Summary Of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013 contracts
Other real estate owned, excluding covered	45.6	$ 50.5
Bank-owned life insurance	121.4us-gaap_BankOwnedLifeInsurance	$ 118.5us-gaap_BankOwnedLifeInsurance
Number of covered call option contracts outstanding	0	0
Land Improvements [Member]
Premises and equipment, useful lives	15 years
Minimum [Member]
Tax benefit realized on settlement, percentage	50.00%
Minimum [Member] \| Furniture, Fixtures and Equipment [Member]
Premises and equipment, useful lives	2 years
Minimum [Member] \| Software and Computer-Related Equipment [Member]
Premises and equipment, useful lives	2 years
Minimum [Member] \| Buildings and Improvements [Member]
Premises and equipment, useful lives	7 years
Maximum [Member]
Finite-lived intangibles, useful life	20 years
Maximum [Member] \| Furniture, Fixtures and Equipment [Member]
Premises and equipment, useful lives	12 years
Maximum [Member] \| Software and Computer-Related Equipment [Member]
Premises and equipment, useful lives	5 years
Maximum [Member] \| Buildings and Improvements [Member]
Premises and equipment, useful lives	39 years

The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 9

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