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Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Retirement Plans [Abstract] |
Aggregate amounts of contributions to the 401(k) and ESOP plans | The aggregate amounts of contributions by the Company to the 401(k) and ESOP plans are shown in the following table:
|  | December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (Dollars in thousands) |
401(k) contributions |  | $ | 1,690 |  |  | $ | 1,534 |  |  | $ | 1,465 |
ESOP contributions |  |  | 1,703 |  |  |  | 1,629 |  |  |  | 1,353 |
Total contributions |  | $ | 3,393 |  |  | $ | 3,163 |  |  | $ | 2,818 |

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- Definition Tabular disclosure of aggregate employer contribution under retirement plan and employee stock ownership plan. + References No definition available. + Details
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