Business acquisition purchase price allocation deposits assumed.

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- Definition

Business acquisition purchase price allocation loans acquired.

+ References

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- Definition

Business acquisition purchase price allocation other real estate.

+ References

No definition available.

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- Definition

Business acquisition purchase price allocation securities acquired.

+ References

No definition available.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

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- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Article 5

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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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-Publisher FASB

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- Definition

Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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Recent Developments Including Mergers and Acquisitions - Additional Information (Detail) (USD $)	0 Months Ended
	Jan. 19, 2012	Dec. 31, 2014	Dec. 31, 2013	Jan. 24, 2014
Business Combination, Separately Recognized Transactions [Line Items]
Goodwill		$ 44,962,000us-gaap_Goodwill	$ 44,545,000us-gaap_Goodwill
Pretax gain on sale of investments	4,500,000us-gaap_GainLossOnInvestments
Gain on sale of investments, Net of tax	2,600,000us-gaap_InvestmentIncomeNet
BancFirst [Member]
Business Combination, Separately Recognized Transactions [Line Items]
Deposits assumed		174,400,000		302,000,000
Loans				121,000,000
Securities				4,800,000
Other real estate				10,000
Intangibles assets, net				2,200,000
Goodwill				417,000
BancFirst [Member] \| Performing [Member]
Business Combination, Separately Recognized Transactions [Line Items]
Loans		$ 74,800,000