Business Acquisition Conversion Share Rate

No definition available.

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- Definition

Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets

+ References

No definition available.

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- Definition

Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities

+ References

No definition available.

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- Definition

Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net Assets

+ References

No definition available.

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- Definition

Number Of Banking Offices Acquired

+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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- 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

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the best estimate at the acquisition date of the contractual cash flows not expected to be collected, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

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- 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.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to financial assets acquired in connection with a business combination for which the initial accounting was incomplete.

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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to financial liabilities assumed in connection with a business combination for which the initial accounting was incomplete.

+ References

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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-Name Accounting Standards Codification
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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

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- 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.

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- 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

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- Details

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Acquisitions - Narrative (Details) $ / shares in Units, $ in Millions		12 Months Ended
	Apr. 08, 2019 USD ($) office $ / shares shares	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Goodwill		$ 621.6	$ 621.6	$ 546.7
Number of operating segments \| segment		1
Acquisition related expenses		$ 0.0	20.3	$ 12.4
Core Deposits Intangibles
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Net	$ 3.0	51.2	62.1
Finite-lived intangible assets acquired		$ 0.0	$ 16.6
Estimated useful lives of related deposits	10 years
Idaho Independent Bank [Member]
Business Acquisition [Line Items]
Core deposit intangible assets	$ 13.6
Number of banking offices \| office	11
Total consideration paid	$ 157.3
Goodwill	$ 73.0
Idaho Independent Bank [Member] \| Class A Common Stock
Business Acquisition [Line Items]
Business Acquisition Conversion Share Rate \| shares	0.50
Common stock issued (in shares) \| shares	3,871,422
Business Acquisition, Share Price \| $ / shares	$ 40.64
Idaho Independent Bank [Member] \| Core Deposits Intangibles
Business Acquisition [Line Items]
Estimated useful lives of related deposits	10 years
Community 1st Bank [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities	$ 110.1
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets	$ 129.1
Number of banking offices \| office	3
Total consideration paid	$ 18.8
Goodwill	2.3
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net Assets	16.5
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets	78.8
Business Combination, Acquired Receivables, Estimated Uncollectible	0.7
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities	$ 112.6
Community 1st Bank [Member] \| Class A Common Stock
Business Acquisition [Line Items]
Business Acquisition Conversion Share Rate \| shares	0.3784
Common stock issued (in shares) \| shares	463,134
Business Acquisition, Share Price \| $ / shares	$ 40.64