Estimate of Payments to Acquire Businesses, Gross

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- Definition

Number of Communities Adjacent to Existing Market Areas

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- Definition

Number of Subsidiary Banks

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.18)

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-Article 7

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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-Topic 805

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-Section 25

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-Glossary Acquisition Date

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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-Subparagraph (SX 210.9-03.12)

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Business Combination (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended	0 Months Ended
	Mar. 26, 2015	Mar. 31, 2015	Jul. 31, 2014	Dec. 31, 2014
Business Acquisition [Line Items]
Assets		$ 8,528,542us-gaap_Assets		$ 8,609,936us-gaap_Assets
Loans and Leases Receivable, Net Amount		4,851,970		4,823,243
Deposits		6,968,159us-gaap_Deposits		7,006,212us-gaap_Deposits
United Bank [Member]
Business Acquisition [Line Items]
Business Acquisition, Date of Acquisition Agreement	Mar. 26, 2015
Estimate of Payments to Acquire Businesses, Gross		7,234
Number of Communities Adjacent to Existing Market Areas		3
Assets		74,000
Loans and Leases Receivable, Net Amount		37,000
Deposits		64,000
Number of Subsidiary Banks		1
Mountain West Bank
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition			Jul. 31, 2014
Goodwill, Purchase Accounting Adjustments		$ 1,199