XML 168 R156.htm IDEA: XBRL DOCUMENT
v3.24.0.1

ACQUISITIONS (Details) - Merchants and Manufacturers Bank Corporation $ / shares in Units, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 27, 2023 $ / shares | Dec. 31, 2023 USD ($) | Nov. 24, 2023 USD ($)
Business Acquisition, Contingent Consideration [Line Items] |  |  |
Per share cash consideration entitled (in dollars per share) | $ / shares | $ 117.74 |  |
Share consideration conversion ratio | 5.7294 |  |
Mixed consideration (in dollars per share) | $ / shares | $ 34.55 |  |
Mixed consideration ratio | 4.0481 |  |
Common stock share consideration | 71.00% |  |
Common stock cash consideration | 29.00% |  |
Aggregate implied transaction value | $ |  |  | $ 41.6
Pre-tax acquisition expenses | $ |  | $ 0.3 |

X
- Definition Business Acquisition Aggregate Implied Transaction Value + References No definition available. + Details
Name: | buse_BusinessAcquisitionAggregateImpliedTransactionValue
Namespace Prefix: | buse_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow per share associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References No definition available. + Details
Name: | buse_BusinessCombinationConsiderationTransferredPerShareInCash
Namespace Prefix: | buse_
Data Type: | dtr-types1:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Combination Equity Consideration Transferred Percentage + References No definition available. + Details
Name: | buse_BusinessCombinationEquityConsiderationTransferredPercentage
Namespace Prefix: | buse_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Business Combination Mixed Consideration Transferred In Shares + References No definition available. + Details
Name: | buse_BusinessCombinationMixedConsiderationTransferredInShares
Namespace Prefix: | buse_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Combination Mixed Consideration Transferred Per Share In Cash + References No definition available. + Details
Name: | buse_BusinessCombinationMixedConsiderationTransferredPerShareInCash
Namespace Prefix: | buse_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio applied to the conversion of stock received or as a right to receive as consideration. + References No definition available. + Details
Name: | buse_BusinessCombinationSharesReceived
Namespace Prefix: | buse_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Cash Transferred In Business Combination As Consideration Combination Cash Consideration Transferred Percentage + References No definition available. + Details
Name: | buse_PercentageOfCashTransferredInBusinessCombinationAsConsiderationCombinationCashConsiderationTransferredPercentage
Namespace Prefix: | buse_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionContingentConsiderationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479405/805-10-25-23 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=buse_MerchantsAndManufacturersBankCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |