Mergers and Acquisitions Fair Value of Net Assets Acquired (Details) (Wheatland Bankshares [Member], USD $) In Thousands, unless otherwise specified	May 31, 2013
Wheatland Bankshares [Member]
Assets
Cash and cash equivalents	$ 23,148
Investment securities, available-for-sale	75,643
Loans receivable	171,199
Goodwill and core deposit intangible	15,488
Accrued income and other assets	15,063
Total assets	300,541
Liabilities
Deposits	255,197
Federal Home Loan Bank advances	5,467
Accrued expenses and other liabilities	562
Total liabilities	261,226
Purchase price	$ 39,315

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Business acquisition purchase price allocation deposits.

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Business acquisition purchase price allocation Federal Home Loan Bank advances.

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Business acquisition purchase price allocation goodwill and core deposit intangible.

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Business acquisition purchase price allocation loans receivable.

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The amount of acquisition cost of a business combination allocated to assets acquired.

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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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The amount of cash and cash equivalents acquired in a business combination.

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The amount of acquisition cost of a business combination allocated to marketable securities.

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The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used.

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

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Amount of acquisition cost of a business combination allocated to other liabilities not separately disclosed in the balance sheet.

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