Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets:
Held-to-maturity investment securities, estimated fair value	$ 205,926	$ 218,933
Stockholders' Equity:
Nonvoting, noncumulative preferred stock, par value	$ 0	$ 0
Nonvoting, noncumulative preferred stock, shares authorized	100,000	100,000
Nonvoting, noncumulative preferred stock, shares issued	0	5,000
Nonvoting, noncumulative preferred stock, shares outstanding	0	5,000

Fair value of investments in debt securities classified as held-to-maturity.

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

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-Name Accounting Standards Codification

-Topic 320

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Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.

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