000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-5000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	28000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	114000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1393540000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	133067000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1139006000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	195800000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2532546000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	328867000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	271660000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	44835000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	537225000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	82608000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	808885000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	127443000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2676734000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	49847000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	106443000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4807000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2783177000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	54654000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2532546000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	808885000	usd
CY2022Q3	buse	Debt Securities Fair Value DebtSecuritiesFairValue	3341431000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	328867000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	127443000	usd
CY2022Q3	buse	Debt Securities Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	456310000	usd
CY2022Q3	buse	Available For Sale Securities In Unrealized Loss Positions As Percentage Of Aggregate Carrying Value AvailableForSaleSecuritiesInUnrealizedLossPositionsAsPercentageOfAggregateCarryingValue	0.130
CY2022Q3	buse	Held For Maturity Securities In Unrealized Loss Positions As Percentage Of Aggregate Carrying Value HeldForMaturitySecuritiesInUnrealizedLossPositionsAsPercentageOfAggregateCarryingValue	0.158
CY2022Q3	buse	Securities In Unrealized Loss Positions As Percentage Of Aggregate Carrying Value SecuritiesInUnrealizedLossPositionsAsPercentageOfAggregateCarryingValue	0.137
CY2022Q3	buse	Total Count Of Debt Securities Available For Sale Securities TotalCountOfDebtSecuritiesAvailableForSaleSecurities	1145	security
CY2022Q3	buse	Total Count Of Debt Securities Held To Maturity TotalCountOfDebtSecuritiesHeldToMaturity	55	security
CY2022Q3	buse	Total Count Of Debt Securities TotalCountOfDebtSecurities	1200	security
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1109	security
CY2022Q3	buse	Debt Securities Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesHeldToMaturityUnrealizedLossPositionNumberOfPositions	55	security
CY2022Q3	buse	Debt Securities Unrealized Loss Position Number Of Positions DebtSecuritiesUnrealizedLossPositionNumberOfPositions	1164	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2783177000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	0	usd
CY2021Q4	buse	Debt Securities Fair Value DebtSecuritiesFairValue	2783177000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	54654000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0	usd
CY2021Q4	buse	Debt Securities Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	54654000	usd
CY2021Q4	buse	Available For Sale Securities In Unrealized Loss Positions As Percentage Of Aggregate Carrying Value AvailableForSaleSecuritiesInUnrealizedLossPositionsAsPercentageOfAggregateCarryingValue	0.020
CY2021Q4	buse	Held For Maturity Securities In Unrealized Loss Positions As Percentage Of Aggregate Carrying Value HeldForMaturitySecuritiesInUnrealizedLossPositionsAsPercentageOfAggregateCarryingValue	0
CY2021Q4	buse	Securities In Unrealized Loss Positions As Percentage Of Aggregate Carrying Value SecuritiesInUnrealizedLossPositionsAsPercentageOfAggregateCarryingValue	0.020
CY2021Q4	buse	Total Count Of Debt Securities Available For Sale Securities TotalCountOfDebtSecuritiesAvailableForSaleSecurities	1252	security
CY2021Q4	buse	Total Count Of Debt Securities Held To Maturity TotalCountOfDebtSecuritiesHeldToMaturity	0	security
CY2021Q4	buse	Total Count Of Debt Securities TotalCountOfDebtSecurities	1252	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	373	security
CY2021Q4	buse	Debt Securities Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesHeldToMaturityUnrealizedLossPositionNumberOfPositions	0	security
CY2021Q4	buse	Debt Securities Unrealized Loss Position Number Of Positions DebtSecuritiesUnrealizedLossPositionNumberOfPositions	373	security
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7670114000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7188998000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	90722000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	87887000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7579392000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7101111000	usd
CY2022Q3	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	13700000	usd
CY2021Q4	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	9000000	usd
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Period Increase Decrease CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease	-6400000	usd
CY2021	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Period Increase Decrease CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease	-8800000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7670114000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7188998000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1944811000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1996516000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1006106000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	617311000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	337492000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	714885000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1052993000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7670114000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	2393701000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1296955000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	845248000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	503186000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	434084000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	671510000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	1044314000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7188998000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1229000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	15425000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	906000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	15946000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	300000	usd
	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	800000	usd
CY2021Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	300000	usd
	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	1200000	usd
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	400000	usd
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	400000	usd
CY2021Q3	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	400000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2423000	usd
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2352000	usd
CY2021Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
CY2022Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
	buse	Collateral Dependent Loans CollateralDependentLoans	14800000	usd
CY2021	buse	Collateral Dependent Loans CollateralDependentLoans	7900000	usd
CY2022Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	1000000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	19465000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	4554000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	9952000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	14506000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	4831000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	15496000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	19489000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	8865000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	6515000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	15380000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	3589000	usd
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	19556000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	88757000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	2364000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	819000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	420000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	90722000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	87887000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	3764000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2623000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	1694000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	90722000	usd
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	95410000	usd
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	-1869000	usd
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	1208000	usd
CY2021Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	469000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	92802000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	101048000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	-10365000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	3711000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	1652000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	92802000	usd
CY2022Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	7655608000	usd
CY2022Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	14506000	usd
CY2022Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7670114000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	85891000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	4831000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	90722000	usd
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	7173618000	usd
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	15380000	usd
CY2021Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	7188998000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	84298000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	3589000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	87887000	usd
CY2022Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3628169000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3670267000	usd
CY2022Q3	buse	Interest Bearing Transaction Deposits InterestBearingTransactionDeposits	2952414000	usd
CY2021Q4	buse	Interest Bearing Transaction Deposits InterestBearingTransactionDeposits	2720417000	usd
CY2022Q3	buse	Deposits Interest Bearing Transaction Deposits Saving Deposits And Money Market Deposits DepositsInterestBearingTransactionDepositsSavingDepositsAndMoneyMarketDeposits	3220627000	usd
CY2021Q4	buse	Deposits Interest Bearing Transaction Deposits Saving Deposits And Money Market Deposits DepositsInterestBearingTransactionDepositsSavingDepositsAndMoneyMarketDeposits	3442244000	usd
CY2022Q3	us-gaap	Time Deposits TimeDeposits	800187000	usd
CY2021Q4	us-gaap	Time Deposits TimeDeposits	935649000	usd
CY2022Q3	us-gaap	Deposits Deposits	10601397000	usd
CY2021Q4	us-gaap	Deposits Deposits	10768577000	usd
CY2022Q3	buse	Brokered Saving Deposits And Money Market Deposits BrokeredSavingDepositsAndMoneyMarketDeposits	2006000	usd
CY2021Q4	buse	Brokered Saving Deposits And Money Market Deposits BrokeredSavingDepositsAndMoneyMarketDeposits	2248000	usd
CY2022Q3	buse	Brokered Time Deposits BrokeredTimeDeposits	273000	usd
CY2021Q4	buse	Brokered Time Deposits BrokeredTimeDeposits	266000	usd
CY2022Q3	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	379136000	usd
CY2021Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	454649000	usd
CY2022Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	103534000	usd
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	137449000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Remainder Of Fiscal Year TimeDepositMaturitiesRemainderOfFiscalYear	188332000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	431060000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	126309000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	23078000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	17910000	usd
CY2022Q3	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	12844000	usd
CY2022Q3	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	654000	usd
CY2022Q3	us-gaap	Time Deposits TimeDeposits	800187000	usd
CY2022Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	234597000	usd
CY2021Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	270139000	usd
CY2022Q3	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0098
CY2021Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0008
CY2022Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	16225000	usd
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	17678000	usd
CY2021Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	usd
CY2022Q3	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	usd
CY2022Q3	buse	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650
CY2022Q3	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1130206000	usd
CY2022Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	33000000	usd
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	46056000	usd
CY2022Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	3165000	usd
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	2283000	usd
CY2022Q3	buse	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	1056206000	usd
CY2022Q3	buse	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1179
CY2022Q3	buse	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	403047000	usd
CY2022Q3	buse	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0450
CY2022Q3	buse	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized	582179000	usd
CY2022Q3	buse	Tier One Risk Based Capital To Risk Weighted Assets Percent TierOneRiskBasedCapitalToRiskWeightedAssetsPercent	0.1262
CY2022Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	537396000	usd
CY2022Q3	buse	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Percent TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPercent	0.0600
CY2022Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	716528000	usd
CY2022Q3	buse	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Percent TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssetsPercent	0.0800
CY2022Q3	us-gaap	Capital Capital	1431308000	usd
CY2022Q3	buse	Capital To Risk Weighted Assets Percent CapitalToRiskWeightedAssetsPercent	0.1598
CY2022Q3	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	716528000	usd
CY2022Q3	buse	Capital Required For Capital Adequacy To Risk Weighted Assets Percent CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPercent	0.0800
CY2022Q3	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	895660000	usd
CY2022Q3	buse	Capital Required To Be Well Capitalized To Risk Weighted Assets Percent CapitalRequiredToBeWellCapitalizedToRiskWeightedAssetsPercent	0.1000
CY2022Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1130206000	usd
CY2022Q3	buse	Tier One Leverage Capital To Average Assets Percent TierOneLeverageCapitalToAverageAssetsPercent	0.0915
CY2022Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	494124000	usd
CY2022Q3	buse	Tier One Leverage Capital Required For Capital Adequacy To Average Assets Percent TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssetsPercent	0.0400
CY2021Q4	buse	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	995874000	usd
CY2021Q4	buse	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1185
CY2021Q4	buse	Common Equity Tier One Risk Based Capital Required For Capital Adequacy CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy	378334000	usd
CY2021Q4	buse	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0450
CY2021Q4	buse	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized	546482000	usd
CY2021Q4	buse	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650
CY2021Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1069874000	usd
CY2021Q4	buse	Tier One Risk Based Capital To Risk Weighted Assets Percent TierOneRiskBasedCapitalToRiskWeightedAssetsPercent	0.1273
CY2021Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	504445000	usd
CY2021Q4	buse	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Percent TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPercent	0.0600
CY2021Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	672594000	usd
CY2021Q4	buse	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets Percent TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssetsPercent	0.0800
CY2021Q4	us-gaap	Capital Capital	1320187000	usd
CY2021Q4	buse	Capital To Risk Weighted Assets Percent CapitalToRiskWeightedAssetsPercent	0.1570
CY2021Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	672594000	usd
CY2021Q4	buse	Capital Required For Capital Adequacy To Risk Weighted Assets Percent CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPercent	0.0800
CY2021Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	840742000	usd
CY2021Q4	buse	Capital Required To Be Well Capitalized To Risk Weighted Assets Percent CapitalRequiredToBeWellCapitalizedToRiskWeightedAssetsPercent	0.1000
CY2021Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1069874000	usd
CY2021Q4	buse	Tier One Leverage Capital To Average Assets Percent TierOneLeverageCapitalToAverageAssetsPercent	0.0852
CY2021Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	502336000	usd
CY2021Q4	buse	Tier One Leverage Capital Required For Capital Adequacy To Average Assets Percent TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssetsPercent	0.0400
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	31386	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.53
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y10M17D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	440	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	23.53
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	30946	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.53
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y1M17D
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	30946	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	23.53
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y1M17D
CY2022Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2476000	usd
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1891000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6721000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5776000	usd
CY2022Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	15616000	usd
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	11960000	usd
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y7M6D
CY2021	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y10M24D
CY2022Q3	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	2056188000	usd
CY2021Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	2016207000	usd
CY2022Q3	buse	Number Of Risk Participant Agreement NumberOfRiskParticipantAgreement	2	agreement
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	35661000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	25941000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	93924000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	93523000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55349547	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56227816	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55399424	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55256348	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56073164	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56832518	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56123756	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55872835	shares
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.69
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	160391	shares
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	133376	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	289043	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	192578	shares
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2022Q3	us-gaap	Goodwill Goodwill	317873000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	317873000	usd
CY2022Q3	us-gaap	Assets Assets	12497388000	usd
CY2021Q4	us-gaap	Assets Assets	12859689000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	86305000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	70755000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	232289000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	200190000	usd
CY2022Q3	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	30933000	usd
CY2021Q3	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	33259000	usd
	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	97724000	usd
	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	97715000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	70736000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	73487000	usd
	us-gaap	Noninterest Expense NoninterestExpense	210204000	usd
	us-gaap	Noninterest Expense NoninterestExpense	190611000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	44138000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	32396000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	116045000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	117659000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	35661000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	25941000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	93523000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10202000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10533000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	10311000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	10591000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M9D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y5M19D
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0291
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0216
CY2022Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	563000	usd
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	656000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	1762000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	1828000	usd
CY2022Q3	us-gaap	Variable Lease Cost VariableLeaseCost	214000	usd
CY2021Q3	us-gaap	Variable Lease Cost VariableLeaseCost	94000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	436000	usd
	us-gaap	Variable Lease Cost VariableLeaseCost	394000	usd
CY2022Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5000	usd
CY2021Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	9000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	15000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	43000	usd
CY2022Q3	us-gaap	Lease Cost LeaseCost	782000	usd
CY2021Q3	us-gaap	Lease Cost LeaseCost	759000	usd
	us-gaap	Lease Cost LeaseCost	2213000	usd
	us-gaap	Lease Cost LeaseCost	2265000	usd
CY2022Q3	buse	Operating Lease Payments Fixed Payment OperatingLeasePaymentsFixedPayment	1076000	usd
CY2021Q3	buse	Operating Lease Payments Fixed Payment OperatingLeasePaymentsFixedPayment	620000	usd
	buse	Operating Lease Payments Fixed Payment OperatingLeasePaymentsFixedPayment	2445000	usd
	buse	Operating Lease Payments Fixed Payment OperatingLeasePaymentsFixedPayment	1756000	usd
CY2022Q3	buse	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	464000	usd
CY2021Q3	buse	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	569000	usd
	buse	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	1741000	usd
	buse	Operating Lease Payments Liability Reduction OperatingLeasePaymentsLiabilityReduction	1610000	usd
CY2022Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1127000	usd
CY2021Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3408000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1182000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5018000	usd
CY2021Q3	us-gaap	Lease Income LeaseIncome	208000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	539000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1857000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1573000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1349000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1059000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	886000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	4626000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	11889000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1578000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	10311000	usd
CY2022Q3	us-gaap	Lease Income LeaseIncome	146000	usd
	us-gaap	Lease Income LeaseIncome	519000	usd
	us-gaap	Lease Income LeaseIncome	339000	usd

Files In Submission

Name	View Source	Status
buse_20220930xex322.htm	Edgar Link	pending
0000314489-22-000018-index-headers.html	Edgar Link	pending
0000314489-22-000018-index.html	Edgar Link	pending
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$BUSE
FIRST BUSEY CORP /NV/ Stock $buse

2022 Q4 Form 10-Q Financial Statement

#000031448922000018 Filed on November 03, 2022

Income Statement

Balance Sheet

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Facts In Submission

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$BUSE FIRST BUSEY CORP /NV/ Stock $buse

2022 Q4 Form 10-Q Financial Statement

#000031448922000018 Filed on November 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BUSE
FIRST BUSEY CORP /NV/ Stock $buse