XML 97 R87.htm IDEA: XBRL DOCUMENT
v3.23.1

Fair Value Measurements - Schedule of quantitative information about Level 3 fair value measurements (Details) $ in Thousands | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Fair Value |  |
Loans evaluated individually, net of related allowance | $ 12,930 | $ 15,647
Fair Value, Nonrecurring | Loans evaluated individually, net of related allowance |  |
Fair Value |  |
Loans evaluated individually, net of related allowance | 5,806 | 5,345
Fair Value, Nonrecurring | OREO and other repossessed assets with subsequent impairment |  |
Fair Value |  |
OREO and other repossessed assets with subsequent impairment | 639 |
Fair Value, Nonrecurring | Bank property held for sale with impairment |  |
Fair Value |  |
Bank property held for sale with impairment | 7,923 | 7,923
Fair Value, Nonrecurring | Level 3 Inputs | Loans evaluated individually, net of related allowance |  |
Fair Value |  |
Loans evaluated individually, net of related allowance | 5,806 | 5,345
Fair Value, Nonrecurring | Level 3 Inputs | OREO and other repossessed assets with subsequent impairment |  |
Fair Value |  |
OREO and other repossessed assets with subsequent impairment | 639 |
Fair Value, Nonrecurring | Level 3 Inputs | Bank property held for sale with impairment |  |
Fair Value |  |
Bank property held for sale with impairment | 7,923 | 7,923
Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral | Loans evaluated individually, net of related allowance |  |
Fair Value |  |
Loans evaluated individually, net of related allowance | 5,806 | 5,345
Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral | OREO and other repossessed assets with subsequent impairment |  |
Fair Value |  |
OREO and other repossessed assets with subsequent impairment | 639 |
Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral or real estate listing price | Bank property held for sale with impairment |  |
Fair Value |  |
Bank property held for sale with impairment | $ 7,923 | $ 7,923
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral | Loans evaluated individually, net of related allowance | Minimum |  |
Range (Weighted Average) |  |
Loans evaluated individually, net of related allowance | (0.208) | (0.227)
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral | Loans evaluated individually, net of related allowance | Maximum |  |
Range (Weighted Average) |  |
Loans evaluated individually, net of related allowance | (1.000) | (1.000)
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral | Loans evaluated individually, net of related allowance | Weighted Average |  |
Range (Weighted Average) |  |
Loans evaluated individually, net of related allowance | (0.355) | (0.457)
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral | OREO and other repossessed assets with subsequent impairment | Maximum |  |
Range (Weighted Average) |  |
OREO and other repossessed assets with subsequent impairment | (0.136) |
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral | OREO and other repossessed assets with subsequent impairment | Weighted Average |  |
Range (Weighted Average) |  |
OREO and other repossessed assets with subsequent impairment | (0.136) |
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral or real estate listing price | Bank property held for sale with impairment | Minimum |  |
Range (Weighted Average) |  |
Bank property held for sale with impairment | (0.007) | (0.007)
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral or real estate listing price | Bank property held for sale with impairment | Maximum |  |
Range (Weighted Average) |  |
Bank property held for sale with impairment | (0.701) | (0.701)
Measurement Input, Comparability Adjustment | Fair Value, Nonrecurring | Level 3 Inputs | Appraisal of collateral or real estate listing price | Bank property held for sale with impairment | Weighted Average |  |
Range (Weighted Average) |  |
Bank property held for sale with impairment | (0.351) | (0.351)

X
- Definition The fair value of bank property held for sale. + References No definition available. + Details
Name: | buse_BankPropertyHeldForSaleFairValueDisclosure
Namespace Prefix: | buse_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Value of input used to measure alternative investment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_AlternativeInvestmentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_FairValueInputsQuantitativeInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueMeasurementsNonrecurringValueMeasurementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Value of input used to measure long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_LongTermDebtMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_OtherRealEstateOwnedMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5162-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4437-111522 + Details
Name: | us-gaap_RealEstateAcquiredThroughForeclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=buse_CollateralDependentLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_RealEstateAcquiredInSatisfactionOfDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=buse_BankPropertyHeldForSaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_MarketApproachValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=buse_AppraisalOfCollateralOrRealEstateListingPriceValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputComparabilityAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |