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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013
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Assets |  |  |
Securities to be held to maturity | $ 195,550 | $ 158,336 | $ 174,790
Shareholders' equity |  |  |
Common stock, par value per share (usd per share) | $ 0.01 | $ 0.01 | $ 0.01

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