XML 83 R73.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Goodwill and Other Intangible Assets - Goodwill (Details) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2019 USD ($) segment | Jan. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Jul. 02, 2017 USD ($)
Goodwill and other intangibles assets |  |  |  |
Number of operating segments | segment | 3 |  |  |
Total goodwill | $ 311,536 |  | $ 267,685 |
First Community |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill |  |  |  | $ 115,982
Other intangible assets |  |  |  | 13,979
Banc Ed |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill |  | $ 41,437 |  |
Other intangible assets |  | $ 32,617 |  |
Pulaski |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill |  |  |  | $ 116,000
Mid Illinois |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Changes in the carrying amount of goodwill | 1,700 |  |  |
Banking |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill | 288,436 |  | 246,999 |
Banking | Banc Ed |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill | 41,400 |  |  |
Other intangible assets | 27,200 |  |  |
Remittance Processing |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill | 8,992 |  | 8,992 |
Wealth Management |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill | 14,108 |  | $ 11,694 |
Other intangible assets | 5,400 |  |  |
Wealth Management | IST |  |  |  |
Goodwill and other intangibles assets |  |  |  |
Total goodwill | 2,400 |  |  |
Other intangible assets | $ 5,700 |  |  |

X
- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
Name: | us-gaap_NumberOfOperatingSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=buse_BankingSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=buse_RemittanceProcessingSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=buse_WealthManagementSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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