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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Oct. 07, 2011 | Dec. 31, 2010
--- | --- | --- | --- | --- | ---
Allowance for credit losses | $ 2,423 | $ 2,256 |  |  |
Amounts pledged | 586,625 | 569,995 |  |  |
Net accumulated depreciation | $ 97,118 | $ 89,027 |  |  |
Class A Stock [Member] |  |  |  |  |
Common stock, shares issued | 13,377,967 | 13,508,318 |  | 13,572,265 |
Common stock, shares outstanding | 13,377,967 | 13,508,318 | 13,572,265 | 13,572,265 | 13,268,522
Class B Stock [Member] |  |  |  |  |
Common stock, shares issued | 99,680 | 99,680 |  |  |
Common stock, shares outstanding | 99,680 | 99,680 |  |  |

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