Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Investment securities:
Held-to-maturity, fair values	$ 157,639	$ 146,508
Stockholders' equity:
Nonvoting noncumulative preferred stock, without par value
Nonvoting noncumulative preferred stock, authorized shares	100,000	100,000
Nonvoting noncumulative preferred stock, issued shares	5,000	5,000
Nonvoting noncumulative preferred stock, outstanding shares	5,000	5,000

This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

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Issuance value per share of no-par value, nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share.

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