Reduction in core deposit intangibles due to Kansas branch sales

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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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The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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

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Amount of loss from the write-down 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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Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended			24 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013
Goodwill impairment	$ 0us-gaap_GoodwillImpairmentLoss	$ 0us-gaap_GoodwillImpairmentLoss	$ 0us-gaap_GoodwillImpairmentLoss
Goodwill	1,214,000us-gaap_Goodwill	1,214,000us-gaap_Goodwill		1,214,000us-gaap_Goodwill
Weighted average amortization period for Core Deposit Intangibles	10 years
Reduction In Core Deposit Intangibles Due To Branch Sales	1,100,000
Oklahoma Banking [Member]
Goodwill	200,000
Texas Banking [Member]
Goodwill	1,000,000
Core Deposits [Member]
Amortization	400,000			500,000
Servicing Contracts [Member]
Amortization	$ 400,000	$ 800,000