Mergers And Acquisitions (Details) (USD $) In Thousands, except Share data	Dec. 31, 2010	Dec. 31, 2010 Comm Bancorp Inc [Member]	Jun. 15, 2011 Parkvale Financial Corporation [Member]
Business Acquisition [Line Items]
Assets acquired as a result of merger		$ 625,570	$ 1,800,000
Loans acquired as a result of merger		445,271
Deposits acquired as a result of merger		561,796
Value of acquisition		75,547	130,000
Shares entitled to the shareholders			2.178
Cash paid for acquisition of CBI		17,202
Common stock issued for exchange in merger	5,940,742	1,719,820
Goodwill recorded as a result of merger		38,790
Core deposit intangible recorded as a result of merger		$ 4,785

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Business Acquisition Purchase Price Allocation Deposits Acquired

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Business Acquisition Purchase Price Allocation Loans Receivable Acquired

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Amount of cash paid to acquire the entity.

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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.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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