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Employee Benefit 401(k) Plans And Deferred Retirement Compensation Agreements (Details) (USD $)
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3 Months Ended |
9 Months Ended |
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Minimum employee subscription rate, percentage of compensation |
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1.00% |
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| Maximum employee subscription rate, percentage of compensation |
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60.00% |
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| Employee pre-tax contributions vested percentage |
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100.00% |
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| Vesting rate |
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20.00% |
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| Percentage vested after total service period |
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100.00% |
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| Employees' vesting rights |
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Participants are always 100 percent vested in their pre-tax contributions and will begin vesting in any matching or profit sharing contributions made on their behalf after two years of service with the Company at a rate of 20 percent per year, becoming 100 percent vested after a total of six years of service with the Company. |
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| Expenses for employee benefit plan |
$ 24,000 |
$ 0 |
$ 91,000 |
$ 0 |
| Shares granted |
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68,139 |
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| Period upon which stock units become payable following a triggering event |
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30 days |
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Minimum [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Employer contribution vesting period |
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2 years |
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Maximum [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Employer contribution vesting period |
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6 years |
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Messr Hersh [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Amount of annual employer contribution to deferred retirement compensation |
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500,000 |
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Messr Lefkowitz [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Amount of annual employer contribution to deferred retirement compensation |
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160,000 |
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Messr Thomas [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Amount of annual employer contribution to deferred retirement compensation |
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$ 100,000 |
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Deferred Retirement Compensation Units [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Shares granted |
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25,333 |
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